====================================== | [ 434.200664][ C1] tun0: no available key for peer 4, key-id: 0 | [ 453.414742][ T68] ------------[ cut here ]------------ | [ 453.415007][ T68] WARNING: net/core/gro_cells.c:30 at gro_cells_receive+0x70d/0xaa0, CPU#1: 1/68 | [ 453.415338][ T68] Modules linked in: 8021q sch_netem ovpn udp_tunnel ip6_udp_tunnel [ 453.415926][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 453.416140][ T68] Workqueue: kstrp strp_work [ 453.416324][ T68] RIP: 0010:gro_cells_receive (net/core/gro_cells.c:30 (discriminator 29)) [ 453.416552][ T68] Code: 00 31 ff e8 55 d6 e0 ff bb 01 00 00 00 e9 71 fa ff ff 65 8b 05 54 fb 91 02 f6 c4 ff 74 0b a9 00 00 ff 00 0f 84 3f fc ff ff 90 <0f> 0b 90 e9 36 fc ff ff 48 8d 58 58 48 89 df e8 1f 09 e5 ff 84 c0 All code ======== 0: 00 31 add %dh,(%rcx) 2: ff ljmp (bad) 3: e8 55 d6 e0 ff call 0xffffffffffe0d65d 8: bb 01 00 00 00 mov $0x1,%ebx d: e9 71 fa ff ff jmp 0xfffffffffffffa83 12: 65 8b 05 54 fb 91 02 mov %gs:0x291fb54(%rip),%eax # 0x291fb6d 19: f6 c4 ff test $0xff,%ah 1c: 74 0b je 0x29 1e: a9 00 00 ff 00 test $0xff0000,%eax 23: 0f 84 3f fc ff ff je 0xfffffffffffffc68 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 36 fc ff ff jmp 0xfffffffffffffc68 32: 48 8d 58 58 lea 0x58(%rax),%rbx 36: 48 89 df mov %rbx,%rdi 39: e8 1f 09 e5 ff call 0xffffffffffe5095d 3e: 84 c0 test %al,%al Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 36 fc ff ff jmp 0xfffffffffffffc3e 8: 48 8d 58 58 lea 0x58(%rax),%rbx c: 48 89 df mov %rbx,%rdi f: e8 1f 09 e5 ff call 0xffffffffffe50933 14: 84 c0 test %al,%al [ 453.417141][ T68] RSP: 0018:ffa00000004978d8 EFLAGS: 00010246 [ 453.417353][ T68] RAX: 0000000080000000 RBX: ff1100000eebcac0 RCX: 1ffffffff178b220 [ 453.417584][ T68] RDX: 0000000000000000 RSI: ffffffff8a86b700 RDI: ff11000009dfc0c0 [ 453.418040][ T68] RBP: ff11000009dfc000 R08: 0000000000000001 R09: ffffffff89c88e31 [ 453.418304][ T68] R10: 0000000000000001 R11: 0000000000000001 R12: ff11000009dfcd60 [ 453.418581][ T68] R13: 0000000000000034 R14: 0000000000000058 R15: ff1100000eebcb6c [ 453.418879][ T68] FS: 0000000000000000(0000) GS:ff110000a2ef7000(0000) knlGS:0000000000000000 [ 453.419152][ T68] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 453.419352][ T68] CR2: 00007f5a4e8f2cd4 CR3: 0000000001cd0002 CR4: 0000000000771ef0 [ 453.419704][ T68] PKRU: 55555554 [ 453.419821][ T68] Call Trace: [ 453.419932][ T68] [ 453.420012][ T68] ovpn_decrypt_post (drivers/net/ovpn/io.c:94 (discriminator 1) drivers/net/ovpn/io.c:192 (discriminator 1)) ovpn [ 453.420181][ T68] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:103) ovpn [ 453.420332][ T68] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:103) ovpn [ 453.420512][ T68] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:37) ovpn [ 453.420658][ T68] ? get_page (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/page-flags.h:220 ./include/linux/page-flags.h:288 ./include/linux/mm.h:1784) [ 453.420781][ T68] __strp_recv (net/strparser/strparser.c:303) [ 453.420930][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 2) kernel/rcu/tree.c:4032 (discriminator 2)) [ 453.421125][ T68] __tcp_read_sock (net/ipv4/tcp.c:1695) [ 453.421271][ T68] ? strp_process (net/strparser/strparser.c:332) [ 453.421424][ T68] ? tcp_cleanup_rbuf (net/ipv4/tcp.c:1671) [ 453.421579][ T68] strp_read_sock (net/strparser/strparser.c:364) [ 453.421725][ T68] ? strp_stop (net/strparser/strparser.c:346) [ 453.421836][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536) [ 453.421981][ T68] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) [ 453.422133][ T68] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 453.422278][ T68] strp_work (net/strparser/strparser.c:412 (discriminator 1) net/strparser/strparser.c:421 (discriminator 1)) [ 453.422394][ T68] process_one_work (kernel/workqueue.c:3281) [ 453.422544][ T68] ? pwq_dec_nr_in_flight (kernel/workqueue.c:3177) [ 453.422687][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) [ 453.422844][ T68] worker_thread (kernel/workqueue.c:3353 (discriminator 2) kernel/workqueue.c:3440 (discriminator 2)) [ 453.423003][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.423153][ T68] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1)) [ 453.423300][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.423445][ T68] kthread (kernel/kthread.c:436) [ 453.423554][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.423739][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.423880][ T68] ret_from_fork (arch/x86/kernel/process.c:164) [ 453.424025][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 453.424205][ T68] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 453.424376][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.424589][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:255) | [ 453.425995][ T68] ---[ end trace 0000000000000000 ]--- | [ 453.426169][ T68] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/68 | [ 453.426413][ T68] caller is gro_cells_receive (net/core/gro_cells.c:30 (discriminator 34)) | [ 453.426552][ T68] Tainted: [W]=WARN [ 453.426553][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 453.426554][ T68] Workqueue: kstrp strp_work [ 453.426558][ T68] Call Trace: [ 453.426559][ T68] [ 453.426561][ T68] dump_stack_lvl (lib/dump_stack.c:122) [ 453.426565][ T68] check_preemption_disabled (lib/smp_processor_id.c:47) [ 453.426569][ T68] gro_cells_receive (net/core/gro_cells.c:30 (discriminator 34)) [ 453.426572][ T68] ovpn_decrypt_post (drivers/net/ovpn/io.c:94 (discriminator 1) drivers/net/ovpn/io.c:192 (discriminator 1)) ovpn [ 453.426581][ T68] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:103) ovpn [ 453.426585][ T68] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:103) ovpn [ 453.426590][ T68] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:37) ovpn [ 453.426593][ T68] ? get_page (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/page-flags.h:220 ./include/linux/page-flags.h:288 ./include/linux/mm.h:1784) [ 453.426598][ T68] __strp_recv (net/strparser/strparser.c:303) [ 453.426603][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 2) kernel/rcu/tree.c:4032 (discriminator 2)) [ 453.426608][ T68] __tcp_read_sock (net/ipv4/tcp.c:1695) [ 453.426611][ T68] ? strp_process (net/strparser/strparser.c:332) [ 453.426614][ T68] ? tcp_cleanup_rbuf (net/ipv4/tcp.c:1671) [ 453.426620][ T68] strp_read_sock (net/strparser/strparser.c:364) [ 453.426623][ T68] ? strp_stop (net/strparser/strparser.c:346) [ 453.426625][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536) [ 453.426629][ T68] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) [ 453.426631][ T68] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 453.426634][ T68] strp_work (net/strparser/strparser.c:412 (discriminator 1) net/strparser/strparser.c:421 (discriminator 1)) [ 453.426636][ T68] process_one_work (kernel/workqueue.c:3281) [ 453.426643][ T68] ? pwq_dec_nr_in_flight (kernel/workqueue.c:3177) [ 453.426646][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) [ 453.426653][ T68] worker_thread (kernel/workqueue.c:3353 (discriminator 2) kernel/workqueue.c:3440 (discriminator 2)) [ 453.426657][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.426660][ T68] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1)) [ 453.426664][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.426666][ T68] kthread (kernel/kthread.c:436) [ 453.426668][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.426671][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.426674][ T68] ret_from_fork (arch/x86/kernel/process.c:164) [ 453.426678][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 453.426682][ T68] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 453.426684][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.426688][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:255) | [ 453.439809][ T68] #3: ffffffff8b379a60 (rcu_read_lock){....}-{1:3}, at: gro_cells_receive (./include/linux/rcupdate.h:312 (discriminator 1) ./include/linux/rcupdate.h:850 (discriminator 1) net/core/gro_cells.c:21 (discriminator 1)) | [ 453.439974][ T68] | [ 453.439974][ T68] stack backtrace: | [ 453.440130][ T68] Tainted: [W]=WARN [ 453.440130][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 453.440132][ T68] Workqueue: kstrp strp_work [ 453.440135][ T68] Call Trace: [ 453.440136][ T68] [ 453.440137][ T68] dump_stack_lvl (lib/dump_stack.c:122) [ 453.440140][ T68] print_usage_bug.part.0 (kernel/locking/lockdep.c:4045) [ 453.440143][ T68] mark_lock_irq (kernel/locking/lockdep.c:4268) [ 453.440144][ T68] ? is_bpf_text_address (./include/linux/rcupdate.h:322 (discriminator 1) ./include/linux/rcupdate.h:881 (discriminator 1) kernel/bpf/core.c:750 (discriminator 1)) [ 453.440148][ T68] ? save_trace (kernel/locking/lockdep.c:592) [ 453.440149][ T68] ? is_bpf_text_address (kernel/bpf/core.c:753) [ 453.440151][ T68] mark_lock (kernel/locking/lockdep.c:4753) [ 453.440153][ T68] mark_usage (kernel/locking/lockdep.c:4666 (discriminator 1)) [ 453.440155][ T68] __lock_acquire (kernel/locking/lockdep.c:5191) [ 453.440157][ T68] lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) [ 453.440159][ T68] ? gro_cells_receive (./include/linux/local_lock_internal.h:46 (discriminator 1) net/core/gro_cells.c:30 (discriminator 1)) [ 453.440160][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1)) [ 453.440163][ T68] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 6) kernel/locking/lockdep.c:4411 (discriminator 6)) [ 453.440164][ T68] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33)) [ 453.440166][ T68] gro_cells_receive (./include/linux/local_lock_internal.h:47 net/core/gro_cells.c:30) [ 453.440167][ T68] ? gro_cells_receive (./include/linux/local_lock_internal.h:46 (discriminator 1) net/core/gro_cells.c:30 (discriminator 1)) [ 453.440169][ T68] ovpn_decrypt_post (drivers/net/ovpn/io.c:94 (discriminator 1) drivers/net/ovpn/io.c:192 (discriminator 1)) ovpn [ 453.440174][ T68] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:103) ovpn [ 453.440178][ T68] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:103) ovpn [ 453.440181][ T68] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:37) ovpn [ 453.440183][ T68] ? get_page (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/page-flags.h:220 ./include/linux/page-flags.h:288 ./include/linux/mm.h:1784) [ 453.440186][ T68] __strp_recv (net/strparser/strparser.c:303) [ 453.440188][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 2) kernel/rcu/tree.c:4032 (discriminator 2)) [ 453.440191][ T68] __tcp_read_sock (net/ipv4/tcp.c:1695) [ 453.440193][ T68] ? strp_process (net/strparser/strparser.c:332) [ 453.440195][ T68] ? tcp_cleanup_rbuf (net/ipv4/tcp.c:1671) [ 453.440198][ T68] strp_read_sock (net/strparser/strparser.c:364) [ 453.440200][ T68] ? strp_stop (net/strparser/strparser.c:346) [ 453.440201][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536) [ 453.440203][ T68] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) [ 453.440205][ T68] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 453.440207][ T68] strp_work (net/strparser/strparser.c:412 (discriminator 1) net/strparser/strparser.c:421 (discriminator 1)) [ 453.440209][ T68] process_one_work (kernel/workqueue.c:3281) [ 453.440212][ T68] ? pwq_dec_nr_in_flight (kernel/workqueue.c:3177) [ 453.440214][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) [ 453.440217][ T68] worker_thread (kernel/workqueue.c:3353 (discriminator 2) kernel/workqueue.c:3440 (discriminator 2)) [ 453.440219][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.440221][ T68] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1)) [ 453.440224][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.440226][ T68] kthread (kernel/kthread.c:436) [ 453.440228][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.440230][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.440232][ T68] ret_from_fork (arch/x86/kernel/process.c:164) [ 453.440235][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 453.440237][ T68] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 453.440240][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.440242][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:255) | [ 453.440245][ T68] | [ 453.447688][ T68] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/68 | [ 453.447978][ T68] caller is gro_cells_receive (net/core/gro_cells.c:32 (discriminator 2)) | [ 453.448125][ T68] Tainted: [W]=WARN [ 453.448127][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 453.448128][ T68] Workqueue: kstrp strp_work [ 453.448133][ T68] Call Trace: [ 453.448134][ T68] [ 453.448136][ T68] dump_stack_lvl (lib/dump_stack.c:122) [ 453.448140][ T68] check_preemption_disabled (lib/smp_processor_id.c:47) [ 453.448144][ T68] gro_cells_receive (net/core/gro_cells.c:32 (discriminator 2)) [ 453.448147][ T68] ovpn_decrypt_post (drivers/net/ovpn/io.c:94 (discriminator 1) drivers/net/ovpn/io.c:192 (discriminator 1)) ovpn [ 453.448156][ T68] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:103) ovpn [ 453.448162][ T68] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:103) ovpn [ 453.448167][ T68] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:37) ovpn [ 453.448172][ T68] ? get_page (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/page-flags.h:220 ./include/linux/page-flags.h:288 ./include/linux/mm.h:1784) [ 453.448175][ T68] __strp_recv (net/strparser/strparser.c:303) [ 453.448179][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 2) kernel/rcu/tree.c:4032 (discriminator 2)) [ 453.448184][ T68] __tcp_read_sock (net/ipv4/tcp.c:1695) [ 453.448187][ T68] ? strp_process (net/strparser/strparser.c:332) [ 453.448190][ T68] ? tcp_cleanup_rbuf (net/ipv4/tcp.c:1671) [ 453.448195][ T68] strp_read_sock (net/strparser/strparser.c:364) [ 453.448198][ T68] ? strp_stop (net/strparser/strparser.c:346) [ 453.448200][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536) [ 453.448204][ T68] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) [ 453.448206][ T68] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 453.448209][ T68] strp_work (net/strparser/strparser.c:412 (discriminator 1) net/strparser/strparser.c:421 (discriminator 1)) [ 453.448212][ T68] process_one_work (kernel/workqueue.c:3281) [ 453.448217][ T68] ? pwq_dec_nr_in_flight (kernel/workqueue.c:3177) [ 453.448219][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) [ 453.448224][ T68] worker_thread (kernel/workqueue.c:3353 (discriminator 2) kernel/workqueue.c:3440 (discriminator 2)) [ 453.448228][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.448231][ T68] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1)) [ 453.448234][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.448237][ T68] kthread (kernel/kthread.c:436) [ 453.448241][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.448244][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.448247][ T68] ret_from_fork (arch/x86/kernel/process.c:164) [ 453.448251][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 453.448254][ T68] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 453.448258][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.448261][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:255) | [ 453.448266][ T68] | [ 453.448273][ T68] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/68 | [ 453.454222][ T68] caller is gro_cells_receive (net/core/gro_cells.c:50 (discriminator 1)) | [ 453.454331][ T68] Tainted: [W]=WARN [ 453.454332][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 453.454334][ T68] Workqueue: kstrp strp_work [ 453.454338][ T68] Call Trace: [ 453.454339][ T68] [ 453.454341][ T68] dump_stack_lvl (lib/dump_stack.c:122) [ 453.454344][ T68] check_preemption_disabled (lib/smp_processor_id.c:47) [ 453.454348][ T68] gro_cells_receive (net/core/gro_cells.c:50 (discriminator 1)) [ 453.454349][ T68] ovpn_decrypt_post (drivers/net/ovpn/io.c:94 (discriminator 1) drivers/net/ovpn/io.c:192 (discriminator 1)) ovpn [ 453.454355][ T68] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:103) ovpn [ 453.454359][ T68] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:103) ovpn [ 453.454362][ T68] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:37) ovpn [ 453.454365][ T68] ? get_page (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/page-flags.h:220 ./include/linux/page-flags.h:288 ./include/linux/mm.h:1784) [ 453.454368][ T68] __strp_recv (net/strparser/strparser.c:303) [ 453.454370][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 2) kernel/rcu/tree.c:4032 (discriminator 2)) [ 453.454373][ T68] __tcp_read_sock (net/ipv4/tcp.c:1695) [ 453.454375][ T68] ? strp_process (net/strparser/strparser.c:332) [ 453.454377][ T68] ? tcp_cleanup_rbuf (net/ipv4/tcp.c:1671) [ 453.454380][ T68] strp_read_sock (net/strparser/strparser.c:364) [ 453.454382][ T68] ? strp_stop (net/strparser/strparser.c:346) [ 453.454383][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536) [ 453.454386][ T68] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) [ 453.454388][ T68] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 453.454390][ T68] strp_work (net/strparser/strparser.c:412 (discriminator 1) net/strparser/strparser.c:421 (discriminator 1)) [ 453.454391][ T68] process_one_work (kernel/workqueue.c:3281) [ 453.454396][ T68] ? pwq_dec_nr_in_flight (kernel/workqueue.c:3177) [ 453.454399][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) [ 453.454405][ T68] worker_thread (kernel/workqueue.c:3353 (discriminator 2) kernel/workqueue.c:3440 (discriminator 2)) [ 453.454412][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.454417][ T68] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1)) [ 453.454423][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.454426][ T68] kthread (kernel/kthread.c:436) [ 453.454429][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.454432][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.454435][ T68] ret_from_fork (arch/x86/kernel/process.c:164) [ 453.454439][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 453.454443][ T68] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 453.454449][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.454452][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:255) | [ 453.454457][ T68] | [ 453.454471][ T68] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/68 | [ 453.460922][ T68] caller is ovpn_decrypt_post (./include/linux/netdevice.h:3085 (discriminator 2) drivers/net/ovpn/io.c:97 (discriminator 2) drivers/net/ovpn/io.c:192 (discriminator 2)) ovpn | [ 453.461131][ T68] Tainted: [W]=WARN [ 453.461133][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 453.461134][ T68] Workqueue: kstrp strp_work [ 453.461139][ T68] Call Trace: [ 453.461140][ T68] [ 453.461142][ T68] dump_stack_lvl (lib/dump_stack.c:122) [ 453.461146][ T68] check_preemption_disabled (lib/smp_processor_id.c:47) [ 453.461149][ T68] ovpn_decrypt_post (./include/linux/netdevice.h:3085 (discriminator 2) drivers/net/ovpn/io.c:97 (discriminator 2) drivers/net/ovpn/io.c:192 (discriminator 2)) ovpn [ 453.461157][ T68] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:103) ovpn [ 453.461162][ T68] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:103) ovpn [ 453.461167][ T68] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:37) ovpn [ 453.461171][ T68] ? get_page (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/page-flags.h:220 ./include/linux/page-flags.h:288 ./include/linux/mm.h:1784) [ 453.461179][ T68] __strp_recv (net/strparser/strparser.c:303) [ 453.461184][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 2) kernel/rcu/tree.c:4032 (discriminator 2)) [ 453.461192][ T68] __tcp_read_sock (net/ipv4/tcp.c:1695) [ 453.461196][ T68] ? strp_process (net/strparser/strparser.c:332) [ 453.461199][ T68] ? tcp_cleanup_rbuf (net/ipv4/tcp.c:1671) [ 453.461204][ T68] strp_read_sock (net/strparser/strparser.c:364) [ 453.461207][ T68] ? strp_stop (net/strparser/strparser.c:346) [ 453.461209][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536) [ 453.461216][ T68] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) [ 453.461219][ T68] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 453.461222][ T68] strp_work (net/strparser/strparser.c:412 (discriminator 1) net/strparser/strparser.c:421 (discriminator 1)) [ 453.461225][ T68] process_one_work (kernel/workqueue.c:3281) [ 453.461230][ T68] ? pwq_dec_nr_in_flight (kernel/workqueue.c:3177) [ 453.461233][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) [ 453.461237][ T68] worker_thread (kernel/workqueue.c:3353 (discriminator 2) kernel/workqueue.c:3440 (discriminator 2)) [ 453.461241][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.461243][ T68] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1)) [ 453.461246][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.461249][ T68] kthread (kernel/kthread.c:436) [ 453.461252][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.461255][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.461258][ T68] ret_from_fork (arch/x86/kernel/process.c:164) [ 453.461262][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 453.461265][ T68] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 453.461268][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.461271][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:255) | [ 453.461277][ T68] | [ 453.490445][ T68] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/68 | [ 453.490650][ T68] caller is gro_cells_receive (net/core/gro_cells.c:30 (discriminator 34)) | [ 453.490756][ T68] Tainted: [W]=WARN [ 453.490757][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 453.490759][ T68] Workqueue: kstrp strp_work [ 453.490763][ T68] Call Trace: [ 453.490765][ T68] [ 453.490766][ T68] dump_stack_lvl (lib/dump_stack.c:122) [ 453.490770][ T68] check_preemption_disabled (lib/smp_processor_id.c:47) [ 453.490773][ T68] gro_cells_receive (net/core/gro_cells.c:30 (discriminator 34)) [ 453.490775][ T68] ovpn_decrypt_post (drivers/net/ovpn/io.c:94 (discriminator 1) drivers/net/ovpn/io.c:192 (discriminator 1)) ovpn [ 453.490782][ T68] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:103) ovpn [ 453.490786][ T68] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:103) ovpn [ 453.490789][ T68] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:37) ovpn [ 453.490792][ T68] ? skb_put (net/core/skbuff.c:2643) [ 453.490794][ T68] __strp_recv (net/strparser/strparser.c:303) [ 453.490797][ T68] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33)) [ 453.490800][ T68] __tcp_read_sock (net/ipv4/tcp.c:1695) [ 453.490802][ T68] ? strp_process (net/strparser/strparser.c:332) [ 453.490804][ T68] ? tcp_cleanup_rbuf (net/ipv4/tcp.c:1671) [ 453.490807][ T68] ? __lock_sock (net/core/sock.c:3181) [ 453.490809][ T68] strp_read_sock (net/strparser/strparser.c:364) [ 453.490811][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:114) [ 453.490813][ T68] ? strp_stop (net/strparser/strparser.c:346) [ 453.490815][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.490818][ T68] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 33)) [ 453.490820][ T68] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:79 (discriminator 1)) [ 453.490821][ T68] strp_work (net/strparser/strparser.c:412 (discriminator 1) net/strparser/strparser.c:421 (discriminator 1)) [ 453.490823][ T68] process_one_work (kernel/workqueue.c:3281) [ 453.490827][ T68] ? pwq_dec_nr_in_flight (kernel/workqueue.c:3177) [ 453.490829][ T68] ? io_schedule_timeout (kernel/sched/core.c:6765) [ 453.490831][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) [ 453.490833][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:114) [ 453.490836][ T68] worker_thread (kernel/workqueue.c:3353 (discriminator 2) kernel/workqueue.c:3440 (discriminator 2)) [ 453.490838][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.490840][ T68] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1)) [ 453.490843][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.490845][ T68] kthread (kernel/kthread.c:436) [ 453.490847][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.490848][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.490851][ T68] ret_from_fork (arch/x86/kernel/process.c:164) [ 453.490853][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 453.490856][ T68] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 453.490858][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.490860][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:255) | [ 453.490864][ T68] | [ 453.490865][ T68] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/68 | [ 453.495363][ T68] caller is gro_cells_receive (net/core/gro_cells.c:32 (discriminator 2)) | [ 453.495461][ T68] Tainted: [W]=WARN [ 453.495461][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 453.495462][ T68] Workqueue: kstrp strp_work [ 453.495464][ T68] Call Trace: [ 453.495465][ T68] [ 453.495466][ T68] dump_stack_lvl (lib/dump_stack.c:122) [ 453.495469][ T68] check_preemption_disabled (lib/smp_processor_id.c:47) [ 453.495472][ T68] gro_cells_receive (net/core/gro_cells.c:32 (discriminator 2)) [ 453.495473][ T68] ovpn_decrypt_post (drivers/net/ovpn/io.c:94 (discriminator 1) drivers/net/ovpn/io.c:192 (discriminator 1)) ovpn [ 453.495478][ T68] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:103) ovpn [ 453.495481][ T68] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:103) ovpn [ 453.495484][ T68] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:37) ovpn [ 453.495486][ T68] ? skb_put (net/core/skbuff.c:2643) [ 453.495489][ T68] __strp_recv (net/strparser/strparser.c:303) [ 453.495491][ T68] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33)) [ 453.495494][ T68] __tcp_read_sock (net/ipv4/tcp.c:1695) [ 453.495496][ T68] ? strp_process (net/strparser/strparser.c:332) [ 453.495498][ T68] ? tcp_cleanup_rbuf (net/ipv4/tcp.c:1671) [ 453.495500][ T68] ? __lock_sock (net/core/sock.c:3181) [ 453.495502][ T68] strp_read_sock (net/strparser/strparser.c:364) [ 453.495503][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:114) [ 453.495505][ T68] ? strp_stop (net/strparser/strparser.c:346) [ 453.495507][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.495509][ T68] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 33)) [ 453.495511][ T68] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:79 (discriminator 1)) [ 453.495512][ T68] strp_work (net/strparser/strparser.c:412 (discriminator 1) net/strparser/strparser.c:421 (discriminator 1)) [ 453.495514][ T68] process_one_work (kernel/workqueue.c:3281) [ 453.495518][ T68] ? pwq_dec_nr_in_flight (kernel/workqueue.c:3177) [ 453.495520][ T68] ? io_schedule_timeout (kernel/sched/core.c:6765) [ 453.495521][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) [ 453.495523][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:114) [ 453.495525][ T68] worker_thread (kernel/workqueue.c:3353 (discriminator 2) kernel/workqueue.c:3440 (discriminator 2)) [ 453.495528][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.495530][ T68] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1)) [ 453.495532][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.495534][ T68] kthread (kernel/kthread.c:436) [ 453.495536][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.495537][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.495540][ T68] ret_from_fork (arch/x86/kernel/process.c:164) [ 453.495542][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 453.495544][ T68] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 453.495546][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.495548][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:255) | [ 453.495551][ T68] | [ 453.495555][ T68] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/68 | [ 453.500739][ T68] caller is gro_cells_receive (net/core/gro_cells.c:50 (discriminator 1)) | [ 453.500850][ T68] Tainted: [W]=WARN [ 453.500850][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 453.500851][ T68] Workqueue: kstrp strp_work [ 453.500854][ T68] Call Trace: [ 453.500855][ T68] [ 453.500856][ T68] dump_stack_lvl (lib/dump_stack.c:122) [ 453.500859][ T68] check_preemption_disabled (lib/smp_processor_id.c:47) [ 453.500862][ T68] gro_cells_receive (net/core/gro_cells.c:50 (discriminator 1)) [ 453.500864][ T68] ovpn_decrypt_post (drivers/net/ovpn/io.c:94 (discriminator 1) drivers/net/ovpn/io.c:192 (discriminator 1)) ovpn [ 453.500869][ T68] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:103) ovpn [ 453.500872][ T68] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:103) ovpn [ 453.500875][ T68] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:37) ovpn [ 453.500878][ T68] ? skb_put (net/core/skbuff.c:2643) [ 453.500880][ T68] __strp_recv (net/strparser/strparser.c:303) [ 453.500883][ T68] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33)) [ 453.500885][ T68] __tcp_read_sock (net/ipv4/tcp.c:1695) [ 453.500887][ T68] ? strp_process (net/strparser/strparser.c:332) [ 453.500889][ T68] ? tcp_cleanup_rbuf (net/ipv4/tcp.c:1671) [ 453.500891][ T68] ? __lock_sock (net/core/sock.c:3181) [ 453.500893][ T68] strp_read_sock (net/strparser/strparser.c:364) [ 453.500895][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:114) [ 453.500897][ T68] ? strp_stop (net/strparser/strparser.c:346) [ 453.500899][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.500901][ T68] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 33)) [ 453.500903][ T68] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:79 (discriminator 1)) [ 453.500905][ T68] strp_work (net/strparser/strparser.c:412 (discriminator 1) net/strparser/strparser.c:421 (discriminator 1)) [ 453.500906][ T68] process_one_work (kernel/workqueue.c:3281) [ 453.500910][ T68] ? pwq_dec_nr_in_flight (kernel/workqueue.c:3177) [ 453.500912][ T68] ? io_schedule_timeout (kernel/sched/core.c:6765) [ 453.500913][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) [ 453.500915][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:114) [ 453.500917][ T68] worker_thread (kernel/workqueue.c:3353 (discriminator 2) kernel/workqueue.c:3440 (discriminator 2)) [ 453.500920][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.500922][ T68] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1)) [ 453.500924][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.500926][ T68] kthread (kernel/kthread.c:436) [ 453.500928][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.500930][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.500932][ T68] ret_from_fork (arch/x86/kernel/process.c:164) [ 453.500934][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 453.500937][ T68] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 453.500939][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.500941][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:255) | [ 453.500944][ T68] | [ 453.500952][ T68] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/68 | [ 453.506352][ T68] caller is ovpn_decrypt_post (./include/linux/netdevice.h:3085 (discriminator 2) drivers/net/ovpn/io.c:97 (discriminator 2) drivers/net/ovpn/io.c:192 (discriminator 2)) ovpn | [ 453.506555][ T68] Tainted: [W]=WARN [ 453.506556][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 453.506558][ T68] Workqueue: kstrp strp_work [ 453.506562][ T68] Call Trace: [ 453.506563][ T68] [ 453.506564][ T68] dump_stack_lvl (lib/dump_stack.c:122) [ 453.506568][ T68] check_preemption_disabled (lib/smp_processor_id.c:47) [ 453.506572][ T68] ovpn_decrypt_post (./include/linux/netdevice.h:3085 (discriminator 2) drivers/net/ovpn/io.c:97 (discriminator 2) drivers/net/ovpn/io.c:192 (discriminator 2)) ovpn [ 453.506579][ T68] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:103) ovpn [ 453.506584][ T68] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:103) ovpn [ 453.506590][ T68] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:37) ovpn [ 453.506594][ T68] ? skb_put (net/core/skbuff.c:2643) [ 453.506598][ T68] __strp_recv (net/strparser/strparser.c:303) [ 453.506601][ T68] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33)) [ 453.506605][ T68] __tcp_read_sock (net/ipv4/tcp.c:1695) [ 453.506609][ T68] ? strp_process (net/strparser/strparser.c:332) [ 453.506612][ T68] ? tcp_cleanup_rbuf (net/ipv4/tcp.c:1671) [ 453.506615][ T68] ? __lock_sock (net/core/sock.c:3181) [ 453.506618][ T68] strp_read_sock (net/strparser/strparser.c:364) [ 453.506621][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:114) [ 453.506624][ T68] ? strp_stop (net/strparser/strparser.c:346) [ 453.506627][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.506630][ T68] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 33)) [ 453.506633][ T68] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:79 (discriminator 1)) [ 453.506636][ T68] strp_work (net/strparser/strparser.c:412 (discriminator 1) net/strparser/strparser.c:421 (discriminator 1)) [ 453.506638][ T68] process_one_work (kernel/workqueue.c:3281) [ 453.506643][ T68] ? pwq_dec_nr_in_flight (kernel/workqueue.c:3177) [ 453.506646][ T68] ? io_schedule_timeout (kernel/sched/core.c:6765) [ 453.506649][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) [ 453.506652][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:114) [ 453.506656][ T68] worker_thread (kernel/workqueue.c:3353 (discriminator 2) kernel/workqueue.c:3440 (discriminator 2)) [ 453.506660][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.506663][ T68] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1)) [ 453.506666][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.506669][ T68] kthread (kernel/kthread.c:436) [ 453.506672][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.506674][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.506678][ T68] ret_from_fork (arch/x86/kernel/process.c:164) [ 453.506681][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 453.506685][ T68] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 453.506688][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.506691][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:255) | [ 453.506696][ T68] | [ 453.506787][ T68] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/68 | [ 453.512444][ T68] caller is gro_cells_receive (net/core/gro_cells.c:30 (discriminator 34)) | [ 453.512572][ T68] Tainted: [W]=WARN [ 453.512573][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 453.512575][ T68] Workqueue: kstrp strp_work [ 453.512578][ T68] Call Trace: [ 453.512579][ T68] [ 453.512581][ T68] dump_stack_lvl (lib/dump_stack.c:122) [ 453.512585][ T68] check_preemption_disabled (lib/smp_processor_id.c:47) [ 453.512589][ T68] gro_cells_receive (net/core/gro_cells.c:30 (discriminator 34)) [ 453.512591][ T68] ovpn_decrypt_post (drivers/net/ovpn/io.c:94 (discriminator 1) drivers/net/ovpn/io.c:192 (discriminator 1)) ovpn [ 453.512600][ T68] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:103) ovpn [ 453.512605][ T68] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:103) ovpn [ 453.512610][ T68] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:37) ovpn [ 453.512615][ T68] ? skb_put (net/core/skbuff.c:2643) [ 453.512618][ T68] __strp_recv (net/strparser/strparser.c:303) [ 453.512622][ T68] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33)) [ 453.512626][ T68] __tcp_read_sock (net/ipv4/tcp.c:1695) [ 453.512629][ T68] ? strp_process (net/strparser/strparser.c:332) [ 453.512632][ T68] ? tcp_cleanup_rbuf (net/ipv4/tcp.c:1671) [ 453.512635][ T68] ? __lock_sock (net/core/sock.c:3181) [ 453.512639][ T68] strp_read_sock (net/strparser/strparser.c:364) [ 453.512641][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:114) [ 453.512644][ T68] ? strp_stop (net/strparser/strparser.c:346) [ 453.512647][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.512650][ T68] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 33)) [ 453.512653][ T68] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:79 (discriminator 1)) [ 453.512656][ T68] strp_work (net/strparser/strparser.c:412 (discriminator 1) net/strparser/strparser.c:421 (discriminator 1)) [ 453.512658][ T68] process_one_work (kernel/workqueue.c:3281) [ 453.512663][ T68] ? pwq_dec_nr_in_flight (kernel/workqueue.c:3177) [ 453.512666][ T68] ? io_schedule_timeout (kernel/sched/core.c:6765) [ 453.512668][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) [ 453.512672][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:114) [ 453.512675][ T68] worker_thread (kernel/workqueue.c:3353 (discriminator 2) kernel/workqueue.c:3440 (discriminator 2)) [ 453.512679][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.512682][ T68] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1)) [ 453.512686][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.512688][ T68] kthread (kernel/kthread.c:436) [ 453.512691][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.512694][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.512697][ T68] ret_from_fork (arch/x86/kernel/process.c:164) [ 453.512700][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 453.512704][ T68] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 453.512707][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.512710][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:255) | [ 453.512715][ T68] | [ 453.512717][ T68] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/68 | [ 453.518971][ T68] caller is gro_cells_receive (net/core/gro_cells.c:32 (discriminator 2)) | [ 453.519099][ T68] Tainted: [W]=WARN [ 453.519100][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 453.519102][ T68] Workqueue: kstrp strp_work [ 453.519105][ T68] Call Trace: [ 453.519106][ T68] [ 453.519108][ T68] dump_stack_lvl (lib/dump_stack.c:122) [ 453.519113][ T68] check_preemption_disabled (lib/smp_processor_id.c:47) [ 453.519117][ T68] gro_cells_receive (net/core/gro_cells.c:32 (discriminator 2)) [ 453.519119][ T68] ovpn_decrypt_post (drivers/net/ovpn/io.c:94 (discriminator 1) drivers/net/ovpn/io.c:192 (discriminator 1)) ovpn [ 453.519127][ T68] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:103) ovpn [ 453.519132][ T68] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:103) ovpn [ 453.519137][ T68] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:37) ovpn [ 453.519141][ T68] ? skb_put (net/core/skbuff.c:2643) [ 453.519145][ T68] __strp_recv (net/strparser/strparser.c:303) [ 453.519149][ T68] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33)) [ 453.519152][ T68] __tcp_read_sock (net/ipv4/tcp.c:1695) [ 453.519155][ T68] ? strp_process (net/strparser/strparser.c:332) [ 453.519158][ T68] ? tcp_cleanup_rbuf (net/ipv4/tcp.c:1671) [ 453.519161][ T68] ? __lock_sock (net/core/sock.c:3181) [ 453.519164][ T68] strp_read_sock (net/strparser/strparser.c:364) [ 453.519167][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:114) [ 453.519169][ T68] ? strp_stop (net/strparser/strparser.c:346) [ 453.519172][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.519175][ T68] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 33)) [ 453.519178][ T68] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:79 (discriminator 1)) [ 453.519181][ T68] strp_work (net/strparser/strparser.c:412 (discriminator 1) net/strparser/strparser.c:421 (discriminator 1)) [ 453.519183][ T68] process_one_work (kernel/workqueue.c:3281) [ 453.519188][ T68] ? pwq_dec_nr_in_flight (kernel/workqueue.c:3177) [ 453.519191][ T68] ? io_schedule_timeout (kernel/sched/core.c:6765) [ 453.519193][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) [ 453.519196][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:114) [ 453.519200][ T68] worker_thread (kernel/workqueue.c:3353 (discriminator 2) kernel/workqueue.c:3440 (discriminator 2)) [ 453.519203][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.519206][ T68] ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1)) [ 453.519210][ T68] ? rescuer_thread (kernel/workqueue.c:3386) [ 453.519212][ T68] kthread (kernel/kthread.c:436) [ 453.519215][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33)) [ 453.519218][ T68] ? kthread_affine_node (kernel/kthread.c:381) [ 453.519221][ T68] ret_from_fork (arch/x86/kernel/process.c:164) [ 453.519224][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37) [ 453.519227][ T68] ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665) [ 453.519230][ T68] ? kthread_affine_node (kernel/kthread.c:381) Finger prints: check_preemption_disabled:gro_cells_receive:ovpn_decrypt_post:ovpn_tcp_rcv:__strp_recv check_preemption_disabled:ovpn_decrypt_post:ovpn_tcp_rcv:__strp_recv:__tcp_read_sock mark_lock_irq:mark_lock:mark_usage:__lock_acquire:gro_cells_receive gro_cells_receive:ovpn_decrypt_post:ovpn_tcp_rcv:__strp_recv:__tcp_read_sock