====================================== | [ 12.948490][ T200] softirqs last disabled at (364049): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.948492][ T200] Preemption disabled at: | [ 12.948493][ T200] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.948503][ T200] Tainted: [W]=WARN [ 12.948504][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.948506][ T200] Call Trace: [ 12.948507][ T200] [ 12.948509][ T200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.948515][ T200] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.948517][ T200] __might_resched.cold (kernel/sched/core.c:9234) [ 12.948522][ T200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.948526][ T200] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.948531][ T200] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.948534][ T200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.948541][ T200] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.948544][ T200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.948547][ T200] put_chars (drivers/char/virtio_console.c:1176) [ 12.948551][ T200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.948556][ T200] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.948560][ T200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.948563][ T200] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.948565][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.948567][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.948571][ T200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.948574][ T200] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.948577][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.948582][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.948586][ T200] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.948590][ T200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.948594][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.948597][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.948601][ T200] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.948605][ T200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.948607][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.948612][ T200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.948615][ T200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.948617][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.948619][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 12.948623][ T200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.948625][ T200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.948628][ T200] vprintk_emit (kernel/printk/printk.c:2479) [ 12.948632][ T200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.948635][ T200] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.948637][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.948641][ T200] dev_vprintk_emit (drivers/base/core.c:5000) [ 12.948646][ T200] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 12.948653][ T200] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 12.948660][ T200] dev_printk_emit (drivers/base/core.c:5011) [ 12.948662][ T200] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 12.948670][ T200] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 12.948677][ T200] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 12.948679][ T200] ? netdev_crit (net/core/dev.c:13191) [ 12.948682][ T200] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.948685][ T200] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.948687][ T200] ? kmemdup_noprof (mm/util.c:138 (discriminator 1)) [ 12.948690][ T200] ? ethnl_default_set_doit (net/ethtool/netlink.c:937 (discriminator 7)) [ 12.948692][ T200] ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 12.948694][ T200] ? genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 12.948696][ T200] ? genl_rcv_msg (net/netlink/genetlink.c:1209) [ 12.948698][ T200] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.948700][ T200] ? genl_rcv (net/netlink/genetlink.c:1218) [ 12.948702][ T200] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.948704][ T200] ? __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 12.948707][ T200] ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 12.948710][ T200] virtnet_set_ringparam.cold (drivers/net/virtio_net.c:3530 drivers/net/virtio_net.c:4173) [ 12.948717][ T200] ? virtnet_get_ringparam (drivers/net/virtio_net.c:4138) [ 12.948721][ T200] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 12.948724][ T200] ? virtnet_xdp (drivers/net/virtio_net.c:6004) [ 12.948727][ T200] ethnl_set_rings (net/ethtool/rings.c:303) [ 12.948732][ T200] ? ethnl_set_rings_validate (net/ethtool/rings.c:158) [ 12.948734][ T200] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.948739][ T200] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 12.948741][ T200] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.948745][ T200] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 12.948747][ T200] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.948752][ T200] ethnl_default_set_doit (net/ethtool/netlink.c:948) [ 12.948757][ T200] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 12.948760][ T200] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 12.948763][ T200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.948768][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.948771][ T200] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.948777][ T200] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 12.948781][ T200] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 12.948784][ T200] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.948786][ T200] ? ethnl_notify (./include/net/netdev_lock.h:33) [ 12.948789][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.948798][ T200] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 12.948802][ T200] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.948804][ T200] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 12.948807][ T200] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.948815][ T200] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.948817][ T200] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.948821][ T200] genl_rcv (net/netlink/genetlink.c:1218) [ 12.948823][ T200] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.948828][ T200] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.948834][ T200] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.948838][ T200] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.948842][ T200] ? ___sys_sendmsg (net/socket.c:2771) [ 12.948847][ T200] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 12.948849][ T200] ? __ia32_sys_getpeername (net/socket.c:2235) [ 12.948855][ T200] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1)) [ 12.948865][ T200] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 12.948867][ T200] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.948870][ T200] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.948872][ T200] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 12.948874][ T200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.948876][ T200] ? irq_exit_rcu (kernel/softirq.c:786) [ 12.948878][ T200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.948881][ T200] RIP: 0033:0x7f907882054e [ 12.948885][ T200] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 12.948887][ T200] RSP: 002b:00007ffcdc940f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 12.948889][ T200] RAX: ffffffffffffffda RBX: 00007ffcdc941040 RCX: 00007f907882054e [ 12.948891][ T200] RDX: 0000000000000028 RSI: 00007f9077c69ea0 RDI: 0000000000000006 [ 12.948892][ T200] RBP: 00007ffcdc940f40 R08: 0000000000000000 R09: 0000000000000000 [ 12.948892][ T200] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9077dc7cb0 [ 12.948893][ T200] R13: 00007ffcdc941040 R14: 00007f90782be140 R15: 00007ffcdc9413a8 | [ 27.756012][ T200] softirqs last disabled at (701501): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 27.756014][ T200] Preemption disabled at: | [ 27.756015][ T200] 0x0 | [ 27.756025][ T200] Tainted: [W]=WARN [ 27.756026][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.756028][ T200] Call Trace: [ 27.756029][ T200] [ 27.756031][ T200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.756037][ T200] __might_resched.cold (kernel/sched/core.c:9234) [ 27.756042][ T200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.756046][ T200] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.756051][ T200] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 27.756053][ T200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.756060][ T200] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 27.756063][ T200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.756066][ T200] put_chars (drivers/char/virtio_console.c:1176) [ 27.756070][ T200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.756071][ T200] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 27.756075][ T200] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.756078][ T200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.756082][ T200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.756086][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.756087][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.756091][ T200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.756095][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.756098][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.756102][ T200] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.756106][ T200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.756110][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.756112][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.756116][ T200] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.756120][ T200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.756122][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.756127][ T200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.756130][ T200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.756132][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.756134][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 27.756138][ T200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.756139][ T200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.756143][ T200] vprintk_emit (kernel/printk/printk.c:2479) [ 27.756147][ T200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.756150][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.756154][ T200] _printk (kernel/printk/printk.c:2504) [ 27.756157][ T200] ? snapshot_read.cold (user.c:?) [ 27.756160][ T200] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 27.756162][ T200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.756166][ T200] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 27.756168][ T200] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 27.756172][ T200] ? exit_notify (kernel/exit.c:780) [ 27.756174][ T200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.756176][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.756180][ T200] do_group_exit (kernel/exit.c:1151) [ 27.756183][ T200] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 27.756185][ T200] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 27.756187][ T200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.756191][ T200] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.756194][ T200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.756196][ T200] RIP: 0033:0x7f90788711b8 [ 27.756199][ T200] Code: Unable to access opcode bytes at 0x7f907887118e. Code starting with the faulting instruction =========================================== [ 27.756200][ T200] RSP: 002b:00007ffcdc941db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.756202][ T200] RAX: ffffffffffffffda RBX: 00007f90789a1f88 RCX: 00007f90788711b8 [ 27.756204][ T200] RDX: 00007f9078699708 RSI: ffffffffffffff90 RDI: 0000000000000001 [ 27.756205][ T200] RBP: 00007ffcdc941e10 R08: 0000000000000000 R09: 0000000000000001 [ 27.756205][ T200] R10: 00007f9078d5b3f5 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print