====================================== | [ 14.256955][ T199] softirqs last disabled at (372314): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 14.256957][ T199] Preemption disabled at: | [ 14.256958][ T199] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.256967][ T199] Tainted: [W]=WARN [ 14.256968][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.256970][ T199] Call Trace: [ 14.256972][ T199] [ 14.256973][ T199] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.256980][ T199] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.256982][ T199] __might_resched.cold (kernel/sched/core.c:9234) [ 14.256987][ T199] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.256991][ T199] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.256997][ T199] __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)) [ 14.257000][ T199] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.257006][ T199] ? 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) [ 14.257009][ T199] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.257021][ T199] put_chars (drivers/char/virtio_console.c:1176) [ 14.257024][ T199] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.257029][ T199] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 14.257033][ T199] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.257037][ T199] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.257039][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.257041][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.257045][ T199] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.257047][ T199] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.257051][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.257055][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.257059][ T199] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.257063][ T199] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.257068][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.257070][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.257074][ T199] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.257078][ T199] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.257080][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.257086][ T199] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.257089][ T199] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.257090][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.257093][ T199] ? 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)) [ 14.257097][ T199] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.257098][ T199] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.257102][ T199] vprintk_emit (kernel/printk/printk.c:2479) [ 14.257106][ T199] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.257109][ T199] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.257110][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.257114][ T199] dev_vprintk_emit (drivers/base/core.c:5000) [ 14.257120][ T199] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 14.257124][ T199] ? 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)) [ 14.257130][ T199] dev_printk_emit (drivers/base/core.c:5011) [ 14.257133][ T199] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 14.257141][ T199] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 14.257147][ T199] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 14.257149][ T199] ? netdev_crit (net/core/dev.c:13191) [ 14.257152][ T199] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.257155][ T199] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.257158][ T199] ? kmemdup_noprof (mm/util.c:138 (discriminator 1)) [ 14.257161][ T199] ? ethnl_default_set_doit (net/ethtool/netlink.c:937 (discriminator 7)) [ 14.257163][ T199] ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 14.257165][ T199] ? genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 14.257167][ T199] ? genl_rcv_msg (net/netlink/genetlink.c:1209) [ 14.257169][ T199] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.257171][ T199] ? genl_rcv (net/netlink/genetlink.c:1218) [ 14.257172][ T199] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.257175][ T199] ? __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 14.257177][ T199] ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 14.257180][ T199] virtnet_set_ringparam.cold (drivers/net/virtio_net.c:3530 drivers/net/virtio_net.c:4173) [ 14.257187][ T199] ? virtnet_get_ringparam (drivers/net/virtio_net.c:4138) [ 14.257192][ T199] ? 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) [ 14.257195][ T199] ? virtnet_xdp (drivers/net/virtio_net.c:6004) [ 14.257197][ T199] ethnl_set_rings (net/ethtool/rings.c:303) [ 14.257203][ T199] ? ethnl_set_rings_validate (net/ethtool/rings.c:158) [ 14.257204][ T199] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.257210][ T199] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 14.257211][ T199] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.257215][ T199] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 14.257217][ T199] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 14.257222][ T199] ethnl_default_set_doit (net/ethtool/netlink.c:948) [ 14.257227][ T199] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 14.257231][ T199] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 14.257233][ T199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.257238][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.257241][ T199] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.257247][ T199] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 14.257251][ T199] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 14.257254][ T199] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.257256][ T199] ? ethnl_notify (./include/net/netdev_lock.h:33) [ 14.257259][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.257265][ T199] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 14.257268][ T199] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.257270][ T199] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 14.257274][ T199] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.257281][ T199] ? 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)) [ 14.257283][ T199] ? 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)) [ 14.257287][ T199] genl_rcv (net/netlink/genetlink.c:1218) [ 14.257289][ T199] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.257294][ T199] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.257299][ T199] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.257304][ T199] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.257308][ T199] ? ___sys_sendmsg (net/socket.c:2771) [ 14.257311][ T199] ? mksaveddirty_shift (./arch/x86/include/asm/pgtable.h:373) [ 14.257316][ T199] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 14.257318][ T199] ? __ia32_sys_getpeername (net/socket.c:2235) [ 14.257332][ T199] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 14.257334][ T199] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.257337][ T199] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.257339][ T199] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 14.257341][ T199] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.257343][ T199] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.257346][ T199] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.257348][ T199] RIP: 0033:0x7fcd4b94654e [ 14.257353][ T199] 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 [ 14.257358][ T199] RSP: 002b:00007ffcaeea4000 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 14.257361][ T199] RAX: ffffffffffffffda RBX: 00007ffcaeea4110 RCX: 00007fcd4b94654e [ 14.257362][ T199] RDX: 0000000000000028 RSI: 00007fcd4ad85e50 RDI: 0000000000000006 [ 14.257363][ T199] RBP: 00007ffcaeea4010 R08: 0000000000000000 R09: 0000000000000000 [ 14.257364][ T199] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcd4aeefcb0 [ 14.257365][ T199] R13: 00007ffcaeea4110 R14: 00007fcd4b3e4140 R15: 00007ffcaeea4478 | [ 29.524314][ T199] softirqs last disabled at (730383): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 29.524317][ T199] Preemption disabled at: | [ 29.524318][ T199] 0x0 | [ 29.524332][ T199] Tainted: [W]=WARN [ 29.524333][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.524335][ T199] Call Trace: [ 29.524337][ T199] [ 29.524339][ T199] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.524348][ T199] __might_resched.cold (kernel/sched/core.c:9234) [ 29.524357][ T199] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.524363][ T199] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.524370][ T199] __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)) [ 29.524374][ T199] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.524384][ T199] ? 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) [ 29.524387][ T199] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.524393][ T199] put_chars (drivers/char/virtio_console.c:1176) [ 29.524398][ T199] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.524401][ T199] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 29.524407][ T199] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.524411][ T199] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.524418][ T199] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.524423][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.524426][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.524433][ T199] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.524439][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.524444][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.524451][ T199] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.524457][ T199] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.524465][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.524469][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.524475][ T199] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.524482][ T199] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.524485][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.524494][ T199] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.524499][ T199] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.524501][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.524505][ T199] ? 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)) [ 29.524511][ T199] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.524514][ T199] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.524520][ T199] vprintk_emit (kernel/printk/printk.c:2479) [ 29.524526][ T199] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.524531][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.524538][ T199] _printk (kernel/printk/printk.c:2504) [ 29.524543][ T199] ? snapshot_read.cold (user.c:?) [ 29.524547][ T199] ? 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) [ 29.524551][ T199] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.524558][ T199] ? 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) [ 29.524562][ T199] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 29.524568][ T199] ? exit_notify (kernel/exit.c:780) [ 29.524570][ T199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.524574][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.524581][ T199] do_group_exit (kernel/exit.c:1151) [ 29.524586][ T199] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 29.524589][ T199] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 29.524592][ T199] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.524597][ T199] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.524602][ T199] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.524605][ T199] RIP: 0033:0x7fcd4b9971b8 [ 29.524608][ T199] Code: Unable to access opcode bytes at 0x7fcd4b99718e. Code starting with the faulting instruction =========================================== [ 29.524610][ T199] RSP: 002b:00007ffcaeea4e88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 29.524613][ T199] RAX: ffffffffffffffda RBX: 00007fcd4bac7f88 RCX: 00007fcd4b9971b8 [ 29.524615][ T199] RDX: 00007fcd4b7bf708 RSI: ffffffffffffff90 RDI: 0000000000000001 [ 29.524617][ T199] RBP: 00007ffcaeea4ee0 R08: 0000000000000000 R09: 0000000000000001 [ 29.524618][ T199] R10: 00007fcd4be813f5 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print