====================================== | [ 10.807786][ T181] softirqs last disabled at (45619): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 10.807788][ T181] Preemption disabled at: | [ 10.807789][ T181] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.807799][ T181] Tainted: [W]=WARN [ 10.807800][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.807801][ T181] Call Trace: [ 10.807803][ T181] [ 10.807804][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.807810][ T181] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.807812][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 10.807817][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.807821][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.807827][ T181] __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)) [ 10.807830][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.807836][ T181] ? 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) [ 10.807839][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.807843][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 10.807846][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.807850][ T181] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.807856][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.807859][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.807864][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.807868][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.807874][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.807878][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.807883][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.807884][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.807889][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.807893][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.807895][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.807901][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.807904][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.807906][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.807908][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.807912][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.807913][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.807916][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 10.807919][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.807921][ T181] ? write_profile (profile.c:?) [ 10.807924][ T181] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.807931][ T181] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.807936][ T181] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.807941][ T181] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.807946][ T181] dev_printk_emit (drivers/base/core.c:5011) [ 10.807949][ T181] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.807953][ T181] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.807959][ T181] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.807964][ T181] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.807967][ T181] ? netdev_notice (net/core/dev.c:13194) [ 10.807970][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.807973][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.807976][ T181] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.807979][ T181] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.807982][ T181] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.807985][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.807987][ T181] ? mark_lock_irq (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:4092 (discriminator 6) kernel/locking/lockdep.c:4174 (discriminator 6) kernel/locking/lockdep.c:4310 (discriminator 6)) [ 10.807989][ T181] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.807992][ T181] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.807996][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.807999][ T181] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.808004][ T181] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.808007][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.808010][ T181] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.808012][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.808014][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.808016][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.808019][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.808024][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.808029][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.808031][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.808034][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.808036][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.808038][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.808039][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.808041][ T181] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.808044][ T181] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 10.808048][ T181] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.808049][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.808052][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.808054][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.808057][ T181] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.808059][ T181] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.808065][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.808069][ T181] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.808076][ T181] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.808080][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.808082][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.808106][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.808108][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.808111][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.808113][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.808115][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.808120][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.808122][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.808124][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.808126][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.808130][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.808133][ T181] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.808137][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.808138][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.808143][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.808145][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.808149][ T181] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.808152][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.808156][ T181] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.808163][ T181] ? 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)) [ 10.808165][ T181] ? 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)) [ 10.808170][ T181] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.808174][ T181] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.808177][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.808182][ T181] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.808186][ T181] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.808190][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.808194][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.808198][ T181] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.808201][ T181] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.808216][ T181] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.808218][ T181] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.808224][ T181] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.808226][ T181] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.808228][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.808230][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.808233][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.808235][ T181] RIP: 0033:0x7fdfe79a354e [ 10.808240][ T181] 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 [ 10.808241][ T181] RSP: 002b:00007ffc16ab3120 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.808244][ T181] RAX: ffffffffffffffda RBX: 00005561ae419400 RCX: 00007fdfe79a354e [ 10.808245][ T181] RDX: 0000000000000030 RSI: 00005561ae3cabe0 RDI: 0000000000000014 [ 10.808246][ T181] RBP: 00007ffc16ab3130 R08: 00007ffc16ab3180 R09: 0000000000000080 [ 10.808247][ T181] R10: 0000000000000000 R11: 0000000000000202 R12: 00005561ae3e37a0 [ 10.808248][ T181] R13: 00007ffc16ab3264 R14: 0000000000000000 R15: 0000000000000000 | [ 15.113301][ T181] softirqs last disabled at (143647): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.113304][ T181] Preemption disabled at: | [ 15.113304][ T181] 0x0 | [ 15.113315][ T181] Tainted: [W]=WARN [ 15.113316][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.113318][ T181] Call Trace: [ 15.113319][ T181] [ 15.113321][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.113328][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 15.113338][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.113343][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.113349][ T181] __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)) [ 15.113352][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.113358][ T181] ? 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) [ 15.113361][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.113365][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 15.113368][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.113370][ T181] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 15.113374][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.113378][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.113383][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.113386][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.113388][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.113392][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.113396][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.113398][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.113403][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.113407][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.113412][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.113414][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.113418][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.113422][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.113425][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.113430][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.113433][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.113435][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.113437][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.113441][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.113443][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.113446][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 15.113449][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.113452][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.113456][ T181] _printk (kernel/printk/printk.c:2504) [ 15.113460][ T181] ? snapshot_read.cold (user.c:?) [ 15.113463][ T181] ? 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) [ 15.113466][ T181] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.113470][ T181] ? 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) [ 15.113473][ T181] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.113477][ T181] ? exit_notify (kernel/exit.c:780) [ 15.113479][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.113482][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.113485][ T181] do_group_exit (kernel/exit.c:1151) [ 15.113488][ T181] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.113491][ T181] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.113493][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.113497][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.113500][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.113502][ T181] RIP: 0033:0x7fdfe79f41b8 [ 15.113505][ T181] Code: Unable to access opcode bytes at 0x7fdfe79f418e. Code starting with the faulting instruction =========================================== [ 15.113506][ T181] RSP: 002b:00007ffc16ab3678 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 15.113508][ T181] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfe79f41b8 [ 15.113510][ T181] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 15.113511][ T181] RBP: 00007ffc16ab3800 R08: 00005561ae3ffef8 R09: 0000000000000000 [ 15.113512][ T181] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print