======================================
| [ 31.587541][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
| [ 31.587748][ C2]
| [ 31.587947][ C2]
| [ 31.587947][ C2] stack backtrace:
[ 31.588435][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 31.588887][ C2] Call Trace:
[ 31.589016][ C2]
[ 31.589097][ C2] dump_stack_lvl (lib/dump_stack.c:117)
[ 31.589256][ C2] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024)
[ 31.589551][ C2] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[ 31.589711][ C2] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024)
[ 31.589916][ C2] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264)
[ 31.590108][ C2] ? __pfx_usage_match (kernel/locking/lockdep.c:2256)
[ 31.590393][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 31.590564][ C2] mark_lock_irq (kernel/locking/lockdep.c:4244)
[ 31.590720][ C2] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207)
[ 31.590878][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114)
[ 31.591038][ C2] ? save_trace (kernel/locking/lockdep.c:586)
[ 31.591293][ C2] mark_lock (kernel/locking/lockdep.c:4678)
[ 31.591410][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114)
[ 31.591567][ C2] mark_usage (kernel/locking/lockdep.c:4567)
[ 31.591689][ C2] __lock_acquire (kernel/locking/lockdep.c:5091)
[ 31.591947][ C2] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825)
[ 31.592111][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016)
[ 31.592267][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 31.592421][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023)
[ 31.592578][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 31.592833][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 31.592996][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023)
[ 31.593159][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 31.593322][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023)
[ 31.593576][ C2] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300)
[ 31.593731][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023)
[ 31.593885][ C2] addrconf_rs_timer (net/ipv6/addrconf.c:4023)
[ 31.594039][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 31.594297][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016)
[ 31.594453][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783)
[ 31.594616][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 31.594772][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783)
[ 31.594929][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016)
[ 31.595081][ C2] call_timer_fn (kernel/time/timer.c:1793)
[ 31.595235][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783)
[ 31.595388][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783)
[ 31.595542][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1770)
[ 31.595895][ C2] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 31.596052][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 31.596209][ C2] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418)
[ 31.596365][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016)
[ 31.596635][ C2] ? __pfx___run_timers (kernel/time/timer.c:2389)
[ 31.596791][ C2] ? __lock_release (kernel/locking/lockdep.c:5430)
[ 31.596962][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:115 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[ 31.597116][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 31.597393][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 31.597571][ C2] ? timer_expire_remote (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2181)
[ 31.597744][ C2] timer_expire_remote (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2181)
[ 31.597934][ C2] tmigr_handle_remote_cpu (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:127 kernel/time/timer_migration.c:925)
[ 31.598090][ C2] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:869)
[ 31.598281][ C2] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 31.598435][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 31.598560][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 31.598717][ C2] tmigr_handle_remote_up (kernel/time/timer_migration.c:1003)
[ 31.598993][ C2] tmigr_handle_remote (kernel/time/timer_migration.c:488 kernel/time/timer_migration.c:1061)
[ 31.599178][ C2] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1026)
[ 31.599333][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 31.599520][ C2] __do_softirq (kernel/softirq.c:554)
[ 31.599778][ C2] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645)
[ 31.599897][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043)
[ 31.600055][ C2]
[ 31.600139][ C2]
[ 31.600219][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702)
[ 31.600537][ C2] RIP: 0010:kasan_report (./arch/x86/include/asm/current.h:49 mm/kasan/report.c:93 mm/kasan/report.c:585)
[ 31.600715][ C2] Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca <65> 4c 8b 3d cf 7b 6b 6f 41 8b 87 a8 14 00 00 85 c0 0f 85 b7 00 00
All code
========
0: 00 90 90 90 90 90 add %dl,-0x6f6f6f70(%rax)
6: 90 nop
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 66 0f 1f 00 nopw (%rax)
15: 41 57 push %r15
17: 41 56 push %r14
19: 41 55 push %r13
1b: 41 54 push %r12
1d: 55 push %rbp
1e: 53 push %rbx
1f: 48 83 ec 70 sub $0x70,%rsp
23: 9c pushf
24: 8f 04 24 pop (%rsp)
27: 0f 01 ca clac
2a:* 65 4c 8b 3d cf 7b 6b mov %gs:0x6f6b7bcf(%rip),%r15 # 0x6f6b7c01 <-- trapping instruction
31: 6f
32: 41 8b 87 a8 14 00 00 mov 0x14a8(%r15),%eax
39: 85 c0 test %eax,%eax
3b: 0f .byte 0xf
3c: 85 .byte 0x85
3d: b7 00 mov $0x0,%bh
...
Code starting with the faulting instruction
===========================================
0: 65 4c 8b 3d cf 7b 6b mov %gs:0x6f6b7bcf(%rip),%r15 # 0x6f6b7bd7
7: 6f
8: 41 8b 87 a8 14 00 00 mov 0x14a8(%r15),%eax
f: 85 c0 test %eax,%eax
11: 0f .byte 0xf
12: 85 .byte 0x85
13: b7 00 mov $0x0,%bh
...
[ 31.601429][ C2] RSP: 0018:ffffc90000d6f7c8 EFLAGS: 00000282
[ 31.601668][ C2] RAX: ffff888007d40000 RBX: ffff888007d3eca0 RCX: ffffffff928ae764
[ 31.601916][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888007d3eca0
[ 31.602149][ C2] RBP: 0000000000002000 R08: 0000000000000001 R09: fffffbfff2b698a9
[ 31.602407][ C2] R10: ffffffff95b4c54f R11: 0000000000002000 R12: 5a5a5a5a5a5a5a5a
[ 31.602659][ C2] R13: 000000000000005a R14: dffffc0000000000 R15: ffff888007d3e000
[ 31.603027][ C2] ? memchr_inv (lib/string.c:856)
[ 31.603187][ C2] ? __pfx___lock_release (kernel/locking/lockdep.c:5406)
[ 31.603347][ C2] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 31.603533][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 31.603750][ C2] memchr_inv (lib/string.c:856)
[ 31.603868][ C2] slab_pad_check.part.0 (mm/slub.c:1281)
[ 31.604042][ C2] free_slab (mm/slub.c:242 mm/slub.c:2423)
[ 31.604162][ C2] qlist_free_all (mm/kasan/quarantine.c:174)
[ 31.604318][ C2] ? netfs_alloc_request (./include/linux/slab.h:632 (discriminator 4) ./include/linux/slab.h:749 (discriminator 4) fs/netfs/objects.c:29 (discriminator 4))
[ 31.604573][ C2] kasan_quarantine_reduce (./include/linux/srcu.h:285 mm/kasan/quarantine.c:287)
[ 31.604730][ C2] __kasan_slab_alloc (mm/kasan/common.c:322)
[ 31.604885][ C2] __kmalloc (mm/slub.c:3799 mm/slub.c:3845 mm/slub.c:3965 mm/slub.c:3979)
[ 31.605019][ C2] ? down_read_interruptible (kernel/locking/rwsem.c:1249 kernel/locking/rwsem.c:1268 kernel/locking/rwsem.c:1537)
[ 31.605283][ C2] netfs_alloc_request (./include/linux/slab.h:632 (discriminator 4) ./include/linux/slab.h:749 (discriminator 4) fs/netfs/objects.c:29 (discriminator 4))
[ 31.605459][ C2] netfs_unbuffered_read_iter_locked (fs/netfs/direct_read.c:46)
[ 31.605666][ C2] netfs_unbuffered_read_iter (fs/netfs/direct_read.c:121)
[ 31.605822][ C2] do_iter_readv_writev (./include/linux/fs.h:2102 fs/read_write.c:739)
[ 31.605999][ C2] ? __pfx_do_iter_readv_writev (fs/read_write.c:728)
[ 31.606176][ C2] ? __pfx___lock_release (kernel/locking/lockdep.c:5406)
[ 31.606332][ C2] vfs_iter_read (fs/read_write.c:830)
[ 31.606541][ C2] backing_file_read_iter (fs/backing-file.c:160)
[ 31.606701][ C2] ovl_read_iter (./include/linux/file.h:47 fs/overlayfs/file.c:283)
[ 31.606978][ C2] ? __pfx_ovl_read_iter (fs/overlayfs/file.c:264)
[ 31.607136][ C2] ? __pfx_ovl_file_accessed (fs/overlayfs/file.c:236)
[ 31.607309][ C2] vfs_read (./include/linux/fs.h:2102 fs/read_write.c:395 fs/read_write.c:476)
[ 31.607426][ C2] ? kmem_cache_free (mm/slub.c:4280 mm/slub.c:4344)
[ 31.607712][ C2] ? __pfx_vfs_read (fs/read_write.c:457)
[ 31.607868][ C2] ? __pfx_do_sys_openat2 (fs/open.c:1392)
[ 31.608029][ C2] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145)
[ 31.608185][ C2] __x64_sys_pread64 (fs/read_write.c:671 fs/read_write.c:681 fs/read_write.c:678 fs/read_write.c:678)
[ 31.608540][ C2] ? __pfx___x64_sys_pread64 (fs/read_write.c:678)
[ 31.608697][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 31.608877][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
[ 31.609081][ C2] RIP: 0033:0x7fd230cac16e
[ 31.609369][ C2] Code: 00 00 00 00 f7 d8 89 05 90 f0 00 00 48 c7 c0 ff ff ff ff c3 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 49 89 ca b8 11 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 f7 d8 89 05
All code
========
0: 00 00 add %al,(%rax)
2: 00 00 add %al,(%rax)
4: f7 d8 neg %eax
6: 89 05 90 f0 00 00 mov %eax,0xf090(%rip) # 0xf09c
c: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax
13: c3 ret
14: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1)
1b: 00
1c: f3 0f 1e fa endbr64
20: 49 89 ca mov %rcx,%r10
23: b8 11 00 00 00 mov $0x11,%eax
28: 0f 05 syscall
2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction
30: 77 0a ja 0x3c
32: c3 ret
33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1)
3a: 00 00
3c: f7 d8 neg %eax
3e: 89 .byte 0x89
3f: 05 .byte 0x5
Code starting with the faulting instruction
===========================================
0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax
6: 77 0a ja 0x12
8: c3 ret
9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1)
10: 00 00
12: f7 d8 neg %eax
14: 89 .byte 0x89
15: 05 .byte 0x5
[ 31.609962][ C2] RSP: 002b:00007ffc7df47fd8 EFLAGS: 00000202 ORIG_RAX: 0000000000000011
[ 31.610342][ C2] RAX: ffffffffffffffda RBX: 00007ffc7df481c8 RCX: 00007fd230cac16e
[ 31.610588][ C2] RDX: 0000000000000050 RSI: 00007ffc7df47fe0 RDI: 0000000000000005
[ 31.610827][ C2] RBP: 00007ffc7df483c0 R08: 00007ffc7df48040 R09: 0000000000000000
[ 31.611208][ C2] R10: 0000000000000350 R11: 0000000000000202 R12: 00007ffc7df47fe0
Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage