======================================
| [ 35.807141][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
| [ 35.807339][ C1]
| [ 35.807420][ C1]
| [ 35.807420][ C1] stack backtrace:
[ 35.807983][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 35.808451][ C1] Call Trace:
[ 35.808577][ C1]
[ 35.808661][ C1] dump_stack_lvl (lib/dump_stack.c:117)
[ 35.808833][ C1] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024)
[ 35.809058][ C1] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[ 35.809434][ C1] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024)
[ 35.809693][ C1] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264)
[ 35.809856][ C1] ? __pfx_usage_match (kernel/locking/lockdep.c:2256)
[ 35.810019][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 35.810286][ C1] mark_lock_irq (kernel/locking/lockdep.c:4244)
[ 35.810449][ C1] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207)
[ 35.810610][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114)
[ 35.810775][ C1] ? save_trace (kernel/locking/lockdep.c:586)
[ 35.811051][ C1] mark_lock (kernel/locking/lockdep.c:4678)
[ 35.811181][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114)
[ 35.811344][ C1] mark_usage (kernel/locking/lockdep.c:4567)
[ 35.811468][ C1] __lock_acquire (kernel/locking/lockdep.c:5091)
[ 35.811632][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825)
[ 35.811798][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016)
[ 35.811960][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 35.812122][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023)
[ 35.812289][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 35.812458][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 35.812622][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023)
[ 35.812788][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 35.812955][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023)
[ 35.813232][ C1] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300)
[ 35.813508][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023)
[ 35.813673][ C1] addrconf_rs_timer (net/ipv6/addrconf.c:4023)
[ 35.813840][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 35.814007][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016)
[ 35.814282][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783)
[ 35.814444][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 35.814614][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783)
[ 35.814776][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016)
[ 35.815078][ C1] call_timer_fn (kernel/time/timer.c:1793)
[ 35.815249][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783)
[ 35.815412][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783)
[ 35.815575][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1770)
[ 35.815760][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 35.815888][ C1] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418)
[ 35.816050][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016)
[ 35.816213][ C1] ? __pfx___run_timers (kernel/time/timer.c:2389)
[ 35.816387][ C1] ? __lock_release (kernel/locking/lockdep.c:5430)
[ 35.816552][ C1] ? 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)
[ 35.816718][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 35.816880][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 35.817047][ C1] ? timer_expire_remote (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2181)
[ 35.817354][ C1] timer_expire_remote (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2181)
[ 35.817517][ C1] 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)
[ 35.817679][ C1] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:869)
[ 35.817889][ C1] tmigr_handle_remote_up (kernel/time/timer_migration.c:1003)
[ 35.818161][ C1] tmigr_handle_remote (kernel/time/timer_migration.c:488 kernel/time/timer_migration.c:1061)
[ 35.818325][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1026)
[ 35.818498][ C1] __do_softirq (kernel/softirq.c:554)
[ 35.818664][ C1] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645)
[ 35.818903][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043)
[ 35.819065][ C1]
[ 35.819152][ C1]
[ 35.819241][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702)
[ 35.819444][ C1] RIP: 0010:kasan_report (mm/kasan/report.c:609)
[ 35.819632][ C1] Code: 24 28 4c 89 6c 24 30 e8 5d f5 ff ff 48 8d 7c 24 10 e8 73 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 e3 fc ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
All code
========
0: 24 28 and $0x28,%al
2: 4c 89 6c 24 30 mov %r13,0x30(%rsp)
7: e8 5d f5 ff ff call 0xfffffffffffff569
c: 48 8d 7c 24 10 lea 0x10(%rsp),%rdi
11: e8 73 fa ff ff call 0xfffffffffffffa89
16: 0f b6 d3 movzbl %bl,%edx
19: 48 89 ee mov %rbp,%rsi
1c: 48 8d 7c 24 08 lea 0x8(%rsp),%rdi
21: e8 e3 fc ff ff call 0xfffffffffffffd09
26: ff 34 24 push (%rsp)
29: 9d popf
2a:* 48 83 c4 70 add $0x70,%rsp <-- trapping instruction
2e: 44 89 e0 mov %r12d,%eax
31: 5b pop %rbx
32: 5d pop %rbp
33: 41 5c pop %r12
35: 41 5d pop %r13
37: 41 5e pop %r14
39: 41 5f pop %r15
3b: c3 ret
3c: cc int3
3d: cc int3
3e: cc int3
3f: cc int3
Code starting with the faulting instruction
===========================================
0: 48 83 c4 70 add $0x70,%rsp
4: 44 89 e0 mov %r12d,%eax
7: 5b pop %rbx
8: 5d pop %rbp
9: 41 5c pop %r12
b: 41 5d pop %r13
d: 41 5e pop %r14
f: 41 5f pop %r15
11: c3 ret
12: cc int3
13: cc int3
14: cc int3
15: cc int3
[ 35.820211][ C1] RSP: 0018:ffffc9000069f208 EFLAGS: 00000282
[ 35.820424][ C1] RAX: 00000000ffffffff RBX: ffff888007c5c9b8 RCX: ffffffff8963c764
[ 35.820675][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888007c5c9b8
[ 35.820916][ C1] RBP: 0000000000001f98 R08: ffff888007c5c064 R09: 000000000000005a
[ 35.821279][ C1] R10: 0000000000000008 R11: 0000000000002000 R12: 0000000000000000
[ 35.821522][ C1] R13: 000000000000005a R14: dffffc0000000000 R15: ffff888005c7c5c0
[ 35.821764][ C1] ? memchr_inv (lib/string.c:856)
[ 35.822056][ C1] ? __alloc_pages (mm/page_alloc.c:4541)
[ 35.822217][ C1] memchr_inv (lib/string.c:856)
[ 35.822338][ C1] check_bytes_and_report (mm/slub.c:1175)
[ 35.822501][ C1] check_object (mm/slub.c:853 mm/slub.c:1353)
[ 35.822666][ C1] alloc_debug_processing (mm/slub.c:1544 mm/slub.c:1554)
[ 35.822827][ C1] ___slab_alloc (mm/slub.c:2537 mm/slub.c:3536)
[ 35.822988][ C1] ? fs_reclaim_acquire (mm/page_alloc.c:3715 mm/page_alloc.c:3706)
[ 35.823153][ C1] ? p9_fcall_init (net/9p/client.c:232)
[ 35.823317][ C1] ? p9_fcall_init (net/9p/client.c:232)
[ 35.823476][ C1] ? __kmalloc (mm/slub.c:3610 mm/slub.c:3663 mm/slub.c:3835 mm/slub.c:3965 mm/slub.c:3979)
[ 35.823639][ C1] __kmalloc (mm/slub.c:3610 mm/slub.c:3663 mm/slub.c:3835 mm/slub.c:3965 mm/slub.c:3979)
[ 35.823763][ C1] p9_fcall_init (net/9p/client.c:232)
[ 35.823926][ C1] p9_tag_alloc (net/9p/client.c:297)
[ 35.824202][ C1] ? __pfx_p9_tag_alloc (net/9p/client.c:277)
[ 35.824363][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 35.824485][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 35.824647][ C1] p9_client_prepare_req (net/9p/client.c:641)
[ 35.824807][ C1] ? __pfx_p9_client_prepare_req (net/9p/client.c:625)
[ 35.825005][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 35.825166][ C1] p9_client_rpc (net/9p/client.c:688 (discriminator 4))
[ 35.825326][ C1] ? 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)
[ 35.825494][ C1] ? __pfx_p9_client_rpc (net/9p/client.c:672)
[ 35.825768][ C1] ? v9fs_fid_find (fs/9p/fid.c:114)
[ 35.825931][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 35.826093][ C1] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:94 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[ 35.826262][ C1] ? __pfx_v9fs_fid_find (fs/9p/fid.c:114)
[ 35.826534][ C1] ? __pfx_make_vfsgid (fs/mnt_idmapping.c:110)
[ 35.826694][ C1] ? v9fs_fid_add (fs/9p/fid.c:41)
[ 35.826857][ C1] p9_client_readlink (net/9p/client.c:2238)
[ 35.827027][ C1] v9fs_vfs_get_link_dotl (fs/9p/vfs_inode_dotl.c:822 fs/9p/vfs_inode_dotl.c:806)
[ 35.827300][ C1] ? __pfx_v9fs_vfs_get_link_dotl (fs/9p/vfs_inode_dotl.c:809)
[ 35.827505][ C1] ? __lookup_slow (fs/namei.c:1692)
[ 35.827672][ C1] pick_link (fs/namei.c:1808)
[ 35.827793][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 35.828059][ C1] step_into (fs/namei.c:1874)
[ 35.828181][ C1] ? __up_read (./arch/x86/include/asm/atomic64_64.h:79 ./include/linux/atomic/atomic-arch-fallback.h:2749 ./include/linux/atomic/atomic-long.h:184 ./include/linux/atomic/atomic-instrumented.h:3317 kernel/locking/rwsem.c:1347)
[ 35.828346][ C1] ? __pfx_step_into (fs/namei.c:1839)
[ 35.828512][ C1] ? walk_component (fs/namei.c:2005)
[ 35.828674][ C1] link_path_walk.part.0.constprop.0 (fs/namei.c:2331)
[ 35.828983][ C1] ? __pfx_link_path_walk.part.0.constprop.0 (fs/namei.c:2249)
[ 35.829189][ C1] path_openat (fs/namei.c:3795)
[ 35.829349][ C1] ? __pfx_path_openat (fs/namei.c:3781)
[ 35.829573][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 35.829851][ C1] do_filp_open (fs/namei.c:3826)
[ 35.830020][ C1] ? __pfx_do_filp_open (fs/namei.c:3820)
[ 35.830184][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 35.830347][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 35.830623][ C1] ? alloc_fd (fs/file.c:555 (discriminator 10))
[ 35.830746][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 35.830915][ C1] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:94 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[ 35.831074][ C1] ? alloc_fd (fs/file.c:555 (discriminator 10))
[ 35.831197][ C1] do_sys_openat2 (fs/open.c:1406)
[ 35.831469][ C1] ? vfs_fstatat (fs/stat.c:308)
[ 35.831637][ C1] ? __pfx_do_sys_openat2 (fs/open.c:1392)
[ 35.831796][ C1] ? __pfx___do_sys_newfstatat (fs/stat.c:464)
[ 35.831963][ C1] __x64_sys_openat (fs/open.c:1432)
[ 35.832236][ C1] ? __pfx___x64_sys_openat (fs/open.c:1432)
[ 35.832403][ C1] ? __pfx_do_faccessat (fs/open.c:465)
[ 35.832564][ C1] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 35.832739][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
[ 35.833069][ C1] RIP: 0033:0x7f2c60bf50e8
[ 35.833235][ C1] Code: f9 41 89 f0 41 83 e2 40 75 30 89 f0 25 00 00 41 00 3d 00 00 41 00 74 22 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 30 c3 0f 1f 80 00 00 00 00 48 8d 44 24 08 c7
All code
========
0: f9 stc
1: 41 89 f0 mov %esi,%r8d
4: 41 83 e2 40 and $0x40,%r10d
8: 75 30 jne 0x3a
a: 89 f0 mov %esi,%eax
c: 25 00 00 41 00 and $0x410000,%eax
11: 3d 00 00 41 00 cmp $0x410000,%eax
16: 74 22 je 0x3a
18: 44 89 c2 mov %r8d,%edx
1b: 4c 89 ce mov %r9,%rsi
1e: bf 9c ff ff ff mov $0xffffff9c,%edi
23: b8 01 01 00 00 mov $0x101,%eax
28: 0f 05 syscall
2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction
30: 77 30 ja 0x62
32: c3 ret
33: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
3a: 48 8d 44 24 08 lea 0x8(%rsp),%rax
3f: c7 .byte 0xc7
Code starting with the faulting instruction
===========================================
0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax
6: 77 30 ja 0x38
8: c3 ret
9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
10: 48 8d 44 24 08 lea 0x8(%rsp),%rax
15: c7 .byte 0xc7
[ 35.833824][ C1] RSP: 002b:00007ffed0468d58 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
[ 35.834107][ C1] RAX: ffffffffffffffda RBX: 00007ffed0468fef RCX: 00007f2c60bf50e8
[ 35.834352][ C1] RDX: 0000000000080000 RSI: 00007ffed0468dd0 RDI: 00000000ffffff9c
[ 35.834702][ C1] RBP: 00007ffed0468dc0 R08: 0000000000080000 R09: 00007ffed0468dd0
[ 35.834949][ C1] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffed0468dd7
Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage