====================================== | [ 47.463569][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 47.463849][ C2] | [ 47.463923][ C2] | [ 47.463923][ C2] stack backtrace: [ 47.464327][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 47.464745][ C2] Call Trace: [ 47.464857][ C2] [ 47.464934][ C2] dump_stack_lvl (lib/dump_stack.c:117) [ 47.465273][ C2] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 47.465458][ C2] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 47.465641][ C2] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 47.465790][ C2] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 47.466029][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 47.466179][ C2] mark_lock_irq (kernel/locking/lockdep.c:4244) [ 47.466327][ C2] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) [ 47.466475][ C2] ? stack_trace_save (kernel/stacktrace.c:123) [ 47.466728][ C2] ? add_chain_cache (kernel/locking/lockdep.c:3730) [ 47.466877][ C2] ? save_trace (kernel/locking/lockdep.c:586) [ 47.467026][ C2] mark_lock (kernel/locking/lockdep.c:4678) [ 47.467137][ C2] mark_usage (kernel/locking/lockdep.c:4567) [ 47.467250][ C2] __lock_acquire (kernel/locking/lockdep.c:5091) [ 47.467499][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 47.467652][ C2] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80) bridge [ 47.467910][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 47.468058][ C2] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge [ 47.468374][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 47.468522][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 47.468670][ C2] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge [ 47.468889][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 47.469126][ C2] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge [ 47.469347][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 47.469499][ C2] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge [ 47.469808][ C2] br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87) bridge [ 47.470030][ C2] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80) bridge [ 47.470284][ C2] call_timer_fn (kernel/time/timer.c:1793) [ 47.470430][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 47.470673][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 47.470820][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) [ 47.470972][ 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) [ 47.471120][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 47.471271][ C2] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) [ 47.471419][ C2] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80) bridge [ 47.471676][ C2] ? __pfx___run_timers (kernel/time/timer.c:2389) [ 47.471826][ 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) [ 47.472077][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 47.472225][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 47.472372][ C2] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) [ 47.472523][ C2] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) [ 47.472763][ C2] __do_softirq (kernel/softirq.c:554) [ 47.472912][ C2] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) [ 47.473024][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 47.473171][ C2] [ 47.473248][ C2] [ 47.473323][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 47.473597][ C2] RIP: 0010:lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 47.473786][ C2] Code: ff 48 83 c4 28 65 0f c1 05 84 34 93 68 83 f8 01 0f 85 b5 01 00 00 9c 58 f6 c4 02 0f 85 be 01 00 00 48 85 ed 0f 85 9b 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 All code ======== 0: ff 48 83 decl -0x7d(%rax) 3: c4 (bad) 4: 28 65 0f sub %ah,0xf(%rbp) 7: c1 05 84 34 93 68 83 roll $0x83,0x68933484(%rip) # 0x68933492 e: f8 clc f: 01 0f add %ecx,(%rdi) 11: 85 b5 01 00 00 9c test %esi,-0x63ffffff(%rbp) 17: 58 pop %rax 18: f6 c4 02 test $0x2,%ah 1b: 0f 85 be 01 00 00 jne 0x1df 21: 48 85 ed test %rbp,%rbp 24: 0f 85 9b 01 00 00 jne 0x1c5 2a:* 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 48 01 c3 add %rax,%rbx 37: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 3e: 48 rex.W 3f: c7 .byte 0xc7 Code starting with the faulting instruction =========================================== 0: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 7: fc ff df a: 48 01 c3 add %rax,%rbx d: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 14: 48 rex.W 15: c7 .byte 0xc7 [ 47.474408][ C2] RSP: 0018:ffffc9000058f618 EFLAGS: 00000206 [ 47.474595][ C2] RAX: 0000000000000046 RBX: 1ffff920000b1ec6 RCX: 0000000000000001 [ 47.474911][ C2] RDX: 1ffff11000b609fd RSI: 0000000000000008 RDI: ffff888005b05062 [ 47.475134][ C2] RBP: 0000000000000200 R08: ffffffff9cf061c8 R09: ffff888005b05040 [ 47.475354][ C2] R10: ffffffff9cf1c537 R11: ffffc9000058f489 R12: ffffffff9b121160 [ 47.475676][ C2] R13: 0000000000092cc0 R14: 00000000000000f0 R15: ffffffff97da73e9 [ 47.475896][ C2] ? __alloc_object (mm/kmemleak.c:466 mm/kmemleak.c:645) [ 47.476049][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 47.476212][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 47.476363][ C2] ? mas_preallocate (lib/maple_tree.c:5557) [ 47.476510][ C2] ? fs_reclaim_acquire (mm/page_alloc.c:3715 mm/page_alloc.c:3706) [ 47.476658][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 47.476808][ C2] ? fs_reclaim_acquire (mm/page_alloc.c:3715 mm/page_alloc.c:3706) [ 47.477139][ C2] ? fs_reclaim_acquire (mm/page_alloc.c:3715 mm/page_alloc.c:3706) [ 47.477287][ C2] ? fs_reclaim_acquire (mm/page_alloc.c:3715 mm/page_alloc.c:3706) [ 47.477434][ C2] fs_reclaim_acquire (mm/page_alloc.c:3716 mm/page_alloc.c:3706) [ 47.477580][ C2] ? fs_reclaim_acquire (mm/page_alloc.c:3715 mm/page_alloc.c:3706) [ 47.477821][ C2] kmem_cache_alloc (./include/linux/sched/mm.h:313 mm/slub.c:3746 mm/slub.c:3827 mm/slub.c:3852) [ 47.477971][ C2] __alloc_object (mm/kmemleak.c:466 mm/kmemleak.c:645) [ 47.478120][ C2] __create_object (mm/kmemleak.c:750) [ 47.478270][ C2] kmem_cache_alloc (./include/linux/kmemleak.h:42 mm/slub.c:3802 mm/slub.c:3845 mm/slub.c:3852) [ 47.478418][ C2] ? __lock_release (kernel/locking/lockdep.c:5406) [ 47.478658][ C2] mas_alloc_nodes (lib/maple_tree.c:1243) [ 47.478805][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 47.478917][ C2] mas_preallocate (lib/maple_tree.c:5557) [ 47.479064][ C2] ? __pfx_mas_preallocate (lib/maple_tree.c:5500) [ 47.479214][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 47.479398][ C2] ? __raw_spin_lock_init (kernel/locking/spinlock_debug.c:27) [ 47.479546][ C2] __split_vma (mm/mmap.c:2352) [ 47.479694][ C2] ? __pfx___split_vma (mm/mmap.c:2325) [ 47.479935][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5134 (discriminator 9)) [ 47.480083][ C2] do_vmi_align_munmap.constprop.0 (mm/mmap.c:2550) [ 47.480267][ C2] ? __pfx_do_vmi_align_munmap.constprop.0 (mm/mmap.c:2505) [ 47.480456][ C2] ? mtree_range_walk (lib/maple_tree.c:788 lib/maple_tree.c:2792) [ 47.480702][ C2] ? mas_walk (lib/maple_tree.c:3678 lib/maple_tree.c:4909) [ 47.480816][ C2] ? mas_find (lib/maple_tree.c:6025 lib/maple_tree.c:6064) [ 47.480929][ C2] mmap_region (mm/mmap.c:2747) [ 47.481077][ C2] ? __pfx_arch_get_unmapped_area_topdown (arch/x86/kernel/sys_x86_64.c:157) [ 47.481262][ C2] ? __pfx_mmap_region (mm/mmap.c:2718) [ 47.481411][ C2] ? get_unmapped_area (mm/mmap.c:1854) [ 47.481560][ C2] do_mmap (mm/mmap.c:1385) [ 47.481673][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 47.481819][ C2] ? __fget_files (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 fs/file.c:1037) [ 47.482070][ C2] vm_mmap_pgoff (mm/util.c:573) [ 47.482220][ C2] ? __pfx_vm_mmap_pgoff (mm/util.c:563) [ 47.482367][ C2] ? __fget_files (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 fs/file.c:1037) [ 47.482514][ C2] ? __fget_files (fs/file.c:1040) [ 47.482754][ C2] ksys_mmap_pgoff (mm/mmap.c:1431) [ 47.482903][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 47.483051][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 47.483238][ C2] RIP: 0033:0x7f386a76d287 [ 47.483488][ C2] Code: c3 66 90 48 89 2b 48 c7 43 08 00 04 00 00 5b 5d 41 5c c3 f3 0f 1e fa 41 89 ca 41 f7 c1 ff 0f 00 00 75 10 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 19 c3 c7 05 46 ef 00 00 16 00 00 00 48 c7 c0 All code ======== 0: c3 ret 1: 66 90 xchg %ax,%ax 3: 48 89 2b mov %rbp,(%rbx) 6: 48 c7 43 08 00 04 00 movq $0x400,0x8(%rbx) d: 00 e: 5b pop %rbx f: 5d pop %rbp 10: 41 5c pop %r12 12: c3 ret 13: f3 0f 1e fa endbr64 17: 41 89 ca mov %ecx,%r10d 1a: 41 f7 c1 ff 0f 00 00 test $0xfff,%r9d 21: 75 10 jne 0x33 23: b8 09 00 00 00 mov $0x9,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 19 ja 0x4b 32: c3 ret 33: c7 05 46 ef 00 00 16 movl $0x16,0xef46(%rip) # 0xef83 3a: 00 00 00 3d: 48 rex.W 3e: c7 .byte 0xc7 3f: c0 .byte 0xc0 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 19 ja 0x21 8: c3 ret 9: c7 05 46 ef 00 00 16 movl $0x16,0xef46(%rip) # 0xef59 10: 00 00 00 13: 48 rex.W 14: c7 .byte 0xc7 15: c0 .byte 0xc0 [ 47.484009][ C2] RSP: 002b:00007ffee54b6598 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 47.484332][ C2] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f386a76d287 [ 47.484554][ C2] RDX: 0000000000000005 RSI: 0000000000004000 RDI: 00007f386a6e2000 [ 47.484772][ C2] RBP: 00007ffee54b6900 R08: 0000000000000005 R09: 0000000000002000 [ 47.485084][ C2] R10: 0000000000000812 R11: 0000000000000246 R12: 00007ffee54b65d0 Finger prints: dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage