Call Trace: ====================================================== WARNING: possible circular locking dependency detected 5.16.0-next-20220120 #1 Not tainted ------------------------------------------------------ syz-executor.2/9891 is trying to acquire lock: ffffffff851f5278 ((console_sem).lock){-.-.}-{2:2}, at: down_trylock+0xe/0x60 kernel/locking/semaphore.c:138 but task is already holding lock: ffff88802b27d020 (&ctx->lock){....}-{2:2}, at: perf_ctx_lock kernel/events/core.c:168 [inline] ffff88802b27d020 (&ctx->lock){....}-{2:2}, at: perf_event_context_sched_in kernel/events/core.c:3869 [inline] ffff88802b27d020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_in+0x315/0x770 kernel/events/core.c:3931 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&ctx->lock){....}-{2:2}: __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 perf_event_context_sched_out kernel/events/core.c:3493 [inline] __perf_event_task_sched_out+0x519/0x1920 kernel/events/core.c:3601 perf_event_task_sched_out include/linux/perf_event.h:1245 [inline] prepare_task_switch kernel/sched/core.c:4796 [inline] context_switch kernel/sched/core.c:4938 [inline] __schedule+0xead/0x2190 kernel/sched/core.c:6296 schedule+0xd2/0x260 kernel/sched/core.c:6369 exit_to_user_mode_loop kernel/entry/common.c:163 [inline] exit_to_user_mode_prepare+0x114/0x1c0 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:300 do_syscall_64+0x48/0x90 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae -> #2 (&rq->__lock){-.-.}-{2:2}: _raw_spin_lock_nested+0x30/0x40 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0x1e/0x30 kernel/sched/core.c:489 raw_spin_rq_lock kernel/sched/sched.h:1318 [inline] rq_lock kernel/sched/sched.h:1616 [inline] task_fork_fair+0x63/0x4d0 kernel/sched/fair.c:11146 sched_post_fork+0x343/0x490 kernel/sched/core.c:4462 copy_process+0x5310/0x6cb0 kernel/fork.c:2379 kernel_clone+0xe7/0xa60 kernel/fork.c:2555 kernel_thread+0xb5/0xf0 kernel/fork.c:2607 rest_init+0x24/0x3d0 init/main.c:692 start_kernel+0x484/0x4a5 init/main.c:1141 secondary_startup_64_no_verify+0xd5/0xdb -> #1 (&p->pi_lock){-.-.}-{2:2}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 try_to_wake_up+0xac/0x14c0 kernel/sched/core.c:4017 up+0x75/0xb0 kernel/locking/semaphore.c:190 __up_console_sem+0x6e/0x80 kernel/printk/printk.c:255 console_unlock+0x53e/0xae0 kernel/printk/printk.c:2730 vprintk_emit+0x198/0x450 kernel/printk/printk.c:2248 vprintk+0x80/0x90 kernel/printk/printk_safe.c:50 _printk+0xba/0xed kernel/printk/printk.c:2269 kauditd_printk_skb kernel/audit.c:538 [inline] kauditd_hold_skb.cold+0x41/0x50 kernel/audit.c:571 kauditd_send_queue kernel/audit.c:734 [inline] kauditd_thread+0x86b/0x1080 kernel/audit.c:858 kthread+0x2f0/0x3a0 kernel/kthread.c:377 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:295 -> #0 ((console_sem).lock){-.-.}-{2:2}: check_prev_add kernel/locking/lockdep.c:3063 [inline] check_prevs_add kernel/locking/lockdep.c:3186 [inline] validate_chain kernel/locking/lockdep.c:3801 [inline] __lock_acquire+0x2a14/0x5b70 kernel/locking/lockdep.c:5027 lock_acquire kernel/locking/lockdep.c:5639 [inline] lock_acquire+0x1a2/0x4d0 kernel/locking/lockdep.c:5604 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 down_trylock+0xe/0x60 kernel/locking/semaphore.c:138 __down_trylock_console_sem+0x3b/0xd0 kernel/printk/printk.c:238 console_trylock kernel/printk/printk.c:2545 [inline] console_trylock_spinning kernel/printk/printk.c:1846 [inline] vprintk_emit+0x146/0x450 kernel/printk/printk.c:2247 vprintk+0x80/0x90 kernel/printk/printk_safe.c:50 _printk+0xba/0xed kernel/printk/printk.c:2269 show_trace_log_lvl+0x57/0x2bb arch/x86/kernel/dumpstack.c:195 ex_handler_msr+0x311/0x3a0 arch/x86/mm/extable.c:101 fixup_exception+0x1c7/0xc90 arch/x86/mm/extable.c:200 __exc_general_protection arch/x86/kernel/traps.c:601 [inline] exc_general_protection+0xed/0x2f0 arch/x86/kernel/traps.c:562 asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:562 wrmsrl arch/x86/include/asm/msr.h:271 [inline] __x86_pmu_enable_event arch/x86/events/perf_event.h:1120 [inline] x86_pmu_enable_all+0x2f7/0x3c0 arch/x86/events/core.c:743 x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] perf_event_context_sched_in kernel/events/core.c:3893 [inline] __perf_event_task_sched_in+0x5e4/0x770 kernel/events/core.c:3931 perf_event_task_sched_in include/linux/perf_event.h:1222 [inline] finish_task_switch.isra.0+0x45c/0x870 kernel/sched/core.c:4861 context_switch kernel/sched/core.c:4989 [inline] __schedule+0x88a/0x2190 kernel/sched/core.c:6296 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6462 __cond_resched+0x13/0x20 kernel/sched/core.c:8175 might_resched include/linux/kernel.h:110 [inline] __mutex_lock_common kernel/locking/mutex.c:577 [inline] __mutex_lock+0xa3/0x1480 kernel/locking/mutex.c:733 __do_sys_perf_event_open+0x1d13/0x3040 kernel/events/core.c:12445 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae other info that might help us debug this: Chain exists of: (console_sem).lock --> &rq->__lock --> &ctx->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ctx->lock); lock(&rq->__lock); lock(&ctx->lock); lock((console_sem).lock); *** DEADLOCK *** 2 locks held by syz-executor.2/9891: #0: ffff88806ce3ee20 (&cpuctx_lock){-.-.}-{2:2}, at: perf_ctx_lock kernel/events/core.c:166 [inline] #0: ffff88806ce3ee20 (&cpuctx_lock){-.-.}-{2:2}, at: perf_event_context_sched_in kernel/events/core.c:3869 [inline] #0: ffff88806ce3ee20 (&cpuctx_lock){-.-.}-{2:2}, at: __perf_event_task_sched_in+0x304/0x770 kernel/events/core.c:3931 #1: ffff88802b27d020 (&ctx->lock){....}-{2:2}, at: perf_ctx_lock kernel/events/core.c:168 [inline] #1: ffff88802b27d020 (&ctx->lock){....}-{2:2}, at: perf_event_context_sched_in kernel/events/core.c:3869 [inline] #1: ffff88802b27d020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_in+0x315/0x770 kernel/events/core.c:3931 stack backtrace: CPU: 0 PID: 9891 Comm: syz-executor.2 Not tainted 5.16.0-next-20220120 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 check_noncircular+0x25f/0x2e0 kernel/locking/lockdep.c:2143 check_prev_add kernel/locking/lockdep.c:3063 [inline] check_prevs_add kernel/locking/lockdep.c:3186 [inline] validate_chain kernel/locking/lockdep.c:3801 [inline] __lock_acquire+0x2a14/0x5b70 kernel/locking/lockdep.c:5027 lock_acquire kernel/locking/lockdep.c:5639 [inline] lock_acquire+0x1a2/0x4d0 kernel/locking/lockdep.c:5604 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 down_trylock+0xe/0x60 kernel/locking/semaphore.c:138 __down_trylock_console_sem+0x3b/0xd0 kernel/printk/printk.c:238 console_trylock kernel/printk/printk.c:2545 [inline] console_trylock_spinning kernel/printk/printk.c:1846 [inline] vprintk_emit+0x146/0x450 kernel/printk/printk.c:2247 vprintk+0x80/0x90 kernel/printk/printk_safe.c:50 _printk+0xba/0xed kernel/printk/printk.c:2269 show_trace_log_lvl+0x57/0x2bb arch/x86/kernel/dumpstack.c:195 ex_handler_msr+0x311/0x3a0 arch/x86/mm/extable.c:101 fixup_exception+0x1c7/0xc90 arch/x86/mm/extable.c:200 __exc_general_protection arch/x86/kernel/traps.c:601 [inline] exc_general_protection+0xed/0x2f0 arch/x86/kernel/traps.c:562 asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:562 RIP: 0010:__wrmsr arch/x86/include/asm/msr.h:103 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:154 [inline] RIP: 0010:wrmsrl arch/x86/include/asm/msr.h:271 [inline] RIP: 0010:__x86_pmu_enable_event arch/x86/events/perf_event.h:1120 [inline] RIP: 0010:x86_pmu_enable_all+0x2f7/0x3c0 arch/x86/events/core.c:743 Code: 00 8b 7c 24 1c 48 8b 44 24 10 0f ae e8 ff d0 89 44 24 10 e8 cb 3e 42 00 4c 89 fa 8b 4c 24 08 4c 89 f8 03 4c 24 10 48 c1 ea 20 <0f> 30 66 90 e8 b0 3e 42 00 e9 cc fd ff ff 48 83 c4 20 5b 5d 41 5c RSP: 0018:ffff88806b227900 EFLAGS: 00010016 RAX: 0000000f004000ff RBX: ffff8880081c3f40 RCX: 00000000c0010202 RDX: 000000000000000f RSI: ffffffff8100e045 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff81015b2d R11: 0000000000000000 R12: dffffc0000000000 R13: ffff88806ce21c20 R14: ffff88806ce21e20 R15: 0000000f004000ff x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] perf_event_context_sched_in kernel/events/core.c:3893 [inline] __perf_event_task_sched_in+0x5e4/0x770 kernel/events/core.c:3931 perf_event_task_sched_in include/linux/perf_event.h:1222 [inline] finish_task_switch.isra.0+0x45c/0x870 kernel/sched/core.c:4861 context_switch kernel/sched/core.c:4989 [inline] __schedule+0x88a/0x2190 kernel/sched/core.c:6296 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6462 __cond_resched+0x13/0x20 kernel/sched/core.c:8175 might_resched include/linux/kernel.h:110 [inline] __mutex_lock_common kernel/locking/mutex.c:577 [inline] __mutex_lock+0xa3/0x1480 kernel/locking/mutex.c:733 __do_sys_perf_event_open+0x1d13/0x3040 kernel/events/core.c:12445 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7eff01b5eb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efeff0d4188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007eff01c71f60 RCX: 00007eff01b5eb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007eff01bb8f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb03ec5bf R14: 00007efeff0d4300 R15: 0000000000022000 x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] perf_event_context_sched_in kernel/events/core.c:3893 [inline] __perf_event_task_sched_in+0x5e4/0x770 kernel/events/core.c:3931 perf_event_task_sched_in include/linux/perf_event.h:1222 [inline] finish_task_switch.isra.0+0x45c/0x870 kernel/sched/core.c:4861 context_switch kernel/sched/core.c:4989 [inline] __schedule+0x88a/0x2190 kernel/sched/core.c:6296 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6462 __cond_resched+0x13/0x20 kernel/sched/core.c:8175 might_resched include/linux/kernel.h:110 [inline] __mutex_lock_common kernel/locking/mutex.c:577 [inline] __mutex_lock+0xa3/0x1480 kernel/locking/mutex.c:733 __do_sys_perf_event_open+0x1d13/0x3040 kernel/events/core.c:12445 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7eff01b5eb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efeff0d4188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007eff01c71f60 RCX: 00007eff01b5eb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007eff01bb8f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb03ec5bf R14: 00007efeff0d4300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] perf_event_context_sched_out kernel/events/core.c:3500 [inline] __perf_event_task_sched_out+0x764/0x1920 kernel/events/core.c:3601 perf_event_task_sched_out include/linux/perf_event.h:1245 [inline] prepare_task_switch kernel/sched/core.c:4796 [inline] context_switch kernel/sched/core.c:4938 [inline] __schedule+0xead/0x2190 kernel/sched/core.c:6296 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6462 __cond_resched+0x13/0x20 kernel/sched/core.c:8175 might_resched include/linux/kernel.h:110 [inline] __mutex_lock_common kernel/locking/mutex.c:577 [inline] __mutex_lock+0xa3/0x1480 kernel/locking/mutex.c:733 __do_sys_perf_event_open+0x1d13/0x3040 kernel/events/core.c:12445 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7eff01b5eb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efeff0d4188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007eff01c71f60 RCX: 00007eff01b5eb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007eff01bb8f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb03ec5bf R14: 00007efeff0d4300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] ctx_resched+0x2b0/0x390 kernel/events/core.c:2754 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2821 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 flush_smp_call_function_queue+0x1df/0x610 kernel/smp.c:628 __sysvec_call_function_single+0x92/0x3a0 arch/x86/kernel/smp.c:248 sysvec_call_function_single+0x89/0xc0 arch/x86/kernel/smp.c:243 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:646 RIP: 0010:__orc_find+0x8f/0xf0 arch/x86/kernel/unwind_orc.c:49 Code: d8 48 c1 e8 03 42 0f b6 14 38 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 48 48 63 03 48 01 d8 48 39 c1 73 b0 4c 8d 63 fc <49> 39 ec 73 b3 4d 29 ee 49 c1 fe 02 4b 8d 04 76 48 8d 04 46 48 83 RSP: 0000:ffff88804896f7f8 EFLAGS: 00000287 RAX: ffffffff84200ae0 RBX: ffffffff85babc34 RCX: ffffffff84200acd RDX: 0000000000000000 RSI: ffffffff85fd042e RDI: ffffffff85babbdc RBP: ffffffff85babc2c R08: ffffffff85fd042e R09: ffffffff85fcb95c R10: ffffed100912df31 R11: 000000000003403b R12: ffffffff85babc30 R13: ffffffff85babbdc R14: ffffffff85babc28 R15: dffffc0000000000 orc_find arch/x86/kernel/unwind_orc.c:173 [inline] unwind_next_frame+0x32a/0x2250 arch/x86/kernel/unwind_orc.c:443 arch_stack_walk+0x83/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:436 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:469 kasan_slab_alloc include/linux/kasan.h:260 [inline] slab_post_alloc_hook mm/slab.h:732 [inline] slab_alloc_node mm/slub.c:3230 [inline] slab_alloc mm/slub.c:3238 [inline] kmem_cache_alloc+0x1aa/0x480 mm/slub.c:3243 anon_vma_chain_alloc mm/rmap.c:137 [inline] __anon_vma_prepare+0x60/0x530 mm/rmap.c:191 anon_vma_prepare include/linux/rmap.h:151 [inline] do_cow_fault mm/memory.c:4199 [inline] do_fault mm/memory.c:4314 [inline] handle_pte_fault mm/memory.c:4570 [inline] __handle_mm_fault+0x27ea/0x3570 mm/memory.c:4705 handle_mm_fault+0x2e6/0xa20 mm/memory.c:4803 do_user_addr_fault+0x54a/0x12a0 arch/x86/mm/fault.c:1397 handle_page_fault arch/x86/mm/fault.c:1484 [inline] exc_page_fault+0xa2/0x1a0 arch/x86/mm/fault.c:1540 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0033:0x7f57c65dc0ef Code: 0f 7f 44 17 f0 f3 0f 7f 07 c3 48 83 fa 40 77 16 f3 0f 7f 07 f3 0f 7f 47 10 f3 0f 7f 44 17 f0 f3 0f 7f 44 17 e0 c3 48 8d 4f 40 0f 7f 07 48 83 e1 c0 f3 0f 7f 44 17 f0 f3 0f 7f 47 10 f3 0f 7f RSP: 002b:00007fff09583a28 EFLAGS: 00010202 RAX: 00007f57c60d0310 RBX: 0000000000000004 RCX: 00007f57c60d0350 RDX: 0000000000000cf0 RSI: 0000000000000000 RDI: 00007f57c60d0310 RBP: 00007fff09583d90 R08: 00007f57c60d0310 R09: 000000000001b000 R10: 00007f57c60d1000 R11: 0000000000000003 R12: 00007f57c65b6f20 R13: 00007fff09583a30 R14: 00007fff09583ac0 R15: 00007fff09583e20 Call Trace: x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] ctx_resched+0x2b0/0x390 kernel/events/core.c:2754 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2821 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 flush_smp_call_function_queue+0x1df/0x610 kernel/smp.c:628 __sysvec_call_function_single+0x92/0x3a0 arch/x86/kernel/smp.c:248 sysvec_call_function_single+0x3b/0xc0 arch/x86/kernel/smp.c:243 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:646 RIP: 0033:0x7f57c65c6bda Code: ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 57 41 56 41 55 49 89 d5 41 54 49 89 fc 55 53 48 81 ec 98 00 00 00 0f b6 17 <48> 89 74 24 10 48 89 4c 24 20 4c 89 44 24 08 44 89 4c 24 1c 84 d2 RSP: 002b:00007fff095846b0 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 00007f57c60f93b0 RCX: 00007f57c65b6d88 RDX: 000000000000005f RSI: 00007f57c65b6a20 RDI: 00007f57c60ee9d4 RBP: 00007fff09584890 R08: 0000000000000000 R09: 0000000000000004 R10: 00007f57c6297a04 R11: 00007f57c65b6a20 R12: 00007f57c60ee9d4 R13: 00007fff09584818 R14: 00007f57c60dc5c8 R15: 00007f57c65b6a20 Call Trace: x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] ctx_resched+0x2b0/0x390 kernel/events/core.c:2754 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2821 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 flush_smp_call_function_queue+0x1df/0x610 kernel/smp.c:628 __sysvec_call_function_single+0x92/0x3a0 arch/x86/kernel/smp.c:248 sysvec_call_function_single+0x89/0xc0 arch/x86/kernel/smp.c:243 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:646 RIP: 0010:__syscall_enter_from_user_work kernel/entry/common.c:87 [inline] RIP: 0010:syscall_enter_from_user_mode+0x27/0x50 kernel/entry/common.c:108 Code: fd 66 90 41 54 49 89 f4 55 48 89 fd 48 8b 7c 24 10 e8 ed f6 ff ff e8 98 37 42 fd e8 d3 3c 42 fd fb 65 48 8b 04 25 40 6f 02 00 <48> 8b 70 08 40 f6 c6 3f 75 07 4c 89 e0 5d 41 5c c3 48 89 ef 5d 41 RSP: 0018:ffff8880375d7f28 EFLAGS: 00000246 RAX: ffff8880157f1ac0 RBX: 0000000000000000 RCX: 1ffffffff0b19701 RDX: 0000000000000000 RSI: ffffffff8149e9d1 RDI: ffffffff8407acad RBP: ffff8880375d7f58 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8149e9b8 R11: 0000000000000000 R12: 0000000000000037 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 do_syscall_64+0x16/0x90 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f8e68c9713a Code: 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc78ccece8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 0000000000000029 RCX: 00007f8e68c9713a RDX: 0000000000000041 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00007ffc78cced10 R08: 00007ffc78cced0c R09: fefefefeff646b66 R10: 00007ffc78cced70 R11: 0000000000000212 R12: 00007ffc78cced70 R13: 0000000000000003 R14: 00007ffc78cced0c R15: 00007f8e68d778e0 Call Trace: x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] ctx_resched+0x2b0/0x390 kernel/events/core.c:2754 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2821 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 flush_smp_call_function_queue+0x1df/0x610 kernel/smp.c:628 __sysvec_call_function_single+0x92/0x3a0 arch/x86/kernel/smp.c:248 sysvec_call_function_single+0x3b/0xc0 arch/x86/kernel/smp.c:243 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:646 RIP: 0033:0x5f6bd2 Code: 48 8d 6c 24 18 48 8b 59 20 48 85 db 75 3c 48 8b 44 24 28 8b 08 0f b6 40 04 89 0c 24 88 44 24 04 e8 c3 2d fe ff 48 8b 44 24 10 <48> 8b 4c 24 08 48 89 4c 24 30 48 89 44 24 38 48 8b 6c 24 18 48 83 RSP: 002b:000000c0004c5940 EFLAGS: 00000202 RAX: 000000000176e800 RBX: 000000c000380000 RCX: 000000000176e800 RDX: 000000c000084000 RSI: 00000000008e08e0 RDI: 000000c0004c5b28 RBP: 000000c0004c5958 R08: 000000c0004c7c20 R09: 0000000000203001 R10: 0000000000000002 R11: 0000000000000011 R12: 00000000000000f1 R13: 0000000000000000 R14: 0000000000e5dacd R15: 0000000000000000 Call Trace: x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] ctx_resched+0x2b0/0x390 kernel/events/core.c:2754 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2821 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 generic_exec_single+0x203/0x300 kernel/smp.c:518 smp_call_function_single+0x189/0x460 kernel/smp.c:755 cpu_function_call kernel/events/core.c:152 [inline] perf_install_in_context+0x4a3/0x550 kernel/events/core.c:2880 __do_sys_perf_event_open+0x1bf0/0x3040 kernel/events/core.c:12433 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f8e68c95b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8e6620b188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f8e68da8f60 RCX: 00007f8e68c95b19 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000000 RBP: 00007f8e68ceff6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc78ccf18f R14: 00007f8e6620b300 R15: 0000000000022000 loop7: detected capacity change from 0 to 65536 FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) Call Trace: x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] ctx_resched+0x2b0/0x390 kernel/events/core.c:2754 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2821 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 generic_exec_single+0x203/0x300 kernel/smp.c:518 smp_call_function_single+0x189/0x460 kernel/smp.c:755 cpu_function_call kernel/events/core.c:152 [inline] perf_install_in_context+0x4a3/0x550 kernel/events/core.c:2880 __do_sys_perf_event_open+0x1bf0/0x3040 kernel/events/core.c:12433 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f9f8ab18b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9f8808e188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f9f8ac2bf60 RCX: 00007f9f8ab18b19 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000000 RBP: 00007f9f8ab72f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe0b19950f R14: 00007f9f8808e300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] ctx_resched+0x2b0/0x390 kernel/events/core.c:2754 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2821 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 generic_exec_single+0x203/0x300 kernel/smp.c:518 smp_call_function_single+0x189/0x460 kernel/smp.c:755 cpu_function_call kernel/events/core.c:152 [inline] perf_install_in_context+0x4a3/0x550 kernel/events/core.c:2880 __do_sys_perf_event_open+0x1bf0/0x3040 kernel/events/core.c:12433 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f9f8ab18b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9f8808e188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f9f8ac2bf60 RCX: 00007f9f8ab18b19 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000000 RBP: 00007f9f8ab72f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe0b19950f R14: 00007f9f8808e300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] ctx_resched+0x2b0/0x390 kernel/events/core.c:2754 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2821 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 generic_exec_single+0x203/0x300 kernel/smp.c:518 smp_call_function_single+0x189/0x460 kernel/smp.c:755 cpu_function_call kernel/events/core.c:152 [inline] perf_install_in_context+0x4a3/0x550 kernel/events/core.c:2880 __do_sys_perf_event_open+0x1bf0/0x3040 kernel/events/core.c:12433 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f8e68c95b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8e6620b188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f8e68da8f60 RCX: 00007f8e68c95b19 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000000 RBP: 00007f8e68ceff6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc78ccf18f R14: 00007f8e6620b300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] ctx_resched+0x2b0/0x390 kernel/events/core.c:2754 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2821 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 generic_exec_single+0x203/0x300 kernel/smp.c:518 smp_call_function_single+0x189/0x460 kernel/smp.c:755 cpu_function_call kernel/events/core.c:152 [inline] perf_install_in_context+0x4a3/0x550 kernel/events/core.c:2880 __do_sys_perf_event_open+0x1bf0/0x3040 kernel/events/core.c:12433 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f8e68c95b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8e6620b188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f8e68da8f60 RCX: 00007f8e68c95b19 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000000 RBP: 00007f8e68ceff6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc78ccf18f R14: 00007f8e6620b300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] event_sched_out+0x72d/0xaf0 kernel/events/core.c:2308 __perf_remove_from_context+0x88/0x830 kernel/events/core.c:2356 event_function+0x297/0x3d0 kernel/events/core.c:253 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 generic_exec_single+0x203/0x300 kernel/smp.c:518 smp_call_function_single+0x189/0x460 kernel/smp.c:755 cpu_function_call kernel/events/core.c:152 [inline] event_function_call+0x3d0/0x430 kernel/events/core.c:280 perf_remove_from_context+0xfd/0x230 kernel/events/core.c:2403 perf_event_release_kernel+0x153/0x7f0 kernel/events/core.c:5109 perf_release+0x33/0x40 kernel/events/core.c:5205 __fput+0x281/0x9e0 fs/file_table.c:311 task_work_run+0xe2/0x1a0 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x1be/0x1c0 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:300 do_syscall_64+0x48/0x90 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f9f8aacb72b Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 RSP: 002b:00007ffe0b199570 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f9f8aacb72b RDX: 00007f9f8ac30a68 RSI: 0000000000000080 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f9f8ac30a70 R10: 00007ffe0b199660 R11: 0000000000000293 R12: 0000000000199c1e R13: 00000000000003e8 R14: 00007f9f8ac2bf60 R15: 0000000000199c13 loop7: detected capacity change from 0 to 98304 FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) ---------------- Code disassembly (best guess): 0: 00 8b 7c 24 1c 48 add %cl,0x481c247c(%rbx) 6: 8b 44 24 10 mov 0x10(%rsp),%eax a: 0f ae e8 lfence d: ff d0 callq *%rax f: 89 44 24 10 mov %eax,0x10(%rsp) 13: e8 cb 3e 42 00 callq 0x423ee3 18: 4c 89 fa mov %r15,%rdx 1b: 8b 4c 24 08 mov 0x8(%rsp),%ecx 1f: 4c 89 f8 mov %r15,%rax 22: 03 4c 24 10 add 0x10(%rsp),%ecx 26: 48 c1 ea 20 shr $0x20,%rdx * 2a: 0f 30 wrmsr <-- trapping instruction 2c: 66 90 xchg %ax,%ax 2e: e8 b0 3e 42 00 callq 0x423ee3 33: e9 cc fd ff ff jmpq 0xfffffe04 38: 48 83 c4 20 add $0x20,%rsp 3c: 5b pop %rbx 3d: 5d pop %rbp 3e: 41 5c pop %r12