Contact linux-ext4@vger.kernel.org if you think we should keep it. EXT4-fs: Use iversion instead Call Trace: ====================================================== WARNING: possible circular locking dependency detected 5.17.0-rc4-next-20220217 #1 Not tainted ------------------------------------------------------ syz-executor.5/4355 is trying to acquire lock: ffffffff851f4d38 ((console_sem).lock){-.-.}-{2:2}, at: down_trylock+0xe/0x60 but task is already holding lock: ffff88801e5b7c20 (&ctx->lock){....}-{2:2}, at: __perf_install_in_context+0x12d/0x310 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&ctx->lock){....}-{2:2}: _raw_spin_lock+0x2a/0x40 __perf_event_task_sched_out+0x519/0x1950 __schedule+0xead/0x2190 schedule+0xd2/0x1f0 exit_to_user_mode_prepare+0x114/0x1c0 syscall_exit_to_user_mode+0x19/0x50 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae -> #2 (&rq->__lock){-.-.}-{2:2}: _raw_spin_lock_nested+0x30/0x40 raw_spin_rq_lock_nested+0x1e/0x30 task_fork_fair+0x63/0x4d0 sched_post_fork+0x343/0x490 copy_process+0x5306/0x6c80 kernel_clone+0xe7/0xa60 kernel_thread+0xb5/0xf0 rest_init+0x24/0x3d0 start_kernel+0x489/0x4aa secondary_startup_64_no_verify+0xd5/0xdb -> #1 (&p->pi_lock){-.-.}-{2:2}: _raw_spin_lock_irqsave+0x39/0x50 try_to_wake_up+0xa5/0x1060 up+0x75/0xb0 __up_console_sem+0x6e/0x80 console_unlock+0x603/0xd40 vprintk_emit+0x1b4/0x550 vprintk+0x80/0x90 _printk+0xba/0xed kauditd_hold_skb.cold+0x3f/0x4e kauditd_send_queue+0x22b/0x290 kauditd_thread+0x762/0xba0 kthread+0x2f0/0x3a0 ret_from_fork+0x22/0x30 -> #0 ((console_sem).lock){-.-.}-{2:2}: __lock_acquire+0x2c2f/0x6120 lock_acquire+0x1a2/0x4d0 _raw_spin_lock_irqsave+0x39/0x50 down_trylock+0xe/0x60 __down_trylock_console_sem+0x3b/0xd0 vprintk_emit+0x162/0x550 vprintk+0x80/0x90 _printk+0xba/0xed show_trace_log_lvl+0x57/0x2bb ex_handler_msr+0x311/0x3a0 fixup_exception+0x307/0xff0 exc_general_protection+0xf6/0x2d0 asm_exc_general_protection+0x1e/0x30 x86_pmu_enable_all+0x2f7/0x3c0 x86_pmu_enable+0x580/0xd90 ctx_resched+0x2b0/0x390 __perf_install_in_context+0x285/0x310 remote_function+0x125/0x1b0 generic_exec_single+0x203/0x300 smp_call_function_single+0x189/0x460 task_function_call+0xe5/0x170 perf_install_in_context+0x2cb/0x550 __do_sys_perf_event_open+0x1bf0/0x3040 do_syscall_64+0x3b/0x90 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 *** 4 locks held by syz-executor.5/4355: #0: ffff88800f936b20 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0x1023/0x3040 #1: ffff88801e5b7cb0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x17cd/0x3040 #2: ffff88806ce3f220 (&cpuctx_lock){....}-{2:2}, at: __perf_install_in_context+0xf4/0x310 #3: ffff88801e5b7c20 (&ctx->lock){....}-{2:2}, at: __perf_install_in_context+0x12d/0x310 stack backtrace: CPU: 0 PID: 4355 Comm: syz-executor.5 Not tainted 5.17.0-rc4-next-20220217 #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_lvl+0x8b/0xb3 check_noncircular+0x25f/0x2e0 __lock_acquire+0x2c2f/0x6120 lock_acquire+0x1a2/0x4d0 _raw_spin_lock_irqsave+0x39/0x50 down_trylock+0xe/0x60 __down_trylock_console_sem+0x3b/0xd0 vprintk_emit+0x162/0x550 vprintk+0x80/0x90 _printk+0xba/0xed show_trace_log_lvl+0x57/0x2bb ex_handler_msr+0x311/0x3a0 fixup_exception+0x307/0xff0 exc_general_protection+0xf6/0x2d0 asm_exc_general_protection+0x1e/0x30 RIP: 0010:x86_pmu_enable_all+0x2f7/0x3c0 Code: 00 8b 7c 24 1c 48 8b 44 24 10 0f ae e8 ff d0 89 44 24 10 e8 0b 64 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 f0 63 42 00 e9 cc fd ff ff 48 83 c4 20 5b 5d 41 5c RSP: 0018:ffff888044807968 EFLAGS: 00010016 RAX: 0000000f004000ff RBX: ffff8880081e05b8 RCX: 00000000c0010202 RDX: 000000000000000f RSI: ffffffff8100e055 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff8101577d R11: 0000000000000000 R12: dffffc0000000000 R13: ffff88806ce21c20 R14: ffff88806ce21e20 R15: 0000000f004000ff x86_pmu_enable+0x580/0xd90 ctx_resched+0x2b0/0x390 __perf_install_in_context+0x285/0x310 remote_function+0x125/0x1b0 generic_exec_single+0x203/0x300 smp_call_function_single+0x189/0x460 task_function_call+0xe5/0x170 perf_install_in_context+0x2cb/0x550 __do_sys_perf_event_open+0x1bf0/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7efd6ed70b19 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:00007efd6c2e6188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007efd6ee83f60 RCX: 00007efd6ed70b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007efd6edcaf6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeb456da4f R14: 00007efd6c2e6300 R15: 0000000000022000 ext2: Bad value for 'resuid' x86_pmu_enable+0x580/0xd90 ctx_resched+0x2b0/0x390 __perf_install_in_context+0x285/0x310 remote_function+0x125/0x1b0 generic_exec_single+0x203/0x300 smp_call_function_single+0x189/0x460 task_function_call+0xe5/0x170 perf_install_in_context+0x2cb/0x550 __do_sys_perf_event_open+0x1bf0/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7efd6ed70b19 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:00007efd6c2e6188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007efd6ee83f60 RCX: 00007efd6ed70b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007efd6edcaf6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeb456da4f R14: 00007efd6c2e6300 R15: 0000000000022000 EXT4-fs: Mount option "i_version" will be removed by 5.20 Contact linux-ext4@vger.kernel.org if you think we should keep it. EXT4-fs: Use iversion instead EXT4-fs: Mount option "i_version" will be removed by 5.20 Contact linux-ext4@vger.kernel.org if you think we should keep it. EXT4-fs: Use iversion instead ext2: Bad value for 'resuid' loop7: detected capacity change from 0 to 264192 Call Trace: x86_pmu_enable+0x580/0xd90 ctx_resched+0x2b0/0x390 __perf_install_in_context+0x285/0x310 remote_function+0x125/0x1b0 generic_exec_single+0x203/0x300 smp_call_function_single+0x189/0x460 task_function_call+0xe5/0x170 perf_install_in_context+0x2cb/0x550 __do_sys_perf_event_open+0x1bf0/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8cf7ab19 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:00007fde8a4f0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fde8d08df60 RCX: 00007fde8cf7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007fde8cfd4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7fd5a49f R14: 00007fde8a4f0300 R15: 0000000000022000 EXT4-fs: Mount option "i_version" will be removed by 5.20 Contact linux-ext4@vger.kernel.org if you think we should keep it. EXT4-fs: Use iversion instead EXT4-fs: Mount option "i_version" will be removed by 5.20 Contact linux-ext4@vger.kernel.org if you think we should keep it. EXT4-fs: Use iversion instead loop4: detected capacity change from 0 to 1 FAT-fs (loop4): Directory bread(block 5) failed FAT-fs (loop4): Directory bread(block 6) failed FAT-fs (loop4): Directory bread(block 7) failed FAT-fs (loop4): Directory bread(block 8) failed FAT-fs (loop4): Directory bread(block 9) failed FAT-fs (loop4): Directory bread(block 10) failed ext2: Bad value for 'resuid' FAT-fs (loop4): Directory bread(block 11) failed FAT-fs (loop4): Directory bread(block 5) failed FAT-fs (loop4): Directory bread(block 6) failed FAT-fs (loop4): Directory bread(block 7) failed loop4: detected capacity change from 0 to 1 FAT-fs (loop4): Directory bread(block 5) failed FAT-fs (loop4): Directory bread(block 6) failed FAT-fs (loop4): Directory bread(block 7) failed Call Trace: x86_pmu_enable+0x580/0xd90 __perf_event_task_sched_in+0x5e4/0x770 finish_task_switch.isra.0+0x45c/0x870 __schedule+0x88a/0x2190 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 __mutex_lock+0xa3/0x1480 __do_sys_perf_event_open+0x1d13/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8cf7ab19 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:00007fde8a4f0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fde8d08df60 RCX: 00007fde8cf7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007fde8cfd4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7fd5a49f R14: 00007fde8a4f0300 R15: 0000000000022000 FAT-fs (loop4): Directory bread(block 8) failed FAT-fs (loop4): Directory bread(block 9) failed FAT-fs (loop4): Directory bread(block 10) failed FAT-fs (loop4): Directory bread(block 11) failed FAT-fs (loop4): Directory bread(block 5) failed FAT-fs (loop4): Directory bread(block 6) failed FAT-fs (loop4): Directory bread(block 7) failed Call Trace: x86_pmu_enable+0x580/0xd90 __perf_event_task_sched_in+0x5e4/0x770 finish_task_switch.isra.0+0x45c/0x870 __schedule+0x88a/0x2190 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 __mutex_lock+0xa3/0x1480 __do_sys_perf_event_open+0x1d13/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8cf7ab19 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:00007fde8a4f0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fde8d08df60 RCX: 00007fde8cf7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007fde8cfd4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7fd5a49f R14: 00007fde8a4f0300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 __perf_event_task_sched_in+0x5e4/0x770 finish_task_switch.isra.0+0x45c/0x870 __schedule+0x88a/0x2190 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 __mutex_lock+0xa3/0x1480 __do_sys_perf_event_open+0x1d13/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8cf7ab19 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:00007fde8a4f0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fde8d08df60 RCX: 00007fde8cf7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007fde8cfd4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7fd5a49f R14: 00007fde8a4f0300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 __perf_event_task_sched_in+0x5e4/0x770 finish_task_switch.isra.0+0x45c/0x870 __schedule+0x88a/0x2190 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 __mutex_lock+0xa3/0x1480 __do_sys_perf_event_open+0x1d13/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8cf7ab19 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:00007fde8a4f0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fde8d08df60 RCX: 00007fde8cf7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007fde8cfd4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7fd5a49f R14: 00007fde8a4f0300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 __perf_event_task_sched_in+0x5e4/0x770 finish_task_switch.isra.0+0x45c/0x870 __schedule+0x88a/0x2190 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 __mutex_lock+0xa3/0x1480 __do_sys_perf_event_open+0x1d13/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8cf7ab19 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:00007fde8a4f0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fde8d08df60 RCX: 00007fde8cf7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007fde8cfd4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7fd5a49f R14: 00007fde8a4f0300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 __perf_event_task_sched_in+0x5e4/0x770 finish_task_switch.isra.0+0x45c/0x870 __schedule+0x88a/0x2190 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 __mutex_lock+0xa3/0x1480 __do_sys_perf_event_open+0x1d13/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8cf7ab19 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:00007fde8a4f0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fde8d08df60 RCX: 00007fde8cf7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007fde8cfd4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7fd5a49f R14: 00007fde8a4f0300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 __perf_event_task_sched_in+0x5e4/0x770 finish_task_switch.isra.0+0x45c/0x870 __schedule+0x88a/0x2190 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 __mutex_lock+0xa3/0x1480 __do_sys_perf_event_open+0x1d13/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8cf7ab19 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:00007fde8a4f0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fde8d08df60 RCX: 00007fde8cf7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007fde8cfd4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7fd5a49f R14: 00007fde8a4f0300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 __perf_event_task_sched_in+0x5e4/0x770 finish_task_switch.isra.0+0x45c/0x870 __schedule+0x88a/0x2190 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 __mutex_lock+0xa3/0x1480 __do_sys_perf_event_open+0x1d13/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8cf7ab19 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:00007fde8a4f0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fde8d08df60 RCX: 00007fde8cf7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007fde8cfd4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7fd5a49f R14: 00007fde8a4f0300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 __perf_event_task_sched_in+0x5e4/0x770 finish_task_switch.isra.0+0x45c/0x870 __schedule+0x88a/0x2190 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 __mutex_lock+0xa3/0x1480 __do_sys_perf_event_open+0x1d13/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8cf7ab19 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:00007fde8a4f0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fde8d08df60 RCX: 00007fde8cf7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007fde8cfd4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7fd5a49f R14: 00007fde8a4f0300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 __perf_event_task_sched_in+0x5e4/0x770 finish_task_switch.isra.0+0x45c/0x870 __schedule+0x88a/0x2190 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 __mutex_lock+0xa3/0x1480 __do_sys_perf_event_open+0x1d13/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8cf7ab19 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:00007fde8a4f0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fde8d08df60 RCX: 00007fde8cf7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007fde8cfd4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7fd5a49f R14: 00007fde8a4f0300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 __perf_event_task_sched_in+0x5e4/0x770 finish_task_switch.isra.0+0x45c/0x870 __schedule+0x88a/0x2190 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 __mutex_lock+0xa3/0x1480 __do_sys_perf_event_open+0x1d13/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8cf7ab19 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:00007fde8a4f0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fde8d08df60 RCX: 00007fde8cf7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007fde8cfd4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7fd5a49f R14: 00007fde8a4f0300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 __perf_event_task_sched_in+0x5e4/0x770 finish_task_switch.isra.0+0x45c/0x870 __schedule+0x88a/0x2190 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 __mutex_lock+0xa3/0x1480 __do_sys_perf_event_open+0x1d13/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8cf7ab19 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:00007fde8a4f0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fde8d08df60 RCX: 00007fde8cf7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007fde8cfd4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7fd5a49f R14: 00007fde8a4f0300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 __perf_event_task_sched_in+0x5e4/0x770 finish_task_switch.isra.0+0x45c/0x870 __schedule+0x88a/0x2190 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 __mutex_lock+0xa3/0x1480 __do_sys_perf_event_open+0x1d13/0x3040 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fde8cf7ab19 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:00007fde8a4f0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fde8d08df60 RCX: 00007fde8cf7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200007c0 RBP: 00007fde8cfd4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7fd5a49f R14: 00007fde8a4f0300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 __perf_event_task_sched_in+0x5e4/0x770 finish_task_switch.isra.0+0x45c/0x870 __schedule+0x88a/0x2190 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 __mutex_lock+0xa3/0x1480 ---------------- 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 0b 64 42 00 callq 0x426423 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 f0 63 42 00 callq 0x426423 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