EXT4-fs (loop0): VFS: Can't find ext4 filesystem
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WARNING: CPU: 1 PID: 9937 at kernel/events/core.c:2045 perf_group_attach+0x396/0x450 kernel/events/core.c:2045
Modules linked in:
CPU: 1 PID: 9937 Comm: syz-executor.6 Not tainted 5.10.96 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:perf_group_attach+0x396/0x450 kernel/events/core.c:2045
Code: 48 c1 e8 03 42 80 3c 20 00 75 5f 48 8b 5b 10 48 83 eb 10 48 39 dd 75 d4 5b 5d 41 5c 41 5d 41 5e e9 5f eb f2 ff e8 5a eb f2 ff <0f> 0b e9 b1 fd ff ff 48 c7 c7 bc 42 47 85 e8 47 36 1e 00 e9 b9 fc
RSP: 0018:ffff88806cf09ef0 EFLAGS: 00010046
RAX: 0000000080010003 RBX: ffff888047525000 RCX: ffffffff814cb3bf
RDX: ffff88800e143280 RSI: ffffffff814cb686 RDI: ffff888047525218
RBP: ffff8880394c3000 R08: 0000000000000001 R09: ffffffff85e3604f
R10: 0000000000000000 R11: ffffffff85e3605b R12: ffff88803ee6b000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806cf3f748
FS: 000055555625f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f069e8e6710 CR3: 0000000038caa000 CR4: 0000000000350ee0
Call Trace:
add_event_to_ctx kernel/events/core.c:2688 [inline]
__perf_install_in_context+0x246/0x2d0 kernel/events/core.c:2839
remote_function kernel/events/core.c:88 [inline]
remote_function+0x11d/0x1a0 kernel/events/core.c:68
flush_smp_call_function_queue+0x1b4/0x5d0 kernel/smp.c:395
__sysvec_call_function_single+0x92/0x370 arch/x86/kernel/smp.c:248
asm_call_irq_on_stack+0x12/0x20
__run_sysvec_on_irqstack arch/x86/include/asm/irq_stack.h:37 [inline]
run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:89 [inline]
sysvec_call_function_single+0x7f/0xa0 arch/x86/kernel/smp.c:243
asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:643
RIP: 0010:_raw_spin_unlock_irq+0x27/0x30 kernel/locking/spinlock.c:200
Code: 44 00 00 55 48 8b 74 24 08 48 89 fd 48 8d 7f 18 e8 3e fd 47 fd 48 89 ef e8 26 b4 48 fd e8 61 37 67 fd fb 65 ff 0d a9 c4 23 7c <5d> c3 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 c7 18 53 48 89 f3 48
RSP: 0018:ffff888055b17790 EFLAGS: 00000282
RAX: 00000000000011e3 RBX: ffff88800e143280 RCX: 1ffffffff0cb3342
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83deaa8f
RBP: ffff88806cf3b200 R08: 0000000000000001 R09: ffffffff865556d7
R10: fffffbfff0caaada R11: 0000000000000001 R12: ffff88806cf3b200
R13: ffff888055cccbc0 R14: 0000000000000000 R15: 0000000000000000
finish_lock_switch kernel/sched/core.c:3530 [inline]
finish_task_switch+0x126/0x5d0 kernel/sched/core.c:3630
context_switch kernel/sched/core.c:3794 [inline]
__schedule+0x850/0x1e80 kernel/sched/core.c:4540
schedule+0xcb/0x270 kernel/sched/core.c:4618
schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4677
__mutex_lock_common kernel/locking/mutex.c:1047 [inline]
__mutex_lock+0x7c9/0x1250 kernel/locking/mutex.c:1109
perf_event_init_context kernel/events/core.c:12862 [inline]
perf_event_init_task+0x252/0x800 kernel/events/core.c:12937
copy_process+0x1721/0x66c0 kernel/fork.c:2079
kernel_clone+0xe7/0xa20 kernel/fork.c:2467
__do_sys_clone+0xc8/0x110 kernel/fork.c:2584
do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fcd25594f41
Code: 48 85 ff 74 3d 48 85 f6 74 38 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 7c 13 74 01 c3 31 ed 58 5f ff d0 48 89 c7 b8 3c 00 00 00
RSP: 002b:00007fff9a79b138 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fcd22a85700 RCX: 00007fcd25594f41
RDX: 00007fcd22a859d0 RSI: 00007fcd22a852f0 RDI: 00000000003d0f00
RBP: 00007fff9a79b370 R08: 00007fcd22a85700 R09: 00007fcd22a85700
R10: 00007fcd22a859d0 R11: 0000000000000206 R12: 00007fff9a79b1ee
R13: 00007fff9a79b1ef R14: 00007fcd22a85300 R15: 0000000000022000
irq event stamp: 4580
hardirqs last enabled at (4579): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
hardirqs last enabled at (4579): [] _raw_spin_unlock_irq+0x1f/0x30 kernel/locking/spinlock.c:199
hardirqs last disabled at (4580): [] sysvec_call_function_single+0xb/0xa0 arch/x86/kernel/smp.c:243
softirqs last enabled at (4562): [] memcpy include/linux/string.h:399 [inline]
softirqs last enabled at (4562): [] fpu__copy+0x173/0x550 arch/x86/kernel/fpu/core.c:241
softirqs last disabled at (4560): [] fpu__copy+0xa1/0x550 arch/x86/kernel/fpu/core.c:229
---[ end trace 8e38a9f63fa6d38f ]---
======================================================
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Code disassembly (best guess):
0: 44 00 00 add %r8b,(%rax)
3: 55 push %rbp
4: 48 8b 74 24 08 mov 0x8(%rsp),%rsi
9: 48 89 fd mov %rdi,%rbp
c: 48 8d 7f 18 lea 0x18(%rdi),%rdi
10: e8 3e fd 47 fd callq 0xfd47fd53
15: 48 89 ef mov %rbp,%rdi
18: e8 26 b4 48 fd callq 0xfd48b443
1d: e8 61 37 67 fd callq 0xfd673783
22: fb sti
23: 65 ff 0d a9 c4 23 7c decl %gs:0x7c23c4a9(%rip) # 0x7c23c4d3
* 2a: 5d pop %rbp <-- trapping instruction
2b: c3 retq
2c: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
33: 55 push %rbp
34: 48 89 fd mov %rdi,%rbp
37: 48 83 c7 18 add $0x18,%rdi
3b: 53 push %rbx
3c: 48 89 f3 mov %rsi,%rbx
3f: 48 rex.W