general protection fault, probably for non-canonical address 0xdffffc0000000011: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000088-0x000000000000008f]
CPU: 1 PID: 960 Comm: syz-executor376 Not tainted 5.15.178-syzkaller-00034-g5e1b899f19c3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:inherit_group kernel/events/core.c:13245 [inline]
RIP: 0010:inherit_task_group+0x690/0x790 kernel/events/core.c:13292
Code: 8c 00 00 00 4c 89 e8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 a0 00 00 00 41 8b 5d 00 49 81 c6 8c 00 00 00 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 9f 00 00 00 41 89 1e e9 7d fa ff ff e8
RSP: 0018:ffffc90000b47968 EFLAGS: 00010207
RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffff888117bbcf00
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88810d9c4520
RBP: ffffc90000b479d0 R08: dffffc0000000000 R09: ffffed103ee27182
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000b47aa0
R13: ffff88810d9c451c R14: 000000000000008c R15: dffffc0000000000
FS: 00007f6b48ce36c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6b48d9d538 CR3: 0000000123db8000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
perf_event_init_context kernel/events/core.c:13344 [inline]
perf_event_init_task+0x26e/0x7a0 kernel/events/core.c:13414
copy_process+0xfdf/0x3290 kernel/fork.c:2237
kernel_clone+0x21e/0x9e0 kernel/fork.c:2661
__do_sys_clone kernel/fork.c:2787 [inline]
__se_sys_clone kernel/fork.c:2771 [inline]
__x64_sys_clone+0x23f/0x290 kernel/fork.c:2771
x64_sys_call+0x1b0/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:57
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6b48d46f09
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6b48ce3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6b48d46f09
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000ab009400
RBP: 00007f6b48dd23f0 R08: 0000000000000000 R09: 00007f6b48dd23f8
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6b48dd23fc
R13: 000000000000006e R14: 00007fff05016df0 R15: 00007fff05016ed8
</TASK>
Modules linked in:
---[ end trace 2db7a0340ff22b66 ]---
RIP: 0010:inherit_group kernel/events/core.c:13245 [inline]
RIP: 0010:inherit_task_group+0x690/0x790 kernel/events/core.c:13292
Code: 8c 00 00 00 4c 89 e8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 a0 00 00 00 41 8b 5d 00 49 81 c6 8c 00 00 00 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 9f 00 00 00 41 89 1e e9 7d fa ff ff e8
RSP: 0018:ffffc90000b47968 EFLAGS: 00010207
RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffff888117bbcf00
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88810d9c4520
RBP: ffffc90000b479d0 R08: dffffc0000000000 R09: ffffed103ee27182
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000b47aa0
R13: ffff88810d9c451c R14: 000000000000008c R15: dffffc0000000000
FS: 00007f6b48ce36c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002500 CR3: 0000000123db8000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 8c 00 mov %es,(%rax)
2: 00 00 add %al,(%rax)
4: 4c 89 e8 mov %r13,%rax
7: 48 c1 e8 03 shr $0x3,%rax
b: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax
10: 84 c0 test %al,%al
12: 0f 85 a0 00 00 00 jne 0xb8
18: 41 8b 5d 00 mov 0x0(%r13),%ebx
1c: 49 81 c6 8c 00 00 00 add $0x8c,%r14
23: 4c 89 f0 mov %r14,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 0f 85 9f 00 00 00 jne 0xd6
37: 41 89 1e mov %ebx,(%r14)
3a: e9 7d fa ff ff jmp 0xfffffabc
3f: e8 .byte 0xe8