general protection fault, probably for non-canonical address 0xdffffc0000000011: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000088-0x000000000000008f]
CPU: 0 PID: 12521 Comm: syz.1.3568 Tainted: G        W         5.10.236-syzkaller-00012-gab07aeb2c93d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:inherit_group kernel/events/core.c:12908 [inline]
RIP: 0010:inherit_task_group+0x565/0x650 kernel/events/core.c:12952
Code: 81 c3 8c 00 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 92 00 00 00 8b 1b 49 81 c4 8c 00 00 00 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 92 00 00 00 41 89 1c 24 45 31 e4 44 89
RSP: 0018:ffffc9000154fa20 EFLAGS: 00010207
RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffff88811a658000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888117ccf890
RBP: ffffc9000154fa98 R08: dffffc0000000000 R09: ffffed103ee0ae72
R10: ffffed103ee0ae72 R11: 1ffff1103ee0ae71 R12: 000000000000008c
R13: ffffc9000154fafc R14: ffff888117ccf810 R15: dffffc0000000000
FS:  00007f092620a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0926209ff8 CR3: 000000010a859000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 perf_event_init_context kernel/events/core.c:13019 [inline]
 perf_event_init_task+0x250/0x4a0 kernel/events/core.c:13071
 copy_process+0x1038/0x3310 kernel/fork.c:2157
 kernel_clone+0x23f/0x940 kernel/fork.c:2574
 __do_sys_clone kernel/fork.c:2700 [inline]
 __se_sys_clone kernel/fork.c:2684 [inline]
 __x64_sys_clone+0x176/0x1d0 kernel/fork.c:2684
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f0927bc2969
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0926209fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f0927dea080 RCX: 00007f0927bc2969
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000040400
RBP: 00007f0927c44ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0927dea080 R15: 00007fffc589ea08
Modules linked in:
---[ end trace 583b6e748a98306a ]---
RIP: 0010:inherit_group kernel/events/core.c:12908 [inline]
RIP: 0010:inherit_task_group+0x565/0x650 kernel/events/core.c:12952
Code: 81 c3 8c 00 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 92 00 00 00 8b 1b 49 81 c4 8c 00 00 00 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 92 00 00 00 41 89 1c 24 45 31 e4 44 89
RSP: 0018:ffffc9000154fa20 EFLAGS: 00010207
RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffff88811a658000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888117ccf890
RBP: ffffc9000154fa98 R08: dffffc0000000000 R09: ffffed103ee0ae72
R10: ffffed103ee0ae72 R11: 1ffff1103ee0ae71 R12: 000000000000008c
R13: ffffc9000154fafc R14: ffff888117ccf810 R15: dffffc0000000000
FS:  00007f092620a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2ce21e CR3: 000000010a859000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	81 c3 8c 00 00 00    	add    $0x8c,%ebx
   6:	48 89 d8             	mov    %rbx,%rax
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax
  12:	84 c0                	test   %al,%al
  14:	0f 85 92 00 00 00    	jne    0xac
  1a:	8b 1b                	mov    (%rbx),%ebx
  1c:	49 81 c4 8c 00 00 00 	add    $0x8c,%r12
  23:	4c 89 e0             	mov    %r12,%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 92 00 00 00    	jne    0xc9
  37:	41 89 1c 24          	mov    %ebx,(%r12)
  3b:	45 31 e4             	xor    %r12d,%r12d
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89