general protection fault, probably for non-canonical address 0xdffffc0000000012: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000090-0x0000000000000097]
CPU: 0 PID: 3606 Comm: syz-executor351 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:kernfs_ino include/linux/kernfs.h:360 [inline]
RIP: 0010:kernfs_get_inode+0x2e/0x520 fs/kernfs/inode.c:254
Code: 41 56 41 55 41 54 49 89 fc 53 48 89 f3 e8 da a3 7d ff 48 8d bb 90 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 3a 04 00 00 48 8b b3 90 00 00 00 4c 89 e7 e8 c9
RSP: 0018:ffffc900040ffa30 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000012 RSI: ffffffff81fda666 RDI: 0000000000000090
RBP: ffffc900040ffa50 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000008c07d R12: ffff888021974000
R13: ffff888073148000 R14: ffff88807d73d880 R15: ffff888020b90000
FS: 00005555566b2300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000200 CR3: 000000007ecd3000 CR4: 0000000000350ef0
Call Trace:
<TASK>
cgroup_may_write+0x86/0x120 kernel/cgroup/cgroup.c:4957
cgroup_css_set_fork kernel/cgroup/cgroup.c:6257 [inline]
cgroup_can_fork+0x961/0xec0 kernel/cgroup/cgroup.c:6351
copy_process+0x4335/0x7110 kernel/fork.c:2358
kernel_clone+0xe7/0x8f0 kernel/fork.c:2672
__do_sys_clone3+0x1cd/0x2e0 kernel/fork.c:2964
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe6a0ae0e99
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 15 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd863c5248 EFLAGS: 00000206 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe6a0ae0e99
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00007ffd863c52c0
RBP: 0000000000000000 R08: 00007ffd863c50e0 R09: 00007ffd863c5270
R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd863c526c
R13: 00007ffd863c5280 R14: 00007ffd863c52c0 R15: 0000000000000000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:kernfs_ino include/linux/kernfs.h:360 [inline]
RIP: 0010:kernfs_get_inode+0x2e/0x520 fs/kernfs/inode.c:254
Code: 41 56 41 55 41 54 49 89 fc 53 48 89 f3 e8 da a3 7d ff 48 8d bb 90 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 3a 04 00 00 48 8b b3 90 00 00 00 4c 89 e7 e8 c9
RSP: 0018:ffffc900040ffa30 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000012 RSI: ffffffff81fda666 RDI: 0000000000000090
RBP: ffffc900040ffa50 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000008c07d R12: ffff888021974000
R13: ffff888073148000 R14: ffff88807d73d880 R15: ffff888020b90000
FS: 00005555566b2300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000200 CR3: 000000007ecd3000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
0: 41 56 push %r14
2: 41 55 push %r13
4: 41 54 push %r12
6: 49 89 fc mov %rdi,%r12
9: 53 push %rbx
a: 48 89 f3 mov %rsi,%rbx
d: e8 da a3 7d ff callq 0xff7da3ec
12: 48 8d bb 90 00 00 00 lea 0x90(%rbx),%rdi
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 48 89 fa mov %rdi,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 3a 04 00 00 jne 0x46e
34: 48 8b b3 90 00 00 00 mov 0x90(%rbx),%rsi
3b: 4c 89 e7 mov %r12,%rdi
3e: e8 .byte 0xe8
3f: c9 leaveq