Oops: general protection fault, probably for non-canonical address 0xdffffc0185dc4e5b: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: probably user-memory-access in range [0x0000000c2ee272d8-0x0000000c2ee272df]
CPU: 0 UID: 0 PID: 6250 Comm: syz.4.52 Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:smk_of_inode security/smack/smack.h:385 [inline]
RIP: 0010:smack_inode_permission+0x2bf/0x380 security/smack/smack_lsm.c:1234
Code: 49 83 c7 38 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 b2 db 90 fd 4c 63 35 57 09 bc 09 4d 03 37 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 93 db 90 fd 49 8b 3e 8b 74 24 14 4c
RSP: 0018:ffffc90004fb78c0 EFLAGS: 00010202
RAX: 0000000185dc4e5b RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90004fb7908
RBP: ffffc90004fb79c8 R08: ffffc90004fb7947 R09: 0000000000000000
R10: ffffc90004fb7928 R11: fffff520009f6f29 R12: 1ffff920009f6f1c
R13: ffffc90004fb7900 R14: 0000000c2ee272d8 R15: ffff888059a0b280
FS: 00007fb0a90e66c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000f00 CR3: 000000005c004000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
security_inode_permission+0x101/0x320 security/security.c:2319
may_lookup fs/namei.c:1834 [inline]
link_path_walk+0x891/0xea0 fs/namei.c:2425
path_parentat fs/namei.c:2681 [inline]
__filename_parentat+0x2a7/0x740 fs/namei.c:2705
filename_parentat fs/namei.c:2723 [inline]
filename_create+0xf6/0x540 fs/namei.c:4061
do_mkdirat+0xbd/0x3a0 fs/namei.c:4326
__do_sys_mkdirat fs/namei.c:4349 [inline]
__se_sys_mkdirat fs/namei.c:4347 [inline]
__x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4347
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb0a8384597
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 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:00007fb0a90e5e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fb0a90e5ef0 RCX: 00007fb0a8384597
RDX: 00000000000001ff RSI: 0000000020000f00 RDI: 00000000ffffff9c
RBP: 0000000020003a40 R08: 0000000020000000 R09: 0000000000000000
R10: 0000000020003a40 R11: 0000000000000246 R12: 0000000020000f00
R13: 00007fb0a90e5eb0 R14: 0000000000000000 R15: 0000000020000080
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:smk_of_inode security/smack/smack.h:385 [inline]
RIP: 0010:smack_inode_permission+0x2bf/0x380 security/smack/smack_lsm.c:1234
Code: 49 83 c7 38 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 b2 db 90 fd 4c 63 35 57 09 bc 09 4d 03 37 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 93 db 90 fd 49 8b 3e 8b 74 24 14 4c
RSP: 0018:ffffc90004fb78c0 EFLAGS: 00010202
RAX: 0000000185dc4e5b RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90004fb7908
RBP: ffffc90004fb79c8 R08: ffffc90004fb7947 R09: 0000000000000000
R10: ffffc90004fb7928 R11: fffff520009f6f29 R12: 1ffff920009f6f1c
R13: ffffc90004fb7900 R14: 0000000c2ee272d8 R15: ffff888059a0b280
FS: 00007fb0a90e66c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005608a93d2950 CR3: 000000005c004000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 49 83 c7 38 add $0x38,%r15
4: 4c 89 f8 mov %r15,%rax
7: 48 c1 e8 03 shr $0x3,%rax
b: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1)
f: 74 08 je 0x19
11: 4c 89 ff mov %r15,%rdi
14: e8 b2 db 90 fd call 0xfd90dbcb
19: 4c 63 35 57 09 bc 09 movslq 0x9bc0957(%rip),%r14 # 0x9bc0977
20: 4d 03 37 add (%r15),%r14
23: 4c 89 f0 mov %r14,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) <-- trapping instruction
2e: 74 08 je 0x38
30: 4c 89 f7 mov %r14,%rdi
33: e8 93 db 90 fd call 0xfd90dbcb
38: 49 8b 3e mov (%r14),%rdi
3b: 8b 74 24 14 mov 0x14(%rsp),%esi
3f: 4c rex.WR