syzbot
WARNING in hook_path_rename
Status:
auto-obsoleted due to no activity on 2025/03/22 08:01
Bug presence:
origin:upstream
[Documentation on labels]
Reported-by: syzbot+e26c000b9284837a3bc7@syzkaller.appspotmail.com
First crash: 656d, last: 627d
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Last patch testing requests (1)
Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4302 at security/landlock/fs.c:576 get_mode_access security/landlock/fs.c:558 [inline]
WARNING: CPU: 1 PID: 4302 at security/landlock/fs.c:576 hook_path_rename+0x242/0x340 security/landlock/fs.c:637
Modules linked in:
CPU: 1 PID: 4302 Comm: syz.0.17 Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:get_mode_access security/landlock/fs.c:576 [inline]
RIP: 0010:hook_path_rename+0x242/0x340 security/landlock/fs.c:637
Code: 48 c1 eb 0c bd 57 15 00 00 31 f6 0f a3 dd 40 0f 92 c6 31 ff e8 4f 54 a6 fd 0f a3 dd 72 12 e8 65 51 a6 fd eb 05 e8 5e 51 a6 fd <0f> 0b 31 c0 eb 24 e8 53 51 a6 fd 48 8d 9c 1b c0 c3 f4 8a 48 89 d8
RSP: 0000:ffffc900032c7bc8 EFLAGS: 00010283
RAX: ffffffff83da2242 RBX: 000000000000ffff RCX: 0000000000080000
RDX: ffffc90003dd3000 RSI: 0000000000009388 RDI: 0000000000009389
RBP: 0000000000000020 R08: ffffffff83da2210 R09: ffffed100c07583f
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888074a83380 R14: 0000000000000020 R15: ffff8880250b5500
FS: 00007f074190f6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c29daed CR3: 0000000075f62000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
security_path_rename+0x197/0x2a0 security/security.c:1199
do_renameat2+0x9b6/0x1700 fs/namei.c:4972
__do_sys_renameat2 fs/namei.c:5018 [inline]
__se_sys_renameat2 fs/namei.c:5015 [inline]
__x64_sys_renameat2+0xce/0xe0 fs/namei.c:5015
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: 0033:0x7f0743a99809
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:00007f074190f058 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007f0743c5efa0 RCX: 00007f0743a99809
RDX: ffffffffffffff9c RSI: 0000000020000780 RDI: ffffffffffffff9c
RBP: 00007f0743b0c93e R08: 0000000000000002 R09: 0000000000000000
R10: 00000000200007c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0743c5efa0 R15: 00007ffd840b3eb8
</TASK>
* Struck through repros no longer work on HEAD.