Hello,
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output:
https://syzkaller.appspot.com/x/log.txt?x=155e9bc7880000
kernel config:
https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link:
https://syzkaller.appspot.com/bug?extid=4acbb046a8632405ae80
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image:
https://storage.googleapis.com/syzbot-assets/98c0bdb4abb3/disk-3f8a27f9.raw.xz
vmlinux:
https://storage.googleapis.com/syzbot-assets/ea228ff02669/vmlinux-3f8a27f9.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by:
syzbot+4acbb0...@syzkaller.appspotmail.com
ntfs: (device loop5): check_windows_hibernation_status(): Failed to find inode number for hiberfil.sys.
ntfs: volume version 3.1.
ntfs: (device loop5): load_system_files(): Failed to determine if Windows is hibernated. Mounting read-only. Run chkdsk.
ntfs: (device loop5): ntfs_lookup(): ntfs_lookup_ino_by_name() failed with error code 16777149.
BUG: unable to handle kernel paging request at ffffffffff00009b
PGD 9e6e067 P4D 9e6e067 PUD 9e70067 PMD 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 9866 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:lookup_open+0x70a/0x1a20 fs/namei.c:3228
Code: 85 ed 0f 85 39 0f 00 00 e8 03 d1 bc ff 48 8b 54 24 20 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 b4 10 00 00 <48> 83 7d 58 00 0f 85 1c fc ff ff e8 d6 d0 bc ff 44 8b 6c 24 18 31
RSP: 0018:ffff88801410f9b8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88801410fce0 RCX: ffffc9000c279000
RDX: 1fffffffffe00013 RSI: ffffffff81a5b46d RDI: 0000000000000286
RBP: ffffffffff000043 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffe2
R13: ffffffffff000043 R14: ffff888090b04ec0 R15: ffff88801410fe90
FS: 00007f0bc0a0e700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff00009b CR3: 0000000040ff6000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
do_last fs/namei.c:3327 [inline]
path_openat+0x1094/0x2df0 fs/namei.c:3537
ubi0: detaching mtd0
do_filp_open+0x18c/0x3f0 fs/namei.c:3567
ubi0: mtd0 is detached
do_sys_open+0x3b3/0x520 fs/open.c:1085
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f0bc249c0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0bc0a0e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f0bc25bbf80 RCX: 00007f0bc249c0d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007f0bc24f7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd7155c21f R14: 00007f0bc0a0e300 R15: 0000000000022000
Modules linked in:
CR2: ffffffffff00009b
---[ end trace 2f568f04d4ddce1d ]---
RIP: 0010:lookup_open+0x70a/0x1a20 fs/namei.c:3228
Code: 85 ed 0f 85 39 0f 00 00 e8 03 d1 bc ff 48 8b 54 24 20 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 b4 10 00 00 <48> 83 7d 58 00 0f 85 1c fc ff ff e8 d6 d0 bc ff 44 8b 6c 24 18 31
RSP: 0018:ffff88801410f9b8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88801410fce0 RCX: ffffc9000c279000
RDX: 1fffffffffe00013 RSI: ffffffff81a5b46d RDI: 0000000000000286
RBP: ffffffffff000043 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffe2
R13: ffffffffff000043 R14: ffff888090b04ec0 R15: ffff88801410fe90
FS: 00007f0bc0a0e700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff00009b CR3: 0000000040ff6000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 85 ed test %ebp,%ebp
2: 0f 85 39 0f 00 00 jne 0xf41
8: e8 03 d1 bc ff callq 0xffbcd110
d: 48 8b 54 24 20 mov 0x20(%rsp),%rdx
12: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
19: fc ff df
1c: 48 c1 ea 03 shr $0x3,%rdx
20: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
24: 0f 85 b4 10 00 00 jne 0x10de
* 2a: 48 83 7d 58 00 cmpq $0x0,0x58(%rbp) <-- trapping instruction
2f: 0f 85 1c fc ff ff jne 0xfffffc51
35: e8 d6 d0 bc ff callq 0xffbcd110
3a: 44 8b 6c 24 18 mov 0x18(%rsp),%r13d
3f: 31 .byte 0x31
---
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