syzbot


kernel BUG in clear_inode (3)

Status: upstream: reported C repro on 2024/11/22 00:29
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+fd3c895d1c86f6104539@syzkaller.appspotmail.com
First crash: 29d, last: 12d
Bug presence (1)
Date Name Commit Repro Result
2024/11/22 upstream (ToT) 28eb75e178d3 C [report] kernel BUG in clear_inode
Similar bugs (6)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in clear_inode (2) jfs C inconclusive 625 1h42m 53d 0/28 upstream: reported C repro on 2024/10/28 16:33
linux-6.1 kernel BUG in clear_inode origin:upstream C inconclusive 18 14d 575d 0/3 upstream: reported C repro on 2023/05/25 23:24
linux-5.15 kernel BUG in clear_inode 1 600d 600d 0/3 auto-obsoleted due to no activity on 2023/08/23 09:07
linux-5.15 kernel BUG in clear_inode (2) 2 155d 234d 0/3 auto-obsoleted due to no activity on 2024/10/27 05:50
upstream kernel BUG in clear_inode btrfs C 12 62d 203d 28/28 fixed on 2024/10/22 11:57
upstream kernel BUG at fs/inode.c:LINE! (2) fs C done unreliable 322 228d 1576d 25/28 fixed on 2024/05/21 07:00

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/inode.c:567!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 275 Comm: jfsCommit Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:clear_inode+0x12a/0x150 fs/inode.c:567
Code: 0c bb a3 ff 43 80 7c 25 00 00 74 08 4c 89 f7 e8 bc 93 ed ff 49 c7 06 60 00 00 00 5b 41 5c 41 5d 41 5e 41 5f c3 e8 e6 ba a3 ff <0f> 0b e8 df ba a3 ff 0f 0b e8 d8 ba a3 ff 0f 0b e8 d1 ba a3 ff 0f
RSP: 0018:ffffc90002d27b08 EFLAGS: 00010093
RAX: ffffffff81dcb8ba RBX: 0000000000000001 RCX: ffff88801e355940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90002d27cb0 R08: ffffffff81dcb7e4 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88807053b4a0 R15: ffff88807053b270
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f10454850f8 CR3: 000000002b2aa000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 jfs_evict_inode+0xb1/0x440 fs/jfs/inode.c:166
 evict+0x529/0x930 fs/inode.c:622
 txUpdateMap+0x825/0x9e0 fs/jfs/jfs_txnmgr.c:2401
 txLazyCommit fs/jfs/jfs_txnmgr.c:2698 [inline]
 jfs_lazycommit+0x470/0xc30 fs/jfs/jfs_txnmgr.c:2766
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace 2f243313199e1cca ]---
RIP: 0010:clear_inode+0x12a/0x150 fs/inode.c:567
Code: 0c bb a3 ff 43 80 7c 25 00 00 74 08 4c 89 f7 e8 bc 93 ed ff 49 c7 06 60 00 00 00 5b 41 5c 41 5d 41 5e 41 5f c3 e8 e6 ba a3 ff <0f> 0b e8 df ba a3 ff 0f 0b e8 d8 ba a3 ff 0f 0b e8 d1 ba a3 ff 0f
RSP: 0018:ffffc90002d27b08 EFLAGS: 00010093
RAX: ffffffff81dcb8ba RBX: 0000000000000001 RCX: ffff88801e355940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90002d27cb0 R08: ffffffff81dcb7e4 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88807053b4a0 R15: ffff88807053b270
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f10454850f8 CR3: 000000002b2aa000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (12):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/22 20:19 linux-5.15.y 0a51d2d4527b 4b25d554 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in clear_inode
2024/11/22 18:50 linux-5.15.y 0a51d2d4527b 4b25d554 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in clear_inode
2024/11/22 16:58 linux-5.15.y 0a51d2d4527b 4b25d554 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in clear_inode
2024/11/22 14:58 linux-5.15.y 0a51d2d4527b 4b25d554 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in clear_inode
2024/11/22 13:49 linux-5.15.y 0a51d2d4527b 4b25d554 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in clear_inode
2024/11/22 03:09 linux-5.15.y 0a51d2d4527b 4b25d554 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in clear_inode
2024/11/28 17:51 linux-5.15.y 0a51d2d4527b 5df23865 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in clear_inode
2024/12/09 11:19 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in clear_inode
2024/12/07 02:24 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in clear_inode
2024/11/22 00:30 linux-5.15.y 0a51d2d4527b 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in clear_inode
2024/11/22 00:28 linux-5.15.y 0a51d2d4527b 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in clear_inode
2024/11/22 00:28 linux-5.15.y 0a51d2d4527b 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in clear_inode
* Struck through repros no longer work on HEAD.