syzbot


kernel BUG in ocfs2_iget

Status: upstream: reported C repro on 2024/08/15 10:47
Subsystems: ocfs2
[Documentation on labels]
Reported-by: syzbot+5bdd4953bc58c8fbd6eb@syzkaller.appspotmail.com
First crash: 28d, last: 8h54m
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [ocfs2?] kernel BUG in ocfs2_iget 0 (8) 2024/08/16 09:11
Last patch testing requests (7)
Created Duration User Patch Repo Result
2024/08/16 09:11 21m lizhi.xu@windriver.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git d07b43284ab3 error
2024/08/16 08:08 13m lizhi.xu@windriver.com upstream report log
2024/08/16 07:23 20m lizhi.xu@windriver.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git d07b43284ab3 error
2024/08/16 06:54 20m lizhi.xu@windriver.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git d07b43284ab3 error
2024/08/16 06:18 4m lizhi.xu@windriver.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git d07b43284ab3 error
2024/08/16 05:49 16m lizhi.xu@windriver.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git d07b43284ab3 report log
2024/08/16 03:26 14m lizhi.xu@windriver.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git d07b43284ab3 report log

Sample crash report:
(syz-executor200,5094,0):ocfs2_read_locked_inode:536 ERROR: bug expression: !!(fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL)) != !!(args->fi_flags & OCFS2_FI_FLAG_SYSFILE)
(syz-executor200,5094,0):ocfs2_read_locked_inode:536 ERROR: Inode 17: system file state is ambiguous
------------[ cut here ]------------
kernel BUG at fs/ocfs2/inode.c:536!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5094 Comm: syz-executor200 Not tainted 6.11.0-rc3-syzkaller-00060-gd07b43284ab3 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ocfs2_read_locked_inode fs/ocfs2/inode.c:533 [inline]
RIP: 0010:ocfs2_iget+0x202b/0x2120 fs/ocfs2/inode.c:159
Code: 00 e8 59 8b 75 fe 4c 8b 84 24 c0 01 00 00 4c 89 f7 48 c7 c6 e8 bd 0b 8e ba 18 02 00 00 48 c7 c1 00 00 49 8c e8 06 c9 16 00 90 <0f> 0b e8 de 45 0e fe 90 0f 0b e8 d6 45 0e fe 31 db 65 ff 0d a5 93
RSP: 0018:ffffc9000b0aefe0 EFLAGS: 00010246
RAX: 64c5852747dade00 RBX: ffffc9000b0af140 RCX: 64c5852747dade00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000b0af270 R08: ffffffff8174024c R09: 1ffff1100410519a
R10: dffffc0000000000 R11: ffffed100410519b R12: ffff8880154ea200
R13: dffffc0000000000 R14: ffffc9000b0af160 R15: 1000000000000000
FS:  00005555677bf380(0000) GS:ffff888020800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a9ee203e78 CR3: 000000003680c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_init_global_system_inodes+0xc6/0x730 fs/ocfs2/super.c:437
 ocfs2_initialize_super fs/ocfs2/super.c:2250 [inline]
 ocfs2_fill_super+0x3068/0x5880 fs/ocfs2/super.c:994
 mount_bdev+0x20a/0x2d0 fs/super.c:1679
 legacy_get_tree+0xee/0x190 fs/fs_context.c:662
 vfs_get_tree+0x90/0x2a0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3472
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
 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: 0033:0x7f2d27572dea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fff1e6e9398 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fff1e6e93b0 RCX: 00007f2d27572dea
RDX: 0000000020004480 RSI: 00000000200044c0 RDI: 00007fff1e6e93b0
RBP: 0000000000000004 R08: 00007fff1e6e93f0 R09: 000000000000447b
R10: 0000000002800400 R11: 0000000000000282 R12: 0000000002800400
R13: 00007fff1e6e93f0 R14: 0000000000000003 R15: 0000000001000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_read_locked_inode fs/ocfs2/inode.c:533 [inline]
RIP: 0010:ocfs2_iget+0x202b/0x2120 fs/ocfs2/inode.c:159
Code: 00 e8 59 8b 75 fe 4c 8b 84 24 c0 01 00 00 4c 89 f7 48 c7 c6 e8 bd 0b 8e ba 18 02 00 00 48 c7 c1 00 00 49 8c e8 06 c9 16 00 90 <0f> 0b e8 de 45 0e fe 90 0f 0b e8 d6 45 0e fe 31 db 65 ff 0d a5 93
RSP: 0018:ffffc9000b0aefe0 EFLAGS: 00010246
RAX: 64c5852747dade00 RBX: ffffc9000b0af140 RCX: 64c5852747dade00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000b0af270 R08: ffffffff8174024c R09: 1ffff1100410519a
R10: dffffc0000000000 R11: ffffed100410519b R12: ffff8880154ea200
R13: dffffc0000000000 R14: ffffc9000b0af160 R15: 1000000000000000
FS:  00005555677bf380(0000) GS:ffff888020800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a9ee203e78 CR3: 000000003680c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (27):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/08/15 08:46 upstream d07b43284ab3 e4bacdaf .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/08/15 08:27 upstream d07b43284ab3 e4bacdaf .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/09/12 04:58 upstream 7c6a3a65ace7 d94c83d8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/09/12 04:19 upstream 7c6a3a65ace7 d94c83d8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/09/11 22:29 upstream 7c6a3a65ace7 ede7a22c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/09/10 09:02 upstream bc83b4d1f086 784df80e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/09/08 11:32 upstream d1f2d51b711a 9750182a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/09/07 08:49 upstream b31c44928842 9750182a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/09/06 18:48 upstream b831f83e40a2 ce70880a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/09/06 15:40 upstream b831f83e40a2 ce70880a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/09/04 13:35 upstream 88fac17500f4 9d47f20a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/09/02 08:37 upstream 67784a74e258 1eda0d14 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/09/02 08:15 upstream 67784a74e258 1eda0d14 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/09/01 18:25 upstream 431c1646e1f8 1eda0d14 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/09/01 08:03 upstream 6cd90e5ea72f 1eda0d14 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/08/30 15:53 upstream 20371ba12063 db150e23 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/08/21 04:46 upstream 521b1e7f4cf0 9f0ab3fb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/08/20 10:00 upstream 6e4436539ae1 9f0ab3fb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/08/20 04:27 upstream b0da640826ba 9f0ab3fb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/08/19 19:48 upstream b0da640826ba 9f0ab3fb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/08/19 03:20 upstream 47ac09b91bef e1c76ab2 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/08/18 16:00 upstream c3f2d783a459 e1c76ab2 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/08/18 03:31 upstream df6cbc62cc9b e1c76ab2 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/08/16 12:21 upstream d7a5aa4b3c00 e1c76ab2 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/08/16 11:48 upstream d7a5aa4b3c00 e1c76ab2 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/08/15 17:40 upstream 1fb918967b56 e4bacdaf .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
2024/08/15 08:08 upstream d07b43284ab3 e4bacdaf .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_iget
* Struck through repros no longer work on HEAD.