syzbot


kernel BUG in ocfs2_dio_wr_get_block

Status: upstream: reported on 2024/09/12 09:36
Subsystems: ocfs2
[Documentation on labels]
Reported-by: syzbot+f8b081be889b639423bb@syzkaller.appspotmail.com
First crash: 155d, last: 18h07m
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [ocfs2?] kernel BUG in ocfs2_dio_wr_get_block 0 (1) 2024/09/12 09:36

Sample crash report:
loop0: detected capacity change from 0 to 32768
loop0: detected capacity change from 0 to 32768
=======================================================
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode.
(syz.0.0,5325,0):__ocfs2_journal_access:705 ERROR: Error -30 getting 1 access to buffer!
(syz.0.0,5325,0):ocfs2_write_end_nolock:1949 ERROR: status = -30
(syz.0.0,5325,0):ocfs2_commit_trans:382 ERROR: status = -5
------------[ cut here ]------------
kernel BUG at fs/ocfs2/aops.c:2259!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted 6.14.0-rc2-syzkaller-00041-g4dc1d1bec898 #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_dio_wr_get_block+0x18bd/0x18d0 fs/ocfs2/aops.c:2259
Code: e2 8e 4c 89 f2 e8 e3 84 72 01 e9 3a f6 ff ff e8 79 57 47 08 e8 b4 ce 10 fe 90 0f 0b e8 ac ce 10 fe 90 0f 0b e8 a4 ce 10 fe 90 <0f> 0b e8 9c ce 10 fe 90 0f 0b 66 0f 1f 84 00 00 00 00 00 90 90 90
RSP: 0018:ffffc9000d296cc0 EFLAGS: 00010287
RAX: ffffffff83ae80fc RBX: 0000000000001000 RCX: 0000000000100000
RDX: ffffc9000ebda000 RSI: 00000000000eb594 RDI: 00000000000eb595
RBP: ffffc9000d296eb0 R08: ffffffff83ae7b9b R09: 1ffffffff285f729
R10: dffffc0000000000 R11: fffffbfff285f72a R12: 1ffff110085aad0d
R13: dffffc0000000000 R14: 00000000ffffffe2 R15: ffff888000e32a50
FS:  00007f3a9bfc16c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3a9bf3cfe0 CR3: 0000000040a42000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 get_more_blocks fs/direct-io.c:648 [inline]
 do_direct_IO fs/direct-io.c:936 [inline]
 __blockdev_direct_IO+0x1c87/0x4890 fs/direct-io.c:1243
 ocfs2_direct_IO+0x255/0x2c0 fs/ocfs2/aops.c:2445
 generic_file_direct_write+0x1e6/0x400 mm/filemap.c:4112
 __generic_file_write_iter+0x126/0x230 mm/filemap.c:4276
 ocfs2_file_write_iter+0x19af/0x2180 fs/ocfs2/file.c:2469
 iter_file_splice_write+0xbfa/0x1510 fs/splice.c:743
 do_splice_from fs/splice.c:941 [inline]
 direct_splice_actor+0x11b/0x220 fs/splice.c:1164
 splice_direct_to_actor+0x586/0xc80 fs/splice.c:1108
 do_splice_direct_actor fs/splice.c:1207 [inline]
 do_splice_direct+0x289/0x3e0 fs/splice.c:1233
 do_sendfile+0x564/0x8a0 fs/read_write.c:1363
 __do_sys_sendfile64 fs/read_write.c:1424 [inline]
 __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1410
 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: 0033:0x7f3a9b18cde9
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:00007f3a9bfc1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f3a9b3a5fa0 RCX: 00007f3a9b18cde9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004
RBP: 00007f3a9b20e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000800000009 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f3a9b3a5fa0 R15: 00007fff6f09e638
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_dio_wr_get_block+0x18bd/0x18d0 fs/ocfs2/aops.c:2259
Code: e2 8e 4c 89 f2 e8 e3 84 72 01 e9 3a f6 ff ff e8 79 57 47 08 e8 b4 ce 10 fe 90 0f 0b e8 ac ce 10 fe 90 0f 0b e8 a4 ce 10 fe 90 <0f> 0b e8 9c ce 10 fe 90 0f 0b 66 0f 1f 84 00 00 00 00 00 90 90 90
RSP: 0018:ffffc9000d296cc0 EFLAGS: 00010287
RAX: ffffffff83ae80fc RBX: 0000000000001000 RCX: 0000000000100000
RDX: ffffc9000ebda000 RSI: 00000000000eb594 RDI: 00000000000eb595
RBP: ffffc9000d296eb0 R08: ffffffff83ae7b9b R09: 1ffffffff285f729
R10: dffffc0000000000 R11: fffffbfff285f72a R12: 1ffff110085aad0d
R13: dffffc0000000000 R14: 00000000ffffffe2 R15: ffff888000e32a50
FS:  00007f3a9bfc16c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3a9bf3cfe0 CR3: 0000000040a42000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (58):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/02/13 15:40 upstream 4dc1d1bec898 7320a65f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/02/12 16:43 upstream 09fbf3d50205 b27c2402 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/02/12 13:59 upstream 09fbf3d50205 b27c2402 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/02/09 06:24 upstream 9946eaf552b1 ef44b750 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/02/07 12:33 upstream bb066fe812d6 a4f327c2 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/02/05 09:45 upstream 5c8c229261f1 5896748e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/02/02 22:00 upstream 69e858e0b8b2 568559e4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/31 01:18 upstream b4b0881156fb 4c6ac32f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/30 02:11 upstream 805ba04cb7cc afe4eff5 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/28 16:29 upstream 805ba04cb7cc ac37c1f8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/26 02:50 upstream 405057718a1f 9fbd772e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/22 08:39 upstream c4b9570cfb63 da72ac06 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/20 00:17 upstream 9528d418de4d f2cb035c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/19 11:09 upstream fda5e3f28400 f2cb035c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/18 22:31 upstream 595523945be0 f2cb035c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/18 07:23 upstream ad26fc09dabf f2cb035c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/16 22:01 upstream ce69b4019001 f9e07a6e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/16 22:01 upstream ce69b4019001 f9e07a6e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/16 05:20 upstream 619f0b6fad52 968edaf4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/13 01:05 upstream be548645527a 6dbc6a9b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/12 22:27 upstream be548645527a 6dbc6a9b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/04 11:45 upstream 63676eefb7a0 f3558dbf .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/03 16:36 upstream 0bc21e701a6f 96d578a3 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2025/01/02 03:15 upstream 56e6a3499e14 d3ccff63 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/31 14:08 upstream ccb98ccef0e5 d3ccff63 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/31 13:54 upstream ccb98ccef0e5 d3ccff63 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/31 13:43 upstream ccb98ccef0e5 d3ccff63 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/29 03:18 upstream 059dd502b263 d3ccff63 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/26 14:34 upstream 9b2ffa6148b1 d3ccff63 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/25 06:04 upstream 9b2ffa6148b1 444551c4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/25 05:06 upstream 9b2ffa6148b1 444551c4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/24 16:46 upstream f07044dd0df0 444551c4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/24 16:39 upstream f07044dd0df0 444551c4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/17 23:29 upstream 59dbb9d81adf bc1a1b50 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/17 22:15 upstream 59dbb9d81adf bc1a1b50 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/17 01:30 upstream f44d154d6e3d f93b2b55 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/15 22:42 upstream dccbe2047a5b 7cbfbb3a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/15 05:43 upstream 2d8308bf5b67 7cbfbb3a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/06 15:53 upstream b8f52214c61a 9ac0fdc6 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/12/04 02:55 upstream ceb8bf2ceaa7 b50eb251 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/11/27 01:29 upstream 445d9f05fa14 52b38cc1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/11/24 06:54 upstream 9f16d5e6f220 68da6d95 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/11/23 02:10 upstream 06afb0f36106 68da6d95 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/11/22 01:59 upstream 43fb83c17ba2 4b25d554 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/11/17 16:21 upstream 4a5df3796467 cfe3a04a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/11/17 16:18 upstream 4a5df3796467 cfe3a04a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/11/15 23:18 upstream f868cd251776 eeafb645 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/11/13 15:19 upstream f1b785f4c787 4dfba277 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/11/12 00:59 upstream 2d5404caa8c7 75bb1b32 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/11/03 08:59 upstream 3e5e6c9900c3 f00eed24 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/11/02 01:15 upstream 6c52d4da1c74 f00eed24 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/10/30 08:21 upstream c1e939a21eb1 66aeb999 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/10/30 08:20 upstream c1e939a21eb1 66aeb999 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/10/27 19:18 upstream 850925a8133c 65e8686b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/09/12 16:25 upstream 77f587896757 60e1a995 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
2024/09/11 16:06 upstream 8d8d276ba2fb ede7a22c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in ocfs2_dio_wr_get_block
* Struck through repros no longer work on HEAD.