syzbot


kernel BUG in reiserfs_cut_from_item

Status: upstream: reported C repro on 2023/01/06 19:16
Subsystems: reiserfs
[Documentation on labels]
Reported-by: syzbot+b2c969f18c4ab30419f9@syzkaller.appspotmail.com
First crash: 330d, last: 2d10h
Cause bisection: failed (error log, bisect log)
  
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [reiserfs?] kernel BUG in reiserfs_cut_from_item 0 (1) 2023/01/06 19:16
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 kernel BUG in reiserfs_cut_from_item origin:upstream C error 17 32d 172d 0/3 upstream: reported C repro on 2023/06/09 13:59
linux-6.1 kernel BUG in reiserfs_cut_from_item origin:upstream C 27 5d22h 195d 0/3 upstream: reported C repro on 2023/05/17 06:05
Last patch testing requests (2)
Created Duration User Patch Repo Result
2023/10/09 14:05 11m retest repro upstream report log
2023/10/06 09:32 1h43m retest repro linux-next error OK
Fix bisection attempts (4)
Created Duration User Patch Repo Result
2023/07/31 11:51 1h49m bisect fix upstream job log (0) log
2023/04/25 22:27 45m bisect fix upstream job log (0) log
2023/03/26 21:42 42m bisect fix upstream job log (0) log
2023/02/24 14:45 1h59m bisect fix upstream job log (0) log

Sample crash report:
1:  ".."           1              2              0              2              (VISIBLE)
-------------------------------------------------------------------------------
| 5| *3.6* [2 6 0x0 SD], item_len 44, item_location 340, free_space(entry_count) 65535 |
	mode | size | nlinks | first direct | mtime
	0100000 |     24 |  1 | 0 | 1672687496
===================================================================
REISERFS panic (device loop0): PAP-5580 reiserfs_cut_from_item: item to convert does not exist ([2 6 0x1 IND])
------------[ cut here ]------------
kernel BUG at fs/reiserfs/prints.c:390!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5065 Comm: syz-executor364 Not tainted 6.2.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:__reiserfs_panic+0x12f/0x140 fs/reiserfs/prints.c:390
Code: c0 50 03 8b 48 0f 44 c8 48 0f 44 d8 48 c7 c7 80 51 03 8b 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 40 46 16 92 31 c0 e8 01 ec 82 08 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41
RSP: 0018:ffffc90003c0f140 EFLAGS: 00010246
RAX: 000000000000006e RBX: ffffffff8b0376e0 RCX: bc42c5d171a4b400
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003c0f230 R08: ffffffff816f2c9d R09: fffff52000781de1
R10: fffff52000781de1 R11: 1ffff92000781de0 R12: ffffffff8b037700
R13: ffffc90003c0f160 R14: ffffffff8cc71f98 R15: ffff888079d1a6a8
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f2c5ae6c40 CR3: 0000000021dc5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 reiserfs_cut_from_item+0x219d/0x25b0 fs/reiserfs/stree.c:1729
 reiserfs_do_truncate+0x9d6/0x15a0 fs/reiserfs/stree.c:1973
 reiserfs_truncate_file+0x471/0x790 fs/reiserfs/inode.c:2310
 reiserfs_file_release+0x887/0xa30 fs/reiserfs/file.c:109
 __fput+0x3ba/0x880 fs/file_table.c:320
 task_work_run+0x243/0x300 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x644/0x2150 kernel/exit.c:867
 do_group_exit+0x1fd/0x2b0 kernel/exit.c:1012
 __do_sys_exit_group kernel/exit.c:1023 [inline]
 __se_sys_exit_group kernel/exit.c:1021 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1021
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6be3efd489
Code: Unable to access opcode bytes at 0x7f6be3efd45f.
RSP: 002b:00007ffec10dfdd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f6be3f72350 RCX: 00007f6be3efd489
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6be3f72350
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__reiserfs_panic+0x12f/0x140 fs/reiserfs/prints.c:390
Code: c0 50 03 8b 48 0f 44 c8 48 0f 44 d8 48 c7 c7 80 51 03 8b 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 40 46 16 92 31 c0 e8 01 ec 82 08 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41
RSP: 0018:ffffc90003c0f140 EFLAGS: 00010246
RAX: 000000000000006e RBX: ffffffff8b0376e0 RCX: bc42c5d171a4b400
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003c0f230 R08: ffffffff816f2c9d R09: fffff52000781de1
R10: fffff52000781de1 R11: 1ffff92000781de0 R12: ffffffff8b037700
R13: ffffc90003c0f160 R14: ffffffff8cc71f98 R15: ffff888079d1a6a8
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f2c5ae6c40 CR3: 0000000021dc5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (38):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/01/02 19:25 upstream 88603b6dc419 ab32d508 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in reiserfs_cut_from_item
2023/09/22 08:55 linux-next 940fcc189c51 0b6a67ac .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/11/26 16:23 upstream 090472ed9c92 5b429f39 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in reiserfs_cut_from_item
2023/11/24 05:27 upstream d3fa86b1a7b4 5b429f39 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/11/19 01:53 upstream 05aa69b096a0 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in reiserfs_cut_from_item
2023/11/17 11:00 upstream 7475e51b8796 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in reiserfs_cut_from_item
2023/11/08 20:59 upstream 305230142ae0 df3908d6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/11/08 05:28 upstream 13d88ac54ddd 83211397 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root kernel BUG in reiserfs_cut_from_item
2023/11/01 08:35 upstream 89ed67ef126c 69904c9f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/10/31 13:19 upstream 5a6a09e97199 58499c95 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root kernel BUG in reiserfs_cut_from_item
2023/10/26 14:24 upstream 611da07b89fd 23afc60f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in reiserfs_cut_from_item
2023/10/25 12:02 upstream 4f82870119a4 17e6d526 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root kernel BUG in reiserfs_cut_from_item
2023/10/22 12:08 upstream 1acfd2bd3f0d 361b23dc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/10/20 06:32 upstream ce55c22ec8b2 42e1d524 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in reiserfs_cut_from_item
2023/10/19 13:34 upstream dd72f9c7e512 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in reiserfs_cut_from_item
2023/10/16 18:17 upstream 58720809f527 6388bc36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in reiserfs_cut_from_item
2023/10/13 12:29 upstream ce583d5fb9d3 6388bc36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root kernel BUG in reiserfs_cut_from_item
2023/06/21 07:26 upstream 99ec1ed7c2ed 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in reiserfs_cut_from_item
2023/06/20 23:58 upstream 99ec1ed7c2ed 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in reiserfs_cut_from_item
2023/06/19 20:48 upstream 45a3e24f65e9 d521bc56 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in reiserfs_cut_from_item
2023/06/09 12:27 upstream 33f2b5785a2b 7086cdb9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in reiserfs_cut_from_item
2023/06/02 03:52 upstream 1874a42a7d74 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in reiserfs_cut_from_item
2023/05/23 01:03 upstream 421ca22e3138 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in reiserfs_cut_from_item
2023/05/22 12:01 upstream 44c026a73be8 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/01/25 00:26 upstream fb6e71db53f3 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in reiserfs_cut_from_item
2023/01/02 19:06 upstream 88603b6dc419 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in reiserfs_cut_from_item
2023/11/12 22:45 linux-next e27090b1413f 6d6dbf8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/10/31 01:55 linux-next c503e3eec382 b5729d82 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/10/29 15:26 linux-next 66f1e1ea3548 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/10/28 02:36 linux-next 66f1e1ea3548 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/10/26 09:39 linux-next 2ef7141596ee 72e794c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/10/23 11:34 linux-next e8361b005d7c 989a3687 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/09/22 07:27 linux-next 940fcc189c51 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/06/09 04:16 linux-next 715abedee4cd 7086cdb9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/06/01 10:45 linux-next 715abedee4cd babc4389 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/05/30 17:17 linux-next 715abedee4cd 8d5c7541 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/05/26 12:35 linux-next 715abedee4cd b40ef614 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in reiserfs_cut_from_item
2023/05/08 01:23 linux-next 83e5775d7afd 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in reiserfs_cut_from_item
* Struck through repros no longer work on HEAD.