syzbot


WARNING in nilfs_dat_prepare_end

Status: upstream: reported C repro on 2023/03/09 23:37
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+325e6b0a1e7cf9035cc0@syzkaller.appspotmail.com
First crash: 633d, last: 283d
Fix commit to backport (bisect log) :
tree: upstream
commit 5124a0a549857c4b87173280e192eea24dea72ad
Author: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Date: Thu Jan 26 16:41:14 2023 +0000

  nilfs2: replace WARN_ONs for invalid DAT metadata block requests

[report pending]
  
Discussions (1)
Title Replies (including bot) Last reply
[PATCH 5.10/5.15/6.1 0/1] nilfs2: fix WARNING in nilfs_dat_prepare_end() 4 (4) 2024/02/20 14:09
Bug presence (1)
Date Name Commit Repro Result
2024/11/02 upstream (ToT) 11066801dd4b C [report] WARNING in mark_buffer_dirty
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in nilfs_dat_prepare_end nilfs2 C error 8 642d 785d 0/1 upstream: reported C repro on 2022/10/09 12:14
linux-6.1 WARNING in nilfs_dat_prepare_end origin:lts-only C done 754 284d 630d 0/3 upstream: reported C repro on 2023/03/13 20:57
upstream WARNING in nilfs_dat_prepare_end nilfs C error 288 637d 791d 22/28 fixed on 2023/06/08 14:41
linux-4.14 WARNING in nilfs_dat_prepare_end nilfs2 C 8 637d 784d 0/1 upstream: reported C repro on 2022/10/10 02:44
Last patch testing requests (8)
Created Duration User Patch Repo Result
2024/10/15 19:55 16m retest repro linux-5.15.y OK log
2024/10/15 19:55 17m retest repro linux-5.15.y OK log
2024/10/15 08:26 0m retest repro linux-5.15.y error
2024/10/07 11:36 17m retest repro linux-5.15.y OK log
2024/10/07 11:36 15m retest repro linux-5.15.y OK log
2024/10/07 11:36 17m retest repro linux-5.15.y OK log
2024/10/07 11:36 18m retest repro linux-5.15.y OK log
2024/10/07 11:36 15m retest repro linux-5.15.y OK log
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/12/09 04:12 5h13m fix candidate upstream OK (1) job log

Sample crash report:
loop0: detected capacity change from 0 to 2048
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3497 at fs/nilfs2/dat.c:158 nilfs_dat_prepare_end+0x248/0x2a0
Modules linked in:
CPU: 1 PID: 3497 Comm: syz-executor202 Not tainted 5.15.113-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:nilfs_dat_prepare_end+0x248/0x2a0 fs/nilfs2/dat.c:158
Code: 01 5c fe 89 eb 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 c7 01 5c fe e8 52 9f dc fd e9 5a ff ff ff e8 b8 01 5c fe <0f> 0b bb fe ff ff ff eb d2 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc90002bdf178 EFLAGS: 00010293
RAX: ffffffff8323e798 RBX: 00000000fffffffe RCX: ffff88807a4b3b80
RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 00000000fffffffe
RBP: 1ffff1100f2aaa63 R08: ffffffff8323e711 R09: ffffffff83221850
R10: 0000000000000002 R11: ffff88807a4b3b80 R12: ffff888079555318
R13: ffff888072870158 R14: ffff888079555330 R15: dffffc0000000000
FS:  0000555555d9f300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1aded211c0 CR3: 0000000020384000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_bmap_prepare_end_ptr fs/nilfs2/bmap.h:211 [inline]
 nilfs_btree_prepare_delete fs/nilfs2/btree.c:1451 [inline]
 nilfs_btree_delete+0x4be/0x11b0 fs/nilfs2/btree.c:1599
 nilfs_bmap_do_delete fs/nilfs2/bmap.c:184 [inline]
 nilfs_bmap_do_truncate fs/nilfs2/bmap.c:272 [inline]
 nilfs_bmap_truncate+0x2fc/0x560 fs/nilfs2/bmap.c:305
 nilfs_truncate_bmap+0x203/0x3c0 fs/nilfs2/inode.c:850
 nilfs_truncate+0x28b/0x500 fs/nilfs2/inode.c:880
 nilfs_setattr+0x216/0x2c0 fs/nilfs2/inode.c:994
 notify_change+0xd4d/0x1000 fs/attr.c:488
 do_truncate+0x21c/0x300 fs/open.c:65
 handle_truncate fs/namei.c:3195 [inline]
 do_open fs/namei.c:3542 [inline]
 path_openat+0x28a0/0x2f20 fs/namei.c:3672
 do_filp_open+0x21c/0x460 fs/namei.c:3699
 do_sys_openat2+0x13b/0x500 fs/open.c:1211
 do_sys_open fs/open.c:1227 [inline]
 __do_sys_openat fs/open.c:1243 [inline]
 __se_sys_openat fs/open.c:1238 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1238
 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+0x61/0xcb
RIP: 0033:0x7f1aded477b9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdd11c9ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1aded477b9
RDX: 0000000000000600 RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 00007f1aded07050 R08: 0000000000000a1f R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1aded070e0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>

Crashes (842):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/05/29 08:57 linux-5.15.y 1fe619a7d252 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2024/02/22 10:50 linux-5.15.y 6139f2a02fe0 345111b5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2024/02/20 22:31 linux-5.15.y 6139f2a02fe0 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2024/02/19 20:04 linux-5.15.y 6139f2a02fe0 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2024/02/19 05:43 linux-5.15.y 6139f2a02fe0 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2024/02/15 20:16 linux-5.15.y 6139f2a02fe0 fd39cf6f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2024/02/13 01:08 linux-5.15.y 6139f2a02fe0 77b23aa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2024/02/12 23:44 linux-5.15.y 6139f2a02fe0 77b23aa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2024/02/10 14:23 linux-5.15.y 6139f2a02fe0 77b23aa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2024/02/08 02:02 linux-5.15.y 6139f2a02fe0 6404acf9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2023/12/17 00:04 linux-5.15.y d0fc081c6241 3222d10c .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2023/09/07 19:34 linux-5.15.y aff03380bda4 72324844 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2023/05/30 11:06 linux-5.15.y 1fe619a7d252 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2023/05/29 16:56 linux-5.15.y 1fe619a7d252 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2023/05/05 08:12 linux-5.15.y 8a7f2a5c5aa1 518a39a6 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in nilfs_dat_prepare_end
2024/02/22 22:05 linux-5.15.y 6139f2a02fe0 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/22 18:05 linux-5.15.y 6139f2a02fe0 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/22 00:09 linux-5.15.y 6139f2a02fe0 345111b5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/21 21:12 linux-5.15.y 6139f2a02fe0 345111b5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/21 18:15 linux-5.15.y 6139f2a02fe0 345111b5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/20 18:18 linux-5.15.y 6139f2a02fe0 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/19 18:27 linux-5.15.y 6139f2a02fe0 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/19 16:43 linux-5.15.y 6139f2a02fe0 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/17 06:49 linux-5.15.y 6139f2a02fe0 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/16 08:04 linux-5.15.y 6139f2a02fe0 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/16 01:05 linux-5.15.y 6139f2a02fe0 fd39cf6f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/15 19:20 linux-5.15.y 6139f2a02fe0 fd39cf6f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/15 16:30 linux-5.15.y 6139f2a02fe0 fd39cf6f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/15 14:19 linux-5.15.y 6139f2a02fe0 fd39cf6f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/15 00:19 linux-5.15.y 6139f2a02fe0 d9b1cdd5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/14 22:28 linux-5.15.y 6139f2a02fe0 d9b1cdd5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/14 20:45 linux-5.15.y 6139f2a02fe0 d9b1cdd5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/14 17:50 linux-5.15.y 6139f2a02fe0 d9b1cdd5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/14 10:23 linux-5.15.y 6139f2a02fe0 d902085f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/14 05:40 linux-5.15.y 6139f2a02fe0 d902085f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/13 18:09 linux-5.15.y 6139f2a02fe0 e66542d7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/13 14:09 linux-5.15.y 6139f2a02fe0 e66542d7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/13 09:10 linux-5.15.y 6139f2a02fe0 77b23aa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/11 02:12 linux-5.15.y 6139f2a02fe0 77b23aa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/10 15:51 linux-5.15.y 6139f2a02fe0 77b23aa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/10 06:04 linux-5.15.y 6139f2a02fe0 77b23aa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/09 22:28 linux-5.15.y 6139f2a02fe0 77b23aa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/09 20:34 linux-5.15.y 6139f2a02fe0 77b23aa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/09 11:26 linux-5.15.y 6139f2a02fe0 7f07e9b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/08 21:12 linux-5.15.y 6139f2a02fe0 7f07e9b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/08 19:50 linux-5.15.y 6139f2a02fe0 7f07e9b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/08 18:08 linux-5.15.y 6139f2a02fe0 7f07e9b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/08 16:16 linux-5.15.y 6139f2a02fe0 7f07e9b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2024/02/08 03:42 linux-5.15.y 6139f2a02fe0 6404acf9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2023/05/10 00:33 linux-5.15.y 8a7f2a5c5aa1 30aa2a7e .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2023/05/05 14:26 linux-5.15.y 8a7f2a5c5aa1 518a39a6 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
2023/03/09 23:37 linux-5.15.y d9b4a0c83a2d f08b59ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in nilfs_dat_prepare_end
* Struck through repros no longer work on HEAD.