syzbot


kernel BUG in reiserfs_update_sd_size

Status: upstream: reported C repro on 2023/04/10 10:33
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+1d8952dadd354ddd7793@syzkaller.appspotmail.com
First crash: 614d, last: 2d21h
Fix bisection: failed (error log, bisect log)
  
Bug presence (3)
Date Name Commit Repro Result
2024/12/11 linux-5.15.y (ToT) 0a51d2d4527b C [report] kernel BUG in reiserfs_update_sd_size
2024/09/10 upstream (ToT) bc83b4d1f086 C [report] kernel BUG in reiserfs_update_sd_size
2024/12/11 upstream (ToT) f92f4749861b C Didn't crash
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 kernel BUG in reiserfs_update_sd_size reiserfs C 1 651d 719d 0/1 upstream: reported C repro on 2022/12/26 01:36
linux-4.19 kernel BUG at fs/reiserfs/journal.c:LINE! reiserfs C error 139 658d 1545d 0/1 upstream: reported C repro on 2020/09/21 00:32
upstream kernel BUG in reiserfs_update_sd_size reiserfs C error done 32 335d 723d 0/28 auto-obsoleted due to no activity on 2024/04/22 14:33
linux-6.1 kernel BUG in reiserfs_update_sd_size origin:upstream C 4 24d 544d 0/3 upstream: reported C repro on 2023/06/18 21:59
Last patch testing requests (4)
Created Duration User Patch Repo Result
2024/10/01 22:32 10m retest repro linux-5.15.y report log
2024/10/01 22:32 13m retest repro linux-5.15.y report log
2024/10/01 22:32 14m retest repro linux-5.15.y report log
2024/10/01 22:32 13m retest repro linux-5.15.y report log

Sample crash report:
REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
REISERFS (device loop0): checking transaction log (loop0)
REISERFS (device loop0): Using tea hash to sort names
REISERFS panic (device loop0): vs-13065 update_stat_data: key [1 2 0x0 SD], found item *3.5*[1 2 0(0) DIR], item_len 80, item_location 3972, free_space(entry_count) 3
------------[ cut here ]------------
kernel BUG at fs/reiserfs/prints.c:390!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3564 Comm: syz-executor147 Not tainted 5.15.166-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 80 61 9b 8a 48 0f 44 c8 48 0f 44 d8 48 c7 c7 40 62 9b 8a 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 e0 cf 98 96 e8 a6 95 24 08 <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4
RSP: 0018:ffffc90002dc7540 EFLAGS: 00010246
RAX: 00000000000000a6 RBX: ffffffff8a9b1700 RCX: 2410988efda06e00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90002dc7630 R08: ffffffff816689dc R09: fffff520005b8de9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8a9b1720
R13: ffffc90002dc7560 R14: ffffffff8c1c65a8 R15: ffff8880783686a8
FS:  000055558667b380(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055dd92136438 CR3: 000000007f030000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 update_stat_data fs/reiserfs/inode.c:1432 [inline]
 reiserfs_update_sd_size+0xfde/0x10b0 fs/reiserfs/inode.c:1505
 reiserfs_update_sd fs/reiserfs/reiserfs.h:3099 [inline]
 reiserfs_mkdir+0x758/0x8f0 fs/reiserfs/namei.c:877
 xattr_mkdir fs/reiserfs/xattr.c:76 [inline]
 create_privroot fs/reiserfs/xattr.c:889 [inline]
 reiserfs_xattr_init+0x348/0x730 fs/reiserfs/xattr.c:1012
 reiserfs_fill_super+0x226a/0x2690 fs/reiserfs/super.c:2179
 mount_bdev+0x2c9/0x3f0 fs/super.c:1398
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1528
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3005
 do_mount fs/namespace.c:3348 [inline]
 __do_sys_mount fs/namespace.c:3556 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3533
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd6954428fa
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:00007fffb569eb78 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fffb569eb90 RCX: 00007fd6954428fa
RDX: 0000000020001100 RSI: 0000000020001140 RDI: 00007fffb569eb90
RBP: 0000000000000004 R08: 00007fffb569ebd0 R09: 00000000000010e8
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
R13: 00007fffb569ebd0 R14: 0000000000000003 R15: 0000000000400000
 </TASK>
Modules linked in:
---[ end trace 1eb3ad2af3ed36bd ]---
RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 80 61 9b 8a 48 0f 44 c8 48 0f 44 d8 48 c7 c7 40 62 9b 8a 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 e0 cf 98 96 e8 a6 95 24 08 <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4
RSP: 0018:ffffc90002dc7540 EFLAGS: 00010246
RAX: 00000000000000a6 RBX: ffffffff8a9b1700 RCX: 2410988efda06e00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90002dc7630 R08: ffffffff816689dc R09: fffff520005b8de9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8a9b1720
R13: ffffc90002dc7560 R14: ffffffff8c1c65a8 R15: ffff8880783686a8
FS:  000055558667b380(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055dd92136438 CR3: 000000007f030000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/09 01:28 linux-5.15.y 14e468424d3e 9750182a .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in reiserfs_update_sd_size
2023/07/31 11:51 linux-5.15.y 09996673e313 2a0d0f29 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in reiserfs_update_sd_size
2024/05/13 03:20 linux-5.15.y 284087d4f7d5 9026e142 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in reiserfs_update_sd_size
2023/06/18 23:04 linux-5.15.y 471e639e59d1 f3921d4d .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in reiserfs_update_sd_size
2024/09/09 01:18 linux-5.15.y 14e468424d3e 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in reiserfs_update_sd_size
2023/09/05 00:41 linux-5.15.y 8f790700c974 db3306a6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in reiserfs_update_sd_size
2023/04/10 10:33 linux-5.15.y d86dfc4d95cd 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in reiserfs_update_sd_size
* Struck through repros no longer work on HEAD.