kernel BUG in jfs_evict_inode

Status: upstream: reported C repro on 2023/04/07 20:28
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+a50115b4b5afe2f6041d@syzkaller.appspotmail.com
First crash: 1288d, last: 14h48m
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2023/10/21 upstream (ToT) 9c5d00cb7b6b C [report] kernel BUG in jfs_evict_inode
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in jfs_evict_inode prio:high jfs -1 syz, C inconclusive 109905 51m 1481d 0/29 upstream: reported C repro on 2022/09/26 17:05
linux-6.6 kernel BUG in jfs_evict_inode origin:upstream -1 syz, C 3373 15h13m 485d 0/2 upstream: reported C repro on 2025/06/19 16:21
linux-6.1 kernel BUG in jfs_evict_inode origin:upstream missing-backport -1 syz, C 11051 1h53m 1290d 0/3 upstream: reported C repro on 2023/04/06 06:29
▶ ▼ Fix bisection attempts (3)
Created Duration User Patch Repo Result
2024/01/14 09:46 0m bisect fix linux-5.15.y error job log
2023/12/14 18:38 58m bisect fix linux-5.15.y OK (0) job log log
2023/10/21 00:40 1h51m bisect fix linux-5.15.y OK (0) job log log

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/jfs/inode.c:175!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4302 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:jfs_evict_inode+0x420/0x430 fs/jfs/inode.c:175
Code: f2 fe e9 e8 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 9a 85 f2 fe e9 16 fe ff ff e8 e0 51 ad fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 57 41 56 41 54
RSP: 0018:ffffc9000313fb88 EFLAGS: 00010293
RAX: ffffffff82cbc2c0 RBX: ffff88805b993bb0 RCX: ffff88801ead0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805b993bb0
RBP: 0000000000000001 R08: ffffffff901f1207 R09: 1ffffffff203e240
R10: dffffc0000000000 R11: fffffbfff203e241 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88805b993838 R15: ffff88805b993bd8
FS:  0000555592a0f500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555592a2aa38 CR3: 0000000022c08000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 evict+0x4b6/0x8b0 fs/inode.c:647
 dispose_list fs/inode.c:680 [inline]
 evict_inodes+0x650/0x6e0 fs/inode.c:734
 generic_shutdown_super+0x93/0x300 fs/super.c:454
 kill_block_super+0x7c/0xe0 fs/super.c:1438
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x426/0x4d0 fs/namespace.c:1148
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:184
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:217
 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:310
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd141011397
Code: a2 c7 05 5c 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fffd04a5bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fd1410a64bb RCX: 00007fd141011397
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffd04a5c80
RBP: 00007fffd04a5c80 R08: 00007fffd04a6c80 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffd04a6d10
R13: 00007fd1410a64bb R14: 0000000000013c68 R15: 00007fffd04a6d50
 </TASK>
Modules linked in:
---[ end trace c15a2f0684284981 ]---
RIP: 0010:jfs_evict_inode+0x420/0x430 fs/jfs/inode.c:175
Code: f2 fe e9 e8 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 9a 85 f2 fe e9 16 fe ff ff e8 e0 51 ad fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 57 41 56 41 54
RSP: 0018:ffffc9000313fb88 EFLAGS: 00010293
RAX: ffffffff82cbc2c0 RBX: ffff88805b993bb0 RCX: ffff88801ead0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805b993bb0
RBP: 0000000000000001 R08: ffffffff901f1207 R09: 1ffffffff203e240
R10: dffffc0000000000 R11: fffffbfff203e241 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88805b993838 R15: ffff88805b993bd8
FS:  0000555592a0f500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555592a2aa38 CR3: 0000000022c08000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (10095):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/28 06:48 linux-5.15.y 0248c33e835e a3c7249d .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/04/13 09:50 linux-5.15.y 91d48252ad4b 38c8e246 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/04/13 08:30 linux-5.15.y 91d48252ad4b 38c8e246 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2025/11/30 17:33 linux-5.15.y cc5ec8769306 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2025/10/13 03:11 linux-5.15.y 29e53a5b1c4f ff1712fe .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2025/09/20 02:09 linux-5.15.y 43bb85222e53 67c37560 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2025/05/21 11:28 linux-5.15.y a68c15152131 b47f9e02 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2025/05/21 07:05 linux-5.15.y a68c15152131 b47f9e02 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2025/05/21 04:57 linux-5.15.y a68c15152131 b47f9e02 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2024/12/24 21:42 linux-5.15.y 91786f140358 444551c4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2023/11/14 10:59 linux-5.15.y 80529b4968a8 cb976f63 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2023/07/15 21:43 linux-5.15.y d54cfc420586 35d9ecc5 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2025/07/19 22:45 linux-5.15.y c79648372d02 7117feec .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan-arm64 kernel BUG in jfs_evict_inode
2025/01/21 05:22 linux-5.15.y 4735586da88e 6e87cfa2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in jfs_evict_inode
2025/01/15 13:41 linux-5.15.y 4735586da88e 7315a7cf .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in jfs_evict_inode
2024/06/04 19:07 linux-5.15.y c61bd26ae81a 11f2afa5 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in jfs_evict_inode
2024/03/13 23:34 linux-5.15.y 574362648507 f919f202 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in jfs_evict_inode
2023/06/11 21:25 linux-5.15.y 7349e40704a0 49519f06 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in jfs_evict_inode
2026/07/23 22:27 linux-5.15.y c86c4726e7f0 71a13572 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2025/05/10 20:16 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro #1 (corrupt fs)] [mounted in repro #2] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2024/09/14 01:43 linux-5.15.y 3a5928702e71 b58f933c .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/17 02:02 linux-5.15.y 792fbe1537d8 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/16 14:51 linux-5.15.y 792fbe1537d8 4c840a2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/16 13:05 linux-5.15.y 792fbe1537d8 4c840a2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/15 23:48 linux-5.15.y 792fbe1537d8 3f2522c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/15 22:13 linux-5.15.y 792fbe1537d8 3f2522c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/15 17:30 linux-5.15.y 792fbe1537d8 8fb0ae89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/15 15:31 linux-5.15.y 792fbe1537d8 8fb0ae89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/15 05:11 linux-5.15.y a051a4bf909f 8fb0ae89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/15 03:42 linux-5.15.y a051a4bf909f 8fb0ae89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/15 03:33 linux-5.15.y a051a4bf909f 8fb0ae89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/15 00:34 linux-5.15.y a051a4bf909f 1a71827b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/14 17:31 linux-5.15.y a051a4bf909f 1a71827b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/14 14:18 linux-5.15.y a051a4bf909f 1a71827b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/14 13:53 linux-5.15.y a051a4bf909f 1a71827b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/14 05:07 linux-5.15.y a051a4bf909f 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/14 04:46 linux-5.15.y a051a4bf909f 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/14 01:56 linux-5.15.y a051a4bf909f 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/13 23:45 linux-5.15.y a051a4bf909f 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/13 11:47 linux-5.15.y a051a4bf909f 5a1eeac4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/13 11:41 linux-5.15.y a051a4bf909f 5a1eeac4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/13 09:56 linux-5.15.y a051a4bf909f 5a1eeac4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/12 22:11 linux-5.15.y a051a4bf909f 745a967f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/12 15:50 linux-5.15.y a051a4bf909f 745a967f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/12 09:30 linux-5.15.y a051a4bf909f 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/12 07:19 linux-5.15.y a051a4bf909f 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/12 02:20 linux-5.15.y a051a4bf909f 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/10 23:01 linux-5.15.y a051a4bf909f 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/09 20:07 linux-5.15.y a051a4bf909f 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/08 18:51 linux-5.15.y a051a4bf909f b2734a59 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/08 09:52 linux-5.15.y a051a4bf909f 4f6a9fcf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/08 09:52 linux-5.15.y a051a4bf909f 4f6a9fcf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/07 11:54 linux-5.15.y a051a4bf909f 6520ecdb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/06 01:56 linux-5.15.y a051a4bf909f f7710056 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/05 14:07 linux-5.15.y a051a4bf909f af63e995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/04 10:19 linux-5.15.y a051a4bf909f 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/04 10:16 linux-5.15.y a051a4bf909f 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/03 13:33 linux-5.15.y a051a4bf909f 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/02 21:37 linux-5.15.y 0248c33e835e 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/02 20:11 linux-5.15.y 0248c33e835e 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/02 14:08 linux-5.15.y 0248c33e835e 6d32eb1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/02 07:19 linux-5.15.y 0248c33e835e 6d32eb1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/02 03:59 linux-5.15.y 0248c33e835e 6d32eb1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/02 03:57 linux-5.15.y 0248c33e835e 6d32eb1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/01 17:17 linux-5.15.y 0248c33e835e f5cdae2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2026/10/01 03:53 linux-5.15.y 0248c33e835e 38f7f0d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in jfs_evict_inode
2025/08/27 20:00 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in jfs_evict_inode
2023/04/07 20:28 linux-5.15.y d86dfc4d95cd f7ba566d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in jfs_evict_inode
* Struck through repros no longer work on HEAD.