kernel BUG in jfs_evict_inode

Status: upstream: reported C repro on 2023/04/06 06:29
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+21835cb68f88c9a4cec4@syzkaller.appspotmail.com
First crash: 1308d, last: 1d22h
▶ ▼ Bug presence (3)
Date Name Commit Repro Result
2026/07/10 linux-6.1.y (ToT) 090666d3cc90 C [report] kernel BUG in jfs_evict_inode
2025/01/08 upstream (ToT) 09a0fa92e5b4 C [report] kernel BUG in jfs_evict_inode
2026/07/10 upstream (ToT) a635d6748234 C Didn't crash
▶ ▼ 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 110774 8h04m 1500d 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 3386 1h15m 503d 0/2 upstream: reported C repro on 2025/06/19 16:21
linux-5.15 kernel BUG in jfs_evict_inode origin:upstream -1 syz, C error 10203 1h05m 1306d 0/3 upstream: reported C repro on 2023/04/07 20:28
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2024/01/26 00:52 1h16m bisect fix linux-6.1.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: 0 PID: 4404 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:jfs_evict_inode+0x420/0x430 fs/jfs/inode.c:175
Code: e7 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 da 28 e7 fe e9 16 fe ff ff e8 20 01 96 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:ffffc90003307b08 EFLAGS: 00010293
RAX: ffffffff82ec1ff0 RBX: ffff8880689f5770 RCX: ffff88802acc0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880689f5770
RBP: 0000000000000001 R08: ffffffff90af235f R09: 1ffffffff215e46b
R10: dffffc0000000000 R11: fffffbfff215e46c R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880689f53f8 R15: ffff8880689f5798
FS:  000055558a13f500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6991c49000 CR3: 0000000057fd4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 evict+0x4b6/0x8b0 fs/inode.c:705
 dispose_list fs/inode.c:738 [inline]
 evict_inodes+0x650/0x6e0 fs/inode.c:792
 generic_shutdown_super+0x93/0x340 fs/super.c:480
 kill_block_super+0x7c/0xe0 fs/super.c:1470
 deactivate_locked_super+0x93/0xf0 fs/super.c:332
 cleanup_mnt+0x471/0x4f0 fs/namespace.c:1191
 task_work_run+0x1d0/0x260 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6637b9e097
Code: a2 c7 05 5c 06 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:00007ffc77e96c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f6637c322ca RCX: 00007f6637b9e097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc77e96d00
RBP: 00007ffc77e96d00 R08: 00007ffc77e97d00 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77e97d90
R13: 00007f6637c322ca R14: 0000000000019172 R15: 00007ffc77e97dd0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jfs_evict_inode+0x420/0x430 fs/jfs/inode.c:175
Code: e7 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 da 28 e7 fe e9 16 fe ff ff e8 20 01 96 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:ffffc90003307b08 EFLAGS: 00010293
RAX: ffffffff82ec1ff0 RBX: ffff8880689f5770 RCX: ffff88802acc0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880689f5770
RBP: 0000000000000001 R08: ffffffff90af235f R09: 1ffffffff215e46b
R10: dffffc0000000000 R11: fffffbfff215e46c R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880689f53f8 R15: ffff8880689f5798
FS:  000055558a13f500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000025dd5f10c000 CR3: 0000000057fd4000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (11139):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/06/28 22:36 linux-6.1.y fdb6fcb41cc7 fb92f11c .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/04/06 20:45 linux-6.1.y 1989cd3d56e2 4440e7c2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2025/01/08 09:58 linux-6.1.y 7dc732d24ff7 f3558dbf .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/08/31 13:52 linux-6.1.y d64a499eea6b 2f52988a .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/08/29 08:04 linux-6.1.y d64a499eea6b 2f52988a .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/06/27 22:32 linux-6.1.y fdb6fcb41cc7 fb92f11c .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1 (corrupt fs)] [mounted in repro #2 (corrupt fs)] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/06/11 23:34 linux-6.1.y 228da13e907e d93a6ab6 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/03/24 08:50 linux-6.1.y f2ddafa93a25 baf8bf12 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/02/27 12:22 linux-6.1.y 779f9571ac3e a2f13f71 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/02/07 11:56 linux-6.1.y 0182cb5b74ee f20fc9f9 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2025/09/06 10:19 linux-6.1.y 28c695c365e1 d291dd2d .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2025/04/18 20:24 linux-6.1.y 420102835862 2a20f901 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2024/12/07 23:10 linux-6.1.y e4d90d63d385 9ac0fdc6 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2024/04/01 11:23 linux-6.1.y e5cd595e23c1 6baf5069 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2023/12/01 16:49 linux-6.1.y 6ac30d748bb0 f819d6f7 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2023/06/11 12:07 linux-6.1.y 2f3918bc53fb 49519f06 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2023/08/20 09:23 linux-6.1.y 6c44e13dc284 d216d8a0 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2025/11/27 19:42 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2025/11/14 05:30 linux-6.1.y f6e38ae624cf 07e030de .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2025/11/14 02:09 linux-6.1.y f6e38ae624cf 07e030de .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2025/11/13 19:23 linux-6.1.y f6e38ae624cf 07e030de .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2025/11/13 16:05 linux-6.1.y f6e38ae624cf 07e030de .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2025/11/13 12:39 linux-6.1.y f6e38ae624cf 07e030de .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2025/05/29 04:28 linux-6.1.y da3c5173c55f 3d2f584d .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2024/03/17 08:23 linux-6.1.y d7543167affd d615901c .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/29 17:08 linux-6.1.y 79807e970724 b1d00f76 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/29 14:32 linux-6.1.y 79807e970724 b1d00f76 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/29 00:02 linux-6.1.y 79807e970724 858db2ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/26 18:10 linux-6.1.y 79807e970724 168cb7a2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/26 15:38 linux-6.1.y 79807e970724 168cb7a2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/23 23:56 linux-6.1.y 79807e970724 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/23 23:56 linux-6.1.y 79807e970724 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/23 09:07 linux-6.1.y 79807e970724 d566bfda .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/22 14:39 linux-6.1.y 79807e970724 b55fad29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/22 10:00 linux-6.1.y 79807e970724 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/22 09:56 linux-6.1.y 79807e970724 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/22 00:44 linux-6.1.y 79807e970724 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/21 10:34 linux-6.1.y 79807e970724 61c200c7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/21 10:32 linux-6.1.y 79807e970724 61c200c7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/20 14:07 linux-6.1.y 79807e970724 df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/19 18:25 linux-6.1.y 79807e970724 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/17 03:03 linux-6.1.y 79807e970724 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/16 14:20 linux-6.1.y 79807e970724 4c840a2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/16 14:19 linux-6.1.y 79807e970724 4c840a2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/16 01:01 linux-6.1.y 79807e970724 3f2522c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/15 17:51 linux-6.1.y 79807e970724 8fb0ae89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/15 06:57 linux-6.1.y a500ba24937a 8fb0ae89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/14 19:37 linux-6.1.y a500ba24937a 1a71827b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/14 05:27 linux-6.1.y a500ba24937a 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/14 05:15 linux-6.1.y a500ba24937a 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/14 05:12 linux-6.1.y a500ba24937a 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/13 01:05 linux-6.1.y a500ba24937a 745a967f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/08 19:53 linux-6.1.y a500ba24937a b2734a59 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/10/08 07:49 linux-6.1.y a500ba24937a 4f6a9fcf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jfs_evict_inode
2026/11/02 18:58 linux-6.1.y 08889840163e 6969b601 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/11/01 19:25 linux-6.1.y 08889840163e 25a0ae84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/26 02:16 linux-6.1.y 79807e970724 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/25 11:08 linux-6.1.y 79807e970724 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/25 10:51 linux-6.1.y 79807e970724 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/19 10:44 linux-6.1.y 79807e970724 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/18 14:35 linux-6.1.y 79807e970724 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/17 14:59 linux-6.1.y 79807e970724 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/11 20:20 linux-6.1.y a500ba24937a 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/11 09:12 linux-6.1.y a500ba24937a 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/10 21:07 linux-6.1.y a500ba24937a 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/09 12:56 linux-6.1.y a500ba24937a b2734a59 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/07 12:32 linux-6.1.y a500ba24937a 6520ecdb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/06 18:44 linux-6.1.y a500ba24937a f7710056 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2026/10/06 15:28 linux-6.1.y a500ba24937a f7710056 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
2023/04/06 06:29 linux-6.1.y 3b29299e5f60 8b834965 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jfs_evict_inode
* Struck through repros no longer work on HEAD.