kernel BUG in jffs2_del_ino_cache

Status: upstream: reported C repro on 2024/04/03 08:31
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+6fbe81d2121c919ab302@syzkaller.appspotmail.com
First crash: 863d, last: 1h24m
Fix bisection: failed (error log, bisect log)
  
Bug presence (2)
Date Name Commit Repro Result
2024/04/03 upstream (ToT) c85af715cac0 C [report] kernel BUG in jffs2_del_ino_cache
2026/08/04 upstream (ToT) 848acc8ffe1b C Failed due to an error; will retry later
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 kernel BUG in jffs2_del_ino_cache -1 syz, C 71 1h35m 6d19h 0/2 upstream: reported C repro on 2026/08/07 19:27
upstream kernel BUG in jffs2_del_ino_cache jffs2 -1 syz, C error error 2161 1h02m 863d 0/29 upstream: reported C repro on 2024/04/03 14:13
linux-5.15 kernel BUG in jffs2_del_ino_cache origin:upstream -1 syz, C error 95 2h25m 863d 0/3 upstream: reported C repro on 2024/04/03 08:31
Fix bisection attempts (5)
Created Duration User Patch Repo Result
2024/10/15 01:53 0m bisect fix linux-6.1.y error job log
2024/09/10 23:27 2h26m bisect fix linux-6.1.y OK (0) job log log
2024/08/07 12:34 3h42m bisect fix linux-6.1.y OK (0) job log log
2024/06/28 03:17 2h17m bisect fix linux-6.1.y OK (0) job log log
2024/05/19 22:47 1h25m bisect fix linux-6.1.y OK (0) job log log

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/jffs2/nodelist.c:462!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4437 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : jffs2_del_ino_cache+0x2b4/0x2b8 fs/jffs2/nodelist.c:462
lr : jffs2_del_ino_cache+0x2b4/0x2b8 fs/jffs2/nodelist.c:462
sp : ffff8000211e76c0
x29: ffff8000211e76c0 x28: ffff0000e4fc00f0 x27: 1fffe0001c9f8014
x26: 1fffe0001c9f8017 x25: ffff0000e4fc00b8 x24: dfff800000000000
x23: 0000000000000000 x22: 0000000000000006 x21: ffff0000cf0d7020
x20: ffff0000cf0d7000 x19: ffff0000dec6a000 x18: 1fffe00033e7697e
x17: ffff80001537d000 x16: ffff8000082f2d40 x15: 000000000004ffff
x14: 0000000000000001 x13: 1fffe0001bd8d46d x12: 0000000000000000
x11: ff00800009687878 x10: 0000000000000000 x9 : ffff800009687878
x8 : ffff0000cd438000 x7 : ffff8000082b57b0 x6 : 0000000000000000
x5 : ffff8000211e7620 x4 : 0000000000000000 x3 : ffff8000082f2e54
x2 : 0000000000000001 x1 : ffff0000cf0d7000 x0 : ffff0000dec6a000
Call trace:
 jffs2_del_ino_cache+0x2b4/0x2b8 fs/jffs2/nodelist.c:462
 jffs2_do_clear_inode+0x2cc/0x348 fs/jffs2/readinode.c:1443
 jffs2_evict_inode+0x7c/0x90 fs/jffs2/fs.c:250
 evict+0x3d8/0x824 fs/inode.c:705
 dispose_list fs/inode.c:738 [inline]
 evict_inodes+0x604/0x6a4 fs/inode.c:792
 generic_shutdown_super+0xa4/0x32c fs/super.c:480
 kill_mtd_super+0x2c/0x74 drivers/mtd/mtdsuper.c:197
 jffs2_kill_sb+0x94/0xb0 fs/jffs2/super.c:349
 deactivate_locked_super+0xb4/0x128 fs/super.c:332
 deactivate_super+0xe4/0x104 fs/super.c:363
 cleanup_mnt+0x3a8/0x430 fs/namespace.c:1191
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1198
 task_work_run+0x1f4/0x280 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x20f8/0x2c84 arch/arm64/kernel/signal.c:1151
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 91005320 97c9b423 17ffff8e 97b8acd4 (d4210000) 
---[ end trace 0000000000000000 ]---

Crashes (260):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/07 22:20 linux-6.1.y e4f7d8be268e e4ef95d6 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/07 20:01 linux-6.1.y e4f7d8be268e e4ef95d6 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2024/04/03 10:43 linux-6.1.y e5cd595e23c1 7925100d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/13 12:54 linux-6.1.y e4f7d8be268e 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jffs2_del_ino_cache
2026/08/13 04:07 linux-6.1.y e4f7d8be268e 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jffs2_del_ino_cache
2026/08/12 06:45 linux-6.1.y e4f7d8be268e f8d35649 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jffs2_del_ino_cache
2026/08/11 17:45 linux-6.1.y e4f7d8be268e 71790083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jffs2_del_ino_cache
2026/08/11 13:46 linux-6.1.y e4f7d8be268e 71790083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jffs2_del_ino_cache
2026/08/11 06:49 linux-6.1.y e4f7d8be268e 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jffs2_del_ino_cache
2026/08/11 06:37 linux-6.1.y e4f7d8be268e 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jffs2_del_ino_cache
2026/08/10 19:34 linux-6.1.y e4f7d8be268e 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jffs2_del_ino_cache
2026/08/10 19:34 linux-6.1.y e4f7d8be268e 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jffs2_del_ino_cache
2026/08/10 16:53 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jffs2_del_ino_cache
2026/08/10 07:40 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jffs2_del_ino_cache
2026/08/09 15:40 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jffs2_del_ino_cache
2026/08/09 14:38 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in jffs2_del_ino_cache
2026/08/14 13:23 linux-6.1.y e4f7d8be268e 6f9b3e89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/14 11:56 linux-6.1.y e4f7d8be268e 6f9b3e89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/14 00:33 linux-6.1.y e4f7d8be268e b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/13 22:54 linux-6.1.y e4f7d8be268e b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/13 19:00 linux-6.1.y e4f7d8be268e b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/13 18:26 linux-6.1.y e4f7d8be268e b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/13 14:11 linux-6.1.y e4f7d8be268e 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/13 06:49 linux-6.1.y e4f7d8be268e 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/13 00:11 linux-6.1.y e4f7d8be268e 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/12 20:18 linux-6.1.y e4f7d8be268e 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/12 19:13 linux-6.1.y e4f7d8be268e 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/12 18:43 linux-6.1.y e4f7d8be268e 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/12 14:47 linux-6.1.y e4f7d8be268e f8d35649 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/12 04:03 linux-6.1.y e4f7d8be268e f8d35649 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/12 02:27 linux-6.1.y e4f7d8be268e f8d35649 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/11 15:09 linux-6.1.y e4f7d8be268e 71790083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/11 11:47 linux-6.1.y e4f7d8be268e 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/11 00:20 linux-6.1.y e4f7d8be268e 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/10 21:23 linux-6.1.y e4f7d8be268e 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/10 12:53 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/10 10:28 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/10 06:24 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/10 02:06 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/09 23:37 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/09 20:52 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/09 18:26 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/09 16:52 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/09 11:54 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/09 10:03 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/09 08:55 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/09 07:22 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/09 05:41 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/09 03:11 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2026/08/09 01:52 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
2024/04/03 08:30 linux-6.1.y e5cd595e23c1 7925100d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in jffs2_del_ino_cache
* Struck through repros no longer work on HEAD.