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general protection fault in jfs_flush_journal

Status: upstream: reported C repro on 2023/03/20 13:13
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+94a5a34d2425f5adc55e@syzkaller.appspotmail.com
First crash: 765d, last: 4d10h
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2023/06/13 upstream (ToT) 15adb51c04cc C [report] BUG: unable to handle kernel paging request in lmLogSync
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream general protection fault in jfs_flush_journal jfs C inconclusive 1848 4h45m 933d 0/28 upstream: reported C repro on 2022/10/02 18:56
linux-5.15 general protection fault in jfs_flush_journal origin:upstream C error 29 24d 768d 0/3 upstream: reported C repro on 2023/03/16 22:18
▶ ▼ Fix bisection attempts (6)
Created Duration User Patch Repo Result
2024/10/25 03:16 1h47m bisect fix linux-6.1.y OK (0) job log log
2024/09/13 10:37 1h31m bisect fix linux-6.1.y OK (0) job log log
2024/08/03 13:34 1h24m bisect fix linux-6.1.y OK (0) job log log
2024/03/12 00:29 1h19m bisect fix linux-6.1.y OK (0) job log log
2024/01/19 09:29 1h25m bisect fix linux-6.1.y OK (0) job log log
2023/12/12 15:00 1h38m bisect fix linux-6.1.y OK (0) job log log

Sample crash report:
Unable to handle kernel paging request at virtual address dfff800000000006
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
[dfff800000000006] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4310 Comm: syz-executor348 Not tainted 6.1.129-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
pc : jfs_flush_journal+0x6a4/0xd64 fs/jfs/jfs_logmgr.c:1573
lr : write_special_inodes fs/jfs/jfs_logmgr.c:207 [inline]
lr : jfs_flush_journal+0x680/0xd64 fs/jfs/jfs_logmgr.c:1573
sp : ffff8000215d7720
x29: ffff8000215d7810 x28: dfff800000000000 x27: dfff800000000000
x26: 1fffe00019fff135 x25: 1fffe00019fff100 x24: 1fffe00019fe6cfb
x23: ffff0000cfff89b8 x22: 0000000000000030 x21: ffff0000d4f3d638
x20: ffff0000cfff89a8 x19: ffff0000cfff8800 x18: ffff8000215d69e0
x17: ffff800018c47000 x16: ffff80001226f3c0 x15: 0000000000000000
x14: 1ffff00002b5e0b2 x13: dfff800000000000 x12: 0000000000000003
x11: 0000000000ff0100 x10: 0000000000000000 x9 : 00c8a5d36568f600
x8 : 0000000000000006 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
 jfs_flush_journal+0x6a4/0xd64 fs/jfs/jfs_logmgr.c:1573
 jfs_umount+0xf8/0x338 fs/jfs/jfs_umount.c:58
 jfs_put_super+0x90/0x188 fs/jfs/super.c:194
 generic_shutdown_super+0x130/0x328 fs/super.c:501
 kill_block_super+0x70/0xdc fs/super.c:1470
 deactivate_locked_super+0xac/0x124 fs/super.c:332
 deactivate_super+0xf0/0x110 fs/super.c:363
 cleanup_mnt+0x394/0x41c fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 task_work_run+0x240/0x2f0 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x2080/0x2cb8 arch/arm64/kernel/signal.c:1132
 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+0x9c/0x168 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: 97bc66b5 f94002c8 9100c116 d343fec8 (387c6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97bc66b5 	bl	0xfffffffffef19ad4
   4:	f94002c8 	ldr	x8, [x22]
   8:	9100c116 	add	x22, x8, #0x30
   c:	d343fec8 	lsr	x8, x22, #3
* 10:	387c6908 	ldrb	w8, [x8, x28] <-- trapping instruction

Crashes (118):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/07 09:09 linux-6.1.y 3a8358583626 831e3629 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/11/29 23:54 linux-6.1.y e4d90d63d385 5df23865 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/01/21 12:37 linux-6.1.y 8fd7f4462453 9bd8dcda .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2023/12/19 22:53 linux-6.1.y ba6f5fb46511 3ad490ea .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2023/06/13 16:00 linux-6.1.y 2f3918bc53fb 749afb64 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2023/07/08 04:24 linux-6.1.y 61fd484b2cf6 668cb1fa .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2025/01/09 00:43 linux-6.1.y 7dc732d24ff7 f3558dbf .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2025/04/09 23:32 linux-6.1.y 3dfebb87d7eb 988b336c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2025/03/07 15:21 linux-6.1.y 3a8358583626 7e3bd60d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2025/01/07 22:06 linux-6.1.y 7dc732d24ff7 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2025/01/07 21:31 linux-6.1.y 7dc732d24ff7 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/12/25 15:13 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/12/05 11:36 linux-6.1.y e4d90d63d385 29f61fce .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/06/07 00:21 linux-6.1.y 88690811da69 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/06/03 17:42 linux-6.1.y 88690811da69 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/05/27 18:16 linux-6.1.y 88690811da69 761766e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/05/24 04:09 linux-6.1.y 4078fa637fcd 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/05/23 11:47 linux-6.1.y 4078fa637fcd 4c2072ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/05/19 10:21 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/05/17 03:27 linux-6.1.y 909ba1f1b414 c2e07261 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/05/16 14:19 linux-6.1.y 909ba1f1b414 ef5d53ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/05/11 21:49 linux-6.1.y 909ba1f1b414 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/05/10 15:16 linux-6.1.y 909ba1f1b414 f7c35481 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/05/07 00:53 linux-6.1.y 909ba1f1b414 fa7a5cf0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/05/06 12:04 linux-6.1.y 909ba1f1b414 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/05/01 04:04 linux-6.1.y dcbc050cb0d3 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/04/27 19:06 linux-6.1.y f2295faba5e8 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/04/25 13:21 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/04/23 01:40 linux-6.1.y 6741e066ec76 36c961ad .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2023/03/20 13:13 linux-6.1.y 7eaef76fbc46 7939252e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan general protection fault in jfs_flush_journal
2024/05/28 00:49 linux-6.1.y 88690811da69 f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan KASAN: use-after-free Read in jfs_flush_journal
2025/04/19 03:07 linux-6.1.y 420102835862 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2025/04/08 05:21 linux-6.1.y 3dfebb87d7eb a2ada0e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2025/03/02 16:03 linux-6.1.y 3a8358583626 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2025/02/14 19:29 linux-6.1.y 0cbb5f65e52f 1022af74 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2025/02/11 15:57 linux-6.1.y 0cbb5f65e52f f2baddf5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2025/02/10 14:52 linux-6.1.y 0cbb5f65e52f 43f51a00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2025/02/01 13:56 linux-6.1.y 75cefdf153f5 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2025/01/31 17:00 linux-6.1.y 75cefdf153f5 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2025/01/14 13:41 linux-6.1.y c63962be84ef b1f1cd88 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/12/04 21:53 linux-6.1.y e4d90d63d385 b50eb251 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/11/09 17:14 linux-6.1.y d7039b844a1c 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/11/03 12:06 linux-6.1.y 7c15117f9468 f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/10/29 02:33 linux-6.1.y 7ec6f9fa3d97 9efb3cc7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/09/23 03:37 linux-6.1.y e526b12bf916 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/09/18 23:58 linux-6.1.y e526b12bf916 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/08/11 20:25 linux-6.1.y 36790ef5e00b 6f4edef4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/08/08 19:45 linux-6.1.y 48d525b0e463 61405512 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/08/04 18:24 linux-6.1.y 48d525b0e463 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/06/21 10:54 linux-6.1.y eb44d83053d6 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Read in jfs_flush_journal
2024/06/12 13:11 linux-6.1.y ae9f2a70d69e f815599d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/06/08 17:50 linux-6.1.y 88690811da69 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/05/17 12:14 linux-6.1.y 4078fa637fcd a12e99e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/05/16 16:58 linux-6.1.y 909ba1f1b414 c2e07261 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/05/09 09:53 linux-6.1.y 909ba1f1b414 05079661 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
2024/04/20 21:17 linux-6.1.y 6741e066ec76 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: unable to handle kernel paging request in jfs_flush_journal
* Struck through repros no longer work on HEAD.