syzbot


BUG: unable to handle kernel paging request in errseq_set

Status: upstream: reported C repro on 2023/04/09 06:13
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+3857bdaaa566e5fa2144@syzkaller.appspotmail.com
First crash: 605d, last: 2d18h
Bug presence (2)
Date Name Commit Repro Result
2023/05/30 linux-5.15.y (ToT) 1fe619a7d252 C [report] BUG: unable to handle kernel paging request in errseq_set
2023/05/30 upstream (ToT) 8b817fded42d C Didn't crash
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 general protection fault in errseq_set xfs C 2 639d 710d 0/1 upstream: reported C repro on 2022/12/24 15:39
upstream general protection fault in errseq_set btrfs 2 130d 193d 0/28 auto-obsoleted due to no activity on 2024/10/24 17:15
linux-4.19 general protection fault in errseq_set xfs C error 6 684d 719d 0/1 upstream: reported C repro on 2022/12/16 00:36
Fix bisection attempts (8)
Created Duration User Patch Repo Result
2024/10/25 05:05 1m fix candidate upstream error job log
2024/09/01 20:12 0m fix candidate upstream error job log
2024/07/16 14:17 1m fix candidate upstream error job log
2024/05/02 22:50 0m fix candidate upstream error job log
2024/03/11 00:49 0m fix candidate upstream error job log
2024/01/04 08:32 5m fix candidate upstream error job log
2023/11/26 16:10 8m fix candidate upstream error job log
2023/09/14 19:16 1m fix candidate upstream error job log

Sample crash report:
Unable to handle kernel paging request at virtual address dfff800000000039
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
[dfff800000000039] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4029 Comm: syz-executor220 Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : errseq_set+0x30/0x198 lib/errseq.c:72
lr : errseq_set+0x24/0x198 lib/errseq.c:60
sp : ffff80001ffb6c90
x29: ffff80001ffb6c90 x28: dfff800000000000 x27: ffff80001ffb6e80
x26: fffffc00039a4940 x25: 0000000000000800 x24: 1fffff8000734929

x23: 0000000000007000 x22: fffffc00039a4908 x21: 00000000ffffff8b

x20: 00000000ffffff8b x19: 00000000000001c8 x18: 1fffe00036831b8e

x17: 1fffe00036831b8e x16: ffff8000082ec8b8 x15: ffff800014b5fa40
x14: 1ffff0000295806a x13: dfff800000000000 x12: 0000000000000003
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000039
x8 : dfff800000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080
 x4 : 0000000000000000
 x3 : ffff80000804605c

x2 : 0000000000000007 x1 : 00000000ffffff8b
 x0 : 00000000000001c8
Call trace:
 errseq_set+0x30/0x198 lib/errseq.c:72
 __filemap_set_wb_err+0x3c/0x3a4 mm/filemap.c:730
 mapping_set_error include/linux/pagemap.h:60 [inline]
 iomap_writepage_map fs/iomap/buffered-io.c:1383 [inline]
 iomap_do_writepage+0x19e0/0x1db8 fs/iomap/buffered-io.c:1485
 write_cache_pages+0x878/0xf58 mm/page-writeback.c:2277
 iomap_writepages+0x6c/0x1f4 fs/iomap/buffered-io.c:1516
 xfs_vm_writepages+0x124/0x180 fs/xfs/xfs_aops.c:488
 do_writepages+0x39c/0x5ec mm/page-writeback.c:2386
 filemap_fdatawrite_wbc+0x1c8/0x228 mm/filemap.c:400
 __filemap_fdatawrite_range mm/filemap.c:433 [inline]
 file_write_and_wait_range+0x18c/0x274 mm/filemap.c:810
 xfs_file_fsync+0x1a8/0x930 fs/xfs/xfs_file.c:182
 vfs_fsync_range+0x168/0x188 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2991 [inline]
 xfs_file_buffered_write+0x998/0xb08 fs/xfs/xfs_file.c:793
 xfs_file_write_iter+0x2b4/0x604 fs/xfs/xfs_file.c:833
 do_iter_readv_writev+0x420/0x5f8
 do_iter_write+0x1b8/0x66c fs/read_write.c:855
 vfs_writev fs/read_write.c:928 [inline]
 do_pwritev+0x1ec/0x334 fs/read_write.c:1025
 __do_sys_pwritev2 fs/read_write.c:1084 [inline]
 __se_sys_pwritev2 fs/read_write.c:1075 [inline]
 __arm64_sys_pwritev2+0xd4/0x108 fs/read_write.c:1075
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: 976cc7ed d2d00008 d343fe69 f2fbffe8 (38e86928) 
---[ end trace 86474f80933242ce ]---
----------------
Code disassembly (best guess):
   0:	976cc7ed 	bl	0xfffffffffdb31fb4
   4:	d2d00008 	mov	x8, #0x800000000000        	// #140737488355328
   8:	d343fe69 	lsr	x9, x19, #3
   c:	f2fbffe8 	movk	x8, #0xdfff, lsl #48
* 10:	38e86928 	ldrsb	w8, [x9, x8] <-- trapping instruction

Crashes (268):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/20 02:11 linux-5.15.y 0a51d2d4527b 7d02db5a .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/08/01 20:52 linux-5.15.y 7e89efd3ae1c 1e9c4cf3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/04/12 22:30 linux-5.15.y cdfd0a7f0139 c8349e48 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/04/12 22:10 linux-5.15.y cdfd0a7f0139 c8349e48 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2023/09/26 09:32 linux-5.15.y b911329317b4 0b6a67ac .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2023/05/30 06:34 linux-5.15.y 1fe619a7d252 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/07/22 03:15 linux-5.15.y 7c6d66f0266f b88348e9 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/01/06 12:50 linux-5.15.y 26c690eff0a5 d0304e9c .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan general protection fault in errseq_set
2023/09/26 09:35 linux-5.15.y b911329317b4 0b6a67ac .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan general protection fault in errseq_set
2023/06/23 17:21 linux-5.15.y f67653019430 79782afc .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/12/01 03:26 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/11/20 00:59 linux-5.15.y 0a51d2d4527b 7d02db5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/11/07 02:06 linux-5.15.y 72244eab0dad df3dc63b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/11/06 19:11 linux-5.15.y 72244eab0dad df3dc63b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/11/06 19:11 linux-5.15.y 72244eab0dad df3dc63b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/11/06 05:44 linux-5.15.y 72244eab0dad 3a465482 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/11/04 20:57 linux-5.15.y 72244eab0dad 509da429 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/10/30 21:08 linux-5.15.y 74cdd62cb470 fb888278 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/10/27 21:57 linux-5.15.y 74cdd62cb470 65e8686b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/10/27 17:36 linux-5.15.y 74cdd62cb470 65e8686b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/10/21 11:19 linux-5.15.y 584a40a22cb9 cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/10/07 14:01 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/10/07 10:29 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/10/05 03:14 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/09/30 09:33 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/09/29 22:18 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/09/12 20:41 linux-5.15.y 3a5928702e71 60e1a995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/09/11 05:15 linux-5.15.y 14e468424d3e 8ab55d0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/09/07 01:37 linux-5.15.y 14e468424d3e 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/09/04 04:01 linux-5.15.y fa93fa65db6e 326f9c5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/08/23 19:52 linux-5.15.y fa93fa65db6e d7d32352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/08/20 02:43 linux-5.15.y fa93fa65db6e 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/08/18 14:05 linux-5.15.y 7e89efd3ae1c dbc93b08 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/08/13 21:43 linux-5.15.y 7e89efd3ae1c f21a18ca .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/08/11 17:48 linux-5.15.y 7e89efd3ae1c 6f4edef4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/08/08 23:15 linux-5.15.y 7e89efd3ae1c 61405512 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/08/08 23:11 linux-5.15.y 7e89efd3ae1c 61405512 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/08/06 12:10 linux-5.15.y 7e89efd3ae1c e1bdb00a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/08/04 10:15 linux-5.15.y 7e89efd3ae1c 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/07/31 08:16 linux-5.15.y 7e89efd3ae1c 6fde257d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/07/25 06:27 linux-5.15.y 7c6d66f0266f d1a1b0ca .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/07/20 06:51 linux-5.15.y 7c6d66f0266f b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/07/19 14:48 linux-5.15.y 7c6d66f0266f ee4e11c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/07/18 13:41 linux-5.15.y 7c6d66f0266f 71884c12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/07/18 09:20 linux-5.15.y f45bea23c39c 0f902625 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2023/04/09 06:13 linux-5.15.y d86dfc4d95cd 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: unable to handle kernel paging request in errseq_set
2024/12/01 13:41 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/11/17 14:50 linux-5.15.y d98fd109f827 cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/11/05 02:16 linux-5.15.y 72244eab0dad 509da429 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/10/16 09:10 linux-5.15.y 3a5928702e71 bde2d81c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/10/15 06:55 linux-5.15.y 3a5928702e71 b01b6661 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/10/13 18:43 linux-5.15.y 3a5928702e71 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/10/04 01:23 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/08/11 23:22 linux-5.15.y 7e89efd3ae1c 6f4edef4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/08/06 23:46 linux-5.15.y 7e89efd3ae1c 1ef9fe42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/08/06 21:53 linux-5.15.y 7e89efd3ae1c 1ef9fe42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/08/06 08:57 linux-5.15.y 7e89efd3ae1c e1bdb00a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/07/31 18:39 linux-5.15.y 7e89efd3ae1c 6fde257d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/07/29 09:21 linux-5.15.y 7e89efd3ae1c 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan general protection fault in errseq_set
2024/07/22 02:13 linux-5.15.y 7c6d66f0266f b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan general protection fault in errseq_set
* Struck through repros no longer work on HEAD.