syzbot


WARNING in firmware_fallback_sysfs

Status: upstream: reported C repro on 2023/03/26 16:24
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+457452d30bcdda75ead2@syzkaller.appspotmail.com
First crash: 421d, last: 12d
Bug presence (3)
Date Name Commit Repro Result
2024/04/24 linux-6.1.y (ToT) 6741e066ec76 C [report] WARNING in firmware_fallback_sysfs
2023/12/28 upstream (ToT) f5837722ffec C [report] WARNING in firmware_fallback_sysfs
2024/04/24 upstream (ToT) e88c4cfcb7b8 C Didn't crash
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in firmware_fallback_sysfs usb fs C error 3432 35d 1173d 0/26 upstream: reported C repro on 2021/03/04 08:20
linux-5.15 WARNING in firmware_fallback_sysfs origin:upstream missing-backport C 77 5d23h 421d 0/3 upstream: reported C repro on 2023/03/26 17:15
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/12/27 14:52 1h31m bisect fix linux-6.1.y job log (0) log

Sample crash report:
WARNING: CPU: 1 PID: 2535 at fs/sysfs/group.c:280 sysfs_remove_group+0x179/0x2a0 fs/sysfs/group.c:278
Modules linked in:
CPU: 1 PID: 2535 Comm: kworker/1:2 Not tainted 6.1.87-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events request_firmware_work_func
RIP: 0010:sysfs_remove_group+0x179/0x2a0 fs/sysfs/group.c:278
Code: 8b 36 4c 89 e0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 e7 e8 3a 0c c8 ff 49 8b 14 24 48 c7 c7 e0 5d fc 8a 4c 89 f6 e8 a7 91 38 ff <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d1 94 70 ff
RSP: 0018:ffffc9000b95f820 EFLAGS: 00010246
RAX: fb9ddd5df0c2b000 RBX: ffff88807b878038 RCX: ffff888027ad1dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81528eae R09: fffffbfff209344d
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807b878008
R13: 1ffffffff16c14f4 R14: ffffffff8b60a780 R15: ffff888014a9b488
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa571e6b128 CR3: 0000000023659000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 device_del+0x2f1/0xbd0 drivers/base/core.c:3851
 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:120 [inline]
 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:158 [inline]
 firmware_fallback_sysfs+0x686/0x940 drivers/base/firmware_loader/fallback.c:234
 _request_firmware+0xc13/0x1200 drivers/base/firmware_loader/main.c:856
 request_firmware_work_func+0x126/0x270 drivers/base/firmware_loader/main.c:1105
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Crashes (76):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/20 05:46 linux-6.1.y 6741e066ec76 af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2024/01/01 08:57 linux-6.1.y 4aa6747d9352 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/12/28 05:17 linux-6.1.y 4aa6747d9352 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2024/05/08 23:43 linux-6.1.y 909ba1f1b414 20bf80e1 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/04/22 05:04 linux-6.1.y 6741e066ec76 af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/04/20 22:49 linux-6.1.y 6741e066ec76 af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/03/20 09:20 linux-6.1.y d7543167affd a485f239 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/03/01 05:45 linux-6.1.y 81e1dc2f7001 352ab904 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/03/01 05:08 linux-6.1.y 81e1dc2f7001 352ab904 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/02/27 10:59 linux-6.1.y 81e1dc2f7001 05e69c83 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/02/06 17:08 linux-6.1.y f1bb70486c9c 6404acf9 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/02/06 12:25 linux-6.1.y f1bb70486c9c 6404acf9 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/01/27 12:55 linux-6.1.y 883d1a956208 cc4a4020 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/03/26 16:24 linux-6.1.y e3a87a10f259 fbf0499a .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/07/02 23:29 linux-6.1.y 0f4ac6b4c5f0 bfc47836 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/06/18 03:24 linux-6.1.y ca87e77a2ef8 f3921d4d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/08/11 05:15 linux-6.1.y 0a4a7855302d da3c3ef8 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/08/01 09:15 linux-6.1.y d2a6dc4eaf6d 2a0d0f29 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/06/18 04:07 linux-6.1.y ca87e77a2ef8 f3921d4d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/05/29 19:23 linux-6.1.y a343b0dd87b4 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/04/23 14:08 linux-6.1.y 6741e066ec76 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2024/04/23 07:18 linux-6.1.y 6741e066ec76 36c961ad .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2024/03/29 18:42 linux-6.1.y e5cd595e23c1 c52bcb23 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2024/03/20 07:31 linux-6.1.y d7543167affd a485f239 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2024/01/12 11:30 linux-6.1.y 7c58bfa711cb dda5a988 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2024/01/12 10:23 linux-6.1.y 7c58bfa711cb dda5a988 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2024/01/09 08:23 linux-6.1.y 38fb82ecd144 4c0fd4bb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/11/10 16:57 linux-6.1.y fb2635ac69ab 45e9b83e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/10/30 09:57 linux-6.1.y 32c9cdbe383c 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/10/20 13:18 linux-6.1.y 7d24402875c7 a42250d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/10/07 10:26 linux-6.1.y ecda77b46871 5e837c76 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/10/06 23:14 linux-6.1.y ecda77b46871 ea12a918 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/10/03 17:06 linux-6.1.y d23900f974e0 65faba36 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/09/23 20:10 linux-6.1.y d23900f974e0 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/09/21 14:06 linux-6.1.y a356197db198 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/09/21 12:55 linux-6.1.y a356197db198 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/09/16 23:25 linux-6.1.y 09045dae0d90 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2024/03/06 21:01 linux-6.1.y 61adba85cc40 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/03/05 12:21 linux-6.1.y a3eb3a74aa8c 5fc53669 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/02/21 05:07 linux-6.1.y 8b4118fabd6e 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/01/29 17:42 linux-6.1.y 883d1a956208 991a98f4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/11/27 01:19 linux-6.1.y 69e434a1cb21 5b429f39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/09/16 23:36 linux-6.1.y 09045dae0d90 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/09/16 23:19 linux-6.1.y 09045dae0d90 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/08/18 07:28 linux-6.1.y 6c44e13dc284 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/08/04 21:50 linux-6.1.y 52a953d0934b cdae481e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/08/04 12:20 linux-6.1.y 52a953d0934b 74621247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/08/04 12:02 linux-6.1.y 52a953d0934b 74621247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/08/04 11:54 linux-6.1.y 52a953d0934b 74621247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/08/04 11:40 linux-6.1.y 52a953d0934b 74621247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/07/29 16:00 linux-6.1.y d2a6dc4eaf6d 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/07/09 06:40 linux-6.1.y 61fd484b2cf6 668cb1fa .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/07/04 02:27 linux-6.1.y 0f4ac6b4c5f0 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/07/04 01:00 linux-6.1.y 0f4ac6b4c5f0 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/07/03 21:14 linux-6.1.y 0f4ac6b4c5f0 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/07/01 21:48 linux-6.1.y 0f4ac6b4c5f0 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/07/01 21:48 linux-6.1.y 0f4ac6b4c5f0 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/07/01 21:48 linux-6.1.y 0f4ac6b4c5f0 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/05/18 18:12 linux-6.1.y fa74641fb6b9 3bb7af1d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/05/06 05:01 linux-6.1.y ca48fc16c493 de870ca5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/04/30 05:47 linux-6.1.y ca1c9012c941 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/04/27 10:06 linux-6.1.y ca1c9012c941 19a3dabe .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/04/15 19:40 linux-6.1.y 0102425ac76b ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/04/10 22:51 linux-6.1.y 543aff194ab6 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/03/29 09:09 linux-6.1.y e3a87a10f259 fc067f05 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in firmware_fallback_sysfs
2023/07/06 19:36 linux-6.1.y 61fd484b2cf6 1a2f6297 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/06/18 01:02 linux-6.1.y ca87e77a2ef8 f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/06/16 03:52 linux-6.1.y ca87e77a2ef8 f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/05/18 18:06 linux-6.1.y fa74641fb6b9 3bb7af1d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/04/01 15:21 linux-6.1.y 3b29299e5f60 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in firmware_fallback_sysfs
* Struck through repros no longer work on HEAD.