syzbot


WARNING in firmware_fallback_sysfs

Status: upstream: reported C repro on 2023/03/26 17:15
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+a60f44acd31bc8cb5b97@syzkaller.appspotmail.com
First crash: 448d, last: 2d10h
Bug presence (3)
Date Name Commit Repro Result
2024/04/28 linux-5.15.y (ToT) b925f60c6ee7 C [report] WARNING in firmware_fallback_sysfs
2023/09/30 upstream (ToT) 9f3ebbef746f C [report] WARNING in firmware_fallback_sysfs
2024/04/28 upstream (ToT) 2c8159388952 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 error 3432 62d 1200d 0/27 upstream: reported C repro on 2021/03/04 08:20
linux-6.1 WARNING in firmware_fallback_sysfs origin:upstream missing-backport C 76 8d12h 448d 0/3 upstream: reported C repro on 2023/03/26 16:24
Fix bisection attempts (2)
Created Duration User Patch Repo Result
2024/06/14 06:34 1h18m bisect fix linux-5.15.y job log (0) log
2023/12/10 22:21 1h38m bisect fix linux-5.15.y job log (0) log

Sample crash report:
sysfs group 'power' not found for kobject 'ueagle-atm!eagleII.fw'
WARNING: CPU: 0 PID: 1066 at fs/sysfs/group.c:281 sysfs_remove_group+0x179/0x2a0 fs/sysfs/group.c:279
Modules linked in:
CPU: 0 PID: 1066 Comm: kworker/0:2 Not tainted 5.15.145-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Workqueue: events request_firmware_work_func
RIP: 0010:sysfs_remove_group+0x179/0x2a0 fs/sysfs/group.c:279
Code: 8b 36 4c 89 e0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 e7 e8 7a 21 cd ff 49 8b 14 24 48 c7 c7 c0 93 99 8a 4c 89 f6 e8 57 21 4f ff <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d1 6b 83 ff
RSP: 0018:ffffc90004d67940 EFLAGS: 00010246
RAX: 228f032e0f3fb300 RBX: ffff88814ad63038 RCX: ffff88801c470000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81665aec R09: ffffed1017344f24
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88814ad63008
R13: 1ffffffff15f4160 R14: ffffffff8afa0ae0 R15: ffff888014793cb0
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9068e1380 CR3: 000000001ff0e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 device_del+0x2f1/0xbd0 drivers/base/core.c:3559
 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:545 [inline]
 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:583 [inline]
 firmware_fallback_sysfs+0x9ab/0xc90 drivers/base/firmware_loader/fallback.c:659
 _request_firmware+0xbb1/0x1200 drivers/base/firmware_loader/main.c:848
 request_firmware_work_func+0x126/0x270 drivers/base/firmware_loader/main.c:1097
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>

Crashes (77):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/01/03 11:19 linux-5.15.y d93fa2c78854 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/12/26 03:38 linux-5.15.y d93fa2c78854 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/09/30 01:30 linux-5.15.y b911329317b4 8e26a358 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/05/15 04:53 linux-5.15.y 284087d4f7d5 fdb4c10c .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/04/19 09:22 linux-5.15.y c52b9710c83d af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/04/19 08:52 linux-5.15.y c52b9710c83d af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/04/14 13:12 linux-5.15.y fa3df276cd36 c8349e48 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/04/08 04:22 linux-5.15.y 9465fef4ae35 ca620dd8 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/04/08 03:50 linux-5.15.y 9465fef4ae35 ca620dd8 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/04/05 16:18 linux-5.15.y 9465fef4ae35 77230c29 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/03/26 17:14 linux-5.15.y 115472395b0a fbf0499a .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/07/29 06:53 linux-5.15.y 09996673e313 92476829 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/06/23 11:09 linux-5.15.y f67653019430 79782afc .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/07/30 01:00 linux-5.15.y 09996673e313 92476829 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/07/23 11:46 linux-5.15.y d54cfc420586 27cbe77f .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/06/18 04:07 linux-5.15.y 471e639e59d1 f3921d4d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/05/29 20:02 linux-5.15.y 1fe619a7d252 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/04/20 07:33 linux-5.15.y c52b9710c83d af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/04/07 14:39 linux-5.15.y 9465fef4ae35 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/04/01 15:44 linux-5.15.y 9465fef4ae35 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/04/01 11:09 linux-5.15.y 9465fef4ae35 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/03/31 17:53 linux-5.15.y 9465fef4ae35 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/03/31 01:55 linux-5.15.y 9465fef4ae35 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/03/25 03:45 linux-5.15.y b95c01af2113 0ea90952 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/03/24 05:52 linux-5.15.y b95c01af2113 0ea90952 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/03/09 17:53 linux-5.15.y 574362648507 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/03/06 23:00 linux-5.15.y 574362648507 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/02/16 00:35 linux-5.15.y 6139f2a02fe0 fd39cf6f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/01/29 18:16 linux-5.15.y 6139f2a02fe0 991a98f4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/01/09 20:16 linux-5.15.y 26c690eff0a5 4807fb37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/01/07 19:54 linux-5.15.y 26c690eff0a5 d0304e9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/11/10 16:33 linux-5.15.y 80529b4968a8 45e9b83e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/10/30 09:13 linux-5.15.y 12952a23a5da 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/10/15 23:41 linux-5.15.y 02e21884dcf2 f757a323 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/10/15 13:03 linux-5.15.y 02e21884dcf2 f757a323 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/10/06 23:41 linux-5.15.y 1edcec18cfb7 ea12a918 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/10/06 23:41 linux-5.15.y 1edcec18cfb7 ea12a918 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/10/06 23:31 linux-5.15.y 1edcec18cfb7 ea12a918 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/10/06 23:08 linux-5.15.y 1edcec18cfb7 ea12a918 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/09/29 22:37 linux-5.15.y b911329317b4 8e26a358 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/09/18 10:14 linux-5.15.y aff03380bda4 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/01/12 10:29 linux-5.15.y 26c690eff0a5 dda5a988 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/12/25 10:55 linux-5.15.y d93fa2c78854 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/09/16 23:22 linux-5.15.y aff03380bda4 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/08/13 11:34 linux-5.15.y 24c4de4069cb 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/08/11 01:41 linux-5.15.y c275eaaaa342 da3c3ef8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/08/04 11:35 linux-5.15.y 38d4ca22a528 74621247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/07/26 22:42 linux-5.15.y 5c6a716301d9 41fe1bae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/07/21 08:55 linux-5.15.y d54cfc420586 28847498 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/07/08 11:19 linux-5.15.y d54cfc420586 668cb1fa .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/07/01 21:59 linux-5.15.y 4af60700a60c bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/07/01 21:54 linux-5.15.y 4af60700a60c bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/06/30 15:19 linux-5.15.y 4af60700a60c 01298212 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/06/16 05:56 linux-5.15.y 471e639e59d1 f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/05/12 09:28 linux-5.15.y b0ece631f84a adb9a3cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/05/06 06:32 linux-5.15.y 8a7f2a5c5aa1 de870ca5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/04/30 05:51 linux-5.15.y f48aeeaaa64c 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/04/15 21:03 linux-5.15.y 4fdad925aa1a ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/04/10 16:46 linux-5.15.y d86dfc4d95cd 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/04/02 15:16 linux-5.15.y c957cbb87315 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2023/07/22 18:26 linux-5.15.y d54cfc420586 27cbe77f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/07/09 07:02 linux-5.15.y d54cfc420586 668cb1fa .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/07/08 11:34 linux-5.15.y d54cfc420586 668cb1fa .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/07/01 23:42 linux-5.15.y 4af60700a60c bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/06/01 05:16 linux-5.15.y 0ab06468cbd1 babc4389 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/05/25 04:29 linux-5.15.y 1fe619a7d252 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/05/17 00:04 linux-5.15.y b0ece631f84a 11c89444 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/04/30 08:40 linux-5.15.y f48aeeaaa64c 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/04/01 00:22 linux-5.15.y c957cbb87315 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2023/03/29 17:07 linux-5.15.y 115472395b0a f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
* Struck through repros no longer work on HEAD.