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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: 559d, last: 31d
Fix bisection: the issue occurs on the latest tested release (bisect log)
Crash: WARNING in firmware_fallback_sysfs (log)
Repro: C syz .config
  
▶ ▼ 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 (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in firmware_fallback_sysfs usb fs C error error 3432 173d 1312d 0/28 auto-obsoleted due to no activity on 2024/06/24 11:12
linux-6.1 WARNING in firmware_fallback_sysfs origin:upstream missing-backport C error 97 8d03h 559d 0/3 upstream: reported C repro on 2023/03/26 16:24
upstream WARNING in firmware_fallback_sysfs (2) kernel 2 15d 57d 0/28 upstream: reported on 2024/08/09 15:45
▶ ▼ Fix bisection attempts (4)
Created Duration User Patch Repo Result
2024/08/23 22:13 12h06m fix candidate upstream error job log
2024/06/24 06:37 12h13m fix candidate upstream error job log
2024/06/14 06:34 1h18m bisect fix linux-5.15.y OK (0) job log log
2023/12/10 22:21 1h38m bisect fix linux-5.15.y OK (0) job log log

Sample crash report:
sysfs group 'power' not found for kobject 'ueagle-atm!adi930.fw'
WARNING: CPU: 1 PID: 23 at fs/sysfs/group.c:281 sysfs_remove_group+0x179/0x2a0 fs/sysfs/group.c:279
Modules linked in:
CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 5.15.164-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
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 2a b1 cc ff 49 8b 14 24 48 c7 c7 c0 bc 99 8a 4c 89 f6 e8 c7 7f 4e ff <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 21 dd 82 ff
RSP: 0018:ffffc90000ddf940 EFLAGS: 00010246
RAX: 7ccbf4350abda400 RBX: ffff888014f81038 RCX: ffff888012a90000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff8166892c R09: ffffed1017364f24
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888014f81008
R13: 1ffffffff15f5e9c R14: ffffffff8afaf4c0 R15: ffff8880147cb658
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc3f594e40 CR3: 0000000078bb8000 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:3577
 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:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>

Crashes (118):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/08/15 18:10 linux-5.15.y 7e89efd3ae1c e4bacdaf .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/10 17:57 linux-5.15.y 7e89efd3ae1c 6f4edef4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
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
2024/08/21 20:38 linux-5.15.y fa93fa65db6e db5852f9 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 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
2024/09/04 11:23 linux-5.15.y fa93fa65db6e 9d47f20a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/09/03 17:53 linux-5.15.y fa93fa65db6e 326f9c5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/09/03 02:49 linux-5.15.y fa93fa65db6e 8045124c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/09/02 01:12 linux-5.15.y fa93fa65db6e 1eda0d14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/30 22:42 linux-5.15.y fa93fa65db6e 1eda0d14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/30 09:38 linux-5.15.y fa93fa65db6e ee2602b8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/29 21:06 linux-5.15.y fa93fa65db6e 9bd464fc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/28 18:49 linux-5.15.y fa93fa65db6e ef3de9e8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/28 00:28 linux-5.15.y fa93fa65db6e 6c853ff9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/26 19:49 linux-5.15.y fa93fa65db6e 9aee4e0b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/23 16:01 linux-5.15.y fa93fa65db6e d7d32352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/22 09:34 linux-5.15.y fa93fa65db6e ca02180f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/17 07:37 linux-5.15.y 7e89efd3ae1c dbc93b08 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/08 16:35 linux-5.15.y 7e89efd3ae1c 61405512 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/07 13:14 linux-5.15.y 7e89efd3ae1c 109d2082 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/02 08:21 linux-5.15.y 7e89efd3ae1c 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/02 03:06 linux-5.15.y 7e89efd3ae1c 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/08/01 01:56 linux-5.15.y 7e89efd3ae1c 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/07/24 21:02 linux-5.15.y 7c6d66f0266f d1a1b0ca .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/07/24 07:40 linux-5.15.y 7c6d66f0266f 57b2edb1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/07/19 02:25 linux-5.15.y 7c6d66f0266f ee4e11c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/07/16 12:54 linux-5.15.y f45bea23c39c b66b37bd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/07/11 09:58 linux-5.15.y f45bea23c39c c699c2eb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/07/09 15:23 linux-5.15.y f45bea23c39c 79d68ada .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/07/08 18:02 linux-5.15.y f45bea23c39c cde64f7d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/06/30 13:24 linux-5.15.y 4878aadf2d15 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/06/30 10:31 linux-5.15.y 4878aadf2d15 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in firmware_fallback_sysfs
2024/06/20 20:44 linux-5.15.y 4878aadf2d15 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan 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
2024/08/12 08:14 linux-5.15.y 7e89efd3ae1c 6f4edef4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/08/02 09:28 linux-5.15.y 7e89efd3ae1c 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/07/02 03:38 linux-5.15.y 4878aadf2d15 b294e901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/07/02 02:18 linux-5.15.y 4878aadf2d15 b294e901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/06/30 03:39 linux-5.15.y 4878aadf2d15 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in firmware_fallback_sysfs
2024/06/28 13:28 linux-5.15.y 4878aadf2d15 6ef39602 .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.