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WARNING in fw_load_sysfs_fallback

Status: upstream: reported C repro on 2021/04/03 13:33
Reported-by: syzbot+b064fbd5fc8b2cfae49d@syzkaller.appspotmail.com
First crash: 463d, last: 19h06m

Cause bisection: introduced by (bisect log) [ignored commit]:
commit f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10
Author: Andrey Konovalov <andreyknvl@google.com>
Date: Mon Feb 24 16:13:03 2020 +0000

  usb: gadget: add raw-gadget interface

Crash: WARNING in firmware_fallback_sysfs (log)
Repro: C syz .config

Fix bisection: the fix commit could be any of (bisect log):
  52e44129fba5 Merge branch 'for-5.12-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
  f55966571d5e Merge tag 'drm-next-2021-07-08-1' of git://anongit.freedesktop.org/drm/drm
Patch testing requests:
Created Duration User Patch Repo Result
2021/12/10 14:27 11m phind.uet@gmail.com linux-next report log

Sample crash report:
sysfs group 'power' not found for kobject 'ueagle-atm!eagleII.fw'
WARNING: CPU: 1 PID: 26 at fs/sysfs/group.c:280 sysfs_remove_group+0x183/0x2b0 fs/sysfs/group.c:278
Modules linked in:

CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 5.19.0-rc5-syzkaller-00056-ge35e5b6f695d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Workqueue: events request_firmware_work_func

RIP: 0010:sysfs_remove_group+0x183/0x2b0 fs/sysfs/group.c:278
Code: 4c 89 e0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 e7 e8 72 7a c1 ff 49 8b 14 24 48 c7 c7 20 e1 9f 8a 4c 89 f6 31 c0 e8 4d 24 37 ff <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 37 8f 6e ff
RSP: 0018:ffffc90000a1f880 EFLAGS: 00010246
RAX: d89a6abc82987400 RBX: ffff88801dbda038 RCX: ffff888012b19d80
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff816bcd1d R09: ffffed1017364f14
R10: ffffed1017364f14 R11: 1ffff11017364f13 R12: ffff88801dbda008
R13: 1ffffffff1606e20 R14: ffffffff8b0370e0 R15: ffff8880172cb000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc9303daf8 CR3: 000000007d5f1000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 device_del+0x2ed/0xbe0 drivers/base/core.c:3581
 fw_load_sysfs_fallback+0x453/0x5e0 drivers/base/firmware_loader/fallback.c:120
 fw_load_from_user_helper+0x12d/0x1f0 drivers/base/firmware_loader/fallback.c:158
 _request_firmware+0x446/0x6a0 drivers/base/firmware_loader/main.c:856
 request_firmware_work_func+0x125/0x270 drivers/base/firmware_loader/main.c:1105
 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>

Crashes (112):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2022/07/06 00:34 upstream e35e5b6f695d bff65f44 .config log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/05/30 07:54 upstream b00ed48bb0a7 a46af346 .config log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/04/25 13:56 upstream af2d861d4cd2 c889aef9 .config log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/04/18 12:05 upstream b2d229d4ddb1 8bcc32a6 .config log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/04/18 11:30 upstream b2d229d4ddb1 8bcc32a6 .config log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/03/14 16:58 upstream 09688c0166e7 9e8eaa75 .config log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/03/13 09:19 upstream aad611a868d1 9e8eaa75 .config log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/03/02 01:07 upstream 575115360652 45a13a73 .config log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/03/01 17:52 upstream 719fce7539cd 45a13a73 .config log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/01/22 13:46 upstream 9b57f4589857 214351e1 .config log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2021/12/28 15:09 upstream a8ad9a2434dc 6b3c5e64 .config log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2021/04/11 15:07 upstream 52e44129fba5 bfeda1b1 .config log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/07/05 01:42 upstream c1084b6c5620 bff65f44 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/07/02 09:14 upstream 089866061428 1434eec0 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/06/27 15:31 upstream 03c765b0e3b4 a371c43c .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/06/20 22:27 upstream 78ca55889a54 8d15e28d .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/06/20 09:35 upstream a111daf0c53a 8f633d84 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/06/16 07:19 upstream 979086f5e006 1719ee24 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/06/12 21:32 upstream 7a68065eb9cd 0d5abf15 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/06/04 07:05 upstream 032dcf09e2bf c8857892 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/06/04 05:11 upstream 032dcf09e2bf c8857892 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/06/03 14:52 upstream 50fd82b3a9a9 eee80d3c .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/06/03 09:48 upstream 50fd82b3a9a9 02dddea8 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/05/22 00:09 upstream 6c3f5bec9b40 7268fa62 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/05/15 17:38 upstream bc403203d65a 744a39e2 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/04/26 14:36 upstream d615b5416f8a 1fa34c1b .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/04/21 04:26 upstream b253435746d9 d4befee1 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/04/14 11:46 upstream a19944809fe9 b17b2923 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/04/10 16:48 upstream 1862a69c9174 e22c3da3 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/03/30 18:23 upstream d888c83fcec7 42718dd6 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/03/26 15:30 upstream 52d543b5497c 89bc8608 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/03/22 09:01 upstream eaa54b1458ca e2d91b1d .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/03/22 09:00 upstream eaa54b1458ca e2d91b1d .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/03/19 14:34 upstream 34e047aa16c0 e2d91b1d .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/03/18 11:17 upstream 551acdc3c3d2 e2d91b1d .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/03/13 16:13 upstream aad611a868d1 9e8eaa75 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/03/13 06:36 upstream aad611a868d1 9e8eaa75 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/03/06 20:02 upstream dcde98da9970 7bdd8b2c .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/03/01 15:17 upstream 719fce7539cd 45a13a73 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/02/28 07:20 upstream 7e57714cd0ad 45a13a73 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/02/27 04:27 upstream 2c8c230edab5 45a13a73 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/02/22 16:44 upstream 038101e6b2cd 6e821dbf .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/02/20 02:03 upstream 4f12b742eb2b 3cd800e4 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/02/17 23:49 upstream f71077a4d84b 3cd800e4 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/02/16 05:28 upstream 705d84a366cf 8b9ca619 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/02/09 14:43 upstream e6251ab4551f 0b33604d .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/02/05 06:21 upstream dcb85f85fa6f e13a05ed .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/02/03 17:59 upstream 88808fbbead4 4ebb2798 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/01/29 22:08 upstream 169387e2aa29 495e00c5 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/01/29 16:27 upstream 169387e2aa29 495e00c5 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/01/26 06:42 upstream 0280e3c58f92 2cbffd88 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/01/25 12:28 upstream a08b41ab9e2e 2cbffd88 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/01/24 02:45 upstream dd81e1c7d5fb 214351e1 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/01/16 05:38 upstream a33f5c380c4b 723cfaf0 .config log report info WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2021/03/30 13:29 upstream 1e43c377a79f 6a81331a .config log report info WARNING in fw_load_sysfs_fallback