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WARNING in fw_load_sysfs_fallback

Status: upstream: reported C repro on 2021/04/03 13:33
Subsystems: fs (incorrect?)
Reported-by: syzbot+b064fbd5fc8b2cfae49d@syzkaller.appspotmail.com
First crash: 722d, last: 48d

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
Last 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:
WARNING: CPU: 0 PID: 5066 at fs/sysfs/group.c:280 sysfs_remove_group+0x183/0x2b0 fs/sysfs/group.c:278
Modules linked in:
CPU: 0 PID: 5066 Comm: kworker/0:3 Not tainted 6.2.0-rc1-syzkaller-00095-ge4cf7c25bae5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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 62 f5 c5 ff 49 8b 14 24 48 c7 c7 a0 d2 20 8b 4c 89 f6 31 c0 e8 ad 95 35 ff <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d7 42 6f ff
RSP: 0018:ffffc90003d4f880 EFLAGS: 00010246
RAX: b60cedeced5b7a00 RBX: ffff888017a7b038 RCX: ffff88802c680000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81709fad R09: ffffed1017304f5b
R10: ffffed1017304f5b R11: 1ffff11017304f5a R12: ffff888017a7b008
R13: 1ffffffff17236fc R14: ffffffff8b91b7c0 R15: ffff88814ac62000
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff5dbd1201d CR3: 00000000204a5000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 device_del+0x2ed/0xbe0 drivers/base/core.c:3643
 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+0x44b/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 arch/x86/entry/entry_64.S:308
 </TASK>

Crashes (241):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-kasan-gce-smack-root 2023/01/01 08:36 upstream e4cf7c25bae5 ab32d508 .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/11/28 00:23 upstream faf68e3523c2 74a66371 .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/11/26 11:54 upstream 0b1dcc2cf55a 74a66371 .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/10/29 02:43 upstream b229b6ca5abb ea12ae9b .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/10/28 21:18 upstream b229b6ca5abb ea12ae9b .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/10/25 18:56 upstream a970174d7a10 45645420 .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/10/17 01:24 upstream 55be6084c8e0 67cb024c .config strace log report syz C [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/10/15 15:02 upstream 55be6084c8e0 67cb024c .config strace log report syz C [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/10/05 21:15 upstream 2bca25eaeba6 267e3bb1 .config strace log report syz C [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/10/05 20:35 upstream 2bca25eaeba6 267e3bb1 .config strace log report syz C [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/08/28 14:18 upstream 10d4879f9ef0 07177916 .config strace log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/08/27 12:33 upstream 3e5c673f0d75 07177916 .config strace log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/08/14 13:23 upstream 7ebfc85e2cd7 8dfcaa3d .config strace log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/08/09 09:38 upstream 200e340f2196 da700653 .config strace log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/08/08 18:56 upstream 200e340f2196 88e3a122 .config strace log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/08/08 00:35 upstream 200e340f2196 88e3a122 .config strace log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/08/07 23:52 upstream 200e340f2196 88e3a122 .config strace log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/07/28 03:30 upstream 6e7765cb477a fb95c74d .config strace log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/07/24 00:35 upstream 70664fc10c0d 22343af4 .config strace log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/07/06 00:34 upstream e35e5b6f695d bff65f44 .config strace 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 strace 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 console 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 console 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 console 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 console 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 console 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 console 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 console 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 console 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 console 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 console log report syz C WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/11/19 05:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config console log report syz C [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/10/10 04:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 aea5da89 .config console log report syz C [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/10/08 22:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 aea5da89 .config console log report syz C [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/09/25 09:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config console log report syz C [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/09/24 15:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config console log report syz C [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2023/01/26 15:34 upstream 7c46948a6e9c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2023/01/03 08:01 upstream 69b41ac87e4a ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2023/01/03 06:35 upstream 69b41ac87e4a ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2023/01/02 19:58 upstream 88603b6dc419 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2023/01/02 17:33 upstream 88603b6dc419 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2023/01/02 05:34 upstream 150aae354b81 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2023/01/01 01:08 upstream e4cf7c25bae5 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/12/31 16:32 upstream c8451c141e07 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/12/23 14:04 upstream 8395ae05cb5a 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/12/04 18:50 upstream 97ee9d1c1696 e080de16 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/12/01 06:05 upstream 04aa64375f48 4c2a66e8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/11/24 12:37 upstream 4312098baf37 12c66417 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/11/19 02:00 upstream 84368d882b96 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/11/12 09:59 upstream f5020a08b2b3 3ead01ad .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/11/01 14:36 upstream b229b6ca5abb a1d8560a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/10/31 07:09 upstream b229b6ca5abb 2a71366b .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/10/30 20:30 upstream b229b6ca5abb 2a71366b .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/10/16 15:33 upstream 55be6084c8e0 67cb024c .config console log report info [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/10/15 13:40 upstream 55be6084c8e0 67cb024c .config console log report info [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/10/08 04:44 upstream 4c86114194e6 0de35f24 .config console log report info [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2022/09/27 03:46 upstream 3800a713b607 10323ddf .config console log report info [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-kasan-gce-smack-root 2021/03/30 13:29 upstream 1e43c377a79f 6a81331a .config console log report info WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2023/02/03 05:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 16d19e30 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2023/01/30 12:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c62c88e05937 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2023/01/26 09:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e84eedb182e 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/12/31 17:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/12/08 23:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 1034e5fa .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/12/05 03:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e3cb714fb489 e080de16 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/12/05 02:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e3cb714fb489 e080de16 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/12/02 21:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e3cb714fb489 e080de16 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/12/01 13:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci cdb931b58ff5 4c2a66e8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/11/24 17:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 65762d97e6fa 62e26685 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/11/17 20:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 4ba8ab94 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/11/16 21:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 3a127a31 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/11/08 16:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 3577a7611842 881db35d .config console log report info [disk image] [vmlinux] [kernel image] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/10/23 17:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 23bf86af .config console log report info [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/10/22 23:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 c0b80a55 .config console log report info [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/10/22 17:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 c0b80a55 .config console log report info [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/10/22 07:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 c0b80a55 .config console log report info [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/10/22 03:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 4bfd3c27 .config console log report info [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/10/21 13:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 4bfd3c27 .config console log report info [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/10/16 15:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 67cb024c .config console log report info [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/10/02 02:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 feb56351 .config console log report info [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
ci-upstream-gce-arm64 2022/09/30 00:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5911b92626df 1d385642 .config console log report info [disk image] [vmlinux] WARNING in fw_load_sysfs_fallback
* Struck through repros no longer work on HEAD.