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WARNING in dpm_sysfs_add

Status: auto-obsoleted due to no activity on 2023/08/23 09:06
Subsystems: fs
[Documentation on labels]
Reported-by: syzbot+578bea23bb8e6bd8c33c@syzkaller.appspotmail.com
First crash: 1096d, last: 522d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] WARNING in dpm_sysfs_add 0 (1) 2021/10/19 18:43
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in dpm_sysfs_add 2 9d01h 67d 0/3 upstream: reported on 2024/08/10 07:52
upstream WARNING in dpm_sysfs_add (2) fs 6 277d 386d 0/28 auto-obsoleted due to no activity on 2024/04/11 10:23

Sample crash report:
usb 4-1: Direct firmware load for ueagle-atm/adi930.fw failed with error -2
usb 4-1: Falling back to sysfs fallback for: ueagle-atm/adi930.fw
------------[ cut here ]------------
sysfs group 'power' not found for kobject 'ueagle-atm!adi930.fw'
WARNING: CPU: 1 PID: 26 at fs/sysfs/group.c:278 sysfs_remove_group+0x12a/0x170 fs/sysfs/group.c:278
Modules linked in:
CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.1.0-syzkaller-10467-g6f1f5caed5bf #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+0x12a/0x170 fs/sysfs/group.c:278
Code: 48 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 37 48 8b 33 48 c7 c7 c0 05 5f 8a e8 ca 20 ad 07 <0f> 0b eb 98 e8 ad fc c8 ff e9 01 ff ff ff 48 89 df e8 a0 fc c8 ff
RSP: 0018:ffffc90000a1f970 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffffffff8acd2500 RCX: 0000000000000000
RDX: ffff8880127eba80 RSI: ffffffff8165ca1c RDI: fffff52000143f20
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffff888040f48008
R13: ffffffff8acd2aa0 R14: 1ffff92000143f41 R15: ffff88807a61a0a8
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffbb1d5fa8 CR3: 000000007e82f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dpm_sysfs_add+0x1f8/0x290 drivers/base/power/sysfs.c:734
 device_add+0xa86/0x1e90 drivers/base/core.c:3474
 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:82 [inline]
 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:158 [inline]
 firmware_fallback_sysfs+0x2d9/0xba0 drivers/base/firmware_loader/fallback.c:234
 _request_firmware+0xbca/0x1190 drivers/base/firmware_loader/main.c:856
 request_firmware_work_func+0xe1/0x240 drivers/base/firmware_loader/main.c:1105
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Crashes (26):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/12/15 08:36 upstream 6f1f5caed5bf b18f0a64 .config console log report info ci-upstream-kasan-gce WARNING in dpm_sysfs_add
2022/09/26 14:26 upstream f76349cf4145 d59ba983 .config console log report info ci-qemu-upstream WARNING in dpm_sysfs_add
2022/09/24 12:45 upstream a63f2e7cb110 0042f2b4 .config console log report info [disk image] [vmlinux] ci-upstream-kasan-gce WARNING in dpm_sysfs_add
2022/09/01 23:53 upstream 2880e1a175b9 86c46e46 .config console log report info ci-upstream-kasan-gce-root WARNING in dpm_sysfs_add
2022/08/08 17:36 upstream 200e340f2196 88e3a122 .config console log report info ci-upstream-kasan-gce WARNING in dpm_sysfs_add
2022/07/14 05:25 upstream 4a57a8400075 5d921b08 .config console log report info ci-upstream-kasan-gce-root WARNING in dpm_sysfs_add
2022/05/25 04:45 upstream aa051d36ce4a 647c0e27 .config console log report info ci-upstream-kasan-gce-selinux-root WARNING in dpm_sysfs_add
2022/04/19 01:56 upstream b2d229d4ddb1 8bcc32a6 .config console log report info ci-upstream-kasan-gce-smack-root WARNING in dpm_sysfs_add
2022/04/18 18:56 upstream b2d229d4ddb1 8bcc32a6 .config console log report info ci-upstream-kasan-gce-selinux-root WARNING in dpm_sysfs_add
2022/04/17 05:59 upstream 90ea17a9e27b 8bcc32a6 .config console log report info ci-upstream-kasan-gce-selinux-root WARNING in dpm_sysfs_add
2022/04/14 11:54 upstream a19944809fe9 b17b2923 .config console log report info ci-qemu-upstream WARNING in dpm_sysfs_add
2022/04/14 11:46 upstream a19944809fe9 b17b2923 .config console log report info ci-qemu-upstream WARNING in dpm_sysfs_add
2022/03/01 23:45 upstream 575115360652 45a13a73 .config console log report info ci-upstream-kasan-gce-smack-root WARNING in dpm_sysfs_add
2022/01/25 12:14 upstream a08b41ab9e2e 2cbffd88 .config console log report info ci-upstream-kasan-gce WARNING in dpm_sysfs_add
2023/05/12 18:36 upstream cc3c44c9fda2 ecca8a24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in dpm_sysfs_add
2022/10/21 19:25 upstream e35184f32151 4bfd3c27 .config console log report info ci-upstream-kasan-gce-386 WARNING in dpm_sysfs_add
2022/07/18 09:48 upstream ff6992735ade 95cb00d1 .config console log report info ci-upstream-kasan-gce-386 WARNING in dpm_sysfs_add
2022/04/17 05:39 upstream 90ea17a9e27b 8bcc32a6 .config console log report info ci-upstream-kasan-gce-386 WARNING in dpm_sysfs_add
2022/02/20 03:14 upstream 4f12b742eb2b 3cd800e4 .config console log report info ci-qemu-upstream-386 WARNING in dpm_sysfs_add
2021/10/15 18:31 upstream ec681c53f8d2 0c5d9412 .config console log report info ci-qemu-upstream-386 WARNING in dpm_sysfs_add
2023/01/26 15:22 linux-next 691781f561e9 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in dpm_sysfs_add
2022/11/21 00:44 linux-next 15f3bff12cf6 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in dpm_sysfs_add
2022/10/26 17:42 linux-next 4d48f589d294 2159e4d2 .config console log report info [disk image] [vmlinux] ci-upstream-linux-next-kasan-gce-root WARNING in dpm_sysfs_add
2022/07/14 17:28 linux-next cb71b93c2dc3 5d921b08 .config console log report info ci-upstream-linux-next-kasan-gce-root WARNING in dpm_sysfs_add
2022/02/20 02:08 linux-next ef6b35306dd8 3cd800e4 .config console log report info ci-upstream-linux-next-kasan-gce-root WARNING in dpm_sysfs_add
2021/12/27 12:37 linux-next ea586a076e8a e4f103c4 .config console log report info ci-upstream-linux-next-kasan-gce-root WARNING in dpm_sysfs_add
* Struck through repros no longer work on HEAD.