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WARNING in ib_umad_kill_port

Status: auto-closed as invalid on 2021/04/15 02:29
Subsystems: fs
[Documentation on labels]
Reported-by: syzbot+9627a92b1f9262d5d30c@syzkaller.appspotmail.com
First crash: 1484d, last: 1226d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
WARNING in ib_umad_kill_port 8 (9) 2020/04/09 13:35

Sample crash report:
smc: removing ib device sy
------------[ cut here ]------------
sysfs group 'power' not found for kobject 'issm0'
WARNING: CPU: 1 PID: 9912 at fs/sysfs/group.c:279 sysfs_remove_group+0x126/0x170 fs/sysfs/group.c:279
Modules linked in:
CPU: 1 PID: 9912 Comm: kworker/u4:6 Not tainted 5.10.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound ib_unregister_work
RIP: 0010:sysfs_remove_group+0x126/0x170 fs/sysfs/group.c:279
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 e0 ad 5b 89 e8 03 b5 c9 06 <0f> 0b eb 98 e8 01 f3 c9 ff e9 01 ff ff ff 48 89 df e8 f4 f2 c9 ff
RSP: 0018:ffffc90016e97a40 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffffff89b5b860 RCX: 0000000000000000
RDX: ffff888029e1b580 RSI: ffffffff81594d05 RDI: fffff52002dd2f3a
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880b9f308a7
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88801c26e5d0
R13: ffffffff89b5be00 R14: ffff88805c494000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0009c9000 CR3: 00000000121b0000 CR4: 0000000000350ee0
Call Trace:
 dpm_sysfs_remove+0x97/0xb0 drivers/base/power/sysfs.c:837
 device_del+0x20c/0xec0 drivers/base/core.c:3092
 cdev_device_del+0x19/0x100 fs/char_dev.c:573
 ib_umad_kill_port+0x33/0x2b0 drivers/infiniband/core/user_mad.c:1326
 ib_umad_remove_one+0x179/0x280 drivers/infiniband/core/user_mad.c:1411
 remove_client_context+0xbe/0x110 drivers/infiniband/core/device.c:735
 disable_device+0x13b/0x270 drivers/infiniband/core/device.c:1249
 __ib_unregister_device+0x91/0x1a0 drivers/infiniband/core/device.c:1429
 ib_unregister_work+0x15/0x30 drivers/infiniband/core/device.c:1540
 process_one_work+0x933/0x15a0 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

Crashes (120):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/12/16 02:29 upstream d635a69dd498 97183ed7 .config console log report info ci-upstream-kasan-gce-root
2020/11/03 20:00 upstream b7cbaf59f62f cba33199 .config console log report info ci-upstream-kasan-gce-root
2020/10/03 23:45 upstream 22fbc037cd32 1a3f9408 .config console log report info ci-upstream-kasan-gce-smack-root
2020/08/31 01:14 upstream dcc5c6f013d8 d5a3ae1f .config console log report ci-upstream-kasan-gce-smack-root
2020/08/18 02:10 upstream 2cc3c4b3c2e9 424dd8e7 .config console log report ci-upstream-kasan-gce-smack-root
2020/08/16 04:47 upstream 4b6c093e21d3 424dd8e7 .config console log report ci-upstream-kasan-gce-smack-root
2020/06/08 08:49 upstream 7ae77150d94d 7751efd0 .config console log report ci-upstream-kasan-gce-selinux-root
2020/09/06 05:16 net-old cc8e58f8325c abf9ba4f .config console log report ci-upstream-net-this-kasan-gce
2020/04/01 19:39 net-old 304e024216a8 a34e2c33 .config console log report ci-upstream-net-this-kasan-gce
2020/10/15 08:49 net-next-old d25e2e9388ed 63869021 .config console log report info ci-upstream-net-kasan-gce
2020/10/12 23:33 net-next-old 15f5e48f93c0 d32b0bbf .config console log report info ci-upstream-net-kasan-gce
2020/10/12 06:00 net-next-old bc081a693a56 4a77ae0b .config console log report info ci-upstream-net-kasan-gce
2020/10/12 03:28 net-next-old bc081a693a56 4a77ae0b .config console log report info ci-upstream-net-kasan-gce
2020/10/08 14:34 net-next-old 9faebeb2d800 92390980 .config console log report info ci-upstream-net-kasan-gce
2020/10/04 04:29 net-next-old 186e26eb139a 1a3f9408 .config console log report info ci-upstream-net-kasan-gce
2020/10/01 14:58 net-next-old f2e834694b0d a9767fb2 .config console log report info ci-upstream-net-kasan-gce
2020/09/26 17:22 net-next-old 6fba737a9320 2d5ea0cb .config console log report info ci-upstream-net-kasan-gce
2020/09/26 12:24 net-next-old 6fba737a9320 4a006f63 .config console log report info ci-upstream-net-kasan-gce
2020/09/26 01:28 net-next-old aafe8853f5e2 4a006f63 .config console log report info ci-upstream-net-kasan-gce
2020/09/24 13:57 net-next-old 1a26e88d534b 54289b08 .config console log report info ci-upstream-net-kasan-gce
2020/09/21 16:33 net-next-old 3cec0369905d 9e1fa68e .config console log report info ci-upstream-net-kasan-gce
2020/09/19 01:53 net-next-old 1d39cd8cf75f 53ce8104 .config console log report info ci-upstream-net-kasan-gce
2020/09/18 20:16 net-next-old 1d39cd8cf75f 53ce8104 .config console log report info ci-upstream-net-kasan-gce
2020/09/17 12:43 net-next-old b948577b984a 8247808b .config console log report info ci-upstream-net-kasan-gce
2020/09/13 00:24 net-next-old 5a6bd84f8154 ce441f06 .config console log report ci-upstream-net-kasan-gce
2020/09/11 17:03 net-next-old 9984c0bb22dc adfb8b4e .config console log report ci-upstream-net-kasan-gce
2020/09/11 16:42 net-next-old 9984c0bb22dc adfb8b4e .config console log report ci-upstream-net-kasan-gce
2020/09/09 18:07 net-next-old f5499c67477e 0ea7a887 .config console log report ci-upstream-net-kasan-gce
2020/09/07 21:00 net-next-old bb1416adb8a0 abf9ba4f .config console log report ci-upstream-net-kasan-gce
2020/09/07 16:55 net-next-old 02a20d4fef3d abf9ba4f .config console log report ci-upstream-net-kasan-gce
2020/09/06 19:41 net-next-old be239c4d5e3e abf9ba4f .config console log report ci-upstream-net-kasan-gce
2020/09/06 11:13 net-next-old 447a851bdb1a abf9ba4f .config console log report ci-upstream-net-kasan-gce
2020/09/05 06:34 net-next-old 44a8c4f33c00 abf9ba4f .config console log report ci-upstream-net-kasan-gce
2020/09/04 23:57 net-next-old 3ab1270bfa1e abf9ba4f .config console log report ci-upstream-net-kasan-gce
2020/09/01 02:58 net-next-old c30a3c957c88 d5a3ae1f .config console log report ci-upstream-net-kasan-gce
2020/08/31 17:05 net-next-old 0f091e43310f d5a3ae1f .config console log report ci-upstream-net-kasan-gce
2020/08/31 05:51 net-next-old 0f091e43310f d5a3ae1f .config console log report ci-upstream-net-kasan-gce
2020/08/31 02:31 net-next-old 0f091e43310f d5a3ae1f .config console log report ci-upstream-net-kasan-gce
2020/08/29 23:10 net-next-old 0f091e43310f d5a3ae1f .config console log report ci-upstream-net-kasan-gce
2020/08/29 16:07 net-next-old 0f091e43310f d5a3ae1f .config console log report ci-upstream-net-kasan-gce
2020/08/27 17:57 net-next-old f09665811b14 816e0689 .config console log report ci-upstream-net-kasan-gce
2020/08/25 08:47 net-next-old 85eb5bc33717 344da168 .config console log report ci-upstream-net-kasan-gce
2020/08/21 21:18 net-next-old d0a84e1f38d9 6436ce4b .config console log report ci-upstream-net-kasan-gce
2020/08/20 21:39 net-next-old 1e76a2ff317d 1d75fe45 .config console log report ci-upstream-net-kasan-gce
2020/08/17 20:08 net-next-old 7fca4dee610d 424dd8e7 .config console log report ci-upstream-net-kasan-gce
2020/08/17 12:05 net-next-old 7fca4dee610d 424dd8e7 .config console log report ci-upstream-net-kasan-gce
2020/08/17 04:15 net-next-old 7fca4dee610d 424dd8e7 .config console log report ci-upstream-net-kasan-gce
2020/08/16 21:32 net-next-old 7fca4dee610d 424dd8e7 .config console log report ci-upstream-net-kasan-gce
2020/08/15 17:15 net-next-old 7fca4dee610d 424dd8e7 .config console log report ci-upstream-net-kasan-gce
2020/08/15 04:56 net-next-old 7fca4dee610d 424dd8e7 .config console log report ci-upstream-net-kasan-gce
2020/08/13 14:17 net-next-old bfdd5aaa54b0 bc15f7db .config console log report ci-upstream-net-kasan-gce
2020/08/13 11:29 net-next-old bfdd5aaa54b0 bc15f7db .config console log report ci-upstream-net-kasan-gce
2020/08/11 19:40 net-next-old bfdd5aaa54b0 bacaf5fa .config console log report ci-upstream-net-kasan-gce
2020/08/11 07:43 net-next-old bfdd5aaa54b0 7adc7b65 .config console log report ci-upstream-net-kasan-gce
2020/09/03 22:22 linux-next 7a6956579ce6 abf9ba4f .config console log report ci-upstream-linux-next-kasan-gce-root
* Struck through repros no longer work on HEAD.