syzbot


WARNING in ib_uverbs_remove_one

Status: auto-closed as invalid on 2021/03/24 12:31
Subsystems: fs
[Documentation on labels]
Reported-by: syzbot+d3f37b9458fe8281d078@syzkaller.appspotmail.com
First crash: 1460d, last: 1180d
Discussions (1)
Title Replies (including bot) Last reply
WARNING in ib_uverbs_remove_one 0 (1) 2020/03/20 17:36

Sample crash report:
smc: removing ib device sy
------------[ cut here ]------------
sysfs group 'power' not found for kobject 'uverbs0'
WARNING: CPU: 1 PID: 51 at fs/sysfs/group.c:279 sysfs_remove_group+0x126/0x170 fs/sysfs/group.c:279
Modules linked in:
CPU: 1 PID: 51 Comm: kworker/u4:3 Not tainted 5.10.0-rc7-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 20 7c 5b 89 e8 e6 30 c5 06 <0f> 0b eb 98 e8 41 2f ca ff e9 01 ff ff ff 48 89 df e8 34 2f ca ff
RSP: 0018:ffffc90000f0fa98 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffffffff89b57c00 RCX: 0000000000000000
RDX: ffff888011074ec0 RSI: ffffffff8158c835 RDI: fffff520001e1f45
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880b9f30627
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888065f06060
R13: ffffffff89b581a0 R14: ffff88802aff45b8 R15: ffffffff8c698220
FS:  0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5325d86000 CR3: 000000002295f000 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_uverbs_remove_one+0x33/0x4f0 drivers/infiniband/core/uverbs_main.c:1213
 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:2272
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2418
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

Crashes (338):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/12/13 16:26 upstream 6bff9bb8a292 bca53db9 .config console log report info ci-upstream-kasan-gce-root
2020/12/12 08:36 upstream 7f376f1917d7 bca53db9 .config console log report info ci-upstream-kasan-gce-root
2020/12/11 14:55 upstream 33dc9614dc20 ba24ffcd .config console log report info ci-upstream-kasan-gce-root
2020/12/09 21:04 upstream a68a0262abda c090b4da .config console log report info ci-upstream-kasan-gce-root
2020/12/09 18:21 upstream a68a0262abda c090b4da .config console log report info ci-upstream-kasan-gce-root
2020/12/09 05:42 upstream 7d8761ba27fc 40cc414d .config console log report info ci-upstream-kasan-gce-root
2020/12/09 00:38 upstream 7d8761ba27fc a7f7f4a4 .config console log report info ci-upstream-kasan-gce-root
2020/12/01 15:29 upstream b65054597872 07bfe8a5 .config console log report info ci-upstream-kasan-gce-smack-root
2020/11/30 15:00 upstream b65054597872 78d50c1d .config console log report info ci-upstream-kasan-gce-smack-root
2020/11/24 19:01 upstream d5beb3140f91 e34b696c .config console log report info ci-upstream-kasan-gce-selinux-root
2020/11/17 14:57 upstream 9c87c9f41245 bd2a760b .config console log report info ci-upstream-kasan-gce-selinux-root
2020/10/04 17:27 upstream 22fbc037cd32 5ef9c291 .config console log report info ci-upstream-kasan-gce-root
2020/10/04 11:52 upstream 22fbc037cd32 5ef9c291 .config console log report info ci-upstream-kasan-gce-root
2020/10/03 23:09 upstream 22fbc037cd32 1a3f9408 .config console log report info ci-upstream-kasan-gce-root
2020/10/03 19:17 upstream d3d45f8220d6 2653fa43 .config console log report info ci-upstream-kasan-gce-selinux-root
2020/09/20 10:21 upstream 325d0eab4f31 53ce8104 .config console log report info ci-upstream-kasan-gce-smack-root
2020/09/17 23:23 upstream 5925fa68fe82 8247808b .config console log report info ci-upstream-kasan-gce-smack-root
2020/09/17 14:15 upstream 5925fa68fe82 8247808b .config console log report info ci-upstream-kasan-gce-smack-root
2020/09/17 08:03 upstream 5925fa68fe82 8247808b .config console log report info ci-upstream-kasan-gce-smack-root
2020/09/17 02:22 upstream 5925fa68fe82 8247808b .config console log report info ci-upstream-kasan-gce-smack-root
2020/09/14 08:59 upstream e4c26faa426c 2d3cdd63 .config console log report ci-upstream-kasan-gce-smack-root
2020/09/10 00:54 upstream 34d4ddd359db 409809d8 .config console log report ci-upstream-kasan-gce-smack-root
2020/06/03 13:19 upstream d6f9469a03d8 a5ce5de0 .config console log report ci-qemu-upstream
2020/03/19 03:55 upstream 5076190daded 0a96a13c .config console log report ci-upstream-kasan-gce-root
2020/12/02 00:38 net-old 237f977ab920 07bfe8a5 .config console log report info ci-upstream-net-this-kasan-gce
2020/11/30 13:54 net-old 4d521943f76b 78d50c1d .config console log report info ci-upstream-net-this-kasan-gce
2020/11/21 13:40 net-old 207d0bfc08f1 68068804 .config console log report info ci-upstream-net-this-kasan-gce
2020/11/15 12:59 net-old 849920c70339 1bf9a662 .config console log report info ci-upstream-net-this-kasan-gce
2020/10/06 04:53 net-old 4296adc3e32f 1880b4a9 .config console log report info ci-upstream-net-this-kasan-gce
2020/10/05 11:55 net-old 580e4273d7a8 5ef9c291 .config console log report info ci-upstream-net-this-kasan-gce
2020/12/24 12:30 net-next-old 3db1a3fa9880 c2c1d1dd .config console log report info ci-upstream-net-kasan-gce
2020/10/11 04:38 net-next-old c77fb07fae36 4a77ae0b .config console log report info ci-upstream-net-kasan-gce
2020/10/10 23:24 net-next-old c77fb07fae36 4a77ae0b .config console log report info ci-upstream-net-kasan-gce
2020/10/09 03:12 net-next-old 9d49aea13f1e 92390980 .config console log report info ci-upstream-net-kasan-gce
2020/10/03 03:53 net-next-old 678cdd496708 2653fa43 .config console log report info ci-upstream-net-kasan-gce
2020/10/01 14:26 net-next-old f2e834694b0d a9767fb2 .config console log report info ci-upstream-net-kasan-gce
2020/09/30 19:50 net-next-old 879456bedbe5 8516f6d3 .config console log report info ci-upstream-net-kasan-gce
2020/09/29 00:35 net-next-old bcbf1be0ad49 6bfdbe89 .config console log report info ci-upstream-net-kasan-gce
2020/09/27 13:24 net-next-old 435be28b0789 5dd8aee8 .config console log report info ci-upstream-net-kasan-gce
2020/09/26 12:35 net-next-old 6fba737a9320 4a006f63 .config console log report info ci-upstream-net-kasan-gce
2020/09/26 07:15 net-next-old 6fba737a9320 4a006f63 .config console log report info ci-upstream-net-kasan-gce
2020/09/25 21:17 net-next-old aafe8853f5e2 4a006f63 .config console log report info ci-upstream-net-kasan-gce
2020/09/24 21:36 net-next-old 1a26e88d534b 54289b08 .config console log report info ci-upstream-net-kasan-gce
2020/09/24 20:21 net-next-old 1a26e88d534b 54289b08 .config console log report info ci-upstream-net-kasan-gce
2020/09/23 11:43 net-next-old 748d1c8a425e 287cd75a .config console log report info ci-upstream-net-kasan-gce
2020/09/22 13:32 net-next-old b696db590f5d 9e1fa68e .config console log report info ci-upstream-net-kasan-gce
2020/09/16 04:40 net-next-old 0f9ad4e75944 18d7d030 .config console log report info ci-upstream-net-kasan-gce
2020/09/12 20:34 net-next-old 5a6bd84f8154 ce441f06 .config console log report ci-upstream-net-kasan-gce
2020/09/11 22:53 net-next-old 9984c0bb22dc 79fb24e2 .config console log report ci-upstream-net-kasan-gce
2020/09/09 00:02 net-next-old 4349abdb409b abf9ba4f .config console log report ci-upstream-net-kasan-gce
2020/09/07 18:39 net-next-old 02a20d4fef3d abf9ba4f .config console log report ci-upstream-net-kasan-gce
2020/09/06 12:47 net-next-old be239c4d5e3e abf9ba4f .config console log report ci-upstream-net-kasan-gce
2020/11/13 19:01 linux-next 92edc4aef867 e1140d25 .config console log report info ci-upstream-linux-next-kasan-gce-root
2020/09/06 18:06 linux-next 7a6956579ce6 abf9ba4f .config console log report ci-upstream-linux-next-kasan-gce-root
2020/09/06 16:39 linux-next 7a6956579ce6 abf9ba4f .config console log report ci-upstream-linux-next-kasan-gce-root
* Struck through repros no longer work on HEAD.