syzbot


WARNING in nci_unregister_device

Status: upstream: reported on 2022/11/14 03:11
Reported-by: syzbot+793f4af30562b0fe1614@syzkaller.appspotmail.com
First crash: 13d, last: 2d07h

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5845 at kernel/workqueue.c:4442 destroy_workqueue.cold+0x5/0x74 kernel/workqueue.c:4442
Modules linked in:
CPU: 0 PID: 5845 Comm: syz-executor.4 Not tainted 6.1.0-rc5-syzkaller-00015-g81e7cfa3a9eb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:destroy_workqueue.cold+0x5/0x74 kernel/workqueue.c:4442
Code: 08 4c 89 ff e8 40 b4 21 f8 48 8b 43 68 49 39 c7 0f 84 75 ff ff ff e9 59 ff ff ff e8 09 b4 21 f8 e9 3c ff ff ff e8 4f f2 d4 f7 <0f> 0b 48 c7 c6 60 63 4b 8a 48 c7 c7 60 5b 4b 8a 49 8d 96 60 01 00
RSP: 0018:ffffc9000ad6fd48 EFLAGS: 00010093
RAX: 0000000000000000 RBX: ffff888074fc5824 RCX: 0000000000000000
RDX: ffff8880285d8000 RSI: ffffffff89ab2731 RDI: 0000000000000005
RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff888074fc5800 R14: ffff888021a30800 R15: 0000000000000001
FS:  0000555556d44400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000280 CR3: 000000007e1eb000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 nci_unregister_device+0x68/0x310 net/nfc/nci/core.c:1293
 virtual_ncidev_close+0x71/0x90 drivers/nfc/virtual_ncidev.c:166
 __fput+0x27c/0xa90 fs/file_table.c:320
 task_work_run+0x16f/0x270 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f561b83d40b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffd31d3cac0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f561b83d40b
RDX: 0000001b30a20000 RSI: 0000001b30a26134 RDI: 0000000000000003
RBP: 00007f561b9ad980 R08: 0000000000000000 R09: 000000007eceaeb2
R10: 00007ffd31d5a090 R11: 0000000000000293 R12: 00000000000fa59b
R13: 00007ffd31d3cbc0 R14: 00007f561b9ac120 R15: 0000000000000032
 </TASK>

Crashes (54):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2022/11/16 06:28 upstream 81e7cfa3a9eb 3a127a31 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/24 19:42 upstream c3eb11fbb826 3b903dad .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/22 06:06 upstream eb7081409f94 1c576c23 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64 2022/11/21 22:14 upstream eb7081409f94 f9a97739 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/21 20:18 upstream eb7081409f94 f9a97739 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/21 16:59 upstream eb7081409f94 f9a97739 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64-mte 2022/11/21 01:39 upstream 77c51ba552a1 5bb70014 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/20 23:01 upstream 77c51ba552a1 5bb70014 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64 2022/11/20 11:45 upstream b6e7fdfd6f6a 5bb70014 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/19 20:44 upstream fe24a97cf254 5bb70014 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/19 07:55 upstream 950a9f564aea 5bb70014 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64-mte 2022/11/19 07:31 upstream ab290eaddc4c 5bb70014 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64-mte 2022/11/19 06:32 upstream ab290eaddc4c 5bb70014 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/19 04:54 upstream 950a9f564aea 5bb70014 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/19 04:44 upstream 950a9f564aea 5bb70014 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/18 17:36 upstream 84368d882b96 5bb70014 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64-mte 2022/11/18 15:39 upstream 84368d882b96 5bb70014 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64 2022/11/18 15:06 upstream 84368d882b96 5bb70014 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64-mte 2022/11/18 14:58 upstream 84368d882b96 5bb70014 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64-mte 2022/11/17 11:19 upstream cc675d22e422 bfcab33d .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64-mte 2022/11/17 11:15 upstream cc675d22e422 bfcab33d .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/17 09:17 upstream cc675d22e422 bfcab33d .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/17 05:41 upstream cc675d22e422 bfcab33d .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/16 20:36 upstream 59d0d52c30d4 bfcab33d .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/16 19:55 upstream 59d0d52c30d4 bfcab33d .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64-mte 2022/11/16 18:16 upstream 59d0d52c30d4 bfcab33d .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/16 17:26 upstream 59d0d52c30d4 bfcab33d .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/16 17:09 upstream 59d0d52c30d4 bfcab33d .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/16 17:07 upstream 59d0d52c30d4 bfcab33d .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/16 07:34 upstream 81e7cfa3a9eb bfcab33d .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/16 04:31 upstream 81e7cfa3a9eb bfcab33d .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/16 03:21 upstream 81e7cfa3a9eb bfcab33d .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/16 03:18 upstream 81e7cfa3a9eb bfcab33d .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64-mte 2022/11/15 13:31 upstream e01d50cbd6ee 97de9cfc .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/15 12:27 upstream e01d50cbd6ee 97de9cfc .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64 2022/11/15 11:57 upstream e01d50cbd6ee 97de9cfc .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64-mte 2022/11/15 10:49 upstream e01d50cbd6ee 97de9cfc .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/15 10:46 upstream e01d50cbd6ee 97de9cfc .config log report info WARNING in nci_unregister_device
ci-qemu2-arm64 2022/11/15 10:45 upstream e01d50cbd6ee 97de9cfc .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/15 07:29 upstream e01d50cbd6ee 97de9cfc .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/15 06:28 upstream e01d50cbd6ee 97de9cfc .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/14 21:29 upstream 094226ad94f4 943f4cb8 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/14 21:26 upstream 094226ad94f4 943f4cb8 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/14 19:05 upstream 094226ad94f4 943f4cb8 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/14 17:20 upstream 094226ad94f4 943f4cb8 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/14 05:14 upstream af7a05689189 7ba4d859 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/14 03:02 upstream af7a05689189 7ba4d859 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/14 01:38 upstream af7a05689189 7ba4d859 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/14 01:23 upstream af7a05689189 7ba4d859 .config log report info WARNING in nci_unregister_device
ci-qemu2-arm32 2022/11/14 01:02 upstream af7a05689189 7ba4d859 .config log report info WARNING in nci_unregister_device
* Struck through repros no longer work on HEAD.