syzbot


WARNING: ODEBUG bug in hci_abort_conn_sync

Status: auto-obsoleted due to no activity on 2023/12/20 05:39
Subsystems: bluetooth
[Documentation on labels]
Reported-by: syzbot+caa0c2c363b91f7b6fdf@syzkaller.appspotmail.com
First crash: 245d, last: 245d

Sample crash report:
------------[ cut here ]------------
ODEBUG: free active (active state 0) object: ffff888021d2e348 object type: work_struct hint: hci_conn_timeout+0x0/0x280
WARNING: CPU: 0 PID: 5073 at lib/debugobjects.c:517 debug_print_object+0x173/0x1e0 lib/debugobjects.c:514
Modules linked in:
CPU: 0 PID: 5073 Comm: kworker/u5:3 Not tainted 6.6.0-rc2-syzkaller-00027-g5d2f53532ecc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Workqueue: hci5 hci_cmd_sync_work
RIP: 0010:debug_print_object+0x173/0x1e0 lib/debugobjects.c:514
Code: df e8 71 9d a2 fd 4c 8b 0b 48 c7 c7 00 a0 59 8b 48 8b 74 24 08 48 89 ea 44 89 e1 4d 89 f8 ff 34 24 e8 91 5a 0e fd 48 83 c4 08 <0f> 0b ff 05 75 c6 54 0a 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d
RSP: 0018:ffffc90003eef888 EFLAGS: 00010286
RAX: 8c31f90cc3226700 RBX: ffffffff8b09d4a0 RCX: ffff8880255abb80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffff8b59a180 R08: ffffffff81543312 R09: 1ffff920007dde64
R10: dffffc0000000000 R11: fffff520007dde65 R12: 0000000000000000
R13: ffffffff8b59a098 R14: dffffc0000000000 R15: ffff888021d2e348
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffce85c1ff8 CR3: 00000000837df000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __debug_check_no_obj_freed lib/debugobjects.c:1032 [inline]
 debug_check_no_obj_freed+0x2f7/0x420 lib/debugobjects.c:1063
 slab_free_hook mm/slub.c:1775 [inline]
 slab_free_freelist_hook mm/slub.c:1826 [inline]
 slab_free mm/slub.c:3809 [inline]
 __kmem_cache_free+0x20c/0x3b0 mm/slub.c:3822
 device_release+0x95/0x1c0
 kobject_cleanup lib/kobject.c:682 [inline]
 kobject_release lib/kobject.c:716 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1ee/0x430 lib/kobject.c:733
 hci_abort_conn_sync+0xa2d/0xf40
 hci_cmd_sync_work+0x238/0x390 net/bluetooth/hci_sync.c:306
 process_one_work kernel/workqueue.c:2630 [inline]
 process_scheduled_works+0x90f/0x1400 kernel/workqueue.c:2703
 worker_thread+0xa5f/0xff0 kernel/workqueue.c:2784
 kthread+0x2d3/0x370 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/21 05:38 upstream 5d2f53532ecc 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING: ODEBUG bug in hci_abort_conn_sync
* Struck through repros no longer work on HEAD.