Hello, syzbot found the following issue on: HEAD commit: 555f3d7be91a Merge tag '5.17-rc3-ksmbd-server-fixes' of gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16e61b78700000 kernel config: https://syzkaller.appspot.com/x/.config?x=5707221760c00a20 dashboard link: https://syzkaller.appspot.com/bug?extid=45bff639f729e5f15653 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+45bff639f729e5f15653@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 WARNING: CPU: 1 PID: 15929 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Modules linked in: CPU: 1 PID: 15929 Comm: syz-executor.5 Not tainted 5.17.0-rc3-syzkaller-00020-g555f3d7be91a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 40 d4 05 8a 4c 89 ee 48 c7 c7 40 c8 05 8a e8 a4 34 24 05 <0f> 0b 83 05 35 4a b1 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 RSP: 0018:ffffc90002c37938 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 RDX: ffff88805689c200 RSI: ffffffff815ee378 RDI: fffff52000586f19 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815e80de R11: 0000000000000000 R12: ffffffff89ae3aa0 R13: ffffffff8a05cec0 R14: ffffffff81660040 R15: 1ffff92000586f32 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 000000005c7e8000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> debug_object_assert_init lib/debugobjects.c:895 [inline] debug_object_assert_init+0x1f4/0x2e0 lib/debugobjects.c:866 debug_timer_assert_init kernel/time/timer.c:739 [inline] debug_assert_init kernel/time/timer.c:784 [inline] del_timer+0x6d/0x110 kernel/time/timer.c:1204 try_to_grab_pending+0x6d/0xd0 kernel/workqueue.c:1285 __cancel_work_timer+0xa6/0x570 kernel/workqueue.c:3139 hci_dev_close_sync+0xb01/0x1120 net/bluetooth/hci_sync.c:4084 hci_dev_do_close+0x32/0x70 net/bluetooth/hci_core.c:553 hci_unregister_dev+0x1d0/0x550 net/bluetooth/hci_core.c:2686 vhci_release+0x7c/0xf0 drivers/bluetooth/hci_vhci.c:568 __fput+0x286/0x9f0 fs/file_table.c:311 task_work_run+0xdd/0x1a0 kernel/task_work.c:164 exit_task_work include/linux/task_work.h:32 [inline] do_exit+0xb29/0x2a30 kernel/exit.c:806 do_group_exit+0xd2/0x2f0 kernel/exit.c:935 __do_sys_exit_group kernel/exit.c:946 [inline] __se_sys_exit_group kernel/exit.c:944 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:944 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fe461979059 Code: Unable to access opcode bytes at RIP 0x7fe46197902f. RSP: 002b:00007ffe7d025b08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000064 RCX: 00007fe461979059 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 00007fe4619d225c R08: 000000000000000c R09: 000055555596c3b8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000016 R13: 00007ffe7d026de0 R14: 000055555596c3b8 R15: 00007ffe7d027ee0 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
