------------[ cut here ]------------
ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x90 syzkaller/managers/upstream-kasan-gce-root/kernel/kernel/workqueue.c:1601
WARNING: CPU: 0 PID: 14738 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 syzkaller/managers/upstream-kasan-gce-root/kernel/lib/debugobjects.c:505
Modules linked in:
CPU: 0 PID: 14738 Comm: syz-executor.1 Not tainted 5.11.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:debug_print_object+0x16e/0x250 syzkaller/managers/upstream-kasan-gce-root/kernel/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 c0 f1 9e 89 4c 89 ee 48 c7 c7 c0 e5 9e 89 e8 cc 78 f6 04 <0f> 0b 83 05 b5 89 e0 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffffc9000acd7a10 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815b73e5 RDI: fffff5200159af34
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815b05be R11: 0000000000000000 R12: ffffffff894d8c60
R13: ffffffff899eec00 R14: ffffffff8161d100 R15: dffffc0000000000
FS:  00007fabaa0fd700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f555b02c718 CR3: 0000000063334000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 __debug_check_no_obj_freed syzkaller/managers/upstream-kasan-gce-root/kernel/lib/debugobjects.c:987 [inline]
 debug_check_no_obj_freed+0x301/0x420 syzkaller/managers/upstream-kasan-gce-root/kernel/lib/debugobjects.c:1018
 slab_free_hook syzkaller/managers/upstream-kasan-gce-root/kernel/mm/slub.c:1539 [inline]
 slab_free_freelist_hook+0x107/0x150 syzkaller/managers/upstream-kasan-gce-root/kernel/mm/slub.c:1580
 slab_free syzkaller/managers/upstream-kasan-gce-root/kernel/mm/slub.c:3143 [inline]
 kfree+0xdb/0x3b0 syzkaller/managers/upstream-kasan-gce-root/kernel/mm/slub.c:4125
 bt_host_release+0x15/0x20 syzkaller/managers/upstream-kasan-gce-root/kernel/net/bluetooth/hci_sysfs.c:86
 device_release+0x9f/0x240 syzkaller/managers/upstream-kasan-gce-root/kernel/drivers/base/core.c:1980
 kobject_cleanup syzkaller/managers/upstream-kasan-gce-root/kernel/lib/kobject.c:705 [inline]
 kobject_release syzkaller/managers/upstream-kasan-gce-root/kernel/lib/kobject.c:736 [inline]
 kref_put syzkaller/managers/upstream-kasan-gce-root/kernel/./include/linux/kref.h:65 [inline]
 kobject_put+0x1c8/0x540 syzkaller/managers/upstream-kasan-gce-root/kernel/lib/kobject.c:753
 put_device+0x1b/0x30 syzkaller/managers/upstream-kasan-gce-root/kernel/drivers/base/core.c:3208
 hci_dev_put syzkaller/managers/upstream-kasan-gce-root/kernel/./include/net/bluetooth/hci_core.h:1173 [inline]
 hci_dev_cmd+0x11b/0x910 syzkaller/managers/upstream-kasan-gce-root/kernel/net/bluetooth/hci_core.c:2093
 hci_sock_ioctl+0x42e/0x840 syzkaller/managers/upstream-kasan-gce-root/kernel/net/bluetooth/hci_sock.c:1052
 sock_do_ioctl+0xcb/0x2d0 syzkaller/managers/upstream-kasan-gce-root/kernel/net/socket.c:1037
 sock_ioctl+0x477/0x6a0 syzkaller/managers/upstream-kasan-gce-root/kernel/net/socket.c:1177
 vfs_ioctl syzkaller/managers/upstream-kasan-gce-root/kernel/fs/ioctl.c:48 [inline]
 __do_sys_ioctl syzkaller/managers/upstream-kasan-gce-root/kernel/fs/ioctl.c:753 [inline]
 __se_sys_ioctl syzkaller/managers/upstream-kasan-gce-root/kernel/fs/ioctl.c:739 [inline]
 __x64_sys_ioctl+0x193/0x200 syzkaller/managers/upstream-kasan-gce-root/kernel/fs/ioctl.c:739
 do_syscall_64+0x2d/0x70 syzkaller/managers/upstream-kasan-gce-root/kernel/arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x465b09
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fabaa0fd188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09
RDX: 0000000020000080 RSI: 00000000400448de RDI: 0000000000000004
RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007fffa5428c7f R14: 00007fabaa0fd300 R15: 0000000000022000