Bluetooth: hci12: command 0x0409 tx timeout
INFO: task syz-executor.1:4808 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1 D28648 4808 28219 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_mc_drop_socket+0x89/0x260 net/ipv4/igmp.c:2702
inet_release+0x49/0x1e0 net/ipv4/af_inet.c:414
__sock_release+0xcd/0x2a0 net/socket.c:599
sock_close+0x15/0x20 net/socket.c:1214
__fput+0x2ce/0x890 fs/file_table.c:278
task_work_run+0x148/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fca8245c37b
Code: Bad RIP value.
RSP: 002b:00007ffc29a08d10 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fca8245c37b
RDX: 0000001b2f620000 RSI: 0000001b2f622a98 RDI: 0000000000000004
RBP: 00007fca825cc980 R08: 0000000000000000 R09: 000000007b0ca30e
R10: 00193fd74b2961ad R11: 0000000000000293 R12: 0000000000123ac3
R13: 00007ffc29a08e10 R14: 00007fca825cb1f0 R15: 0000000000000032
INFO: task syz-executor.3:4855 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D28736 4855 8110 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
gtp_net_exit+0x1ba/0x380 drivers/net/gtp.c:1360
ops_exit_list+0xa5/0x150 net/core/net_namespace.c:153
setup_net+0x3d1/0x720 net/core/net_namespace.c:333
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
unshare_nsproxy_namespaces+0xbd/0x1f0 kernel/nsproxy.c:206
ksys_unshare+0x36c/0x9a0 kernel/fork.c:2542
__do_sys_unshare kernel/fork.c:2610 [inline]
__se_sys_unshare kernel/fork.c:2608 [inline]
__x64_sys_unshare+0x2d/0x40 kernel/fork.c:2608
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f5c6bd0b5a9
Bluetooth: hci12: command 0x041b tx timeout
Code: Bad RIP value.
RSP: 002b:00007f5c6a67e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f5c6be2bf80 RCX: 00007f5c6bd0b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006c060000
RBP: 00007f5c6bd66580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe236f401f R14: 00007f5c6a67e300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/1560:
#0: 00000000a5828552 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
4 locks held by kworker/u4:5/3579:
#0: 00000000620e8492 ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 000000000f3d3275 (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 00000000d878a635 (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:521
#3: 00000000b9037e7b (rtnl_mutex){+.+.}, at: ip6gre_exit_batch_net+0x82/0x6c0 net/ipv6/ip6_gre.c:1632
1 lock held by systemd-udevd/4704:
1 lock held by in:imklog/7765:
2 locks held by kworker/u4:12/19273:
2 locks held by syz-executor.5/21950:
3 locks held by kworker/0:0/28980:
#0: 000000006818749b ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 000000000d073632 (deferred_process_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 00000000b9037e7b (rtnl_mutex){+.+.}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150
3 locks held by kworker/0:4/29050:
#0: 00000000b4c34032 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 000000002935d5bd ((addr_chk_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 00000000b9037e7b (rtnl_mutex){+.+.}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4476
1 lock held by syz-executor.2/2579:
#0: 00000000b9037e7b (rtnl_mutex){+.+.}, at: tun_detach drivers/net/tun.c:759 [inline]
#0: 00000000b9037e7b (rtnl_mutex){+.+.}, at: tun_chr_close+0x3a/0x180 drivers/net/tun.c:3323
2 locks held by syz-executor.1/4808:
#0: 0000000053eca746 (&sb->s_type->i_mutex_key#13){+.+.}, at: inode_lock include/linux/fs.h:748 [inline]
#0: 0000000053eca746 (&sb->s_type->i_mutex_key#13){+.+.}, at: __sock_release+0x86/0x2a0 net/socket.c:598
#1: 00000000b9037e7b (rtnl_mutex){+.+.}, at: ip_mc_drop_socket+0x89/0x260 net/ipv4/igmp.c:2702
2 locks held by syz-executor.1/4815:
3 locks held by syz-executor.0/4840:
2 locks held by syz-executor.2/4843:
2 locks held by syz-executor.3/4855:
#0: 00000000d878a635 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000b9037e7b (rtnl_mutex){+.+.}, at: gtp_net_exit+0x1ba/0x380 drivers/net/gtp.c:1360
1 lock held by syz-executor.2/4874:
#0: 00000000b9037e7b (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline]
#0: 00000000b9037e7b (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779
1 lock held by syz-executor.1/4898:
#0: 00000000b9037e7b (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline]
#0: 00000000b9037e7b (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779
1 lock held by syz-executor.0/4904:
#0: 00000000b9037e7b (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline]
#0: 00000000b9037e7b (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779
1 lock held by syz-executor.4/4910:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 1560 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
watchdog+0x991/0xe60 kernel/hung_task.c:287
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 19273 Comm: kworker/u4:12 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Workqueue: bat_events batadv_purge_orig
RIP: 0010:lockdep_hardirqs_on+0x379/0x5c0 kernel/locking/lockdep.c:2885
Code: ab 48 08 00 00 65 48 8b 1c 25 c0 df 01 00 48 8d bb 84 08 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c2 00 00 00 c7
RSP: 0018:ffff8880ba007de8 EFLAGS: 00000807
RAX: dffffc0000000000 RBX: ffff8880382ee640 RCX: 1ffff1100705dde2
RDX: 0000000000000000 RSI: ffff8880382eeef0 RDI: ffff8880382eeec4
RBP: 0000000007446728 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000040 R15: ffff8880ba02c490
FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f78a02a3e20 CR3: 0000000039eac000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
process_backlog+0x45e/0x700 net/core/dev.c:5875
napi_poll net/core/dev.c:6280 [inline]
net_rx_action+0x4ac/0xfb0 net/core/dev.c:6346
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_purge_orig_ref+0xa2c/0x1110 net/batman-adv/originator.c:1379
batadv_purge_orig+0x17/0x60 net/batman-adv/originator.c:1392
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415