Bluetooth: hci3: command 0x0406 tx timeout
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
INFO: task kworker/u4:4:3160 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.
kworker/u4:4 D26048 3160 2 0x80000000
Workqueue: netns cleanup_net
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
cangw_pernet_exit+0xe/0x20 net/can/gw.c:1032
ops_exit_list+0xa5/0x150 net/core/net_namespace.c:153
cleanup_net+0x3b4/0x8b0 net/core/net_namespace.c:554
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
INFO: task kworker/0:0:23442 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.
kworker/0:0 D25736 23442 2 0x80000000
Workqueue: ipv6_addrconf addrconf_dad_work
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
addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989
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
Showing all locks held in the system:
1 lock held by khungtaskd/1569:
#0: 000000003a7b7b82 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
3 locks held by kworker/u4:4/3160:
1 lock held by in:imklog/7809:
#0: 00000000ab2489a6 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
2 locks held by kworker/1:3/6263:
#0: 000000008d5187fb ((wq_completion)"rcu_gp"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 00000000450ce745 ((work_completion)(&rew.rew_work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
1 lock held by syz-executor.2/21452:
#0: 00000000ed479693 (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline]
#0: 00000000ed479693 (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x4dc/0x6f0 kernel/rcu/tree_exp.h:667
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 1569 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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: 8424 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:uprobe_deny_signal+0x4f/0x270 kernel/events/uprobes.c:1686
Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 d5 01 00 00 48 8b ab a0 13 00 00 48 85 ed 75 10 45 31 e4 e8 88 b8 e7 ff 44 89 e0 5b 5d 41 5c <c3> e8 7b b8 e7 ff 48 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48 89
RSP: 0000:ffff888231fafc60 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880af9501c0 RCX: ffffffff8100585c
RDX: 0000000000000000 RSI: ffffffff817acce8 RDI: ffff8880af951560
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000
R13: ffffed1015f2a038 R14: ffff8880af9501c0 R15: ffff888231faff58
FS: 00007f7645a76700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7646aa7ba1 CR3: 000000001abcf000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
get_signal+0xc9/0x1f70 kernel/signal.c:2402
do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
prepare_exit_to_usermode+0x277/0x2d0 arch/x86/entry/common.c:198
retint_user+0x8/0x18
RIP: 0033:0x7f7646aa74e2
Code: ff e8 d2 32 01 00 85 c0 0f 84 ba 01 00 00 64 f0 83 2c 25 b8 ff ff ff 01 e8 db d0 00 00 48 8b 0c 24 8b 00 48 8b 99 80 00 00 00 <89> 81 88 00 00 00 85 c0 75 06 48 83 fb ff 74 18 48 63 44 24 14 48
RSP: 002b:00007f7645a761a0 EFLAGS: 00010203
RAX: 0000000000000013 RBX: 00000002be5741c3 RCX: 00007f7646aa7b19
RDX: 00007f7646aa74be RSI: 0000000000000001 RDI: 00007f7645a765f0
RBP: 00007f7646b5aff7 R08: 00007f7645a761a0 R09: 00007f7646b5aff7
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffa127e2ff R14: 00007f7645a76300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: fa cli
1: 48 c1 ea 03 shr $0x3,%rdx
5: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
9: 0f 85 d5 01 00 00 jne 0x1e4
f: 48 8b ab a0 13 00 00 mov 0x13a0(%rbx),%rbp
16: 48 85 ed test %rbp,%rbp
19: 75 10 jne 0x2b
1b: 45 31 e4 xor %r12d,%r12d
1e: e8 88 b8 e7 ff callq 0xffe7b8ab
23: 44 89 e0 mov %r12d,%eax
26: 5b pop %rbx
27: 5d pop %rbp
28: 41 5c pop %r12
* 2a: c3 retq <-- trapping instruction
2b: e8 7b b8 e7 ff callq 0xffe7b8ab
30: 48 8d 7d 20 lea 0x20(%rbp),%rdi
34: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
3b: fc ff df
3e: 48 rex.W
3f: 89 .byte 0x89