INFO: task dhcpcd:3184 blocked for more than 143 seconds.
Not tainted 5.16.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:22856 pid: 3184 ppid: 3183 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
devinet_ioctl+0x1b3/0x1ca0 net/ipv4/devinet.c:1068
inet_ioctl+0x1e6/0x320 net/ipv4/af_inet.c:969
sock_do_ioctl+0xcc/0x230 net/socket.c:1122
sock_ioctl+0x2f1/0x640 net/socket.c:1239
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
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: 0033:0x7f83510120e7
RSP: 002b:00007ffe6b30eea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8350f246c8 RCX: 00007f83510120e7
RDX: 00007ffe6b31f098 RSI: 0000000000008914 RDI: 0000000000000015
RBP: 00007ffe6b32f248 R08: 00007ffe6b31f058 R09: 00007ffe6b31f008
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe6b31f098 R14: 0000000000000028 R15: 0000000000008914
INFO: task kworker/0:6:32289 blocked for more than 144 seconds.
Not tainted 5.16.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:6 state:D stack:26808 pid:32289 ppid: 2 flags:0x00004000
Workqueue: events switchdev_deferred_process_work
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:75
process_one_work+0x9b2/0x1660 kernel/workqueue.c:2298
worker_thread+0x65d/0x1130 kernel/workqueue.c:2445
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task kworker/0:1:13909 blocked for more than 144 seconds.
Not tainted 5.16.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1 state:D stack:27600 pid:13909 ppid: 2 flags:0x00004000
Workqueue: events linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
linkwatch_event+0xb/0x60 net/core/link_watch.c:262
process_one_work+0x9b2/0x1660 kernel/workqueue.c:2298
worker_thread+0x65d/0x1130 kernel/workqueue.c:2445
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task syz-executor.2:14346 blocked for more than 145 seconds.
Not tainted 5.16.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:24408 pid:14346 ppid: 1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
rtnl_lock net/core/rtnetlink.c:72 [inline]
rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5589
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x539/0x7e0 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x904/0xe00 net/netlink/af_netlink.c:1919
sock_sendmsg_nosec net/socket.c:705 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:725
__sys_sendto+0x21c/0x320 net/socket.c:2040
__do_sys_sendto net/socket.c:2052 [inline]
__se_sys_sendto net/socket.c:2048 [inline]
__x64_sys_sendto+0xdd/0x1b0 net/socket.c:2048
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: 0033:0x7fd95971fdac
RSP: 002b:00007ffeee083b60 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fd95a7b8320 RCX: 00007fd95971fdac
RDX: 0000000000000020 RSI: 00007fd95a7b8370 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffeee083bb4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fd95a7b8370 R14: 0000000000000003 R15: 0000000000000000
Showing all locks held in the system:
1 lock held by khungtaskd/26:
#0: ffffffff8bb84620 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
1 lock held by dhcpcd/3184:
#0: ffffffff8d31b6e8 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x1b3/0x1ca0 net/ipv4/devinet.c:1068
2 locks held by getty/3281:
#0: ffff88814ae59098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:252
#1: ffffc90002b962e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2113
6 locks held by kworker/u4:7/3856:
3 locks held by kworker/1:12/4266:
#0: ffff888022347138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888022347138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888022347138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888022347138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
#0: ffff888022347138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
#0: ffff888022347138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x896/0x1660 kernel/workqueue.c:2269
#1: ffffc900028dfdb0 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1660 kernel/workqueue.c:2273
#2: ffffffff8d31b6e8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4595
2 locks held by kworker/0:5/32288:
3 locks held by kworker/0:6/32289:
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x896/0x1660 kernel/workqueue.c:2269
#1: ffffc9000469fdb0 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1660 kernel/workqueue.c:2273
#2: ffffffff8d31b6e8 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:75
5 locks held by kworker/u4:3/6493:
#0: ffff8881407bb138 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8881407bb138 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8881407bb138 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff8881407bb138 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
#0: ffff8881407bb138 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
#0: ffff8881407bb138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x896/0x1660 kernel/workqueue.c:2269
#1: ffffc900054dfdb0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1660 kernel/workqueue.c:2273
#2: ffffffff8d306bd0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9b/0xb00 net/core/net_namespace.c:559
#3: ffffffff8d31b6e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_unregistering net/core/dev.c:10892 [inline]
#3: ffffffff8d31b6e8 (rtnl_mutex){+.+.}-{3:3}, at: default_device_exit_batch+0xe8/0x3c0 net/core/dev.c:10930
#4: ffffffff8bb8d8b0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x44/0x430 kernel/rcu/tree.c:3985
3 locks held by kworker/0:1/13909:
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x896/0x1660 kernel/workqueue.c:2269
#1: ffffc90002f3fdb0 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1660 kernel/workqueue.c:2273
#2: ffffffff8d31b6e8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:262
4 locks held by kworker/0:2/13910:
#0: ffff888011bcbd38 ((wq_completion)infiniband){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011bcbd38 ((wq_completion)infiniband){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011bcbd38 ((wq_completion)infiniband){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888011bcbd38 ((wq_completion)infiniband){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
#0: ffff888011bcbd38 ((wq_completion)infiniband){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
#0: ffff888011bcbd38 ((wq_completion)infiniband){+.+.}-{0:0}, at: process_one_work+0x896/0x1660 kernel/workqueue.c:2269
#1: ffffc90002f4fdb0 ((work_completion)(&work->work)#2){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1660 kernel/workqueue.c:2273
#2: ffff88804a501218 (&rxe->usdev_lock){+.+.}-{3:3}, at: rxe_query_port+0x129/0x2d0 drivers/infiniband/sw/rxe/rxe_verbs.c:37
#3: ffffffff8d31b6e8 (rtnl_mutex){+.+.}-{3:3}, at: ib_get_eth_speed+0xfe/0x5f0 drivers/infiniband/core/verbs.c:1903
1 lock held by syz-executor.2/14346:
#0: ffffffff8d31b6e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline]
#0: ffffffff8d31b6e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5589
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.16.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:295
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 32288 Comm: kworker/0:5 Not tainted 5.16.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_long br_fdb_cleanup
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:166 [inline]
RIP: 0010:unwind_next_frame+0x2fc/0x1ce0 arch/x86/kernel/unwind_orc.c:443
Code: 5c 24 20 8b 14 95 c0 2e ac 8e 89 c8 48 8d 3c 40 4c 8d 84 3f c0 cd 08 8e 83 c2 01 49 81 f8 be 2e ac 8e 0f 83 75 09 00 00 89 d7 <48> 8d 3c 7f 48 8d bc 3f c0 cd 08 8e 48 81 ff be 2e ac 8e 0f 87 5a
RSP: 0018:ffffc90000007838 EFLAGS: 00000093
RAX: 000000000000fcd3 RBX: 1ffff92000000f0f RCX: 000000000000fcd3
RDX: 000000000000fcd8 RSI: 000000000000468c RDI: 000000000000fcd8
RBP: 0000000000000002 R08: ffffffff8e0ebab2 R09: 0000000000000001
R10: fffff52000000f2d R11: 000000000008808a R12: ffffc90000007958
R13: ffffc90000007945 R14: ffffc90000007910 R15: ffffffff81468c62
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0005e5704 CR3: 000000000b88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38
__kasan_record_aux_stack+0xbe/0xd0 mm/kasan/generic.c:348
insert_work+0x48/0x370 kernel/workqueue.c:1354
__queue_work+0x5ca/0xee0 kernel/workqueue.c:1520
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1461 [inline]
__run_timers.part.0+0x4a6/0xa30 kernel/time/timer.c:1734
__run_timers kernel/time/timer.c:1715 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:mod_delayed_work_on+0x141/0x220 kernel/workqueue.c:1746
Code: 2b 00 48 85 ed 0f 85 e6 00 00 00 e8 99 0e 2b 00 48 8b 6c 24 28 31 ff 81 e5 00 02 00 00 48 89 ee e8 14 11 2b 00 48 85 ed 75 3d 7a 0e 2b 00 48 b8 00 00 00 00 00 fc ff df 48 c7 04 03 00 00 00
RSP: 0018:ffffc90004fffc80 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff920009fff91 RCX: 0000000000000000
RDX: ffff888032c08000 RSI: ffffffff814c68b3 RDI: 0000000000000003
RBP: 0000000000000200 R08: 0000000000000000 R09: ffffffff8ffa4aef
R10: ffffffff814c686c R11: 0000000000000000 R12: ffff8880372497e8
R13: ffff888010c65400 R14: 0000000000000001 R15: 0000000000000000
process_one_work+0x9b2/0x1660 kernel/workqueue.c:2298
worker_thread+0x65d/0x1130 kernel/workqueue.c:2445
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: 5c pop %rsp
1: 24 20 and $0x20,%al
3: 8b 14 95 c0 2e ac 8e mov -0x7153d140(,%rdx,4),%edx
a: 89 c8 mov %ecx,%eax
c: 48 8d 3c 40 lea (%rax,%rax,2),%rdi
10: 4c 8d 84 3f c0 cd 08 lea -0x71f73240(%rdi,%rdi,1),%r8
17: 8e
18: 83 c2 01 add $0x1,%edx
1b: 49 81 f8 be 2e ac 8e cmp $0xffffffff8eac2ebe,%r8
22: 0f 83 75 09 00 00 jae 0x99d
28: 89 d7 mov %edx,%edi
* 2a: 48 8d 3c 7f lea (%rdi,%rdi,2),%rdi <-- trapping instruction
2e: 48 8d bc 3f c0 cd 08 lea -0x71f73240(%rdi,%rdi,1),%rdi
35: 8e
36: 48 81 ff be 2e ac 8e cmp $0xffffffff8eac2ebe,%rdi
3d: 0f .byte 0xf
3e: 87 .byte 0x87
3f: 5a pop %rdx