INFO: task dhcpcd:23222 blocked for more than 143 seconds.
Not tainted 5.17.0-rc3-syzkaller-00316-gb81b1829e7e3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:29152 pid:23222 ppid: 3172 flags:0x00000000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
exp_funnel_lock kernel/rcu/tree_exp.h:313 [inline]
synchronize_rcu_expedited+0x5a8/0x620 kernel/rcu/tree_exp.h:840
synchronize_rcu+0x132/0x190 kernel/rcu/tree.c:3785
synchronize_net+0x4a/0x50 net/core/dev.c:10322
__unregister_prot_hook+0x48a/0x5a0 net/packet/af_packet.c:382
packet_do_bind+0x8ad/0xd70 net/packet/af_packet.c:3207
packet_bind+0x152/0x1b0 net/packet/af_packet.c:3291
__sys_bind+0x1e9/0x250 net/socket.c:1697
__do_sys_bind net/socket.c:1708 [inline]
__se_sys_bind net/socket.c:1706 [inline]
__x64_sys_bind+0x6f/0xb0 net/socket.c:1706
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: 0033:0x7f37d4741ce7
RSP: 002b:00007ffd666c0158 EFLAGS: 00000217 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 000055f10727bb60 RCX: 00007f37d4741ce7
RDX: 0000000000000014 RSI: 00007ffd666c0168 RDI: 0000000000000005
RBP: 0000000000000000 R08: 000055f108686c60 R09: 00007f37d4802a60
R10: 0000000000010000 R11: 0000000000000217 R12: 000055f10868b200
R13: 000055f10868aa98 R14: 00007ffd666e0a3c R15: 00007ffd666e0a64
</TASK>
INFO: task dhcpcd:23238 blocked for more than 144 seconds.
Not tainted 5.17.0-rc3-syzkaller-00316-gb81b1829e7e3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:29152 pid:23238 ppid: 3172 flags:0x00000000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
exp_funnel_lock kernel/rcu/tree_exp.h:313 [inline]
synchronize_rcu_expedited+0x5a8/0x620 kernel/rcu/tree_exp.h:840
synchronize_rcu+0x132/0x190 kernel/rcu/tree.c:3785
synchronize_net+0x4a/0x50 net/core/dev.c:10322
__unregister_prot_hook+0x48a/0x5a0 net/packet/af_packet.c:382
packet_do_bind+0x8ad/0xd70 net/packet/af_packet.c:3207
packet_bind+0x152/0x1b0 net/packet/af_packet.c:3291
__sys_bind+0x1e9/0x250 net/socket.c:1697
__do_sys_bind net/socket.c:1708 [inline]
__se_sys_bind net/socket.c:1706 [inline]
__x64_sys_bind+0x6f/0xb0 net/socket.c:1706
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: 0033:0x7f37d4741ce7
RSP: 002b:00007ffd666c0158 EFLAGS: 00000217 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 000055f10727bb60 RCX: 00007f37d4741ce7
RDX: 0000000000000014 RSI: 00007ffd666c0168 RDI: 0000000000000005
RBP: 0000000000000000 R08: 000055f108686420 R09: 00007f37d4802a60
R10: 0000000000010000 R11: 0000000000000217 R12: 000055f10868b200
R13: 000055f108686308 R14: 00007ffd666e0a3c R15: 00007ffd666e0a64
</TASK>
INFO: task dhcpcd:23254 blocked for more than 145 seconds.
Not tainted 5.17.0-rc3-syzkaller-00316-gb81b1829e7e3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:29152 pid:23254 ppid: 3172 flags:0x00000000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
exp_funnel_lock kernel/rcu/tree_exp.h:313 [inline]
synchronize_rcu_expedited+0x5a8/0x620 kernel/rcu/tree_exp.h:840
synchronize_rcu+0x132/0x190 kernel/rcu/tree.c:3785
synchronize_net+0x4a/0x50 net/core/dev.c:10322
__unregister_prot_hook+0x48a/0x5a0 net/packet/af_packet.c:382
packet_do_bind+0x8ad/0xd70 net/packet/af_packet.c:3207
packet_bind+0x152/0x1b0 net/packet/af_packet.c:3291
__sys_bind+0x1e9/0x250 net/socket.c:1697
__do_sys_bind net/socket.c:1708 [inline]
__se_sys_bind net/socket.c:1706 [inline]
__x64_sys_bind+0x6f/0xb0 net/socket.c:1706
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: 0033:0x7f37d4741ce7
RSP: 002b:00007ffd666c0158 EFLAGS: 00000217 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 000055f10727bb60 RCX: 00007f37d4741ce7
RDX: 0000000000000014 RSI: 00007ffd666c0168 RDI: 0000000000000005
RBP: 0000000000000000 R08: 000055f108686c60 R09: 00007f37d4802a60
R10: 0000000000010000 R11: 0000000000000217 R12: 000055f10868b200
R13: 000055f108686488 R14: 00007ffd666e0a3c R15: 00007ffd666e0a64
</TASK>
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bb83be0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
1 lock held by khugepaged/33:
#0: ffffffff8bc6bce8 (lock#5){+.+.}-{3:3}, at: __lru_add_drain_all+0x65/0x760 mm/swap.c:798
2 locks held by getty/3268:
#0: ffff88814b56c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1:
ffffc90002b632e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2077
3 locks held by kworker/0:0/3672:
1 lock held by syz-executor206/3684:
3 locks held by kworker/1:4/3735:
2 locks held by dhcpcd/22805:
#0: ffff88806e524410 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:777 [inline]
#0: ffff88806e524410 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: __sock_release+0x86/0x280 net/socket.c:649
#1: ffffffff8bb8d828 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline]
#1: ffffffff8bb8d828 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2d5/0x620 kernel/rcu/tree_exp.h:840
2 locks held by dhcpcd/22992:
#0:
ffff88801ce42130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline]
ffff88801ce42130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xd70 net/packet/af_packet.c:3174
#1: ffffffff8bb8d828 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline]
#1: ffffffff8bb8d828 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2d5/0x620 kernel/rcu/tree_exp.h:840
1 lock held by dhcpcd/23222:
#0: ffff88807546c130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline]
#0: ffff88807546c130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xd70 net/packet/af_packet.c:3174
1 lock held by dhcpcd/23238:
#0: ffff888022168130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline]
#0: ffff888022168130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xd70 net/packet/af_packet.c:3174
1 lock held by dhcpcd/23254:
#0: ffff8880760bc130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline]
#0: ffff8880760bc130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xd70 net/packet/af_packet.c:3174
1 lock held by dhcpcd/1489:
#0: ffff888018b8e130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline]
#0: ffff888018b8e130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xd70 net/packet/af_packet.c:3174
2 locks held by syz-executor206/17319:
1 lock held by syz-executor206/17324:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.17.0-rc3-syzkaller-00316-gb81b1829e7e3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<TASK>
__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:212 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:369
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3672 Comm: kworker/0:0 Not tainted 5.17.0-rc3-syzkaller-00316-gb81b1829e7e3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events uhid_device_add_worker
RIP: 0010:lookup_chain_cache kernel/locking/lockdep.c:3695 [inline]
RIP: 0010:lookup_chain_cache_add kernel/locking/lockdep.c:3714 [inline]
RIP: 0010:validate_chain kernel/locking/lockdep.c:3769 [inline]
RIP: 0010:__lock_acquire+0x16e5/0x5470 kernel/locking/lockdep.c:5027
Code: df 48 89 e9 48 8b 6c 24 08 eb 06 48 83 eb 08 74 40 48 8d 7b 18 48 89 f8 48 c1 e8 03 80 3c 10 00 0f 85 26 2d 00 00 48 8b 43 18 <48> 39 c5 0f 84 b4 f5 ff ff 48 8d 7b 08 48 89 f8 48 c1 e8 03 80 3c
RSP: 0018:ffffc90000007bc0 EFLAGS: 00000046
RAX: 56472f538d8cb3e8 RBX: ffffffff8f308cc0 RCX: 000000000000ad4e
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff8f308cd8
RBP: 56472f538d8cb3e8 R08: 0000000000000000 R09: ffffffff8ffbf94f
R10: fffffbfff1ff7f29 R11: 0000000000000001 R12: ffff888017bcc4d8
R13: ffff888017bcba00 R14: ffffffff8d93ff28 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcade8a960 CR3: 0000000072b87000 CR4: 0000000000350ef0
Call Trace:
<IRQ>
lock_acquire kernel/locking/lockdep.c:5639 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5604
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
tick_do_update_jiffies64 kernel/time/tick-sched.c:91 [inline]
tick_sched_do_timer kernel/time/tick-sched.c:197 [inline]
tick_sched_timer+0x217/0x2d0 kernel/time/tick-sched.c:1421
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:200
Code: 48 89 ef 5d e9 71 bc 46 00 5d be 03 00 00 00 e9 06 46 66 02 66 0f 1f 44 00 00 48 8b be b0 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 <65> 8b 05 29 f8 89 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b
RSP: 0018:ffffc90000cf7418 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888017bcba00 RSI: ffffffff815fa4c1 RDI: 0000000000000003
RBP: ffffc90000cf7458 R08: 0000000000000000 R09: ffffffff8ffbfa3f
R10: ffffffff815fa4b7 R11: 0000000000000000 R12: 000000000000003e
R13: ffff888010e2d700 R14: 0000000000000200 R15: ffffc90000cf7578
console_trylock_spinning kernel/printk/printk.c:1885 [inline]
vprintk_emit+0x377/0x4f0 kernel/printk/printk.c:2244
dev_vprintk_emit+0x36e/0x3b2 drivers/base/core.c:4604
dev_printk_emit+0xba/0xf1 drivers/base/core.c:4615
__dev_printk+0xcf/0xf5 drivers/base/core.c:4627
_dev_warn+0xd7/0x109 drivers/base/core.c:4671
hid_parser_main.cold+0x4f/0xf1 drivers/hid/hid-core.c:630
hid_open_report+0x37f/0x650 drivers/hid/hid-core.c:1260
hid_parse include/linux/hid.h:1081 [inline]
hid_generic_probe+0x4a/0x90 drivers/hid/hid-generic.c:63
hid_device_probe+0x2bd/0x3f0 drivers/hid/hid-core.c:2380
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x245/0xcc0 drivers/base/dd.c:596
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:752
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:782
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:899
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:970
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc17/0x1ee0 drivers/base/core.c:3405
hid_add_device+0x344/0x9d0 drivers/hid/hid-core.c:2530
uhid_device_add_worker+0x36/0x60 drivers/hid/uhid.c:73
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 48 89 e9 mov %rbp,%rcx
3: 48 8b 6c 24 08 mov 0x8(%rsp),%rbp
8: eb 06 jmp 0x10
a: 48 83 eb 08 sub $0x8,%rbx
e: 74 40 je 0x50
10: 48 8d 7b 18 lea 0x18(%rbx),%rdi
14: 48 89 f8 mov %rdi,%rax
17: 48 c1 e8 03 shr $0x3,%rax
1b: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1)
1f: 0f 85 26 2d 00 00 jne 0x2d4b
25: 48 8b 43 18 mov 0x18(%rbx),%rax
* 29: 48 39 c5 cmp %rax,%rbp <-- trapping instruction
2c: 0f 84 b4 f5 ff ff je 0xfffff5e6
32: 48 8d 7b 08 lea 0x8(%rbx),%rdi
36: 48 89 f8 mov %rdi,%rax
39: 48 c1 e8 03 shr $0x3,%rax
3d: 80 .byte 0x80
3e: 3c .byte 0x3c