INFO: task syz-executor.0:5635 blocked for more than 143 seconds.
Not tainted 6.1.90-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27088 pid:5635 ppid:5499 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
d_wait_lookup fs/dcache.c:2626 [inline]
d_alloc_parallel+0xbd5/0x1590 fs/dcache.c:2708
__lookup_slow+0x113/0x3d0 fs/namei.c:1675
lookup_slow+0x53/0x70 fs/namei.c:1707
walk_component fs/namei.c:1998 [inline]
link_path_walk+0x9d6/0xee0 fs/namei.c:2325
path_openat+0x23d/0x2e60 fs/namei.c:3781
do_filp_open+0x230/0x480 fs/namei.c:3812
do_sys_openat2+0x13b/0x500 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5438e7dd69
RSP: 002b:00007f5439b090c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f5438fac120 RCX: 00007f5438e7dd69
RDX: 0000000000000000 RSI: 0000000020000180 RDI: ffffffffffffff9c
RBP: 00007f5438eca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f5438fac120 R15: 00007ffce23f6128
INFO: task syz-executor.0:5637 blocked for more than 144 seconds.
Not tainted 6.1.90-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26008 pid:5637 ppid:5499 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
d_wait_lookup fs/dcache.c:2626 [inline]
d_alloc_parallel+0xbd5/0x1590 fs/dcache.c:2708
__lookup_slow+0x113/0x3d0 fs/namei.c:1675
lookup_slow+0x53/0x70 fs/namei.c:1707
walk_component fs/namei.c:1998 [inline]
link_path_walk+0x9d6/0xee0 fs/namei.c:2325
path_openat+0x23d/0x2e60 fs/namei.c:3781
do_filp_open+0x230/0x480 fs/namei.c:3812
do_sys_openat2+0x13b/0x500 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5438e7dd69
RSP: 002b:00007f54377f40c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f5438fac1f0 RCX: 00007f5438e7dd69
RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007f5438eca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f5438fac1f0 R15: 00007ffce23f6128
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d12ae50 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d12b650 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516
1 lock held by khungtaskd/28:
#0: ffffffff8d12ac80 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#0: ffffffff8d12ac80 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#0: ffffffff8d12ac80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6494
2 locks held by getty/3303:
#0: ffff88814267e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2188
3 locks held by kworker/u5:2/3564:
#0: ffff88801eae5938 ((wq_completion)hci5){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc90003d6fd20 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffff8880631350b8 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x1dc/0x400 net/bluetooth/hci_sync.c:308
1 lock held by syz-executor.0/5628:
1 lock held by syz-executor.0/5634:
1 lock held by syz-executor.0/5635:
#0: ffff8880511a4188 (&type->i_mutex_dir_key#18){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
#0: ffff8880511a4188 (&type->i_mutex_dir_key#18){++++}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
1 lock held by syz-executor.0/5637:
#0: ffff8880511a4188 (&type->i_mutex_dir_key#18){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
#0: ffff8880511a4188 (&type->i_mutex_dir_key#18){++++}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
1 lock held by syz-executor.4/6308:
3 locks held by kworker/u4:31/6855:
#0: ffff8880b983aa18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:537
#1: ffff8880b9927788 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x43d/0x770 kernel/sched/psi.c:1000
#2: ffff8880b9928358 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 kernel/time/timer.c:999
1 lock held by syz-executor.2/6919:
4 locks held by syz-executor.2/6922:
1 lock held by syz-executor.2/6923:
#0: ffff8880511a46d0 (&type->i_mutex_dir_key#18){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
#0: ffff8880511a46d0 (&type->i_mutex_dir_key#18){++++}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
1 lock held by syz-executor.2/6925:
#0: ffff8880511a46d0 (&type->i_mutex_dir_key#18){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
#0: ffff8880511a46d0 (&type->i_mutex_dir_key#18){++++}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.90-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b0/0x3f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xf88/0xfd0 kernel/hung_task.c:377
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4057 Comm: kworker/0:11 Not tainted 6.1.90-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: wg-crypt-wg0 wg_packet_tx_worker
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x7b/0x290 mm/kasan/generic.c:189
Code: 00 00 00 00 fc ff df 4f 8d 34 1a 4c 89 f5 4c 29 cd 48 83 fd 10 7f 26 48 85 ed 0f 84 3a 01 00 00 49 f7 d2 49 01 da 41 80 39 00 <0f> 85 c4 01 00 00 49 ff c1 49 ff c2 75 ee e9 1d 01 00 00 45 89 cf
RSP: 0018:ffffc90000007398 EFLAGS: 00000046
RAX: 0000000080000301 RBX: 1ffffd1ffff8774f RCX: ffffffff815960f3
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffe8ffffc3ba78
RBP: 0000000000000001 R08: dffffc0000000000 R09: fffff91ffff8774f
R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000200
R13: dffffc0000000000 R14: fffff91ffff87750 R15: 1ffff92000000e7c
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0004cbfc0 CR3: 0000000079663000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:71 [inline]
queue_work_on+0x103/0x250 kernel/workqueue.c:1547
wg_queue_enqueue_per_device_and_peer drivers/net/wireguard/queueing.h:176 [inline]
wg_packet_consume_data drivers/net/wireguard/receive.c:526 [inline]
wg_packet_receive+0x17e9/0x24c0 drivers/net/wireguard/receive.c:576
wg_receive+0x71/0xa0 drivers/net/wireguard/socket.c:326
udpv6_queue_rcv_one_skb+0x1340/0x1520 net/ipv6/udp.c:739
udp6_unicast_rcv_skb+0x1cd/0x2e0 net/ipv6/udp.c:943
ip6_protocol_deliver_rcu+0xb1a/0x1340 net/ipv6/ip6_input.c:438
ip6_input_finish+0x183/0x2c0 net/ipv6/ip6_input.c:483
NF_HOOK+0x39d/0x450 include/linux/netfilter.h:302
NF_HOOK+0x39d/0x450 include/linux/netfilter.h:302
__netif_receive_skb_one_core net/core/dev.c:5528 [inline]
__netif_receive_skb+0x1c6/0x530 net/core/dev.c:5642
process_backlog+0x381/0x760 net/core/dev.c:5970
__napi_poll+0xc7/0x470 net/core/dev.c:6537
napi_poll net/core/dev.c:6604 [inline]
net_rx_action+0x70f/0xeb0 net/core/dev.c:6718
__do_softirq+0x2e9/0xa4c kernel/softirq.c:571
do_softirq+0x162/0x240 kernel/softirq.c:472
__local_bh_enable_ip+0x1b1/0x1f0 kernel/softirq.c:396
wg_socket_send_skb_to_peer+0x172/0x1d0 drivers/net/wireguard/socket.c:184
wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline]
wg_packet_tx_worker+0x1bb/0x810 drivers/net/wireguard/send.c:276
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308