INFO: task syz-executor.1:16068 blocked for more than 143 seconds.
Not tainted 6.2.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:24480 pid:16068 ppid:5100 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x9d1/0xe40 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
__lock_sock+0x1cf/0x330 net/core/sock.c:2904
lock_sock_nested+0x99/0xf0 net/core/sock.c:3475
__mptcp_close_ssk+0x198/0x690 net/mptcp/protocol.c:2322
mptcp_destroy_common+0x58c/0xa30 net/mptcp/protocol.c:3152
mptcp_disconnect+0xc1/0x270 net/mptcp/protocol.c:3003
__inet_stream_connect+0xa3e/0xe10 net/ipv4/af_inet.c:717
tcp_sendmsg_fastopen+0x3b0/0x610 net/ipv4/tcp.c:1200
mptcp_sendmsg_fastopen net/mptcp/protocol.c:1676 [inline]
mptcp_sendmsg+0x307/0x1cf0 net/mptcp/protocol.c:1715
sock_sendmsg_nosec net/socket.c:714 [inline]
sock_sendmsg net/socket.c:734 [inline]
____sys_sendmsg+0x597/0x8e0 net/socket.c:2476
___sys_sendmsg net/socket.c:2530 [inline]
__sys_sendmmsg+0x3d7/0x770 net/socket.c:2616
__do_sys_sendmmsg net/socket.c:2645 [inline]
__se_sys_sendmmsg net/socket.c:2642 [inline]
__x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2642
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f00fa88c0a9
RSP: 002b:00007f00fb527168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f00fa9abf80 RCX: 00007f00fa88c0a9
RDX: 0000000000000007 RSI: 0000000020004940 RDI: 0000000000000005
RBP: 00007f00fa8e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020008000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1f92d16f R14: 00007f00fb527300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d523910 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d524110 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8d523740 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4735:
#0: ffff88814a27b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6e8/0x1e50 drivers/tty/n_tty.c:2177
3 locks held by syz-executor.1/16068:
#0: ffff88805a79dd30 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1725 [inline]
#0: ffff88805a79dd30 (sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_sendmsg+0xfc/0x1cf0 net/mptcp/protocol.c:1708
#1: ffff88808e9cd6f0 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1725 [inline]
#1: ffff88808e9cd6f0 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_sendmsg_fastopen net/mptcp/protocol.c:1672 [inline]
#1: ffff88808e9cd6f0 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_sendmsg+0x28f/0x1cf0 net/mptcp/protocol.c:1715
#2: ffff88808e9cd6f0 (k-sk_lock-AF_INET/1){+.+.}-{0:0}, at: __mptcp_close_ssk+0x198/0x690 net/mptcp/protocol.c:2322
3 locks held by syz-executor.0/18704:
#0: ffff8880a607e8b0 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1725 [inline]
#0: ffff8880a607e8b0 (sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_sendmsg+0xfc/0x1cf0 net/mptcp/protocol.c:1708
#1: ffff8880a602d6f0 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1725 [inline]
#1: ffff8880a602d6f0 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_sendmsg_fastopen net/mptcp/protocol.c:1672 [inline]
#1: ffff8880a602d6f0 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_sendmsg+0x28f/0x1cf0 net/mptcp/protocol.c:1715
#2: ffff8880a602d6f0 (k-sk_lock-AF_INET/1){+.+.}-{0:0}, at: __mptcp_close_ssk+0x198/0x690 net/mptcp/protocol.c:2322
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e3/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x19b/0x3e0 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+0xcd5/0xd20 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 8327 Comm: kworker/u4:10 Not tainted 6.2.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: phy13 ieee80211_iface_work
RIP: 0010:__sanitizer_cov_trace_switch+0x50/0x100 kernel/kcov.c:339
Code: 00 00 00 4c 8b 16 4d 85 d2 0f 84 bc 00 00 00 4c 8b 04 c5 d8 6a 12 8b 4c 8b 4c 24 18 65 4c 8b 1c 25 40 98 03 00 31 d2 eb 0d 90 <48> ff c2 49 39 d2 0f 84 95 00 00 00 4c 8b 74 d6 10 65 8b 0d 90 ca
RSP: 0018:ffffc9000588f000 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff88808ef78493 RCX: 0000000000000000
RDX: 0000000000000024 RSI: ffffffff8e8c4bf0 RDI: 00000000000000dd
RBP: ffffc9000588f3f0 R08: 0000000000000001 R09: ffffffff8a4e46ba
R10: 000000000000002b R11: ffff88807e76ba80 R12: 00000000000000dd
R13: ffffc9000588f7c0 R14: 00000000000000d3 R15: 0000000000000009
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bc732b0658 CR3: 000000002a001000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
_ieee802_11_parse_elems_full+0x99a/0x3bd0 net/mac80211/util.c:1121
ieee802_11_parse_elems_full+0xe61/0x2ad0 net/mac80211/util.c:1674
ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2260 [inline]
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2267 [inline]
ieee80211_bss_info_update+0x945/0x1030 net/mac80211/scan.c:212
ieee80211_rx_bss_info net/mac80211/ibss.c:1120 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline]
ieee80211_ibss_rx_queued_mgmt+0x19a8/0x2d00 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1581 [inline]
ieee80211_iface_work+0x773/0xcf0 net/mac80211/iface.c:1635
process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308