INFO: task syz.3.16:4279 blocked for more than 143 seconds.
Not tainted 6.13.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.16 state:D stack:14648 pid:4279 tgid:4271 ppid:3892 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x6cc/0x14b0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xac/0x140 kernel/sched/core.c:6848
__lock_sock+0x99/0x100 net/core/sock.c:3059
lock_sock_nested net/core/sock.c:3627 [inline]
lock_sock include/net/sock.h:1617 [inline]
sockopt_lock_sock+0x52/0x70 net/core/sock.c:1126
sk_setsockopt+0x4a0/0x11a0 net/core/sock.c:1285
do_sock_setsockopt net/socket.c:2309 [inline]
__sys_setsockopt+0xa3/0x110 net/socket.c:2338
__do_sys_setsockopt net/socket.c:2344 [inline]
__se_sys_setsockopt net/socket.c:2341 [inline]
__x64_sys_setsockopt+0x1c/0x30 net/socket.c:2341
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x8d/0x170 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc2f5585d29
RSP: 002b:00007fc2f63af038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fc2f5776080 RCX: 00007fc2f5585d29
RDX: 0000000000000007 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007fc2f5601aa8 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fc2f5776080 R15: 00007ffcde57ce18
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff841de358 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff841de358 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff841de358 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x30/0x100 kernel/locking/lockdep.c:6744
2 locks held by kworker/u8:7/2094:
#0: ffff88810007c948 ((wq_completion)events_unbound){....}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88810007c948 ((wq_completion)events_unbound){....}-{0:0}, at: process_scheduled_works+0x246/0x5c0 kernel/workqueue.c:3310
#1: ffffc900033afe58 ((work_completion)(&sub_info->work)){....}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc900033afe58 ((work_completion)(&sub_info->work)){....}-{0:0}, at: process_scheduled_works+0x266/0x5c0 kernel/workqueue.c:3310
2 locks held by getty/2523:
#0: ffff888104f208a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x40 drivers/tty/tty_ldisc.c:243
#1: ffffc900052832f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x23d/0x910 drivers/tty/n_tty.c:2211
1 lock held by syz.3.16/4272:
1 lock held by syz.3.16/4279:
#0: ffff88810ceb0f98 (sk_lock-AF_INET6){....}-{0:0}, at: sk_setsockopt+0x4a0/0x11a0 net/core/sock.c:1285
1 lock held by syz.4.17/4665:
1 lock held by syz.4.17/4666:
#0: ffff88810ceb5f18 (sk_lock-AF_INET6){....}-{0:0}, at: sk_setsockopt+0x4a0/0x11a0 net/core/sock.c:1285
1 lock held by syz.5.18/5053:
1 lock held by syz.5.18/5054:
#0: ffff88810ceb6c58 (sk_lock-AF_INET6){....}-{0:0}, at: sk_setsockopt+0x4a0/0x11a0 net/core/sock.c:1285
1 lock held by syz.6.19/5437:
1 lock held by syz.6.19/5439:
#0: ffff888147ed0f98 (sk_lock-AF_INET6){....}-{0:0}, at: sk_setsockopt+0x4a0/0x11a0 net/core/sock.c:1285
1 lock held by syz.7.20/5823:
1 lock held by syz.7.20/5824:
#0: ffff888147ed51d8 (sk_lock-AF_INET6){....}-{0:0}, at: sk_setsockopt+0x4a0/0x11a0 net/core/sock.c:1285
1 lock held by syz.8.38/6259:
1 lock held by syz.8.38/6260:
#0: ffff888147ed3758 (sk_lock-AF_INET6){....}-{0:0}, at: sk_setsockopt+0x4a0/0x11a0 net/core/sock.c:1285
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x3e/0xe0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x146/0x160 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x8e/0x140 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0x5eb/0x610 kernel/hung_task.c:397
kthread+0xea/0x100 kernel/kthread.c:389
ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 4665 Comm: syz.4.17 Not tainted 6.13.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:tls_write_space+0x1a/0x40 net/tls/tls_main.c:315
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 56 53 49 89 fe 48 8b 9f c0 07 00 00 80 bb 82 00 00 00 00 75 0b <4c> 89 f7 48 89 de e8 3b 42 00 00 4c 8b 5b 20 4c 89 f7 5b 41 5e 41
RSP: 0018:ffffc900037bfe08 EFLAGS: 00000246
RAX: ffff888107f83d20 RBX: ffff888109f7e200 RCX: ffff888107f83d20
RDX: ffff888107f83c00 RSI: ffff888109f7e200 RDI: ffff88810ceb5cc0
RBP: ffffc900037bfeb0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff82aa54b0 R12: 0000000020000000
R13: 0000000000000000 R14: ffff88810ceb5cc0 R15: ffff88810ceb5cc0
FS: 00007f878302d6c0(0000) GS:ffff88813ba00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f77edbb4440 CR3: 0000000121498000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
sk_setsockopt+0xc4e/0x11a0 net/core/sock.c:1323
do_sock_setsockopt net/socket.c:2309 [inline]
__sys_setsockopt+0xa3/0x110 net/socket.c:2338
__do_sys_setsockopt net/socket.c:2344 [inline]
__se_sys_setsockopt net/socket.c:2341 [inline]
__x64_sys_setsockopt+0x1c/0x30 net/socket.c:2341
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x8d/0x170 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8782185d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f878302d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f8782375fa0 RCX: 00007f8782185d29
RDX: 0000000000000007 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007f8782201aa8 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8782375fa0 R15: 00007fffe3e9ebb8