INFO: task syz-executor.4:7339 blocked for more than 143 seconds. Not tainted 5.17.0-rc2-syzkaller-00650-g5a8fb33e5305 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:29536 pid: 7339 ppid: 3633 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:4986 [inline] __schedule+0xab2/0x4db0 kernel/sched/core.c:6295 schedule+0xd2/0x260 kernel/sched/core.c:6368 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6427 __mutex_lock_common kernel/locking/mutex.c:673 [inline] __mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733 tls_sw_sendmsg+0x245/0x17f0 net/tls/tls_sw.c:957 inet6_sendmsg+0x99/0xe0 net/ipv6/af_inet6.c:643 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: 0033:0x7f65069a5059 RSP: 002b:00007f65052d8168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f6506ab8100 RCX: 00007f65069a5059 RDX: 00000000e0ffffff RSI: 00000000200005c0 RDI: 0000000000000003 RBP: 00007f65069ff08d R08: 0000000000000000 R09: 00000000000000d8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe68a9078f R14: 00007f65052d8300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460 1 lock held by klogd/2954: 2 locks held by getty/3274: #0: ffff88814ae7a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc90002b662e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2077 3 locks held by kworker/1:6/3683: #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:1280 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278 #1: ffffc90002bbfdb8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282 #2: ffff88801c6dacd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 net/tls/tls_sw.c:2300 1 lock held by syz-executor.4/7339: #0: ffff88801c6dacd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tls_sw_sendmsg+0x245/0x17f0 net/tls/tls_sw.c:957 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.17.0-rc2-syzkaller-00650-g5a8fb33e5305 #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: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 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3601 Comm: syz-fuzzer Not tainted 5.17.0-rc2-syzkaller-00650-g5a8fb33e5305 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0033:0x4f08c3 Code: 1b 11 3c 00 0f 1f 00 49 39 f0 75 4c 48 8d 70 08 83 3d 10 8f 36 01 00 75 05 48 89 31 eb 08 48 89 cf e8 a1 43 f7 ff 48 8b 72 28 <4c> 8b 42 30 4c 8b 4a 38 4c 89 41 10 4c 89 49 18 83 3d e6 8e 36 01 RSP: 002b:000000c00a99a060 EFLAGS: 00000216 RAX: 000000c015557120 RBX: 0000000000661140 RCX: 000000c01555abc0 RDX: 0000000000d022c0 RSI: 00000000011c2c20 RDI: 000000c01555abc0 RBP: 000000c00a99a1d8 R08: 00000000008b19b8 R09: 00000000008ac3b8 R10: 00000000008ac338 R11: 000000c015557120 R12: 000000c00a99a0e0 R13: 0000000000000000 R14: 000000c000285520 R15: 00007f3004d98d60 FS: 000000c000144490 GS: 0000000000000000