INFO: task syz-executor.1:25087 blocked for more than 143 seconds. Not tainted 5.15.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:29568 pid:25087 ppid: 6548 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:4969 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6250 schedule+0xd2/0x260 kernel/sched/core.c:6323 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6382 __mutex_lock_common kernel/locking/mutex.c:680 [inline] __mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740 tls_sw_sendmsg+0x245/0x17f0 net/tls/tls_sw.c:957 inet6_sendmsg+0x99/0xe0 net/ipv6/af_inet6.c:644 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:724 __sys_sendto+0x21c/0x320 net/socket.c:2036 __do_sys_sendto net/socket.c:2048 [inline] __se_sys_sendto net/socket.c:2044 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2044 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: 0033:0x7ff6f66a7ae9 RSP: 002b:00007ff6f3bfc188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007ff6f67bb020 RCX: 00007ff6f66a7ae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007ff6f6701f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc7e613caf R14: 00007ff6f3bfc300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffffffff8b983a20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458 1 lock held by in:imklog/6229: 2 locks held by kworker/u4:8/10415: #0: ffff8880b9c39a98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:478 #1: ffff8880b9c279c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x173/0x490 kernel/sched/psi.c:871 3 locks held by kworker/1:0/3799: #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:1198 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2269 #1: ffffc9000dd77db0 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2273 #2: ffff888032aa2cd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 net/tls/tls_sw.c:2283 1 lock held by syz-executor.1/25087: #0: ffff888032aa2cd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tls_sw_sendmsg+0x245/0x17f0 net/tls/tls_sw.c:957 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.0-syzkaller #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:105 nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline] watchdog+0xc1d/0xf50 kernel/hung_task.c:295 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 24602 Comm: kworker/u4:15 Not tainted 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: 0x0 (bond1) RIP: 0010:lock_is_held_type+0xeb/0x140 kernel/locking/lockdep.c:5682 Code: 45 31 ed 44 39 f0 41 0f 94 c5 48 c7 c7 e0 0b 8c 89 e8 a9 0d 00 00 b8 ff ff ff ff 65 0f c1 05 2c d9 c7 76 83 f8 01 75 29 9c 58 c4 02 75 3d 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 44 89 RSP: 0018:ffffc90004dffc70 EFLAGS: 00000046 RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8880b9c39a98 R08: ffff8880b9c3a540 R09: ffffffff8fd5ba07 R10: fffffbfff1fab740 R11: 0000000000000001 R12: ffff88801ae2d700 R13: 0000000000000001 R14: 00000000ffffffff R15: ffff88801ae2e160 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f608c4ae000 CR3: 000000000b68e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_is_held include/linux/lockdep.h:283 [inline] lockdep_assert_rq_held kernel/sched/sched.h:1306 [inline] do_balance_callbacks kernel/sched/core.c:4640 [inline] __balance_callbacks kernel/sched/core.c:4672 [inline] finish_lock_switch kernel/sched/core.c:4728 [inline] finish_task_switch.isra.0+0x2fd/0xb80 kernel/sched/core.c:4847 context_switch kernel/sched/core.c:4972 [inline] __schedule+0xaa2/0x4940 kernel/sched/core.c:6250 schedule+0xd2/0x260 kernel/sched/core.c:6323 worker_thread+0x15c/0x11f0 kernel/workqueue.c:2466 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 ---------------- Code disassembly (best guess): 0: 45 31 ed xor %r13d,%r13d 3: 44 39 f0 cmp %r14d,%eax 6: 41 0f 94 c5 sete %r13b a: 48 c7 c7 e0 0b 8c 89 mov $0xffffffff898c0be0,%rdi 11: e8 a9 0d 00 00 callq 0xdbf 16: b8 ff ff ff ff mov $0xffffffff,%eax 1b: 65 0f c1 05 2c d9 c7 xadd %eax,%gs:0x76c7d92c(%rip) # 0x76c7d94f 22: 76 23: 83 f8 01 cmp $0x1,%eax 26: 75 29 jne 0x51 28: 9c pushfq 29: 58 pop %rax * 2a: f6 c4 02 test $0x2,%ah <-- trapping instruction 2d: 75 3d jne 0x6c 2f: 48 f7 04 24 00 02 00 testq $0x200,(%rsp) 36: 00 37: 74 01 je 0x3a 39: fb sti 3a: 48 83 c4 08 add $0x8,%rsp 3e: 44 rex.R 3f: 89 .byte 0x89