INFO: task syz-executor.2:27169 blocked for more than 143 seconds.
Not tainted 5.16.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:29568 pid:27169 ppid: 6570 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__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:641
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: 0033:0x7f71b1224ae9
RSP: 002b:00007f71ae758188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f71b13380e0 RCX: 00007f71b1224ae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f71b127ef6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcf367e83f R14: 00007f71ae758300 R15: 0000000000022000
INFO: task syz-executor.2:27225 blocked for more than 143 seconds.
Not tainted 5.16.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:29568 pid:27225 ppid: 6570 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__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:641
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: 0033:0x7f71b1224ae9
RSP: 002b:00007f71ae6f5188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f71b1338320 RCX: 00007f71b1224ae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f71b127ef6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcf367e83f R14: 00007f71ae6f5300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bb83ca0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
1 lock held by in:imklog/6237:
#0: ffff88807893d9f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990
2 locks held by kworker/u4:14/18984:
#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+0x3a6/0x490 kernel/sched/psi.c:880
3 locks held by kworker/0:2/12500:
#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: ffffc9000337fdb0 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2273
#2: ffff88804fd9b8d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 net/tls/tls_sw.c:2297
3 locks held by kworker/1:17/25176:
#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: ffffc90002c37db0 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2273
#2: ffff88803fc31cd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 net/tls/tls_sw.c:2297
1 lock held by syz-executor.2/27169:
#0: ffff88803fc31cd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tls_sw_sendmsg+0x245/0x17f0 net/tls/tls_sw.c:957
1 lock held by syz-executor.2/27225:
#0: ffff88804fd9b8d8 (&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 5.16.0-rc2-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: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: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: 2962 Comm: systemd-journal Not tainted 5.16.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:lockdep_hardirqs_on_prepare+0x28/0x400 kernel/locking/lockdep.c:4246
Code: 00 00 48 c7 c0 8c 93 91 8d 55 48 ba 00 00 00 00 00 fc ff df 48 89 c1 53 83 e0 07 48 c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 08 <84> d2 0f 85 7e 02 00 00 44 8b 0d d5 4a 35 0c 45 85 c9 0f 84 51 01
RSP: 0018:ffffc90001a8fc40 EFLAGS: 00000002
RAX: 0000000000000007 RBX: 0000000000000000 RCX: 1ffffffff1b23271
RDX: 0000000000000000 RSI: ffffffff817ddd51 RDI: ffffffff8947b54f
RBP: ffffffff8947b54f R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff817ddd38 R11: 0000000000000000 R12: 0000000000000000
R13: 00007ffdc14b3190 R14: 0000000000000013 R15: dffffc0000000000
FS: 00007faac28848c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faabf7fc000 CR3: 000000001c696000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
trace_hardirqs_on+0x5b/0x1c0 kernel/trace/trace_preemptirq.c:49
__raw_write_unlock_irq include/linux/rwlock_api_smp.h:265 [inline]
_raw_write_unlock_irq+0x1f/0x40 kernel/locking/spinlock.c:348
ep_send_events fs/eventpoll.c:1649 [inline]
ep_poll fs/eventpoll.c:1799 [inline]
do_epoll_wait+0x607/0x1940 fs/eventpoll.c:2227
__do_sys_epoll_wait fs/eventpoll.c:2239 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2234 [inline]
__x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2234
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: 0033:0x7faac1b4d2e3
Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d 29 54 2b 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 0b c2 00 00 48 89 04 24
RSP: 002b:00007ffdc14b3188 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 000055657cfba1e0 RCX: 00007faac1b4d2e3
RDX: 0000000000000013 RSI: 00007ffdc14b3190 RDI: 0000000000000008
RBP: 00007ffdc14b3380 R08: 0000000061a5859b R09: 00007ffdc158f080
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdc14b3190
R13: 0000000000000001 R14: ffffffffffffffff R15: 0005d1f7e9efe759
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 48 c7 c0 8c 93 91 8d mov $0xffffffff8d91938c,%rax
9: 55 push %rbp
a: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
11: fc ff df
14: 48 89 c1 mov %rax,%rcx
17: 53 push %rbx
18: 83 e0 07 and $0x7,%eax
1b: 48 c1 e9 03 shr $0x3,%rcx
1f: 83 c0 03 add $0x3,%eax
22: 0f b6 14 11 movzbl (%rcx,%rdx,1),%edx
26: 38 d0 cmp %dl,%al
28: 7c 08 jl 0x32
* 2a: 84 d2 test %dl,%dl <-- trapping instruction
2c: 0f 85 7e 02 00 00 jne 0x2b0
32: 44 8b 0d d5 4a 35 0c mov 0xc354ad5(%rip),%r9d # 0xc354b0e
39: 45 85 c9 test %r9d,%r9d
3c: 0f .byte 0xf
3d: 84 51 01 test %dl,0x1(%rcx)