INFO: task syz-executor.5:24162 blocked for more than 143 seconds.
Not tainted 5.12.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:23424 pid:24162 ppid: 19026 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4322 [inline]
__schedule+0x911/0x21b0 kernel/sched/core.c:5073
schedule+0xcf/0x270 kernel/sched/core.c:5152
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5211
__mutex_lock_common kernel/locking/mutex.c:1026 [inline]
__mutex_lock+0x81f/0x1120 kernel/locking/mutex.c:1096
tls_sw_sendpage+0x7f/0xe0 net/tls/tls_sw.c:1275
inet_sendpage+0xd0/0x140 net/ipv4/af_inet.c:835
kernel_sendpage.part.0+0x1ab/0x350 net/socket.c:3631
kernel_sendpage net/socket.c:3628 [inline]
sock_sendpage+0xe5/0x140 net/socket.c:947
pipe_to_sendpage+0x2ad/0x380 fs/splice.c:364
splice_from_pipe_feed fs/splice.c:418 [inline]
__splice_from_pipe+0x43e/0x8a0 fs/splice.c:562
splice_from_pipe fs/splice.c:597 [inline]
generic_splice_sendpage+0xd4/0x140 fs/splice.c:746
do_splice_from fs/splice.c:767 [inline]
direct_splice_actor+0x110/0x180 fs/splice.c:936
splice_direct_to_actor+0x34b/0x8c0 fs/splice.c:891
do_splice_direct+0x1b3/0x280 fs/splice.c:979
do_sendfile+0x9f0/0x1110 fs/read_write.c:1260
__do_sys_sendfile64 fs/read_write.c:1325 [inline]
__se_sys_sendfile64 fs/read_write.c:1311 [inline]
__x64_sys_sendfile64+0x1cc/0x210 fs/read_write.c:1311
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x466459
RSP: 002b:00007f789ceb5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000466459
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000008
RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000
R10: 0000800100020001 R11: 0000000000000246 R12: 000000000056c008
R13: 00007fff46389e1f R14: 00007f789ceb5300 R15: 0000000000022000
Showing all locks held in the system:
3 locks held by kworker/0:0/5:
#0: ffff888010864d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888010864d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff888010864d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff888010864d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff888010864d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff888010864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
#1: ffffc90000ca7da8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
#2: ffff88802b1064d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 net/tls/tls_sw.c:2262
2 locks held by kworker/u4:4/235:
#0: ffff8880b9d35198 (&rq->lock){-.-.}-{2:2}, at: newidle_balance+0x789/0xe50 kernel/sched/fair.c:10633
#1: ffffffff8bf74360 (rcu_read_lock){....}-{1:2}, at: cpu_of kernel/sched/sched.h:1086 [inline]
#1: ffffffff8bf74360 (rcu_read_lock){....}-{1:2}, at: __update_idle_core+0x39/0x430 kernel/sched/fair.c:6045
1 lock held by khungtaskd/1633:
#0: ffffffff8bf74360 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6327
1 lock held by in:imklog/8106:
2 locks held by agetty/8116:
#0: ffff888022187098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266
#1: ffffc900011782e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xd5b/0x12f0 drivers/tty/n_tty.c:2178
1 lock held by syz-executor.5/24162:
#0: ffff88802b1064d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tls_sw_sendpage+0x7f/0xe0 net/tls/tls_sw.c:1275
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 1633 Comm: khungtaskd Not tainted 5.12.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x141/0x1d7 lib/dump_stack.c:120
nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105
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:209 [inline]
watchdog+0xd48/0xfb0 kernel/hung_task.c:294
kthread+0x3b1/0x4a0 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 235 Comm: kworker/u4:4 Not tainted 5.12.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_tt_purge
RIP: 0010:native_apic_mem_write+0x8/0x10 arch/x86/include/asm/apic.h:110
Code: c7 40 69 38 8f e8 f8 f3 85 00 eb b0 66 0f 1f 44 00 00 be 01 00 00 00 e9 b6 c9 2c 00 cc cc cc cc cc cc 89 ff 89 b7 00 c0 5f ff <c3> 0f 1f 80 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 53 89 fb 48
RSP: 0018:ffffc90000dc0fd0 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: ffffffff8b0bc8c0 RCX: 1ffff110173a3f00
RDX: 1ffffffff1617918 RSI: 0000000000000000 RDI: 00000000000000b0
RBP: 0000000000000000 R08: ffffffff8f392058 R09: ffffffff8f39204f
R10: ffffffff8f392057 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4973164028 CR3: 0000000012a38000 CR4: 0000000000350ee0
Call Trace:
<IRQ>
apic_eoi arch/x86/include/asm/apic.h:398 [inline]
ack_APIC_irq arch/x86/include/asm/apic.h:444 [inline]
__sysvec_apic_timer_interrupt+0x79/0x540 arch/x86/kernel/apic/apic.c:1104
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1100
</IRQ>
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:check_preemption_disabled+0x3f/0x150 lib/smp_processor_id.c:60
Code: 8b 25 fd 47 fb 76 65 8b 1d 4e a2 fb 76 81 e3 ff ff ff 7f 31 ff 89 de 0f 1f 44 00 00 85 db 74 11 0f 1f 44 00 00 44 89 e0 5b 5d <41> 5c 41 5d 41 5e c3 0f 1f 44 00 00 9c 5b 81 e3 00 02 00 00 31 ff
RSP: 0018:ffffc9000142fad8 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000285f66 RCX: ffffffff8159a568
RDX: 0000000000000001 RSI: 0000000000000203 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8dc6234f
R10: fffffbfff1b8c469 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff89c21900 R14: 0000000000000000 R15: 0000000000000000
rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1217 [inline]
rcu_lockdep_current_cpu_online+0x2d/0x150 kernel/rcu/tree.c:1208
rcu_read_lock_held_common kernel/rcu/update.c:112 [inline]
rcu_read_lock_held_common kernel/rcu/update.c:102 [inline]
rcu_read_lock_sched_held+0x25/0x70 kernel/rcu/update.c:123
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x5e9/0x740 kernel/locking/lockdep.c:5481
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
_raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:175
spin_lock_bh include/linux/spinlock.h:359 [inline]
batadv_tt_local_purge+0x114/0x370 net/batman-adv/translation-table.c:1365
batadv_tt_purge+0x2c/0xaf0 net/batman-adv/translation-table.c:3589
process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
kthread+0x3b1/0x4a0 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294