INFO: task syz-executor.2:11052 blocked for more than 143 seconds.
Not tainted 5.19.0-rc5-syzkaller-00105-g9f09069cde34 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:26424 pid:11052 ppid: 3636 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6589
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747
tls_sw_sendpage+0x7f/0xe0 net/tls/tls_sw.c:1288
inet_sendpage+0xd0/0x140 net/ipv4/af_inet.c:833
kernel_sendpage.part.0+0x1ff/0x7b0 net/socket.c:3567
kernel_sendpage net/socket.c:3564 [inline]
sock_sendpage+0xdf/0x140 net/socket.c:1054
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+0x1a7/0x270 fs/splice.c:979
do_sendfile+0xae0/0x1240 fs/read_write.c:1262
__do_sys_sendfile64 fs/read_write.c:1327 [inline]
__se_sys_sendfile64 fs/read_write.c:1313 [inline]
__x64_sys_sendfile64+0x1cc/0x210 fs/read_write.c:1313
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+0x46/0xb0
RIP: 0033:0x7f02d4e89109
RSP: 002b:00007f02d5fa6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f02d4f9c030 RCX: 00007f02d4e89109
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f02d4ee305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f02d54cfb1f R14: 00007f02d5fa6300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff8bd86660 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6491
2 locks held by getty/3288:
#0: ffff88814a599098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002d162e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 drivers/tty/n_tty.c:2124
2 locks held by kworker/u4:12/24269:
3 locks held by kworker/0:21/440:
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc90003ecfda8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff88807ab2fcd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 net/tls/tls_sw.c:2223
1 lock held by syz-executor.2/11052:
#0: ffff88807ab2fcd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tls_sw_sendpage+0x7f/0xe0 net/tls/tls_sw.c:1288
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.19.0-rc5-syzkaller-00105-g9f09069cde34 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
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+0x1e6/0x230 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:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 9197 Comm: kworker/u4:10 Not tainted 5.19.0-rc5-syzkaller-00105-g9f09069cde34 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Workqueue: bat_events batadv_nc_worker
RIP: 0010:instrument_atomic_read include/linux/instrumented.h:71 [inline]
RIP: 0010:test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
RIP: 0010:hlock_class kernel/locking/lockdep.c:227 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4752 [inline]
RIP: 0010:__lock_acquire+0x6d9/0x5660 kernel/locking/lockdep.c:5003
Code: c6 48 8d 7b 20 48 89 fa 48 c1 ea 03 42 0f b6 14 3a 84 d2 74 09 80 fa 03 0f 8e 27 2c 00 00 0f b7 53 20 66 81 e2 ff 1f 0f b7 da 08 00 00 00 48 89 d8 48 c1 f8 06 48 8d 3c c5 00 09 68 90 e8 6e
RSP: 0018:ffffc900049cf9b8 EFLAGS: 00000002
RAX: 0000000000000005 RBX: 0000000000000737 RCX: ffffffff815df642
RDX: 0000000000000737 RSI: 0000000000000008 RDI: ffff88807a37a828
RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffff906809e7
R10: fffffbfff20d013c R11: 0000000000000001 R12: 0000000000000001
R13: ffff88807a379d80 R14: ffff88807a37a7e0 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd9af00b028 CR3: 000000000ba8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5665 [inline]
lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:354 [inline]
batadv_nc_purge_paths+0xdf/0x3a0 net/batman-adv/network-coding.c:442
batadv_nc_worker+0x930/0xfa0 net/batman-adv/network-coding.c:722
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 48 8d 7b 20 lea 0x20(%rbx),%rdi
4: 48 89 fa mov %rdi,%rdx
7: 48 c1 ea 03 shr $0x3,%rdx
b: 42 0f b6 14 3a movzbl (%rdx,%r15,1),%edx
10: 84 d2 test %dl,%dl
12: 74 09 je 0x1d
14: 80 fa 03 cmp $0x3,%dl
17: 0f 8e 27 2c 00 00 jle 0x2c44
1d: 0f b7 53 20 movzwl 0x20(%rbx),%edx
21: 66 81 e2 ff 1f and $0x1fff,%dx
26: 0f b7 da movzwl %dx,%ebx
* 29: be 08 00 00 00 mov $0x8,%esi <-- trapping instruction
2e: 48 89 d8 mov %rbx,%rax
31: 48 c1 f8 06 sar $0x6,%rax
35: 48 8d 3c c5 00 09 68 lea -0x6f97f700(,%rax,8),%rdi
3c: 90
3d: e8 .byte 0xe8
3e: 6e outsb %ds:(%rsi),(%dx)