INFO: task syz.3.390:7686 blocked for more than 144 seconds.
Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.390 state:D stack:27072 pid:7686 tgid:7685 ppid:5828 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5371 [inline]
__schedule+0x189f/0x4c80 kernel/sched/core.c:6758
__schedule_loop kernel/sched/core.c:6835 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6850
__lock_sock+0x1cd/0x330 net/core/sock.c:3079
lock_sock_nested+0x9e/0x100 net/core/sock.c:3647
lock_sock include/net/sock.h:1618 [inline]
tls_sw_sendmsg+0x17a/0x28c0 net/tls/tls_sw.c:1239
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg+0xef/0x270 net/socket.c:726
sock_write_iter+0x2d7/0x3f0 net/socket.c:1158
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xacf/0xd10 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f60de185d29
RSP: 002b:00007f60df068038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f60de375fa0 RCX: 00007f60de185d29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007f60de201aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f60de375fa0 R15: 00007fff8fde68e8
Showing all locks held in the system:
3 locks held by kworker/u8:2/29:
1 lock held by khungtaskd/31:
#0: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
3 locks held by kworker/1:1/47:
2 locks held by getty/5593:
#0: ffff888030b870a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
2 locks held by syz.3.390/7686:
#0: ffff88807ef670f0 (&ctx->tx_lock){+.+.}-{4:4}, at: tls_sw_sendmsg+0x143/0x28c0 net/tls/tls_sw.c:1236
#1: ffff88805e6bd358 (sk_lock-AF_INET6){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1618 [inline]
#1: ffff88805e6bd358 (sk_lock-AF_INET6){+.+.}-{0:0}, at: tls_sw_sendmsg+0x17a/0x28c0 net/tls/tls_sw.c:1239
1 lock held by syz.3.390/7691:
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xff6/0x1040 kernel/hung_task.c:397
kthread+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 7691 Comm: syz.3.390 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:get_current arch/x86/include/asm/current.h:49 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:216
Code: 8b 3d 44 af 70 0c 48 89 de 5b e9 73 08 5b 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0c 25 c0 d6 03 00 65 8b 15 90 b2 44 7e 81 e2 00 01 ff 00
RSP: 0018:ffffc90002fd6f08 EFLAGS: 00000293
RAX: ffffffff8a7ecc5e RBX: ffff88807ef67000 RCX: ffff88802c701e00
RDX: 0000000000000000 RSI: ffff88807ef67000 RDI: ffff88805e6bd100
RBP: 0000000000000035 R08: ffffffff8a7dc155 R09: 1ffffffff34fad20
R10: dffffc0000000000 R11: ffffffff8a7dc0c0 R12: dffffc0000000000
R13: 1ffff1100bcd7a54 R14: ffff88805e6bd100 R15: ffff88807ef67000
FS: 00007f60df0266c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000339b8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
tls_sw_write_space+0x1e/0x150 net/tls/tls_sw.c:2621
tls_write_space+0xbc/0x120 net/tls/tls_main.c:315
tcp_new_space net/ipv4/tcp_input.c:5714 [inline]
tcp_check_space+0x657/0xb00 net/ipv4/tcp_input.c:5733
tcp_write_xmit+0x17d8/0x6bf0 net/ipv4/tcp_output.c:2836
__tcp_push_pending_frames+0x9b/0x360 net/ipv4/tcp_output.c:3012
tcp_sendmsg_locked+0x15fa/0x5330 net/ipv4/tcp.c:1313
tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1358
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg+0xef/0x270 net/socket.c:726
sock_sendmsg+0x134/0x200 net/socket.c:749
splice_to_socket+0xa10/0x10b0 fs/splice.c:889
do_splice_from fs/splice.c:941 [inline]
direct_splice_actor+0x11b/0x220 fs/splice.c:1164
splice_direct_to_actor+0x586/0xc80 fs/splice.c:1108
do_splice_direct_actor fs/splice.c:1207 [inline]
do_splice_direct+0x289/0x3e0 fs/splice.c:1233
do_sendfile+0x564/0x8a0 fs/read_write.c:1363
__do_sys_sendfile64 fs/read_write.c:1418 [inline]
__se_sys_sendfile64+0x100/0x1e0 fs/read_write.c:1410
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f60de185d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f60df026038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f60de376160 RCX: 00007f60de185d29
RDX: 0000000020000100 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007f60de201aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0100000000010001 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f60de376160 R15: 00007fff8fde68e8