INFO: task syz-executor.3:18123 blocked for more than 143 seconds.
Not tainted 5.19.0-rc3-syzkaller-00629-g7c2c57263af4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:25416 pid:18123 ppid: 3641 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:3568
kernel_sendpage net/socket.c:3565 [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: 0033:0x7f3ca7689109
RSP: 002b:00007f3ca888f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f3ca779c030 RCX: 00007f3ca7689109
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f3ca76e305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff43beb73f R14: 00007f3ca888f300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8bd86ba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6491
2 locks held by getty/3290:
#0: ffff888026b05098 (&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
3 locks held by kworker/1:13/4051:
#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: ffffc90008ecfda8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff88807db3bcd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 net/tls/tls_sw.c:2223
2 locks held by kworker/u4:19/7570:
1 lock held by syz-executor.3/18123:
#0: ffff88807db3bcd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tls_sw_sendpage+0x7f/0xe0 net/tls/tls_sw.c:1288
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc3-syzkaller-00629-g7c2c57263af4 #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+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:220 [inline]
watchdog+0xc22/0xf90 kernel/hung_task.c:378
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3607 Comm: syz-fuzzer Not tainted 5.19.0-rc3-syzkaller-00629-g7c2c57263af4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ipv4_dst_check+0x0/0x190 net/ipv4/route.c:1197
Code: ee e8 04 9f a8 f9 4d 85 ed 0f 85 db fb ff ff e9 8d f5 ff ff 66 0f 1f 44 00 00 e9 8b a2 a8 f9 66 66 2e 0f 1f 84 00 00 00 00 00 <41> 55 41 54 55 53 48 89 fb e8 72 a2 a8 f9 48 8d 7b 3a 48 b8 00 00
RSP: 0018:ffffc9000308f9a8 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffffff8d6c7d80 RCX: 0000000000000000
RDX: 1ffffffff1ad8fb2 RSI: 0000000000000000 RDI: ffff88802fa30500
RBP: ffff88807cd58640 R08: 0000000000000004 R09: 0000000000000007
R10: 0000000000000007 R11: 0000000000000001 R12: ffff888076038c00
R13: ffff88802fa30500 R14: 0000000000000007 R15: 0000000000000000
FS: 000000c0001d5090(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f25ebbe28c8 CR3: 000000001c059000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
tcp_v4_do_rcv+0x653/0x9b0 net/ipv4/tcp_ipv4.c:1653
sk_backlog_rcv include/net/sock.h:1047 [inline]
__release_sock+0x134/0x3b0 net/core/sock.c:2850
release_sock+0x54/0x1b0 net/core/sock.c:3405
tcp_recvmsg+0x11d/0x620 net/ipv4/tcp.c:2580
inet_recvmsg+0x115/0x5e0 net/ipv4/af_inet.c:850
sock_recvmsg_nosec net/socket.c:995 [inline]
sock_recvmsg net/socket.c:1013 [inline]
sock_recvmsg net/socket.c:1009 [inline]
sock_read_iter+0x337/0x470 net/socket.c:1086
call_read_iter include/linux/fs.h:2052 [inline]
new_sync_read+0x4f9/0x5f0 fs/read_write.c:401
vfs_read+0x492/0x5d0 fs/read_write.c:482
ksys_read+0x1e8/0x250 fs/read_write.c:620
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: 0033:0x49dfbb
Code: e8 aa 4b fc ff eb 88 cc cc cc cc cc cc cc cc e8 bb 8f fc ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
RSP: 002b:000000c0005299b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000000c000022800 RCX: 000000000049dfbb
RDX: 0000000000001000 RSI: 000000c0004b2000 RDI: 0000000000000006
RBP: 000000c000529a08 R08: 0000000000000001 R09: 00007ffe084e1080
R10: 00007ffe084e1090 R11: 0000000000000212 R12: 000000c000245e30
R13: 0000000000000004 R14: 000000c0000836c0 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: ee out %al,(%dx)
1: e8 04 9f a8 f9 callq 0xf9a89f0a
6: 4d 85 ed test %r13,%r13
9: 0f 85 db fb ff ff jne 0xfffffbea
f: e9 8d f5 ff ff jmpq 0xfffff5a1
14: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1)
1a: e9 8b a2 a8 f9 jmpq 0xf9a8a2aa
1f: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1)
26: 00 00 00 00
* 2a: 41 55 push %r13 <-- trapping instruction
2c: 41 54 push %r12
2e: 55 push %rbp
2f: 53 push %rbx
30: 48 89 fb mov %rdi,%rbx
33: e8 72 a2 a8 f9 callq 0xf9a8a2aa
38: 48 8d 7b 3a lea 0x3a(%rbx),%rdi
3c: 48 rex.W
3d: b8 .byte 0xb8