INFO: task syz-executor.4:1023 blocked for more than 143 seconds.
      Tainted: G        W         5.13.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:24440 pid: 1023 ppid:  8490 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x934/0x2710 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6078
 __mutex_lock_common kernel/locking/mutex.c:1036 [inline]
 __mutex_lock+0x7b6/0x10a0 kernel/locking/mutex.c:1104
 tls_sw_sendpage+0x7f/0xe0 net/tls/tls_sw.c:1276
 inet_sendpage+0xd0/0x140 net/ipv4/af_inet.c:835
 kernel_sendpage.part.0+0x1a0/0x340 net/socket.c:3666
 kernel_sendpage net/socket.c:3663 [inline]
 sock_sendpage+0xe5/0x140 net/socket.c:995
 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_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: 0033:0x4665d9
RSP: 002b:00007fc243286188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000008
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000800100020001 R11: 0000000000000246 R12: 000000000056c038
R13: 00007fff966c19ff R14: 00007fc243286300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 1640 Comm: khungtaskd Tainted: G        W         5.13.0-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_lvl+0xcd/0x134 lib/dump_stack.c:96
 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+0xd4b/0xfb0 kernel/hung_task.c:294
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4850 Comm: systemd-journal Tainted: G        W         5.13.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_pc+0x37/0x60 kernel/kcov.c:197
Code: 81 e1 00 01 00 00 65 48 8b 14 25 00 f0 01 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 34 15 00 00 85 c0 74 2b 8b 82 10 15 00 00 <83> f8 02 75 20 48 8b 8a 18 15 00 00 8b 92 14 15 00 00 48 8b 01 48
RSP: 0018:ffffc90001117a40 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888019f20200 RSI: ffffffff8398ba93 RDI: 0000000000000003
RBP: ffff888016c5fa00 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff8398ba89 R11: 0000000000000000 R12: ffff888024ff6558
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000080
FS:  00007f9d05a638c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9d0152f000 CR3: 0000000018448000 CR4: 00000000001526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __inode_security_revalidate+0x83/0x140 security/selinux/hooks.c:298
 inode_security_rcu security/selinux/hooks.c:321 [inline]
 selinux_inode_permission+0x2e1/0x610 security/selinux/hooks.c:3202
 security_inode_permission+0x92/0xf0 security/security.c:1312
 inode_permission.part.0+0x119/0x440 fs/namei.c:521
 inode_permission fs/namei.c:494 [inline]
 may_lookup fs/namei.c:1655 [inline]
 link_path_walk.part.0+0x26e/0xc90 fs/namei.c:2211
 link_path_walk fs/namei.c:2193 [inline]
 path_lookupat+0xb7/0x850 fs/namei.c:2420
 filename_lookup+0x1b1/0x570 fs/namei.c:2454
 user_path_at include/linux/namei.h:60 [inline]
 do_faccessat+0x127/0x850 fs/open.c:425
 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: 0033:0x7f9d04d1e9c7
Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48
RSP: 002b:00007ffc623f8e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000015
RAX: ffffffffffffffda RBX: 00007ffc623fbda0 RCX: 00007f9d04d1e9c7
RDX: 00007f9d0578fa00 RSI: 0000000000000000 RDI: 000055b166d7b9a3
RBP: 00007ffc623f8ec0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffc623fbda0 R15: 00007ffc623f93b0