INFO: task syz.2.2723:15417 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.2723      state:D stack:26552 pid:15417 tgid:15414 ppid:5619   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7bf/0x1550 kernel/locking/mutex.c:821
 nfsd_nl_rpc_status_get_dumpit+0xdc/0x13b0 fs/nfsd/nfsctl.c:1494
 genl_dumpit+0x10b/0x1b0 net/netlink/genetlink.c:1026
 netlink_dump+0x711/0xee0 net/netlink/af_netlink.c:2331
 __netlink_dump_start+0x589/0x7b0 net/netlink/af_netlink.c:2446
 genl_family_rcv_msg_dumpit+0x213/0x310 net/netlink/genetlink.c:1075
 genl_family_rcv_msg net/netlink/genetlink.c:1191 [inline]
 genl_rcv_msg+0x5e1/0x7a0 net/netlink/genetlink.c:1209
 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec net/socket.c:775 [inline]
 __sock_sendmsg net/socket.c:790 [inline]
 ____sys_sendmsg+0x9b9/0xa20 net/socket.c:2684
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2738
 __sys_sendmsg net/socket.c:2770 [inline]
 __do_sys_sendmsg net/socket.c:2775 [inline]
 __se_sys_sendmsg net/socket.c:2773 [inline]
 __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2773
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5c9f39ce59
RSP: 002b:00007f5c9d5f6028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f5c9f616180 RCX: 00007f5c9f39ce59
RDX: 0000000000000080 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007f5c9f432e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5c9f616218 R14: 00007f5c9f616180 R15: 00007ffc9a6277f8
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x135/0x170 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline]
 watchdog+0xfd7/0x1030 kernel/hung_task.c:561
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 20330 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:tomoyo_check_acl+0x136/0x400 security/tomoyo/domain.c:175
Code: 18 84 c0 0f 85 24 01 00 00 48 8b 44 24 08 44 0f b6 38 45 0f b6 e4 44 89 e7 44 89 fe e8 83 8b 5e fd 45 38 fc 75 5f 48 8b 3c 24 <4c> 89 f6 4c 8b 5c 24 28 2e 2e 2e 41 ff d3 84 c0 74 50 4d 8d 7e 10
RSP: 0018:ffffc900074f7a10 EFLAGS: 00000246
RAX: ffffffff84676b1d RBX: dffffc0000000000 RCX: 0000000000000000
RDX: ffff888030ec9f00 RSI: 0000000000000002 RDI: ffffc900074f7b20
RBP: ffff88802d1bea90 R08: ffff888030ec9f00 R09: 0000000000000002
R10: 000000000000005c R11: ffffffff8467bf20 R12: 0000000000000002
R13: 0000000000000000 R14: ffff8880266ca580 R15: 0000000000000002
FS:  000055557a3d1500(0000) GS:ffff88812527b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff4cef2f10 CR3: 0000000085c98000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 tomoyo_path_number_perm+0x338/0x5f0 security/tomoyo/file.c:738
 tomoyo_path_mkdir+0xb0/0xf0 security/tomoyo/tomoyo.c:179
 security_path_mkdir+0x169/0x350 security/security.c:1450
 filename_mkdirat+0x200/0x510 fs/namei.c:5302
 __do_sys_mkdirat fs/namei.c:5326 [inline]
 __se_sys_mkdirat+0x35/0x150 fs/namei.c:5323
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb1bd39bcc7
Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff4cef4658 EFLAGS: 00000202 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fff4cef46b0 RCX: 00007fb1bd39bcc7
RDX: 00000000000001ff RSI: 00007fff4cef46b0 RDI: 00000000ffffff9c
RBP: 00007fff4cef469c R08: 0000000000000003 R09: 00000000fffffffd
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000006f
R13: 00000000000927c0 R14: 0000000000068f29 R15: 00007fff4cef46f0
 </TASK>