INFO: task syz.5.450:1735 blocked for more than 122 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.450       state:D stack:0     pid:1735  tgid:1734  ppid:1501   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:6052 [inline]
 __schedule+0x1496/0x20b0 kernel/sched/core.c:7865
 __schedule_loop kernel/sched/core.c:7942 [inline]
 schedule+0xc5/0x240 kernel/sched/core.c:7957
 schedule_timeout+0xc7/0x3b0 kernel/time/timer.c:2596
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common+0x368/0x650 kernel/sched/completion.c:127
 wait_for_completion_state+0x19/0x40 kernel/sched/completion.c:264
 coredump_wait fs/coredump.c:448 [inline]
 do_coredump+0x885/0x3050 fs/coredump.c:629
 get_signal+0x11bf/0x1490 kernel/signal.c:2918
 arch_do_signal_or_restart+0xbc/0x700 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 irqentry_exit_to_user_mode+0x4d/0xb0 kernel/entry/common.c:231
 irqentry_exit+0x16/0x60 kernel/entry/common.c:334
 exc_page_fault+0x65/0xc0 arch/x86/mm/fault.c:1537
 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fd027851c79
RSP: 002b:00007fd0288c8fc0 EFLAGS: 00010207
RAX: 0000000000000001 RBX: 0000200000000440 RCX: 00007fd02799ce59
RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000045
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000008
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd027c16038 R14: 00007fd027c15fa0 R15: 00007ffdf8b1b458
 </TASK>
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 d64b2f5a4faec06c76b1c009cdccbf3bdfb2fff1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:94
 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
 dump_stack+0x19/0x20 lib/dump_stack.c:129
 nmi_cpu_backtrace+0x2ba/0x2d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41
 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline]
 watchdog+0xe45/0xf90 kernel/hung_task.c:423
 kthread+0x2c7/0x360 kernel/kthread.c:389
 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 348 Comm: udevd Not tainted syzkaller #0 d64b2f5a4faec06c76b1c009cdccbf3bdfb2fff1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:avtab_search_node+0x395/0x560 security/selinux/ss/avtab.c:188
Code: 89 e6 e8 9e 4e 0e ff 66 45 39 e7 0f 82 f3 00 00 00 e8 6f 4d 0e ff 44 8b 7d d0 48 83 c3 10 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 b1 00 67 ff 48 8b 1b 48 85 db 0f 84 af 00 00 00
RSP: 0018:ffffc9000b78f118 EFLAGS: 00000246
RAX: 1ffff110216608c0 RBX: ffff88810b304600 RCX: ffff88810bf8cc00
RDX: 0000000000000000 RSI: 0000000000000143 RDI: 00000000000002f5
RBP: ffffc9000b78f150 R08: 0000000000000004 R09: 0000000000000004
R10: ffffc9000b78f604 R11: fffff520016f1ec5 R12: 0000000000000143
R13: dffffc0000000000 R14: 00000000000002f5 R15: 00000000000002b3
FS:  00007f79b4b74880(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000005000 CR3: 000000011f78e000 CR4: 00000000003526b0
DR0: 000000000000002a DR1: ffffffffff7fff00 DR2: 0000000000000003
DR3: 0000000000000005 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 cond_compute_av+0x58/0x410 security/selinux/ss/conditional.c:584
 context_struct_compute_av+0x82f/0x1730 security/selinux/ss/services.c:672
 security_compute_av+0x374/0xfb0 security/selinux/ss/services.c:1147
 avc_compute_av+0x89/0x760 security/selinux/avc.c:994
 avc_perm_nonode+0xda/0x1d0 security/selinux/avc.c:1118
 avc_has_perm_noaudit+0x21f/0x360 security/selinux/avc.c:1161
 cred_has_capability+0x19a/0x3a0 security/selinux/hooks.c:1664
 selinux_capable+0x38/0x50 security/selinux/hooks.c:2158
 security_capable+0x9d/0x130 security/security.c:1148
 ns_capable_common kernel/capability.c:362 [inline]
 ns_capable+0x73/0xf0 kernel/capability.c:383
 netlink_allowed+0xf0/0x150 net/netlink/af_netlink.c:908
 netlink_sendmsg+0x6d3/0xad0 net/netlink/af_netlink.c:1841
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x99e/0xa00 net/socket.c:2609
 ___sys_sendmsg+0x2a6/0x370 net/socket.c:2663
 __sys_sendmsg net/socket.c:2692 [inline]
 __do_sys_sendmsg net/socket.c:2701 [inline]
 __se_sys_sendmsg net/socket.c:2699 [inline]
 __x64_sys_sendmsg+0x206/0x2e0 net/socket.c:2699
 x64_sys_call+0x2a4c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f79b44a7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffc2da711d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f79b4b74880 RCX: 00007f79b44a7407
RDX: 0000000000000000 RSI: 00007ffc2da71230 RDI: 000000000000000c
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000091
R13: 00005566fa02f870 R14: 0000000000000000 R15: 0000000000000000
 </TASK>