INFO: task syz.6.17007:18386 blocked for more than 122 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.17007     state:D stack:0     pid:18386 tgid:18385 ppid:17864  flags:0x00024004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5945 [inline]
 __schedule+0x1322/0x1df0 kernel/sched/core.c:7791
 __schedule_loop kernel/sched/core.c:7872 [inline]
 schedule+0xc6/0x240 kernel/sched/core.c:7887
 request_wait_answer fs/fuse/dev.c:476 [inline]
 __fuse_request_send fs/fuse/dev.c:491 [inline]
 __fuse_simple_request+0xdb1/0x1980 fs/fuse/dev.c:586
 fuse_simple_request fs/fuse/fuse_i.h:1248 [inline]
 fuse_send_open fs/fuse/file.c:53 [inline]
 fuse_file_open+0x47c/0x910 fs/fuse/file.c:163
 fuse_do_open+0x56/0xe0 fs/fuse/file.c:192
 fuse_dir_open+0x2cf/0x1750 fs/fuse/dir.c:2028
 do_dentry_open+0x97b/0x1510 fs/open.c:960
 vfs_open+0x86/0x230 fs/open.c:1090
 do_open fs/namei.c:3774 [inline]
 path_openat+0x2b6c/0x34b0 fs/namei.c:3933
 do_filp_open+0x1c6/0x3e0 fs/namei.c:3960
 do_sys_openat2+0x12c/0x1c0 fs/open.c:1438
 do_sys_open fs/open.c:1453 [inline]
 __do_sys_open fs/open.c:1461 [inline]
 __se_sys_open fs/open.c:1457 [inline]
 __x64_sys_open+0x120/0x150 fs/open.c:1457
 x64_sys_call+0x131a/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fa57098eec9
RSP: 002b:00007fa5717b1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fa570be5fa0 RCX: 00007fa57098eec9
RDX: 0000000000000010 RSI: 0000000000101000 RDI: 00002000000000c0
RBP: 00007fa570a11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa570be6038 R14: 00007fa570be5fa0 R15: 00007ffe75b90918
 </TASK>
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 a1e7228139d9ee8ddccd82caf3411206af300c09
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:94
 dump_stack_lvl+0x10c/0x190 lib/dump_stack.c:120
 dump_stack+0x19/0x20 lib/dump_stack.c:129
 nmi_cpu_backtrace+0x2bf/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+0xd8f/0xed0 kernel/hung_task.c:423
 kthread+0x2ca/0x370 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: 18169 Comm: syz-executor Not tainted syzkaller #0 a1e7228139d9ee8ddccd82caf3411206af300c09
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:xas_clear_mark+0x0/0x430 lib/xarray.c:907
Code: 60 ff ff ff 48 89 df e8 9e c1 50 fc e9 53 ff ff ff 66 0f 1f 84 00 00 00 00 00 b8 56 9c ac bf 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 18 41
RSP: 0018:ffffc9000472fad8 EFLAGS: 00000093
RAX: ffffffff858c2585 RBX: 0000000004000003 RCX: ffff888119481300
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffc9000472fb20
RBP: ffffc9000472fbd0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520008e5f48 R12: dffffc0000000000
R13: 0000000000000001 R14: 000000000400000c R15: ffff8881199b2dfc
FS:  0000555561641500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8c6c3b3ad8 CR3: 00000001599d8000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 tcp_v4_destroy_sock+0xf1/0x480 net/ipv4/tcp_ipv4.c:2537
 inet_csk_destroy_sock+0x17c/0x3a0 net/ipv4/inet_connection_sock.c:1307
 __tcp_close+0xbda/0xe90 net/ipv4/tcp.c:3230
 tcp_close+0x2d/0x120 net/ipv4/tcp.c:3242
 inet_release+0x1b1/0x2c0 net/ipv4/af_inet.c:442
 inet6_release+0x5b/0x80 net/ipv6/af_inet6.c:494
 __sock_release net/socket.c:659 [inline]
 sock_close+0xda/0x280 net/socket.c:1427
 __fput+0x1fb/0xa00 fs/file_table.c:429
 __fput_sync+0x4a/0x70 fs/file_table.c:514
 __do_sys_close fs/open.c:1590 [inline]
 __se_sys_close+0x17b/0x240 fs/open.c:1575
 __x64_sys_close+0x3c/0x60 fs/open.c:1575
 x64_sys_call+0x2560/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:4
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f8c6c18db00
Code: 00 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d4 e8 40 46 00 00 80 3d 61 aa 22 00 00 74 17 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c
RSP: 002b:00007ffe2af6be38 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f8c6c18db00
RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 00007ffe2af6be7c R08: 00000000000002e8 R09: 0079746972756365
R10: 00007f8c6c3b4140 R11: 0000000000000202 R12: 000000000000021c
R13: 00000000000927c0 R14: 000000000013bc94 R15: 00007ffe2af6bed0
 </TASK>