INFO: task syz.7.14073:10763 blocked for more than 122 seconds.
      Not tainted 6.12.30-syzkaller-ga5cb8a78429e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.14073     state:D stack:0     pid:10763 tgid:10763 ppid:10147  flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5945 [inline]
 __schedule+0x132b/0x1e00 kernel/sched/core.c:7789
 __schedule_loop kernel/sched/core.c:7870 [inline]
 schedule+0xc6/0x240 kernel/sched/core.c:7885
 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_flush+0x909/0x1d50 fs/fuse/file.c:582
 filp_flush fs/open.c:1550 [inline]
 filp_close+0xbd/0x160 fs/open.c:1563
 __range_close fs/file.c:712 [inline]
 __close_range+0x50e/0x6c0 fs/file.c:769
 __do_sys_close_range fs/open.c:1616 [inline]
 __se_sys_close_range fs/open.c:1613 [inline]
 __x64_sys_close_range+0x7e/0x90 fs/open.c:1613
 x64_sys_call+0x1686/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:437
 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: 0033:0x7fb19318e929
RSP: 002b:00007fff7087e5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: ffffffffffffffda RBX: 00007fb1933b7ba0 RCX: 00007fb19318e929
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fb1933b7ba0 R08: 00000000000001f8 R09: 0000001d7087e8af
R10: 00007fb1933b7ac0 R11: 0000000000000246 R12: 00000000000ca5c3
R13: 00007fff7087e6b0 R14: ffffffffffffffff R15: 00007fff7087e6d0
 </TASK>
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.12.30-syzkaller-ga5cb8a78429e #0 9bbc03ab1dc79c3d7e5765d1d80d3456af2f821a
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
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+0x2c7/0x370 kernel/kthread.c:389
 ret_from_fork+0x64/0xa0 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: 0 Comm: swapper/0 Not tainted 6.12.30-syzkaller-ga5cb8a78429e #0 9bbc03ab1dc79c3d7e5765d1d80d3456af2f821a
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__kasan_check_read+0x16/0x20 mm/kasan/shadow.c:31
Code: 31 ff eb c9 b8 02 e4 2e 0f 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 89 f6 48 8b 4d 08 31 d2 e8 ab e4 ff ff 5d <e9> d5 61 ac 03 cc 0f 1f 40 00 b8 02 e4 2e 0f 90 90 90 90 90 90 90
RSP: 0018:ffffffff87207ba8 EFLAGS: 00000056
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff8174f51e
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff87ca7be8
RBP: ffffffff87207c50 R08: ffffffff87ca7bef R09: 1ffffffff0f94f7d
R10: dffffc0000000000 R11: fffffbfff0f94f7e R12: 00000001000104b3
R13: ffff8881f6e2d4f0 R14: 00000001000104b3 R15: 000000e1788abd80
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f76eb782178 CR3: 00000001293f0000 CR4: 00000000003526b0
DR0: 0000000000000080 DR1: 0000000000000004 DR2: 0000000000000006
DR3: 0000000000000004 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 get_next_timer_interrupt+0x23/0x40 kernel/time/timer.c:2342
 tick_nohz_next_event+0x1d9/0x3e0 kernel/time/tick-sched.c:933
 tick_nohz_idle_stop_tick+0x114/0x9f0 kernel/time/tick-sched.c:1228
 cpuidle_idle_call kernel/sched/idle.c:183 [inline]
 do_idle+0x19b/0x470 kernel/sched/idle.c:326
 cpu_startup_entry+0x48/0x70 kernel/sched/idle.c:424
 rest_init+0x10b/0x130 init/main.c:748
 start_kernel+0x46a/0x4bb init/main.c:1135
 x86_64_start_reservations+0x2e/0x30 arch/x86/kernel/head64.c:507
 x86_64_start_kernel+0x6a/0x7b arch/x86/kernel/head64.c:488
 common_startup_64+0x13b/0x157
 </TASK>