syzbot

INFO: task syz.0.22:6033 blocked for more than 152 seconds.
      Not tainted 6.14.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.22        state:D stack:25656 pid:6033  tgid:6033  ppid:5937   task_flags:0x400040 flags:0x00000004
 <TASK>
 __schedule_loop kernel/sched/core.c:6842 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6857
 schedule_timeout+0xb0/0x290 kernel/time/sleep_timeout.c:75
 __cancel_work_sync+0xbc/0x110 kernel/workqueue.c:4362
 uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
 uhid_char_release+0xac/0x600 drivers/hid/uhid.c:662
 __fput+0x3e9/0x9f0 fs/file_table.c:464
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0f6998d169
RSP: 002b:00007ffe4cd3e698 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000019525 RCX: 00007f0f6998d169
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f0f69ba7ba0 R08: 0000000000000001 R09: 000000024cd3e98f
R10: 00007f0f69800000 R11: 0000000000000246 R12: 00007f0f69ba5fac
R13: 00007f0f69ba5fa0 R14: ffffffffffffffff R15: 00007ffe4cd3e7b0
 </TASK>
INFO: task syz.2.18:6035 blocked for more than 156 seconds.
      Not tainted 6.14.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.18        state:D stack:25984 pid:6035  tgid:6035  ppid:5945   task_flags:0x400040 flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0x18bc/0x4c40 kernel/sched/core.c:6765
 __schedule_loop kernel/sched/core.c:6842 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6857
 schedule_timeout+0xb0/0x290 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
 __flush_work+0xa47/0xc60 kernel/workqueue.c:4242
 __fput+0x3e9/0x9f0 fs/file_table.c:464
 task_work_run+0x24f/0x310 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
RIP: 0033:0x7f4cedb8d169
RAX: 0000000000000000 RBX: 0000000000019540 RCX: 00007f4cedb8d169
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f4cedda7ba0 R08: 0000000000000001 R09: 0000000243e0cb6f
R10: 00007f4ceda00000 R11: 0000000000000246 R12: 00007f4cedda5fac
      Not tainted 6.14.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.17        state:D
 stack:25984 pid:6037  tgid:6037  ppid:5940   task_flags:0x400040 flags:0x00000004
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0x18bc/0x4c40 kernel/sched/core.c:6765