INFO: task syz-executor.4:7972 blocked for more than 143 seconds.
      Not tainted 5.10.239 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:27936 pid: 7972 ppid:   286 flags:0x00000004
Call Trace:
 context_switch kernel/sched/core.c:3799 [inline]
 __schedule+0x824/0x1ea0 kernel/sched/core.c:4547
 schedule+0xcb/0x270 kernel/sched/core.c:4625
 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4684
 __mutex_lock_common kernel/locking/mutex.c:1047 [inline]
 __mutex_lock+0x7a8/0x10b0 kernel/locking/mutex.c:1109
 __do_sys_acct kernel/acct.c:308 [inline]
 __se_sys_acct kernel/acct.c:296 [inline]
 __x64_sys_acct+0xa3/0x220 kernel/acct.c:296
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x67/0xd1
RIP: 0033:0x7f8862d51b19
RSP: 002b:00007f88602c7188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a3
RAX: ffffffffffffffda RBX: 00007f8862e64f60 RCX: 00007f8862d51b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f8862dabf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe21558aef R14: 00007f88602c7300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84ff9160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x27b kernel/locking/lockdep.c:6410
1 lock held by in:imklog/202:
1 lock held by syz-executor.6/7951:
 #0: ffffffff8501f008 (acct_on_mutex){+.+.}-{3:3}, at: __do_sys_acct kernel/acct.c:308 [inline]
 #0: ffffffff8501f008 (acct_on_mutex){+.+.}-{3:3}, at: __se_sys_acct kernel/acct.c:296 [inline]
 #0: ffffffff8501f008 (acct_on_mutex){+.+.}-{3:3}, at: __x64_sys_acct+0xa3/0x220 kernel/acct.c:296
1 lock held by syz-executor.4/7972:
 #0: ffffffff8501f008 (acct_on_mutex){+.+.}-{3:3}, at: __do_sys_acct kernel/acct.c:308 [inline]
 #0: ffffffff8501f008 (acct_on_mutex){+.+.}-{3:3}, at: __se_sys_acct kernel/acct.c:296 [inline]
 #0: ffffffff8501f008 (acct_on_mutex){+.+.}-{3:3}, at: __x64_sys_acct+0xa3/0x220 kernel/acct.c:296

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