FAT-fs (loop3): Unrecognized mount option "subj_role=(*-/!()}'@*+" or missing value
INFO: task syz-executor.1:3995 blocked for more than 143 seconds.
      Not tainted 5.10.49 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:27952 pid: 3995 ppid:   405 flags:0x00000000
Call Trace:
 context_switch kernel/sched/core.c:3776 [inline]
 __schedule+0x83f/0x1e70 kernel/sched/core.c:4525
 schedule+0xcb/0x270 kernel/sched/core.c:4603
 rwsem_down_read_slowpath+0x2ad/0xb90 kernel/locking/rwsem.c:1099
 __down_read kernel/locking/rwsem.c:1341 [inline]
 down_read+0x1f1/0x420 kernel/locking/rwsem.c:1506
 mmap_read_lock include/linux/mmap_lock.h:46 [inline]
 exit_mm kernel/exit.c:450 [inline]
 do_exit+0x702/0x2780 kernel/exit.c:798
 do_group_exit+0x125/0x310 kernel/exit.c:908
 __do_sys_exit_group kernel/exit.c:919 [inline]
 __se_sys_exit_group kernel/exit.c:917 [inline]
 __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:917
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x466609
RSP: 002b:00007fff68cb7718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000466609
RDX: 00000000004193eb RSI: ffffffffffffffbc RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000571ed8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007fff68cb7810
INFO: task syz-executor.1:4001 blocked for more than 143 seconds.
      Not tainted 5.10.49 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:27952 pid: 4001 ppid:   405 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:3776 [inline]
 __schedule+0x83f/0x1e70 kernel/sched/core.c:4525
 schedule+0xcb/0x270 kernel/sched/core.c:4603
 rwsem_down_read_slowpath+0x2ad/0xb90 kernel/locking/rwsem.c:1099
 __down_read kernel/locking/rwsem.c:1341 [inline]
 down_read+0x1f1/0x420 kernel/locking/rwsem.c:1506
 mmap_read_lock include/linux/mmap_lock.h:46 [inline]
 exit_mm kernel/exit.c:450 [inline]
 do_exit+0x702/0x2780 kernel/exit.c:798
 do_group_exit+0x125/0x310 kernel/exit.c:908
 get_signal+0x469/0x2200 kernel/signal.c:2758
 arch_do_signal+0x88/0x1a90 arch/x86/kernel/signal.c:789
 exit_to_user_mode_loop kernel/entry/common.c:161 [inline]
 exit_to_user_mode_prepare+0xf7/0x160 kernel/entry/common.c:191
 syscall_exit_to_user_mode+0x38/0x230 kernel/entry/common.c:266
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x466609
RSP: 002b:00007f142a148218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000056bf88 RCX: 0000000000466609
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056bf88
RBP: 000000000056bf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf8c
R13: 00007fff68cb74ef R14: 00007f142a148300 R15: 0000000000022000
INFO: task syz-executor.1:4012 blocked for more than 143 seconds.
      Not tainted 5.10.49 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:27952 pid: 4012 ppid:   405 flags:0x00000004
Call Trace:
 context_switch kernel/sched/core.c:3776 [inline]
 __schedule+0x83f/0x1e70 kernel/sched/core.c:4525
 schedule+0xcb/0x270 kernel/sched/core.c:4603
 rwsem_down_read_slowpath+0x2ad/0xb90 kernel/locking/rwsem.c:1099
 __down_read kernel/locking/rwsem.c:1341 [inline]
 down_read+0x1f1/0x420 kernel/locking/rwsem.c:1506
 mmap_read_lock include/linux/mmap_lock.h:46 [inline]
 do_user_addr_fault+0x98e/0xc30 arch/x86/mm/fault.c:1330
 handle_page_fault arch/x86/mm/fault.c:1436 [inline]
 exc_page_fault+0xa2/0x1a0 arch/x86/mm/fault.c:1492
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:580
RIP: 0033:0x46661b
RSP: 002b:00007f142a127188 EFLAGS: 00010213
RAX: 0000000000000016 RBX: 000000000056c038 RCX: ffffffffffffffbc
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020001280
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c038
R13: 00007fff68cb74ef R14: 00007f142a127300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84df64a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6263
1 lock held by in:imklog/202:
 #0: ffff88800ed5f270 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930
1 lock held by syz-executor.1/3995:
 #0: ffff8880452ba428 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:46 [inline]
 #0: ffff8880452ba428 (&mm->mmap_lock#2){++++}-{3:3}, at: exit_mm kernel/exit.c:450 [inline]
 #0: ffff8880452ba428 (&mm->mmap_lock#2){++++}-{3:3}, at: do_exit+0x702/0x2780 kernel/exit.c:798
1 lock held by syz-executor.1/4001:
 #0: ffff8880452ba428 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:46 [inline]
 #0: ffff8880452ba428 (&mm->mmap_lock#2){++++}-{3:3}, at: exit_mm kernel/exit.c:450 [inline]
 #0: ffff8880452ba428 (&mm->mmap_lock#2){++++}-{3:3}, at: do_exit+0x702/0x2780 kernel/exit.c:798
1 lock held by syz-executor.1/4012:
 #0: ffff8880452ba428 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:46 [inline]
 #0: ffff8880452ba428 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x98e/0xc30 arch/x86/mm/fault.c:1330
1 lock held by syz-executor.1/4032:

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