syzbot

INFO: task syz-executor.1:6195 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc2-syzkaller-00010-g2ab795141095 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:22584 pid:6195  tgid:6193  ppid:5117   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 ni_lock fs/ntfs3/ntfs_fs.h:1123 [inline]
 ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:730
 filemap_read_folio+0x1a2/0x790 mm/filemap.c:2355
 filemap_fault+0xf69/0x1760 mm/filemap.c:3405
 __do_fault+0x137/0x460 mm/memory.c:4562
 do_read_fault mm/memory.c:4926 [inline]
 do_fault mm/memory.c:5056 [inline]
 do_pte_missing mm/memory.c:3903 [inline]
 handle_pte_fault+0x3d8d/0x7130 mm/memory.c:5380
 __handle_mm_fault mm/memory.c:5523 [inline]
 handle_mm_fault+0x10df/0x1ba0 mm/memory.c:5688
 do_user_addr_fault arch/x86/mm/fault.c:1389 [inline]
 handle_page_fault arch/x86/mm/fault.c:1481 [inline]
 exc_page_fault+0x2b9/0x8c0 arch/x86/mm/fault.c:1539
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:copy_user_generic arch/x86/include/asm/uaccess_64.h:110 [inline]
RIP: 0010:raw_copy_from_user arch/x86/include/asm/uaccess_64.h:125 [inline]
RIP: 0010:_copy_from_user+0x87/0xe0 lib/usercopy.c:28
Code: e0 4c 01 f8 78 6c 4c 39 e0 72 67 e8 53 bc e6 fc 0f ae e8 4c 89 f7 44 89 fe e8 e5 7e 4c fd 0f 01 cb 4c 89 f9 4c 89 e6 4c 89 f7 <f3> a4 0f 1f 00 48 89 cb 0f 01 ca 31 ff 48 89 de e8 04 c1 e6 fc 48
RSP: 0018:ffffc900049df898 EFLAGS: 00050256
RAX: ffffffff84af5a01 RBX: 00000000200045f8 RCX: 0000000000000038
RDX: 0000000000000001 RSI: 00000000200045c0 RDI: ffffc900049df920
RBP: ffffc900049df9d0 R08: ffffc900049df957 R09: 1ffff9200093bf2a
R10: dffffc0000000000 R11: fffff5200093bf2b R12: 00000000200045c0
R13: dffffc0000000000 R14: ffffc900049df920 R15: 0000000000000038
 copy_from_user include/linux/uaccess.h:183 [inline]
 copy_msghdr_from_user+0xae/0x680 net/socket.c:2515
 sendmsg_copy_msghdr net/socket.c:2616 [inline]
 ___sys_sendmsg net/socket.c:2635 [inline]
 __sys_sendmmsg+0x374/0x740 net/socket.c:2725