[v5.15] INFO: task hung in _vm_unmap_aliases (2)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 700e62ea909a Linux 5.15.224
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=16563d69580000
kernel config: https://syzkaller.appspot.com/x/.config?x=ac990d5ab58b7297
dashboard link: https://syzkaller.appspot.com/bug?extid=de86b2f894e6d3670d5d
compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/2b1c03915da0/disk-700e62ea.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/11dcf7e1a04e/vmlinux-700e62ea.xz
kernel image: https://storage.googleapis.com/syzbot-assets/939ee26cf006/bzImage-700e62ea.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+de86b2...@syzkaller.appspotmail.com

INFO: task dhcpcd:6621 blocked for more than 150 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:27072 pid: 6621 ppid: 3855 flags:0x00004002
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5049 [inline]
__schedule+0x11c3/0x4350 kernel/sched/core.c:6395
schedule+0x11b/0x1e0 kernel/sched/core.c:6478
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6537
__mutex_lock_common+0xdf5/0x2400 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
_vm_unmap_aliases+0x3fb/0x4a0 mm/vmalloc.c:2145
change_page_attr_set_clr+0x317/0xc30 arch/x86/mm/pat/set_memory.c:1740
change_page_attr_clear arch/x86/mm/pat/set_memory.c:1797 [inline]
set_memory_ro+0x89/0xd0 arch/x86/mm/pat/set_memory.c:1943
bpf_jit_binary_lock_ro include/linux/filter.h:919 [inline]
bpf_int_jit_compile+0xbf27/0xc4d0 arch/x86/net/bpf_jit_comp.c:2478
bpf_prog_select_runtime+0x46f/0x7b0 kernel/bpf/core.c:1982
bpf_migrate_filter net/core/filter.c:1307 [inline]
bpf_prepare_filter+0x100e/0x11b0 net/core/filter.c:1355
sk_attach_filter+0x20/0x140 net/core/filter.c:1539
sock_setsockopt+0x18c7/0x2480 net/core/sock.c:1167
__sys_setsockopt+0x2f6/0x3d0 net/socket.c:2209


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