------------[ cut here ]------------
WARNING: CPU: 1 PID: 4419 at include/linux/fs.h:538 i_mmap_assert_write_locked include/linux/fs.h:538 [inline]
WARNING: CPU: 1 PID: 4419 at include/linux/fs.h:538 hugetlb_split+0x237/0x2a0 mm/hugetlb.c:4182
Modules linked in:
CPU: 1 PID: 4419 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:538 [inline]
RIP: 0010:hugetlb_split+0x237/0x2a0 mm/hugetlb.c:4182
Code: bf ff 4c 89 f7 48 89 de 4c 89 fa 31 c9 5b 41 5c 41 5d 41 5e 41 5f 5d eb 7a e8 65 81 bf ff 0f 0b e9 62 fe ff ff e8 59 81 bf ff <0f> 0b e9 2d ff ff ff 48 c7 c1 44 56 6d 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc900032dfb68 EFLAGS: 00010293
RAX: ffffffff81b9a207 RBX: 0000200000000000 RCX: ffff8880798b8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88802c7080bf R09: 1ffff110058e1017
R10: dffffc0000000000 R11: ffffed10058e1018 R12: ffff888071dcc0a0
R13: dffffc0000000000 R14: ffff888071dcc000 R15: ffff888023057840
FS:  0000555568f15500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33f24008 CR3: 0000000071db2000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __vma_adjust+0x2da/0x1e30 mm/mmap.c:843
 vma_adjust include/linux/mm.h:2567 [inline]
 __split_vma+0x346/0x410 mm/mmap.c:-1
 mbind_range+0x5b5/0x9b0 mm/mempolicy.c:823
 do_mbind mm/mempolicy.c:1318 [inline]
 kernel_mbind mm/mempolicy.c:1472 [inline]
 __do_sys_mbind mm/mempolicy.c:1479 [inline]
 __se_sys_mbind+0x51c/0x770 mm/mempolicy.c:1475
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff6b3def559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff218ed0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed
RAX: ffffffffffffffda RBX: 00007ff6b4075fa0 RCX: 00007ff6b3def559
RDX: 0000000000000001 RSI: 0000000000600000 RDI: 0000200000000000
RBP: 00007ff6b3e86b20 R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff6b4075fac R14: 00007ff6b4075fa0 R15: 00007ff6b4075fa0
 </TASK>