------------[ cut here ]------------
WARNING: CPU: 0 PID: 4496 at include/linux/fs.h:538 i_mmap_assert_write_locked include/linux/fs.h:538 [inline]
WARNING: CPU: 0 PID: 4496 at include/linux/fs.h:538 hugetlb_split+0x237/0x2a0 mm/hugetlb.c:4166
Modules linked in:
CPU: 0 PID: 4496 Comm: syz.4.30 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:538 [inline]
RIP: 0010:hugetlb_split+0x237/0x2a0 mm/hugetlb.c:4166
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 35 7e bf ff 0f 0b e9 62 fe ff ff e8 29 7e bf ff <0f> 0b e9 2d ff ff ff 48 c7 c1 d4 65 6d 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90004a77b68 EFLAGS: 00010287

RAX: ffffffff81b9af67 RBX: 0000200000000000 RCX: 0000000000080000
RDX: ffffc9000e9eb000 RSI: 00000000000009c4 RDI: 00000000000009c5
RBP: 0000000000000000 R08: ffff888078aa2c3f R09: 1ffff1100f154587
R10: dffffc0000000000 R11: ffffed100f154588 R12: ffff8880753bd1a8
R13: dffffc0000000000 R14: ffff8880753bd108 R15: ffff888024669840
FS:  00007fcc9113d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563a8da585f8 CR3: 000000005f6ab000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace: