------------[ cut here ]------------ WARNING: CPU: 0 PID: 5952 at include/linux/fs.h:532 i_mmap_assert_write_locked include/linux/fs.h:532 [inline] WARNING: CPU: 0 PID: 5952 at include/linux/fs.h:532 hugetlb_split+0x237/0x2a0 mm/hugetlb.c:4182 Modules linked in: CPU: 1 PID: 5952 Comm: syz.0.330 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:532 [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 f5 b3 bf ff 0f 0b e9 62 fe ff ff e8 e9 b3 bf ff <0f> 0b e9 2d ff ff ff 48 c7 c1 84 8a 89 8d 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc9000377fb50 EFLAGS: 00010283 RAX: ffffffff81b95c67 RBX: 0000200000000000 RCX: 0000000000080000 RDX: ffffc900060b1000 RSI: 0000000000000e31 RDI: 0000000000000e32 RBP: 0000000000000000 R08: ffff8880748f0ebf R09: 1ffff1100e91e1d7 R10: dffffc0000000000 R11: ffffed100e91e1d8 R12: ffff88807e71dbf8 R13: dffffc0000000000 R14: ffff88807e71db58 R15: ffff88801fc3dac0 FS: 00007f943611e6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000bd038 CR3: 000000002320e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __vma_adjust+0x2b6/0x1c10 mm/mmap.c:843 vma_adjust include/linux/mm.h:2567 [inline] __split_vma+0x34b/0x410 mm/mmap.c:-1 mbind_range+0x593/0x990 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: 0033:0x7f9437ee3cb9 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:00007f943611e028 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed RAX: ffffffffffffffda RBX: 00007f943815f090 RCX: 00007f9437ee3cb9 RDX: 0000000000000001 RSI: 0000000000600000 RDI: 0000200000000000 RBP: 00007f9437f51bf7 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f943815f128 R14: 00007f943815f090 R15: 00007ffc6a413ff8