------------[ cut here ]------------ WARNING: CPU: 0 PID: 4457 at include/linux/fs.h:503 i_mmap_assert_write_locked include/linux/fs.h:503 [inline] WARNING: CPU: 0 PID: 4457 at include/linux/fs.h:503 hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4923 Modules linked in: CPU: 0 PID: 4457 Comm: syz.0.35 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:503 [inline] RIP: 0010:hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4923 Code: b4 ff 4c 89 f7 48 89 de 4c 89 fa 31 c9 5b 41 5c 41 5d 41 5e 41 5f 5d eb 7d e8 08 7e b4 ff 0f 0b e9 65 fe ff ff e8 fc 7d b4 ff <0f> 0b e9 2d ff ff ff 48 c7 c1 a4 3f 21 8e 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc90004bbfaa8 EFLAGS: 00010287 RAX: ffffffff81cdb024 RBX: 0000200000000000 RCX: 0000000000080000 RDX: ffffc90004f39000 RSI: 000000000000266e RDI: 000000000000266f RBP: 0000000000000000 R08: ffff88807bf5e9ef R09: 1ffff1100f7ebd3d R10: dffffc0000000000 R11: ffffed100f7ebd3e R12: ffff888075f4aec8 R13: dffffc0000000000 R14: ffff888075f4ae58 R15: ffff88807cf83ab8 FS: 00007f8c88b096c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fc23ffc CR3: 000000002e1c0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __vma_adjust+0x553/0x1d00 mm/mmap.c:737 vma_adjust include/linux/mm.h:2810 [inline] __split_vma+0x3a2/0x4f0 mm/mmap.c:-1 mbind_range+0x4f3/0x750 mm/mempolicy.c:829 do_mbind mm/mempolicy.c:1324 [inline] kernel_mbind mm/mempolicy.c:1481 [inline] __do_sys_mbind mm/mempolicy.c:1558 [inline] __se_sys_mbind+0x5f2/0x810 mm/mempolicy.c:1554 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f8c87b9e0d9 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:00007f8c88b09028 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed RAX: ffffffffffffffda RBX: 00007f8c87e25fa0 RCX: 00007f8c87b9e0d9 RDX: 0000000000000001 RSI: 0000000000600000 RDI: 0000200000000000 RBP: 00007f8c87c35024 R08: 0000400000000000 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8c87e26038 R14: 00007f8c87e25fa0 R15: 00007ffeec74f748