------------[ cut here ]------------ WARNING: CPU: 0 PID: 8456 at include/linux/fs.h:503 i_mmap_assert_write_locked include/linux/fs.h:503 [inline] WARNING: CPU: 0 PID: 8456 at include/linux/fs.h:503 hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4917 Modules linked in: CPU: 0 PID: 8456 Comm: syz.1.780 Not tainted 6.1.142-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:503 [inline] RIP: 0010:hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4917 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 f8 04 b4 ff 0f 0b e9 65 fe ff ff e8 ec 04 b4 ff <0f> 0b e9 2d ff ff ff 48 c7 c1 e4 c1 fe 8d 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc900061679a8 EFLAGS: 00010287 RAX: ffffffff81ccd294 RBX: 0000200000400000 RCX: 0000000000080000 RDX: ffffc90005bc9000 RSI: 00000000000008e0 RDI: 00000000000008e1 RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100325e88e R10: ffffed100325e88e R11: 1ffff1100325e88d R12: ffff88807e5f7580 R13: dffffc0000000000 R14: ffff88807e5f7510 R15: ffff88802e1efab8 FS: 00007f784e8ca6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000bbdffc CR3: 000000004ad55000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __vma_adjust+0x46b/0x1c50 mm/mmap.c:736 vma_adjust include/linux/mm.h:2745 [inline] __split_vma+0x3a7/0x500 mm/mmap.c:-1 mprotect_fixup+0x597/0x7f0 mm/mprotect.c:623 do_mprotect_pkey+0x754/0xa40 mm/mprotect.c:792 __do_sys_mprotect mm/mprotect.c:819 [inline] __se_sys_mprotect mm/mprotect.c:816 [inline] __x64_sys_mprotect+0x7c/0x90 mm/mprotect.c:816 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f784d98e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f784e8ca038 EFLAGS: 00000246 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 00007f784dbb5fa0 RCX: 00007f784d98e929 RDX: 0000000000000005 RSI: 0000000000800000 RDI: 0000200000000000 RBP: 00007f784da10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f784dbb5fa0 R15: 00007ffe308d7498