mmap: syz.1.3254 (18304) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 18304 at include/linux/fs.h:503 i_mmap_assert_write_locked include/linux/fs.h:503 [inline]
WARNING: CPU: 0 PID: 18304 at include/linux/fs.h:503 hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4920
Modules linked in:
CPU: 0 PID: 18304 Comm: syz.1.3254 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:503 [inline]
RIP: 0010:hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4920
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 38 a8 b4 ff 0f 0b e9 65 fe ff ff e8 2c a8 b4 ff <0f> 0b e9 2d ff ff ff 48 c7 c1 24 0c 20 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90004177568 EFLAGS: 00010283
RAX: ffffffff81cdca84 RBX: 0000200000000000 RCX: 0000000000080000
RDX: ffffc900195f1000 RSI: 00000000000054d5 RDI: 00000000000054d6
RBP: 0000000000000000 R08: ffff8880776f266f R09: 1ffff1100eede4cd
R10: dffffc0000000000 R11: ffffed100eede4ce R12: ffff88801d683c40
R13: dffffc0000000000 R14: ffff88801d683bd0 R15: ffff888028161d38
FS:  00007f0dc78776c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0dc69e9e80 CR3: 0000000057cd2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __vma_adjust+0x4a3/0x1cd0 mm/mmap.c:737
 vma_adjust include/linux/mm.h:2810 [inline]
 __split_vma+0x3a7/0x500 mm/mmap.c:-1
 do_mas_align_munmap+0x397/0x12b0 mm/mmap.c:2480
 do_mas_munmap+0x240/0x2b0 mm/mmap.c:2650
 __mmap_region mm/mmap.c:2698 [inline]
 mmap_region+0x6e0/0x1ca0 mm/mmap.c:2916
 do_mmap+0x964/0xfd0 mm/mmap.c:1436
 __do_sys_remap_file_pages mm/mmap.c:3039 [inline]
 __se_sys_remap_file_pages+0x5b9/0x7b0 mm/mmap.c:2968
 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: 0033:0x7f0dc699c799
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:00007f0dc7877028 EFLAGS: 00000246 ORIG_RAX: 00000000000000d8
RAX: ffffffffffffffda RBX: 00007f0dc6c15fa0 RCX: 00007f0dc699c799
RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000200000800000
RBP: 00007f0dc6a32c99 R08: 0000000000000800 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0dc6c16038 R14: 00007f0dc6c15fa0 R15: 00007ffe9d95a218
 </TASK>