netdevsim netdevsim1 netdevsim0: unset [1, 0] type 2 family 0 port 6081 - 0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4755 at include/linux/fs.h:503 i_mmap_assert_write_locked include/linux/fs.h:503 [inline] WARNING: CPU: 1 PID: 4755 at include/linux/fs.h:503 hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4917 Modules linked in: CPU: 1 PID: 4755 Comm: syz.1.100 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:ffffc9000586f6a8 EFLAGS: 00010287 RAX: ffffffff81ccd294 RBX: 0000200000800000 RCX: 0000000000080000 RDX: ffffc900102b8000 RSI: 0000000000001a86 RDI: 0000000000001a87 RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100ec603de R10: ffffed100ec603de R11: 1ffff1100ec603dd R12: ffff88807e05a808 R13: dffffc0000000000 R14: ffff88807e05a798 R15: ffff88802f7f7338 FS: 00007f27d2a3c6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c40a813 CR3: 0000000055e97000 CR4: 00000000003506e0 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 do_mas_align_munmap+0x351/0x1220 mm/mmap.c:2476 do_mas_munmap+0x240/0x2b0 mm/mmap.c:2646 do_munmap+0xd2/0x120 mm/mmap.c:2660 mremap_to+0x321/0x5d0 mm/mremap.c:820 __do_sys_mremap mm/mremap.c:972 [inline] __se_sys_mremap+0x603/0x10f0 mm/mremap.c:889 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: 0033:0x7f27d1b8e929 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:00007f27d2a3c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 RAX: ffffffffffffffda RBX: 00007f27d1db6160 RCX: 00007f27d1b8e929 RDX: 0000000000200000 RSI: 0000000000600000 RDI: 0000200000000000 RBP: 00007f27d1c10b39 R08: 0000200000a00000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f27d1db6160 R15: 00007fffc49c9a08