7fbcab75f000-7fbcab760fff: ffff888033da1140 7fbcab761000-7ffd732e1fff: 0000000000000000 7ffd732e2000-7ffd73302fff: ffff888033da13c0 7ffd73303000-ffffffffffffffff: 0000000000000000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9092 at mm/vma.c:768 vma_merge_existing_range+0x1257/0x15b0 mm/vma.c:768 Modules linked in: CPU: 0 UID: 0 PID: 9092 Comm: syz.4.709 Not tainted 6.15.0-rc4-syzkaller-00189-g2bfcee565c3a #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:vma_merge_existing_range+0x1257/0x15b0 mm/vma.c:768 Code: 0b 90 e9 52 f0 ff ff e8 97 dd ab ff 90 0f 0b 90 e9 87 ef ff ff e8 89 dd ab ff 48 89 df 48 c7 c6 a0 62 76 8b e8 ea ff f2 ff 90 <0f> 0b 90 e9 ff ef ff ff e8 6c dd ab ff e9 04 f1 ff ff e8 62 dd ab RSP: 0018:ffffc90003c07af8 EFLAGS: 00010286 RAX: ffffffff8b4e95fd RBX: ffffc90003c07c40 RCX: ffff888023bb5a00 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff RBP: 0000200000233000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bba4b4 R12: ffff888062fd43c0 R13: 1ffff92000780f8c R14: 0000200000130000 R15: 0000200000130000 FS: 00007fbcab7586c0(0000) GS:ffff8881260cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f11a17de018 CR3: 000000006d193000 CR4: 0000000000350ef0 Call Trace: vma_modify+0x76/0x460 mm/vma.c:1564 vma_modify_flags+0x1e8/0x230 mm/vma.c:1605 mlock_fixup+0x22a/0x360 mm/mlock.c:483 apply_mlockall_flags+0x2f0/0x3c0 mm/mlock.c:736 __ia32_sys_munlockall+0x10a/0x220 mm/mlock.c:782 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbcaa98e969 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:00007fbcab758038 EFLAGS: 00000246 ORIG_RAX: 0000000000000098 RAX: ffffffffffffffda RBX: 00007fbcaabb5fa0 RCX: 00007fbcaa98e969 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fbcab758090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007fbcaabb5fa0 R15: 00007ffd73302468