f7f6b000-ffe2cfff: 0000000000000000 ffe2d000-ffe4dfff: ffff88802a9707c0 ffe4e000-ffffffffffffffff: 0000000000000000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7463 at mm/vma.c:734 vma_merge_existing_range+0x11ca/0x1770 mm/vma.c:734 Modules linked in: CPU: 0 UID: 0 PID: 7463 Comm: syz.3.438 Not tainted 6.14.0-syzkaller-07422-gacb4f33713b9 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:vma_merge_existing_range+0x11ca/0x1770 mm/vma.c:734 Code: 48 c7 c6 20 31 56 8c e8 d4 48 f2 ff 90 0f 0b 90 e9 fd f0 ff ff e8 c6 da a6 ff 4c 89 f7 48 c7 c6 a0 31 56 8c e8 b7 48 f2 ff 90 <0f> 0b 90 e9 61 f1 ff ff e8 a9 da a6 ff e9 7b f2 ff ff e8 9f da a6 RSP: 0018:ffffc90004487a00 EFLAGS: 00010282 RAX: ffffffff8c1d3d15 RBX: 0000000080000000 RCX: ffff88802732bc00 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff RBP: ffffc90004487b50 R08: ffffffff8c1d3c10 R09: 1ffff92000890ea8 R10: dffffc0000000000 R11: fffff52000890ea9 R12: 0000000080800000 R13: 0000000080000000 R14: ffffc90004487c00 R15: ffff888033de79b0 FS: 0000000000000000(0000) GS:ffff888124ff1000(0063) knlGS:00000000f5096b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000c47ccf9 CR3: 00000000271a4000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vma_modify+0x76/0x390 mm/vma.c:1517 vma_modify_flags+0x3a7/0x430 mm/vma.c:1551 mlock_fixup+0x21d/0x350 mm/mlock.c:481 apply_mlockall_flags+0x309/0x410 mm/mlock.c:734 __do_sys_munlockall+0x10a/0x220 mm/mlock.c:780 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xb4/0x110 arch/x86/entry/syscall_32.c:306 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf740d579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f509655c EFLAGS: 00000206 ORIG_RAX: 0000000000000099 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 90 nop 33: 90 nop 34: 90 nop 35: 90 nop 36: 90 nop 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop