------------[ cut here ]------------ WARNING: CPU: 1 PID: 15451 at mm/memory.c:1520 zap_pte_range mm/memory.c:1520 [inline] WARNING: CPU: 1 PID: 15451 at mm/memory.c:1520 zap_pmd_range mm/memory.c:1582 [inline] WARNING: CPU: 1 PID: 15451 at mm/memory.c:1520 zap_pud_range mm/memory.c:1611 [inline] WARNING: CPU: 1 PID: 15451 at mm/memory.c:1520 zap_p4d_range mm/memory.c:1632 [inline] WARNING: CPU: 1 PID: 15451 at mm/memory.c:1520 unmap_page_range+0x1693/0x2b50 mm/memory.c:1653 Modules linked in: CPU: 1 PID: 15451 Comm: syz-executor.3 Not tainted 6.7.0-rc4-syzkaller-00039-g9ace34a8e446 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:zap_pte_range mm/memory.c:1520 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1582 [inline] RIP: 0010:zap_pud_range mm/memory.c:1611 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1632 [inline] RIP: 0010:unmap_page_range+0x1693/0x2b50 mm/memory.c:1653 Code: 8e a3 12 00 00 48 8b 44 24 30 31 ff 0f b6 58 08 89 de e8 b0 b4 be ff 84 db 0f 85 07 f4 ff ff e9 89 f4 ff ff e8 6e b9 be ff 90 <0f> 0b 90 e9 f4 f3 ff ff e8 60 b9 be ff 48 83 44 24 10 08 e9 1b f7 RSP: 0018:ffffc900054876c0 EFLAGS: 00010287 RAX: 0000000000007c2d RBX: 0000000000000007 RCX: ffffc9000a92c000 RDX: 0000000000040000 RSI: ffffffff81c8d0d2 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000002 R12: 0000000000000000 R13: ffff888018b9f018 R14: dffffc0000000000 R15: 0000000000000004 FS: 0000000000000000(0000) GS:ffff8880b9900000(0063) knlGS:00000000f7fe1b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000032522000 CR3: 000000007c2f4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unmap_single_vma+0x194/0x2b0 mm/memory.c:1699 unmap_vmas+0x229/0x470 mm/memory.c:1743 unmap_region.constprop.0+0x1f3/0x3b0 mm/mmap.c:2336 do_vmi_align_munmap+0xde6/0x1600 mm/mmap.c:2657 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2725 __vm_munmap+0x144/0x390 mm/mmap.c:3012 __do_sys_munmap mm/mmap.c:3029 [inline] __se_sys_munmap mm/mmap.c:3026 [inline] __ia32_sys_munmap+0x60/0x80 mm/mmap.c:3026 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x62/0xe0 arch/x86/entry/common.c:321 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346 entry_SYSENTER_compat_after_hwframe+0x70/0x7a RIP: 0023:0xf7fe6579 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 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7fe15ac EFLAGS: 00000292 ORIG_RAX: 000000000000005b RAX: ffffffffffffffda RBX: 0000000020003000 RCX: 0000000000001000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 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: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi