------------[ cut here ]------------ WARNING: CPU: 1 PID: 5719 at mm/memory.c:1539 zap_present_ptes mm/memory.c:1539 [inline] WARNING: CPU: 1 PID: 5719 at mm/memory.c:1539 zap_pte_range mm/memory.c:1603 [inline] WARNING: CPU: 1 PID: 5719 at mm/memory.c:1539 zap_pmd_range mm/memory.c:1720 [inline] WARNING: CPU: 1 PID: 5719 at mm/memory.c:1539 zap_pud_range mm/memory.c:1749 [inline] WARNING: CPU: 1 PID: 5719 at mm/memory.c:1539 zap_p4d_range mm/memory.c:1770 [inline] WARNING: CPU: 1 PID: 5719 at mm/memory.c:1539 unmap_page_range+0x2a40/0x3be0 mm/memory.c:1791 Modules linked in: CPU: 1 PID: 5719 Comm: syz-executor.2 Not tainted 6.9.0-rc1-syzkaller-00005-g928a87efa423 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:zap_present_ptes mm/memory.c:1539 [inline] RIP: 0010:zap_pte_range mm/memory.c:1603 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1720 [inline] RIP: 0010:zap_pud_range mm/memory.c:1749 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1770 [inline] RIP: 0010:unmap_page_range+0x2a40/0x3be0 mm/memory.c:1791 Code: e8 65 af 16 00 e9 23 e4 ff ff e8 fb 2e ba ff 48 8b bc 24 c0 00 00 00 4c 89 ee e8 9b bb 21 00 e9 77 fb ff ff e8 e1 2e ba ff 90 <0f> 0b 90 e9 93 f6 ff ff e8 d3 2e ba ff 48 8b bc 24 c0 00 00 00 48 RSP: 0018:ffffc900075074b8 EFLAGS: 00010287 RAX: 0000000000009bf0 RBX: ffff88801cdbb900 RCX: ffffc9000c001000 RDX: 0000000000040000 RSI: ffffffff81d3e6af RDI: 0000000000000007 RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000003 R12: 000000002008e000 R13: 000000002008ffff R14: dffffc0000000000 R15: ffff88805535e468 FS: 0000000000000000(0000) GS:ffff88802c300000(0063) knlGS:00000000f5f17b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000031925000 CR3: 0000000052dbc000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unmap_single_vma+0x194/0x2b0 mm/memory.c:1837 unmap_vmas+0x22f/0x490 mm/memory.c:1881 unmap_region+0x1f3/0x420 mm/mmap.c:2310 do_vmi_align_munmap+0x11b3/0x1ad0 mm/mmap.c:2628 do_vmi_munmap+0x20b/0x450 mm/mmap.c:2696 mmap_region+0x175/0x2760 mm/mmap.c:2747 do_mmap+0x8ae/0xf10 mm/mmap.c:1385 vm_mmap_pgoff+0x1ab/0x3c0 mm/util.c:573 ksys_mmap_pgoff+0x425/0x5b0 mm/mmap.c:1431 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x7a/0x120 arch/x86/entry/common.c:321 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:346 entry_SYSENTER_compat_after_hwframe+0x7a/0x84 RIP: 0023:0xf731d579 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:00000000f5f175ac EFLAGS: 00000292 ORIG_RAX: 00000000000000c0 RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 0000000000b36000 RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 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