R10: 0000000004000812 R11: 0000000000000246 R12: 0000000000000005 R13: 00000000004c0605 R14: 00000000004d0050 R15: 0000000000000005 ion_mmap: failure mapping buffer to userspace kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN CPU: 0 PID: 5996 Comm: syz-executor5 Not tainted 4.18.0-rc4+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:_vm_normal_page+0x183/0x2f0 mm/memory.c:828 Code: c1 e9 03 80 3c 11 00 0f 85 14 01 00 00 4d 8b bc 24 90 00 00 00 48 ba 00 00 00 00 00 fc ff df 49 8d 7f 70 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 39 01 00 00 49 8b 57 70 48 85 d2 75 61 48 ba 00 RSP: 0018:ffff8801c0fef170 EFLAGS: 00010202 RAX: 0000000000046500 RBX: 1ffff100381fde30 RCX: 000000000000000e RDX: dffffc0000000000 RSI: 0000000020ffd000 RDI: 0000000000000070 RBP: ffff8801c0fef208 R08: ffffed0037fa8017 R09: ffffed0037fa8016 R10: ffffed0037fa8016 R11: ffff8801bfd400b3 R12: ffff8801cf622148 R13: ffff8801c0fef1e0 R14: 0000000046500320 R15: 0000000000000000 FS: 00007fe5eb892700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e8704 CR3: 00000001bbb7f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: zap_pte_range mm/memory.c:1312 [inline] zap_pmd_range mm/memory.c:1443 [inline] zap_pud_range mm/memory.c:1472 [inline] zap_p4d_range mm/memory.c:1493 [inline] unmap_page_range+0x824/0x2010 mm/memory.c:1514 unmap_single_vma+0x121/0x300 mm/memory.c:1559 unmap_vmas+0xe2/0x190 mm/memory.c:1589 unmap_region+0x318/0x530 mm/mmap.c:2583 mmap_region+0x11a2/0x1af0 mm/mmap.c:1840 do_mmap+0x886/0x1590 mm/mmap.c:1540 do_mmap_pgoff include/linux/mm.h:2290 [inline] vm_mmap_pgoff+0x1d7/0x2c0 mm/util.c:357 ksys_mmap_pgoff+0x424/0x7a0 mm/mmap.c:1590 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x183/0x700 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455f79 Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fe5eb891c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fe5eb8926d4 RCX: 0000000000455f79 RDX: 0000000000000000 RSI: 0000000000003060 RDI: 0000000020ffd000 RBP: 000000000072bea0 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000004000812 R11: 0000000000000246 R12: 0000000000000005 R13: 00000000004c0605 R14: 00000000004d0050 R15: 0000000000000005 Modules linked in: ---[ end trace 2a02935cf4fe66ee ]--- RIP: 0010:_vm_normal_page+0x183/0x2f0 mm/memory.c:828 Code: c1 e9 03 80 3c 11 00 0f 85 14 01 00 00 4d 8b bc 24 90 00 00 00 48 ba 00 00 00 00 00 fc ff df 49 8d 7f 70 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 39 01 00 00 49 8b 57 70 48 85 d2 75 61 48 ba 00 RSP: 0018:ffff8801c0fef170 EFLAGS: 00010202 RAX: 0000000000046500 RBX: 1ffff100381fde30 RCX: 000000000000000e RDX: dffffc0000000000 RSI: 0000000020ffd000 RDI: 0000000000000070 RBP: ffff8801c0fef208 R08: ffffed0037fa8017 R09: ffffed0037fa8016 R10: ffffed0037fa8016 R11: ffff8801bfd400b3 R12: ffff8801cf622148 R13: ffff8801c0fef1e0 R14: 0000000046500320 R15: 0000000000000000 FS: 00007fe5eb892700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e8704 CR3: 00000001bbb7f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400