flags: 0x8100077(read|write|exec|mayread|maywrite|mayexec|account|softdirty)
------------[ cut here ]------------
kernel BUG at include/linux/rmap.h:159!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 17938 Comm: syz-executor.1 Not tainted 5.4.0-rc2-next-20191008 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:anon_vma_merge include/linux/rmap.h:159 [inline]
RIP: 0010:__vma_adjust+0x151c/0x1cc0 mm/mmap.c:921
Code: 4c 89 ee 4c 89 f7 e8 b3 01 d2 ff 4d 39 ee 0f 82 1b fe ff ff 45 31 ed e9 1b fe ff ff e8 7d 00 d2 ff 48 8b 7d c8 e8 76 62 fc ff <0f> 0b e8 6d 00 d2 ff 48 8b 85 68 ff ff ff 80 38 00 0f 85 20 07 00
RSP: 0018:ffff88805f12f9c0 EFLAGS: 00010286
RAX: 0000000000000147 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815cb676 RDI: ffffed100be25f12
RBP: ffff88805f12fa88 R08: 0000000000000147 R09: ffffed1015d06161
R10: ffffed1015d06160 R11: ffff8880ae830b07 R12: ffff8880a96d0960
R13: ffff888093fa19b0 R14: 0000000000000000 R15: 0000000000000001
FS:  00007f1162e55700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 00000000a1b74000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vma_merge+0xb8a/0xe60 mm/mmap.c:1169
 mmap_region+0x3e0/0x1760 mm/mmap.c:1741
 do_mmap+0x853/0x1190 mm/mmap.c:1552
 do_mmap_pgoff include/linux/mm.h:2361 [inline]
 vm_mmap_pgoff+0x1c5/0x230 mm/util.c:510
 ksys_mmap_pgoff+0xf7/0x630 mm/mmap.c:1604
 __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+0xfa/0x760 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459a59
Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f1162e54c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459a59
RDX: ffffffffefffffff RSI: 0000000000004000 RDI: 0000000020196000
RBP: 000000000075bf20 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008032 R11: 0000000000000246 R12: 00007f1162e556d4
R13: 00000000004c6174 R14: 00000000004db118 R15: 00000000ffffffff
Modules linked in:
---[ end trace 2d50a79f148624a9 ]---
RIP: 0010:anon_vma_merge include/linux/rmap.h:159 [inline]
RIP: 0010:__vma_adjust+0x151c/0x1cc0 mm/mmap.c:921
Code: 4c 89 ee 4c 89 f7 e8 b3 01 d2 ff 4d 39 ee 0f 82 1b fe ff ff 45 31 ed e9 1b fe ff ff e8 7d 00 d2 ff 48 8b 7d c8 e8 76 62 fc ff <0f> 0b e8 6d 00 d2 ff 48 8b 85 68 ff ff ff 80 38 00 0f 85 20 07 00
RSP: 0018:ffff88805f12f9c0 EFLAGS: 00010286
RAX: 0000000000000147 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815cb676 RDI: ffffed100be25f12
RBP: ffff88805f12fa88 R08: 0000000000000147 R09: ffffed1015d06161
R10: ffffed1015d06160 R11: ffff8880ae830b07 R12: ffff8880a96d0960
R13: ffff888093fa19b0 R14: 0000000000000000 R15: 0000000000000001
FS:  00007f1162e55700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc9a383fe0 CR3: 00000000a1b74000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400