start_brk 1c1b000 brk 1c3d000 start_stack 7fff986495f0
arg_start 7fff98649ea0 arg_end 7fff98649eb5 env_start 7fff98649eb5 env_end 7fff98649fe3
binfmt ffffffff89cdcca0 flags 200cd core_state 0000000000000000
ioctx_table 0000000000000000
owner ffff888054a2c4c0 exe_file ffff8880901e9000
------------[ cut here ]------------
kernel BUG at mm/mmap.c:427!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 27059 Comm: syz-executor.3 Not tainted 5.9.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:validate_mm+0x617/0x800 mm/mmap.c:427
Code: 2f fc cd ff 44 89 e6 bf ff ff ff ff e8 a2 f8 cd ff 41 83 fc ff 0f 85 86 1b 01 00 e8 13 fc cd ff 48 8b 7c 24 18 e8 f9 59 fc ff <0f> 0b e8 02 fc cd ff 48 8b 54 24 28 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90016d47ba8 EFLAGS: 00010282
RAX: 000000000000036d RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815db9a7 RDI: fffff52002da8f14
RBP: 0000000000000023 R08: 000000000000036d R09: ffff8880ae620f8b
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000023
R13: 00007fff98785000 R14: 0000000000000000 R15: 00007fff98787000
FS:  00007f5e46790700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc63a8ee9c0 CR3: 0000000061086000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 remove_vma_list mm/mmap.c:2616 [inline]
 __do_munmap+0x899/0x1170 mm/mmap.c:2869
 do_munmap mm/mmap.c:2877 [inline]
 mmap_region+0x257/0x1780 mm/mmap.c:1716
 do_mmap+0xcf9/0x11d0 mm/mmap.c:1545
 vm_mmap_pgoff+0x195/0x200 mm/util.c:506
 ksys_mmap_pgoff+0x43a/0x560 mm/mmap.c:1596
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: 5d b4 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f5e4678fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000020d00 RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020ffc000
RBP: 000000000118cf98 R08: 0000000000000008 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007fff98648f4f R14: 00007f5e467909c0 R15: 000000000118cf4c
Modules linked in:
---[ end trace c54fafdbf9b8e122 ]---
RIP: 0010:validate_mm+0x617/0x800 mm/mmap.c:427
Code: 2f fc cd ff 44 89 e6 bf ff ff ff ff e8 a2 f8 cd ff 41 83 fc ff 0f 85 86 1b 01 00 e8 13 fc cd ff 48 8b 7c 24 18 e8 f9 59 fc ff <0f> 0b e8 02 fc cd ff 48 8b 54 24 28 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90016d47ba8 EFLAGS: 00010282
RAX: 000000000000036d RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815db9a7 RDI: fffff52002da8f14
RBP: 0000000000000023 R08: 000000000000036d R09: ffff8880ae620f8b
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000023
R13: 00007fff98785000 R14: 0000000000000000 R15: 00007fff98787000
FS:  00007f5e46790700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc63a8ee9c0 CR3: 0000000061086000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400