start_brk 55eab3ea3000 brk 55eab4095000 start_stack 7ffcf9327d50
arg_start 7ffcf9329e89 arg_end 7ffcf9329ea4 env_start 7ffcf9329ea4 env_end 7ffcf9329fdd
binfmt ffffffff8c1284c0 flags cd core_state 0000000000000000
ioctx_table 0000000000000000
------------[ cut here ]------------
kernel BUG at mm/mmap.c:431!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8450 Comm: systemd-udevd Not tainted 5.12.0-rc8-next-20210423-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:validate_mm+0x622/0x810 mm/mmap.c:431
Code: 14 c0 c9 ff 44 89 e6 bf ff ff ff ff e8 b7 c7 c9 ff 41 83 fc ff 0f 85 44 6e 29 07 e8 f8 bf c9 ff 48 8b 7c 24 18 e8 fe 12 fc ff <0f> 0b e8 e7 bf c9 ff 48 8b 54 24 28 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc9000c007d88 EFLAGS: 00010286
RAX: 000000000000038a RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff88801ca1b900 RSI: ffffffff815cebe5 RDI: fffff52001800f50
RBP: 000000000000004e R08: 000000000000038a R09: 0000000000000000
R10: ffffffff815c8a2e R11: 0000000000000000 R12: 000000000000004e
R13: 00007ffcf9355000 R14: 0000000000000000 R15: 00007ffcf9357000
FS:  00007fc8efd8f8c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe588afb4d8 CR3: 00000000263f1000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 remove_vma_list mm/mmap.c:2661 [inline]
 __do_munmap+0x8a5/0x11a0 mm/mmap.c:2914
 __vm_munmap+0x101/0x230 mm/mmap.c:2934
 __do_sys_munmap mm/mmap.c:2960 [inline]
 __se_sys_munmap mm/mmap.c:2956 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2956
 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc8eec0a6e7
Code: c7 c0 ff ff ff ff eb 8d 48 8b 15 ac 47 2b 00 f7 d8 64 89 02 e9 5b ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 47 2b 00 f7 d8 64 89 01 48
RSP: 002b:00007ffcf9326f08 EFLAGS: 00000206 ORIG_RAX: 000000000000000b
RAX: ffffffffffffffda RBX: 000055eab3ea3100 RCX: 00007fc8eec0a6e7
RDX: 0000000000000080 RSI: 000000000080ccec RDI: 00007fc8eda98000
RBP: 000055eab24fcd18 R08: 000055eab3eb7ed0 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000206 R12: 000055eab3ea30e0
R13: 0000000000000000 R14: 0000000000000003 R15: 000000000000000e
Modules linked in:
---[ end trace e479f27dae0801f1 ]---
RIP: 0010:validate_mm+0x622/0x810 mm/mmap.c:431
Code: 14 c0 c9 ff 44 89 e6 bf ff ff ff ff e8 b7 c7 c9 ff 41 83 fc ff 0f 85 44 6e 29 07 e8 f8 bf c9 ff 48 8b 7c 24 18 e8 fe 12 fc ff <0f> 0b e8 e7 bf c9 ff 48 8b 54 24 28 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc9000c007d88 EFLAGS: 00010286
RAX: 000000000000038a RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff88801ca1b900 RSI: ffffffff815cebe5 RDI: fffff52001800f50
RBP: 000000000000004e R08: 000000000000038a R09: 0000000000000000
R10: ffffffff815c8a2e R11: 0000000000000000 R12: 000000000000004e
R13: 00007ffcf9355000 R14: 0000000000000000 R15: 00007ffcf9357000
FS:  00007fc8efd8f8c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe588afb4d8 CR3: 00000000263f1000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400