syzbot

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WARNING: CPU: 1 PID: 3538 at mm/mmap.c:1027 vma_merge+0x9a5/0xa30
Modules linked in:
CPU: 1 PID: 3538 Comm: syz-executor288 Not tainted 6.1.27-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:vma_merge+0x9a5/0xa30 mm/mmap.c:1027
Code: ff e8 0f 51 bb ff 0f 0b e9 ba fa ff ff e8 03 51 bb ff 0f 0b e9 60 f8 ff ff e8 f7 50 bb ff 0f 0b e9 f6 f9 ff ff e8 eb 50 bb ff <0f> 0b e9 3e fa ff ff e8 df 50 bb ff 0f 0b e9 e4 fb ff ff 48 c7 c1
RSP: 0018:ffffc90003bcfb20 EFLAGS: 00010293
RAX: ffffffff81ce77d5 RBX: 0000000021000000 RCX: ffff888020303a80
RDX: 0000000000000000 RSI: 0000000021000000 RDI: 0000000020a97000
RBP: ffffc90003bcfc10 R08: ffffffff81ce720c R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff888075a14000
R13: 0000000020a97000 R14: 0000000020ffd000 R15: ffff88802777d438
FS:  0000555555d9c300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 0000000078ef6000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 mbind_range+0x3dc/0x790 mm/mempolicy.c:809
 do_mbind mm/mempolicy.c:1322 [inline]
 kernel_mbind mm/mempolicy.c:1479 [inline]
 __do_sys_mbind mm/mempolicy.c:1554 [inline]
 __se_sys_mbind+0x792/0xac0 mm/mempolicy.c:1550
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fab3bf78ff9
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe8a0e1668 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fab3bf78ff9
RDX: 0000000000000000 RSI: 0000000000c00000 RDI: 0000000020400000
RBP: 00007fab3bf3cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fab3bf3d070
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>