syzbot

RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000200000b15000
RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000b15000
R13: 00007fffe88b3758 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
------------[ cut here ]------------
kernel BUG at mm/mmap.c:2829!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 289 Comm: syz-executor408 Not tainted 6.1.134-syzkaller-00012-g646380b087a5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:__mmap_region mm/mmap.c:2829 [inline]
RIP: 0010:mmap_region+0x1ffd/0x2140 mm/mmap.c:3005
Code: 80 c1 03 38 c1 0f 8c f8 f9 ff ff 4c 89 f7 49 89 d5 e8 67 11 09 00 4c 89 ea e9 e5 f9 ff ff e8 5a be c4 ff 0f 0b e8 53 be c4 ff <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 6a fb ff ff 48 89 df e8
RSP: 0018:ffffc90000eb7a60 EFLAGS: 00010293
RAX: ffffffff81ab287d RBX: 0000200000b18000 RCX: ffff88810e110000
RDX: 0000000000000000 RSI: 0000200000b17fff RDI: 0000200000b18000
RBP: ffffc90000eb7c50 R08: ffff88810e110000 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 0000200000b18000
R13: 0000200000b17fff R14: dffffc0000000000 R15: ffff888121d7b700
FS:  00005555716e3380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 0000000126628000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_mmap+0x7ae/0xcf0 mm/mmap.c:1474
 vm_mmap_pgoff+0x1f5/0x3f0 mm/util.c:525
 ksys_mmap_pgoff+0x161/0x1d0 mm/mmap.c:1520
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:93 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __x64_sys_mmap+0xfa/0x110 arch/x86/kernel/sys_x86_64.c:86
 x64_sys_call+0x8fd/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:10
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f7e5d295329
Code: 48 83 c4 28 c3 e8 17 1a 00 00 0f 1f 80 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffe88b3568 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fffe88b3580 RCX: 00007f7e5d295329
RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000200000b15000
RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000b15000
R13: 00007fffe88b3758 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__mmap_region mm/mmap.c:2829 [inline]
RIP: 0010:mmap_region+0x1ffd/0x2140 mm/mmap.c:3005
Code: 80 c1 03 38 c1 0f 8c f8 f9 ff ff 4c 89 f7 49 89 d5 e8 67 11 09 00 4c 89 ea e9 e5 f9 ff ff e8 5a be c4 ff 0f 0b e8 53 be c4 ff <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 6a fb ff ff 48 89 df e8
RSP: 0018:ffffc90000eb7a60 EFLAGS: 00010293
RAX: ffffffff81ab287d RBX: 0000200000b18000 RCX: ffff88810e110000
RDX: 0000000000000000 RSI: 0000200000b17fff RDI: 0000200000b18000
RBP: ffffc90000eb7c50 R08: ffff88810e110000 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 0000200000b18000
R13: 0000200000b17fff R14: dffffc0000000000 R15: ffff888121d7b700
FS:  00005555716e3380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 0000000126628000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400