RSP: 002b:00007ffa7018bd08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffa6f39ac22
RDX: 0000000000000000 RSI: 0000000008000000 RDI: 0000000000000000
RBP: 0000000000000022 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000000022 R11: 0000000000000246 R12: 0000000004000000
R13: 0000000000001000 R14: 0000000000000022 R15: 00007ffa6f44a967
 </TASK>
------------[ cut here ]------------
kernel BUG at mm/mmap.c:2854!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5482 Comm: syz.2.1593 Tainted: G        W          syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:__mmap_region mm/mmap.c:2854 [inline]
RIP: 0010:mmap_region+0x2093/0x21e0 mm/mmap.c:3030
Code: 80 c1 03 38 c1 0f 8c 01 fa ff ff 4c 89 ff 49 89 d5 e8 91 2e 09 00 4c 89 ea e9 ee f9 ff ff e8 e4 ff c3 ff 0f 0b e8 dd ff c3 ff <0f> 0b 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e6 e6 ff ff 4c 89 e7
RSP: 0018:ffffc90008047a40 EFLAGS: 00010293
RAX: ffffffff81ad6c33 RBX: 00007ffa6ddf8000 RCX: ffff888110c93cc0
RDX: 0000000000000000 RSI: 00007ffa6ddf7fff RDI: 00007ffa6ddf8000
RBP: ffffc90008047c30 R08: ffff888110c93cc0 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 1ffff92001008f60
R13: 0000000000000070 R14: 00007ffa6ddf8000 R15: 00007ffa6ddf7fff
FS:  00007ffa7018d6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f97b4817dac CR3: 00000001162b1000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 do_mmap+0x856/0xdd0 mm/mmap.c:1491
 vm_mmap_pgoff+0x224/0x410 mm/util.c:525
 ksys_mmap_pgoff+0xf6/0x1d0 mm/mmap.c:1537
 __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:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ffa6f39ac22
Code: 4f 01 00 0f 1f 44 00 00 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 3b 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 6e 5b 5d c3 0f 1f 00 48 c7 c0 e8 ff ff ff 64
RSP: 002b:00007ffa7018bd08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffa6f39ac22
RDX: 0000000000000000 RSI: 0000000008000000 RDI: 0000000000000000
RBP: 0000000000000022 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000000022 R11: 0000000000000246 R12: 0000000004000000
R13: 0000000000001000 R14: 0000000000000022 R15: 00007ffa6f44a967
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__mmap_region mm/mmap.c:2854 [inline]
RIP: 0010:mmap_region+0x2093/0x21e0 mm/mmap.c:3030
Code: 80 c1 03 38 c1 0f 8c 01 fa ff ff 4c 89 ff 49 89 d5 e8 91 2e 09 00 4c 89 ea e9 ee f9 ff ff e8 e4 ff c3 ff 0f 0b e8 dd ff c3 ff <0f> 0b 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e6 e6 ff ff 4c 89 e7
RSP: 0018:ffffc90008047a40 EFLAGS: 00010293
RAX: ffffffff81ad6c33 RBX: 00007ffa6ddf8000 RCX: ffff888110c93cc0
RDX: 0000000000000000 RSI: 00007ffa6ddf7fff RDI: 00007ffa6ddf8000
RBP: ffffc90008047c30 R08: ffff888110c93cc0 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 1ffff92001008f60
R13: 0000000000000070 R14: 00007ffa6ddf8000 R15: 00007ffa6ddf7fff
FS:  00007ffa7018d6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f97b4817dac CR3: 00000001162b1000 CR4: 00000000003526b0