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kernel BUG at mm/mmap.c:2854!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2669 Comm: syz.8.573 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__mmap_region mm/mmap.c:2854 [inline]
RIP: 0010:mmap_region+0x1fe8/0x2130 mm/mmap.c:3030
Code: 50 80 e1 07 80 c1 03 38 c1 0f 8c e1 f9 ff ff 48 8b 7c 24 50 e8 69 46 09 00 e9 d2 f9 ff ff e8 ef ba c3 ff 0f 0b e8 e8 ba c3 ff <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 66 e7 ff ff 48 89 df e8
RSP: 0018:ffffc90005367a40 EFLAGS: 00010293
RAX: ffffffff81adab58 RBX: 00007ff4cc9d7000 RCX: ffff88810e2cd100
RDX: 0000000000000000 RSI: 00007ff4cc9d6fff RDI: 00007ff4cc9d7000
RBP: ffffc90005367c30 R08: ffff88810e2cd100 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 00007ff4cc9d6fff
R13: 00007ff4cc9d7000 R14: dffffc0000000000 R15: 00007ff4cc9b6000
FS:  0000555560d59500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f35bb1f6ff8 CR3: 0000000124816000 CR4: 00000000003506a0
Call Trace:
 <TASK>
 do_mmap+0x858/0xdd0 mm/mmap.c:1491
 vm_mmap_pgoff+0x206/0x3f0 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: 0033:0x7ff4cdf9de42
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:00007ffdd6c9c358 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff4cdf9de42
RDX: 0000000000000000 RSI: 0000000000021000 RDI: 0000000000000000
RBP: 0000000000020022 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000020022 R11: 0000000000000246 R12: 00007ffdd6c9c4c0
R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__mmap_region mm/mmap.c:2854 [inline]
RIP: 0010:mmap_region+0x1fe8/0x2130 mm/mmap.c:3030
Code: 50 80 e1 07 80 c1 03 38 c1 0f 8c e1 f9 ff ff 48 8b 7c 24 50 e8 69 46 09 00 e9 d2 f9 ff ff e8 ef ba c3 ff 0f 0b e8 e8 ba c3 ff <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 66 e7 ff ff 48 89 df e8
RSP: 0018:ffffc90005367a40 EFLAGS: 00010293
RAX: ffffffff81adab58 RBX: 00007ff4cc9d7000 RCX: ffff88810e2cd100
RDX: 0000000000000000 RSI: 00007ff4cc9d6fff RDI: 00007ff4cc9d7000
RBP: ffffc90005367c30 R08: ffff88810e2cd100 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 00007ff4cc9d6fff
R13: 00007ff4cc9d7000 R14: dffffc0000000000 R15: 00007ff4cc9b6000
FS:  0000555560d59500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f35bc9ef2f8 CR3: 0000000124816000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400