RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf5659aa22 RDX: 0000000000000000 RSI: 0000000008000000 RDI: 0000000000000000 RBP: 0000000000000022 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000000022 R11: 0000000000000246 R12: 0000000004000000 R13: 0000000000001000 R14: 0000000000000022 R15: 00007fdf5664e748 ------------[ cut here ]------------ kernel BUG at mm/mmap.c:2854! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3264 Comm: syz.1.935 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 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 11 2f 09 00 4c 89 ea e9 ee f9 ff ff e8 84 01 c4 ff 0f 0b e8 7d 01 c4 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:ffffc90004c5fa40 EFLAGS: 00010293 RAX: ffffffff81ad4843 RBX: 00007fdf54ff8000 RCX: ffff888109278000 RDX: 0000000000000000 RSI: 00007fdf54ff7fff RDI: 00007fdf54ff8000 RBP: ffffc90004c5fc30 R08: ffff888109278000 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000000 R12: 1ffff9200098bf60 R13: 0000000000000070 R14: 00007fdf54ff8000 R15: 00007fdf54ff7fff FS: 00007fdf573746c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000005000 CR3: 00000001258a6000 CR4: 00000000003506b0 Call Trace: 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:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fdf5659aa22 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:00007fdf57372d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf5659aa22 RDX: 0000000000000000 RSI: 0000000008000000 RDI: 0000000000000000 RBP: 0000000000000022 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000000022 R11: 0000000000000246 R12: 0000000004000000 R13: 0000000000001000 R14: 0000000000000022 R15: 00007fdf5664e748 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 11 2f 09 00 4c 89 ea e9 ee f9 ff ff e8 84 01 c4 ff 0f 0b e8 7d 01 c4 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:ffffc90004c5fa40 EFLAGS: 00010293 RAX: ffffffff81ad4843 RBX: 00007fdf54ff8000 RCX: ffff888109278000 RDX: 0000000000000000 RSI: 00007fdf54ff7fff RDI: 00007fdf54ff8000 RBP: ffffc90004c5fc30 R08: ffff888109278000 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000000 R12: 1ffff9200098bf60 R13: 0000000000000070 R14: 00007fdf54ff8000 R15: 00007fdf54ff7fff FS: 00007fdf573746c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000005000 CR3: 00000001258a6000 CR4: 00000000003506b0