Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbe95f5c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fbe9539bf80 RCX: 00007fbe9527cae9 RDX: 0000000000000000 RSI: 0000000000001002 RDI: 0000000020ffe000 RBP: 00007fbe95f5c120 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000032 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007fbe9539bf80 R15: 00007ffef31d5cf8 ------------[ cut here ]------------ kernel BUG at mm/mmap.c:2849! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 366 Comm: syz-executor.0 Not tainted 6.1.145-syzkaller-1169991-g831a57b4a783 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__mmap_region mm/mmap.c:2849 [inline] RIP: 0010:mmap_region+0x1ffd/0x2140 mm/mmap.c:3025 Code: 80 c1 03 38 c1 0f 8c f8 f9 ff ff 4c 89 f7 49 89 d5 e8 97 14 09 00 4c 89 ea e9 e5 f9 ff ff e8 7a b0 c4 ff 0f 0b e8 73 b0 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:ffffc900014b7a60 EFLAGS: 00010293 RAX: ffffffff81ab59ad RBX: 0000000021000000 RCX: ffff888112ed3cc0 RDX: 0000000000000000 RSI: 0000000020ffffff RDI: 0000000021000000 RBP: ffffc900014b7c50 R08: ffff888112ed3cc0 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000000 R12: 0000000021000000 R13: 0000000020ffffff R14: dffffc0000000000 R15: ffff888121cb1400 FS: 00007fbe95f5c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbe9537afe0 CR3: 000000010cb3c000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_mmap+0x7ae/0xcf0 mm/mmap.c:1486 vm_mmap_pgoff+0x1f5/0x3f0 mm/util.c:525 ksys_mmap_pgoff+0xf6/0x1d0 mm/mmap.c:1532 __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: 0033:0x7fbe9527cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbe95f5c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fbe9539bf80 RCX: 00007fbe9527cae9 RDX: 0000000000000000 RSI: 0000000000001002 RDI: 0000000020ffe000 RBP: 00007fbe95f5c120 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000032 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007fbe9539bf80 R15: 00007ffef31d5cf8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__mmap_region mm/mmap.c:2849 [inline] RIP: 0010:mmap_region+0x1ffd/0x2140 mm/mmap.c:3025 Code: 80 c1 03 38 c1 0f 8c f8 f9 ff ff 4c 89 f7 49 89 d5 e8 97 14 09 00 4c 89 ea e9 e5 f9 ff ff e8 7a b0 c4 ff 0f 0b e8 73 b0 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:ffffc900014b7a60 EFLAGS: 00010293 RAX: ffffffff81ab59ad RBX: 0000000021000000 RCX: ffff888112ed3cc0 RDX: 0000000000000000 RSI: 0000000020ffffff RDI: 0000000021000000 RBP: ffffc900014b7c50 R08: ffff888112ed3cc0 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000000 R12: 0000000021000000 R13: 0000000020ffffff R14: dffffc0000000000 R15: ffff888121cb1400 FS: 00007fbe95f5c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbe9537afe0 CR3: 000000010cb3c000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 28 00 sub %al,(%rax) 2: 00 00 add %al,(%rax) 4: 75 05 jne 0xb 6: 48 83 c4 28 add $0x28,%rsp a: c3 ret b: e8 e1 20 00 00 call 0x20f1 10: 90 nop 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 c7 c1 b0 ff ff ff mov $0xffffffffffffffb0,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W