Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f057bdfa038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f057b175fa0 RCX: 00007f057af85d29 RDX: 000000000100000f RSI: 0000000000b36000 RDI: 0000000020000000 RBP: 00007f057bdfa090 R08: ffffffffffffffff R09: 00000000f867a000 R10: 0000000004008032 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007f057b175fa0 R15: 00007fff717480d8 ------------[ cut here ]------------ kernel BUG at mm/mmap.c:2829! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 726 Comm: syz.2.154 Not tainted 6.1.138-syzkaller-1169882-g6246d345f550 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 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 17 0f 09 00 4c 89 ea e9 e5 f9 ff ff e8 0a b6 c4 ff 0f 0b e8 03 b6 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:ffffc900017afa60 EFLAGS: 00010293 RAX: ffffffff81ab3b0d RBX: 0000000020b36000 RCX: ffff8881161bbcc0 RDX: 0000000000000000 RSI: 0000000020b35fff RDI: 0000000020b36000 RBP: ffffc900017afc50 R08: ffff8881161bbcc0 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000000 R12: 0000000020b36000 R13: 0000000020b35fff R14: dffffc0000000000 R15: ffff88810c477200 FS: 00007f057bdfa6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f65ffff CR3: 000000010dfe5000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_mmap+0x7ae/0xcf0 mm/mmap.c:1474 vm_mmap_pgoff+0x1f5/0x3f0 mm/util.c:525 ksys_mmap_pgoff+0xf6/0x1d0 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: 0033:0x7f057af85d29 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f057bdfa038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f057b175fa0 RCX: 00007f057af85d29 RDX: 000000000100000f RSI: 0000000000b36000 RDI: 0000000020000000 RBP: 00007f057bdfa090 R08: ffffffffffffffff R09: 00000000f867a000 R10: 0000000004008032 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007f057b175fa0 R15: 00007fff717480d8 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 17 0f 09 00 4c 89 ea e9 e5 f9 ff ff e8 0a b6 c4 ff 0f 0b e8 03 b6 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:ffffc900017afa60 EFLAGS: 00010293 RAX: ffffffff81ab3b0d RBX: 0000000020b36000 RCX: ffff8881161bbcc0 RDX: 0000000000000000 RSI: 0000000020b35fff RDI: 0000000020b36000 RBP: ffffc900017afc50 R08: ffff8881161bbcc0 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000000 R12: 0000000020b36000 R13: 0000000020b35fff R14: dffffc0000000000 R15: ffff88810c477200 FS: 00007f057bdfa6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f65ffff CR3: 000000010dfe5000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 0f 1f 40 00 nopl 0x0(%rax) 10: 48 89 f8 mov %rdi,%rax 13: 48 89 f7 mov %rsi,%rdi 16: 48 89 d6 mov %rdx,%rsi 19: 48 89 ca mov %rcx,%rdx 1c: 4d 89 c2 mov %r8,%r10 1f: 4d 89 c8 mov %r9,%r8 22: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 27: 0f 05 syscall * 29: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 2f: 73 01 jae 0x32 31: c3 ret 32: 48 c7 c1 a8 ff ff ff mov $0xffffffffffffffa8,%rcx 39: f7 d8 neg %eax 3b: 64 89 01 mov %eax,%fs:(%rcx) 3e: 48 rex.W