Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f515dbcc028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f515d015fa0 RCX: 00007f515cd9c819 RDX: 000000000000000f RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007f515dbcc090 R08: ffffffffffffffff R09: 000000001c5ed000 R10: 0000000004008032 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f515d016038 R14: 00007f515d015fa0 R15: 00007ffdc28e6588 ------------[ cut here ]------------ kernel BUG at mm/mmap.c:2854! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 558 Comm: syz.1.71 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:__mmap_region mm/mmap.c:2854 [inline] RIP: 0010:mmap_region+0x2098/0x21f0 mm/mmap.c:3030 Code: 80 c1 03 38 c1 0f 8c 01 fa ff ff 4c 89 ff 49 89 d5 e8 4c 41 09 00 4c 89 ea e9 ee f9 ff ff e8 0f e4 c3 ff 0f 0b e8 08 e4 c3 ff <0f> 0b 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e1 e6 ff ff 4c 89 e7 RSP: 0018:ffffc90010157a40 EFLAGS: 00010293 RAX: ffffffff81ad8af8 RBX: 0000200000b36000 RCX: ffff88811d7fd100 RDX: 0000000000000000 RSI: 0000200000b35fff RDI: 0000200000b36000 RBP: ffffc90010157c30 R08: ffff88811d7fd100 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000000 R12: 1ffff9200202af60 R13: 0000000000100077 R14: 0000200000b36000 R15: 0000200000b35fff FS: 00007f515dbcc6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f515cde9f00 CR3: 000000011e28c000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f515cd9c819 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f515dbcc028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f515d015fa0 RCX: 00007f515cd9c819 RDX: 000000000000000f RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007f515dbcc090 R08: ffffffffffffffff R09: 000000001c5ed000 R10: 0000000004008032 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f515d016038 R14: 00007f515d015fa0 R15: 00007ffdc28e6588 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__mmap_region mm/mmap.c:2854 [inline] RIP: 0010:mmap_region+0x2098/0x21f0 mm/mmap.c:3030 Code: 80 c1 03 38 c1 0f 8c 01 fa ff ff 4c 89 ff 49 89 d5 e8 4c 41 09 00 4c 89 ea e9 ee f9 ff ff e8 0f e4 c3 ff 0f 0b e8 08 e4 c3 ff <0f> 0b 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e1 e6 ff ff 4c 89 e7 RSP: 0018:ffffc90010157a40 EFLAGS: 00010293 RAX: ffffffff81ad8af8 RBX: 0000200000b36000 RCX: ffff88811d7fd100 RDX: 0000000000000000 RSI: 0000200000b35fff RDI: 0000200000b36000 RBP: ffffc90010157c30 R08: ffff88811d7fd100 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000000 R12: 1ffff9200202af60 R13: 0000000000100077 R14: 0000200000b36000 R15: 0000200000b35fff FS: 00007f515dbcc6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2d65fe92f8 CR3: 000000011e28c000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 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 44 00 00 nopl 0x0(%rax,%rax,1) 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 e8 ff ff ff mov $0xffffffffffffffe8,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W