------------[ cut here ]------------ kernel BUG at mm/mmap.c:2815! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7758 Comm: syz-executor.4 Not tainted 6.1.43-syzkaller-00019-g1b639e97b8fc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:mmap_region+0x225e/0x2390 mm/mmap.c:2815 Code: 03 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 1e fc ff ff 48 89 df e8 03 62 09 00 e9 11 fc ff ff e8 19 d9 c2 ff 0f 0b e8 12 d9 c2 ff <0f> 0b 65 8b 05 11 f4 4f 7e 41 89 c6 4c 89 f0 48 c1 e8 06 48 8d 3c RSP: 0018:ffffc9000b397a40 EFLAGS: 00010287 RAX: ffffffff81b21d3e RBX: 0000000020ffffff RCX: 0000000000040000 RDX: ffffc90004f83000 RSI: 000000000000e623 RDI: 000000000000e624 RBP: ffffc9000b397c50 R08: ffffffff81b20981 R09: ffffffff84ec5cd3 R10: 0000000000000003 R11: ffff88815469bcc0 R12: ffffc9000b397ba8 R13: dffffc0000000000 R14: 0000000020ffc000 R15: 0000000021000000 FS: 00007fab27d796c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555650e818 CR3: 0000000137324000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_mmap+0x853/0xe30 mm/mmap.c:1459 vm_mmap_pgoff+0x208/0x430 mm/util.c:525 ksys_mmap_pgoff+0xed/0x1e0 mm/mmap.c:1505 __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+0x103/0x120 arch/x86/kernel/sys_x86_64.c:86 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab2707cae9 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:00007fab27d790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fab2719bf80 RCX: 00007fab2707cae9 RDX: 0000000000000000 RSI: 0000000000004000 RDI: 0000000020ffc000 RBP: 00007fab27d79120 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000021032 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007fab2719bf80 R15: 00007ffe7b490c68 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:mmap_region+0x225e/0x2390 mm/mmap.c:2815 Code: 03 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 1e fc ff ff 48 89 df e8 03 62 09 00 e9 11 fc ff ff e8 19 d9 c2 ff 0f 0b e8 12 d9 c2 ff <0f> 0b 65 8b 05 11 f4 4f 7e 41 89 c6 4c 89 f0 48 c1 e8 06 48 8d 3c RSP: 0018:ffffc9000b397a40 EFLAGS: 00010287 RAX: ffffffff81b21d3e RBX: 0000000020ffffff RCX: 0000000000040000 RDX: ffffc90004f83000 RSI: 000000000000e623 RDI: 000000000000e624 RBP: ffffc9000b397c50 R08: ffffffff81b20981 R09: ffffffff84ec5cd3 R10: 0000000000000003 R11: ffff88815469bcc0 R12: ffffc9000b397ba8 R13: dffffc0000000000 R14: 0000000020ffc000 R15: 0000000021000000 FS: 00007fab27d796c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ee21000 CR3: 0000000137324000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400