general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f] CPU: 0 PID: 301 Comm: syz-executor316 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:vfs_rename+0x10a/0xf60 fs/namei.c:4421 Code: c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 ae d6 f4 ff 48 8b 03 48 89 44 24 48 4c 89 74 24 58 4d 8d 6e 30 4c 89 eb 48 c1 eb 03 <42> 80 3c 3b 00 74 08 4c 89 ef e8 87 d6 f4 ff 49 8b 4d 00 4c 89 64 RSP: 0018:ffffc90000b57c40 EFLAGS: 00010203 RAX: ffff88811c6f2880 RBX: 0000000000000007 RCX: 0000000000000000 RDX: ffff88811ff26400 RSI: 0000000000400000 RDI: 0000000000200000 RBP: ffffc90000b57d90 R08: ffffc90000b57e30 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed102121c8d8 R12: ffff88811c6f0d80 R13: 000000000000003f R14: 000000000000000f R15: dffffc0000000000 FS: 00007f0024b186c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000008000 CR3: 00000001057f4000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_renameat2+0x729/0xe50 fs/namei.c:4669 __do_sys_rename fs/namei.c:4720 [inline] __se_sys_rename fs/namei.c:4718 [inline] __x64_sys_rename+0x86/0x90 fs/namei.c:4718 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f0024b79279 Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0024b18218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f0024c2eb88 RCX: 00007f0024b79279 RDX: 00007f0024b691fe RSI: 00002000000068c0 RDI: 0000200000006880 RBP: 00007f0024c2eb80 R08: 00007f0024b186c0 R09: 33203a6b63617473 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0024bfa0dc R13: 0000200000006900 R14: 00007fff1401e460 R15: 00007fff1401e548 Modules linked in: ---[ end trace f3260883f13a4c85 ]--- RIP: 0010:vfs_rename+0x10a/0xf60 fs/namei.c:4421 Code: c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 ae d6 f4 ff 48 8b 03 48 89 44 24 48 4c 89 74 24 58 4d 8d 6e 30 4c 89 eb 48 c1 eb 03 <42> 80 3c 3b 00 74 08 4c 89 ef e8 87 d6 f4 ff 49 8b 4d 00 4c 89 64 RSP: 0018:ffffc90000b57c40 EFLAGS: 00010203 RAX: ffff88811c6f2880 RBX: 0000000000000007 RCX: 0000000000000000 RDX: ffff88811ff26400 RSI: 0000000000400000 RDI: 0000000000200000 RBP: ffffc90000b57d90 R08: ffffc90000b57e30 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed102121c8d8 R12: ffff88811c6f0d80 R13: 000000000000003f R14: 000000000000000f R15: dffffc0000000000 FS: 00007f0024b186c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056058b5b4308 CR3: 00000001057f4000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c1 e8 03 shr $0x3,%eax 3: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) 8: 74 08 je 0x12 a: 48 89 df mov %rbx,%rdi d: e8 ae d6 f4 ff call 0xfff4d6c0 12: 48 8b 03 mov (%rbx),%rax 15: 48 89 44 24 48 mov %rax,0x48(%rsp) 1a: 4c 89 74 24 58 mov %r14,0x58(%rsp) 1f: 4d 8d 6e 30 lea 0x30(%r14),%r13 23: 4c 89 eb mov %r13,%rbx 26: 48 c1 eb 03 shr $0x3,%rbx * 2a: 42 80 3c 3b 00 cmpb $0x0,(%rbx,%r15,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 ef mov %r13,%rdi 34: e8 87 d6 f4 ff call 0xfff4d6c0 39: 49 8b 4d 00 mov 0x0(%r13),%rcx 3d: 4c rex.WR 3e: 89 .byte 0x89 3f: 64 fs