general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] CPU: 0 PID: 358 Comm: syz-executor.0 Not tainted 6.1.75-syzkaller-1150954-g56ba301cac0b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:vfs_rename+0x1a8/0xf90 fs/namei.c:4769 Code: c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 00 6e f3 ff 48 8b 03 48 89 44 24 58 4c 89 6c 24 18 4d 8d 75 30 4d 89 f5 49 c1 ed 03 <43> 80 7c 3d 00 00 74 08 4c 89 f7 e8 d8 6d f3 ff 49 8b 06 48 89 44 RSP: 0018:ffffc90002e7fae0 EFLAGS: 00010202 RAX: ffff88810f300440 RBX: ffff88811f60c690 RCX: ffffc90002e7fe80 RDX: ffff88810fd8d100 RSI: 0000000000200000 RDI: 0000000000200000 RBP: ffffc90002e7fc30 R08: ffffffff81c8afe1 R09: fffff520005cff69 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810bd85980 R13: 0000000000000008 R14: 0000000000000042 R15: dffffc0000000000 FS: 00007ff6f939c6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff6f93bcfa8 CR3: 0000000124ec0000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_renameat2+0xa9b/0x1400 fs/namei.c:5014 __do_sys_rename fs/namei.c:5060 [inline] __se_sys_rename fs/namei.c:5058 [inline] __x64_sys_rename+0x86/0x90 fs/namei.c:5058 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff6f987dda9 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:00007ff6f939c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007ff6f99ac1f0 RCX: 00007ff6f987dda9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000100 RBP: 00007ff6f98ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007ff6f99ac1f0 R15: 00007ffed67a9738 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:vfs_rename+0x1a8/0xf90 fs/namei.c:4769 Code: c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 00 6e f3 ff 48 8b 03 48 89 44 24 58 4c 89 6c 24 18 4d 8d 75 30 4d 89 f5 49 c1 ed 03 <43> 80 7c 3d 00 00 74 08 4c 89 f7 e8 d8 6d f3 ff 49 8b 06 48 89 44 RSP: 0018:ffffc90002e7fae0 EFLAGS: 00010202 RAX: ffff88810f300440 RBX: ffff88811f60c690 RCX: ffffc90002e7fe80 RDX: ffff88810fd8d100 RSI: 0000000000200000 RDI: 0000000000200000 RBP: ffffc90002e7fc30 R08: ffffffff81c8afe1 R09: fffff520005cff69 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810bd85980 R13: 0000000000000008 R14: 0000000000000042 R15: dffffc0000000000 FS: 00007ff6f939c6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff6f93bcfa8 CR3: 0000000124ec0000 CR4: 00000000003506b0 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 00 6e f3 ff call 0xfff36e12 12: 48 8b 03 mov (%rbx),%rax 15: 48 89 44 24 58 mov %rax,0x58(%rsp) 1a: 4c 89 6c 24 18 mov %r13,0x18(%rsp) 1f: 4d 8d 75 30 lea 0x30(%r13),%r14 23: 4d 89 f5 mov %r14,%r13 26: 49 c1 ed 03 shr $0x3,%r13 * 2a: 43 80 7c 3d 00 00 cmpb $0x0,0x0(%r13,%r15,1) <-- trapping instruction 30: 74 08 je 0x3a 32: 4c 89 f7 mov %r14,%rdi 35: e8 d8 6d f3 ff call 0xfff36e12 3a: 49 8b 06 mov (%r14),%rax 3d: 48 rex.W 3e: 89 .byte 0x89 3f: 44 rex.R