WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] CPU: 0 UID: 0 PID: 5838 Comm: syz-executor129 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:hfsplus_rename_cat+0x3b1/0xde0 fs/hfsplus/catalog.c:480 Code: 0f b7 84 24 40 01 00 00 66 89 44 24 18 48 8b 9c 24 e0 00 00 00 48 8b 44 24 08 4c 8d 70 40 4c 89 f0 48 c1 e8 03 48 89 44 24 40 <42> 80 3c 20 00 74 08 4c 89 f7 e8 00 81 8c ff 4c 89 74 24 48 45 8b RSP: 0018:ffffc90003f8f780 EFLAGS: 00010202 RAX: 0000000000000008 RBX: ffff8881446b6000 RCX: ffff888034908000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003f8fbb0 R08: 0000000006000200 R09: 6d33a5df14000000 R10: 6d33a5df14000000 R11: 6d33a5df6d33a5df R12: dffffc0000000000 R13: 1ffff920007f1efc R14: 0000000000000040 R15: 0000000000000000 FS: 00005555731d6380(0000) GS:ffff888125c57000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005583d5db2a40 CR3: 0000000030fcc000 CR4: 00000000003526f0 Call Trace: hfsplus_link+0x359/0x6a0 fs/hfsplus/dir.c:323 vfs_link+0x4ed/0x6e0 fs/namei.c:4863 do_linkat+0x272/0x560 fs/namei.c:4933 __do_sys_link fs/namei.c:4967 [inline] __se_sys_link fs/namei.c:4965 [inline] __x64_sys_link+0x82/0x90 fs/namei.c:4965 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f34d9f89839 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffed77f7ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f34d9f89839 RDX: 00007f34d9f88bb7 RSI: 0000200000000240 RDI: 00002000000001c0 RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffed77f79a0 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffed77f7cb8 R14: 0000000000000001 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfsplus_rename_cat+0x3b1/0xde0 fs/hfsplus/catalog.c:480 Code: 0f b7 84 24 40 01 00 00 66 89 44 24 18 48 8b 9c 24 e0 00 00 00 48 8b 44 24 08 4c 8d 70 40 4c 89 f0 48 c1 e8 03 48 89 44 24 40 <42> 80 3c 20 00 74 08 4c 89 f7 e8 00 81 8c ff 4c 89 74 24 48 45 8b RSP: 0018:ffffc90003f8f780 EFLAGS: 00010202 RAX: 0000000000000008 RBX: ffff8881446b6000 RCX: ffff888034908000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003f8fbb0 R08: 0000000006000200 R09: 6d33a5df14000000 R10: 6d33a5df14000000 R11: 6d33a5df6d33a5df R12: dffffc0000000000 R13: 1ffff920007f1efc R14: 0000000000000040 R15: 0000000000000000 FS: 00005555731d6380(0000) GS:ffff888125c57000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005583d5db2a40 CR3: 0000000030fcc000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: 0f b7 84 24 40 01 00 movzwl 0x140(%rsp),%eax 7: 00 8: 66 89 44 24 18 mov %ax,0x18(%rsp) d: 48 8b 9c 24 e0 00 00 mov 0xe0(%rsp),%rbx 14: 00 15: 48 8b 44 24 08 mov 0x8(%rsp),%rax 1a: 4c 8d 70 40 lea 0x40(%rax),%r14 1e: 4c 89 f0 mov %r14,%rax 21: 48 c1 e8 03 shr $0x3,%rax 25: 48 89 44 24 40 mov %rax,0x40(%rsp) * 2a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 f7 mov %r14,%rdi 34: e8 00 81 8c ff call 0xff8c8139 39: 4c 89 74 24 48 mov %r14,0x48(%rsp) 3e: 45 rex.RB 3f: 8b .byte 0x8b