IPVS: ftp: loaded support on port[0] = 21 syz-executor (3711) used greatest stack depth: 10968 bytes left IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 WARNING: CPU: 1 PID: 4481 at fs/inode.c:285 drop_nlink+0x23/0x30 fs/inode.c:289 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 4481 Comm: syz.3.15 Not tainted 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x89/0xba lib/dump_stack.c:113 panic+0xef/0x24e kernel/panic.c:184 __warn.cold.7+0x31/0x37 kernel/panic.c:536 report_bug+0xb6/0xe0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0xfe/0x180 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 RIP: 0010:drop_nlink+0x23/0x30 fs/inode.c:285 Code: eb cb 0f 1f 44 00 00 8b 47 48 55 48 89 e5 85 c0 74 18 8d 50 ff 85 d2 89 57 48 75 0c 48 8b 47 28 f0 48 ff 80 70 07 00 00 5d c3 <0f> 0b c7 47 48 ff ff ff ff 5d c3 66 90 55 b8 01 00 00 00 48 89 e5 RSP: 0018:ffffc90001e07de8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff880132808198 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000005 RDI: ffff880132808198 RBP: ffffc90001e07de8 R08: 0000000000000000 R09: 00000000e7e1b681 R10: ffffffff84224560 R11: 0000000000000000 R12: 0000000000000000 R13: ffff880132606000 R14: 0000000000000014 R15: ffff880132599218 hfsplus_unlink+0x170/0x1d0 fs/hfsplus/dir.c:381 vfs_unlink+0x118/0x1c0 fs/namei.c:4000 do_unlinkat+0x219/0x2e0 fs/namei.c:4063 __do_sys_unlink fs/namei.c:4110 [inline] __se_sys_unlink fs/namei.c:4108 [inline] __x64_sys_unlink+0x1a/0x20 fs/namei.c:4108 do_syscall_64+0x69/0x180 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fd20fa29759 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd20f4aa038 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 00007fd20fbe0f80 RCX: 00007fd20fa29759 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0 RBP: 00007fd20fa9c75e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd20fbe0f80 R15: 00007ffe96b718d8 Kernel Offset: disabled Rebooting in 86400 seconds..