loop4: detected capacity change from 0 to 1024 hfsplus: new node 0 already hashed? ------------[ cut here ]------------ 1 WARNING: fs/hfsplus/bnode.c:631 at hfsplus_bnode_create+0x45d/0x4f0 fs/hfsplus/bnode.c:631, CPU#1: syz.4.805/12195 Modules linked in: CPU: 1 UID: 0 PID: 12195 Comm: syz.4.805 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:hfsplus_bnode_create+0x45d/0x4f0 fs/hfsplus/bnode.c:631 Code: 67 8b 89 ee e8 e4 95 84 fe e9 cf fc ff ff e8 ea b7 21 ff 4c 89 f7 e8 32 de 83 08 48 c7 c7 e0 08 67 8b 89 ee e8 c4 95 84 fe 90 <0f> 0b 90 49 c7 c5 ef ff ff ff eb a9 44 89 f9 80 e1 07 80 c1 03 38 RSP: 0018:ffffc90004036c20 EFLAGS: 00010246 RAX: 0000000000000023 RBX: dffffc0000000000 RCX: f646f1f43a406400 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52000806d35 R12: 0000000000000000 R13: ffff888040ac6000 R14: ffff888040ac60d0 R15: ffff8880333ac200 FS: 00007fc817b9e6c0(0000) GS:ffff888126432000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff731419f00 CR3: 0000000064684000 CR4: 00000000003526f0 Call Trace: hfsplus_bmap_alloc+0x747/0xb00 fs/hfsplus/btree.c:421 hfs_btree_inc_height+0x10c/0xb80 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x13f/0xd70 fs/hfsplus/brec.c:75 hfsplus_create_attr_nolock+0x1cb/0x5e0 fs/hfsplus/attributes.c:238 hfsplus_create_attr+0x213/0x3a0 fs/hfsplus/attributes.c:279 __hfsplus_setxattr+0x698/0x29f0 fs/hfsplus/xattr.c:366 hfsplus_initxattrs+0x1ae/0x280 fs/hfsplus/xattr_security.c:59 security_inode_init_security+0x296/0x3d0 security/security.c:1345 hfsplus_fill_super+0x13b0/0x19e0 fs/hfsplus/super.c:612 get_tree_bdev_flags+0x431/0x4f0 fs/super.c:1694 vfs_get_tree+0x92/0x2a0 fs/super.c:1754 fc_mount fs/namespace.c:1193 [inline] do_new_mount_fc fs/namespace.c:3763 [inline] do_new_mount+0x341/0xd30 fs/namespace.c:3839 do_mount fs/namespace.c:4172 [inline] __do_sys_mount fs/namespace.c:4361 [inline] __se_sys_mount+0x31d/0x420 fs/namespace.c:4338 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc81994da8a Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc817b9de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc817b9dee0 RCX: 00007fc81994da8a RDX: 0000200000000100 RSI: 00002000000009c0 RDI: 00007fc817b9dea0 RBP: 0000200000000100 R08: 00007fc817b9dee0 R09: 0000000000010400 R10: 0000000000010400 R11: 0000000000000246 R12: 00002000000009c0 R13: 00007fc817b9dea0 R14: 0000000000000707 R15: 0000200000000000