loop3: detected capacity change from 0 to 1024 hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: fs/hfsplus/bnode.c:631 at hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:631, CPU#1: syz.3.5153/28262 Modules linked in: CPU: 1 UID: 0 PID: 28262 Comm: syz.3.5153 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:631 Code: 82 8b 89 ee e8 80 4a 87 fe e9 cf fc ff ff e8 e6 57 21 ff 4c 89 ef e8 be 3e be 08 48 c7 c7 c0 85 82 8b 89 ee e8 60 4a 87 fe 90 <0f> 0b 90 eb b0 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c d6 fb ff ff RSP: 0018:ffffc900045bef80 EFLAGS: 00010246 RAX: 0000000000000023 RBX: ffff888077786000 RCX: fe828ce2b6aadd00 RDX: ffffc9002232b000 RSI: 0000000000004e70 RDI: 0000000000004e71 RBP: 0000000000000000 R08: ffffc900045beca7 R09: 1ffff920008b7d94 R10: dffffc0000000000 R11: fffff520008b7d95 R12: 0000000000000000 R13: ffff8880777860e0 R14: ffff888028390400 R15: dffffc0000000000 FS: 00007fb4992aa6c0(0000) GS:ffff888125f31000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000000c0 CR3: 000000004d3a6000 CR4: 00000000003526f0 Call Trace: hfsplus_bmap_alloc+0x746/0xaf0 fs/hfsplus/btree.c:421 hfs_bnode_split+0xcc/0x1080 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x3b6/0xd70 fs/hfsplus/brec.c:100 hfsplus_create_cat+0x3b1/0x10d0 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0x120e/0x1930 fs/hfsplus/super.c:601 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691 vfs_get_tree+0x92/0x2a0 fs/super.c:1751 fc_mount fs/namespace.c:1199 [inline] do_new_mount_fc fs/namespace.c:3636 [inline] do_new_mount+0x302/0xa10 fs/namespace.c:3712 do_mount fs/namespace.c:4035 [inline] __do_sys_mount fs/namespace.c:4224 [inline] __se_sys_mount+0x313/0x410 fs/namespace.c:4201 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb498390eea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb4992a9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fb4992a9ef0 RCX: 00007fb498390eea RDX: 0000200000000040 RSI: 0000200000000c40 RDI: 00007fb4992a9eb0 RBP: 0000200000000040 R08: 00007fb4992a9ef0 R09: 0000000000000010 R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000000c40 R13: 00007fb4992a9eb0 R14: 00000000000006ea R15: 0000200000000500