loop4: detected capacity change from 0 to 1024 hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8986 at fs/hfsplus/bnode.c:671 hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:671 Modules linked in: CPU: 1 UID: 0 PID: 8986 Comm: syz.4.205 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:671 Code: 21 8b 89 ee e8 f0 55 99 fe e9 cf fc ff ff e8 06 75 30 ff 4c 89 ef e8 3e 48 6b 08 48 c7 c7 c0 46 21 8b 89 ee e8 d0 55 99 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:ffffc90004677540 EFLAGS: 00010246 RAX: 0000000000000023 RBX: ffff8880343e8000 RCX: 948e5754dbe44500 RDX: ffffc9000dd6b000 RSI: 00000000000054ce RDI: 00000000000054cf RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff520008cee4d R12: 0000000000000000 R13: ffff8880343e80d0 R14: ffff8880345b2c00 R15: dffffc0000000000 FS: 00007f6d8c0866c0(0000) GS:ffff8881269bc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558a69ab2000 CR3: 000000004f8fa000 CR4: 00000000003526f0 Call Trace: hfsplus_bmap_alloc+0x5af/0x640 fs/hfsplus/btree.c:415 hfs_bnode_split+0xcc/0xef0 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x38f/0xcc0 fs/hfsplus/brec.c:100 hfsplus_create_cat+0x9fc/0x1020 fs/hfsplus/catalog.c:308 hfsplus_symlink+0x133/0x260 fs/hfsplus/dir.c:453 vfs_symlink+0x140/0x2f0 fs/namei.c:4730 do_symlinkat+0x1b1/0x3f0 fs/namei.c:4756 __do_sys_symlink fs/namei.c:4777 [inline] __se_sys_symlink fs/namei.c:4775 [inline] __x64_sys_symlink+0x7a/0x90 fs/namei.c:4775 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: 0033:0x7f6d8de1eba9 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:00007f6d8c086038 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 00007f6d8e065fa0 RCX: 00007f6d8de1eba9 RDX: 0000000000000000 RSI: 00002000000007c0 RDI: 00002000000008c0 RBP: 00007f6d8dea1e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6d8e066038 R14: 00007f6d8e065fa0 R15: 00007fff3b221668