loop0: detected capacity change from 0 to 1024
------------[ cut here ]------------
kernel BUG at fs/hfsplus/bnode.c:729!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5131 Comm: syz-executor.0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:hfsplus_bnode_put+0x537/0x540 fs/hfsplus/bnode.c:729
Code: dd 91 ff e9 b2 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f0 fe ff ff 48 89 df e8 83 dc 91 ff e9 e3 fe ff ff e8 59 76 4d ff <0f> 0b e8 52 76 4d ff 0f 0b 55 41 57 41 56 41 54 53 89 f3 49 89 fe
RSP: 0018:ffffc900030cf528 EFLAGS: 00010293
RAX: ffffffff822a5457 RBX: ffff888024be7900 RCX: ffff888029b08000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100497cf31
R10: ffffed100497cf31 R11: 1ffff1100497cf30 R12: ffff888024be7980
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88807327e000
FS:  00007fcc68f3c6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcc60b9bd58 CR3: 00000000253b0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x58a/0x640 fs/hfsplus/btree.c:413
 hfs_bnode_split+0xc9/0xee0 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x38b/0xcc0 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0x9dc/0x1020 fs/hfsplus/catalog.c:308
 hfsplus_mknod+0x166/0x280 fs/hfsplus/dir.c:494
 vfs_create+0x2db/0x460 fs/namei.c:3162
 do_mknodat+0x39d/0x620 fs/namei.c:3994
 __do_sys_mknodat fs/namei.c:4022 [inline]
 __se_sys_mknodat fs/namei.c:4019 [inline]
 __x64_sys_mknodat+0xa5/0xc0 fs/namei.c:4019
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fcc69bbab29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcc68f3c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
RAX: ffffffffffffffda RBX: 00007fcc69cd9f80 RCX: 00007fcc69bbab29
RDX: 0000000000000000 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fcc69c0647a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000103 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fcc69cd9f80 R15: 00007fff4f05ba28
 </TASK>
Modules linked in:
---[ end trace 64141a38e7bca5dd ]---
RIP: 0010:hfsplus_bnode_put+0x537/0x540 fs/hfsplus/bnode.c:729
Code: dd 91 ff e9 b2 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f0 fe ff ff 48 89 df e8 83 dc 91 ff e9 e3 fe ff ff e8 59 76 4d ff <0f> 0b e8 52 76 4d ff 0f 0b 55 41 57 41 56 41 54 53 89 f3 49 89 fe
RSP: 0018:ffffc900030cf528 EFLAGS: 00010293
RAX: ffffffff822a5457 RBX: ffff888024be7900 RCX: ffff888029b08000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100497cf31
R10: ffffed100497cf31 R11: 1ffff1100497cf30 R12: ffff888024be7980
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88807327e000
FS:  00007fcc68f3c6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fecfee116c8 CR3: 00000000253b0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400