loop4: detected capacity change from 0 to 1024 ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:675! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 6150 Comm: syz.4.36 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:hfsplus_bnode_put+0x515/0x590 fs/hfsplus/bnode.c:675 Code: 8b 41 b8 a2 02 00 00 49 c7 c1 a0 02 82 8b 50 53 41 54 e8 be 73 2b 02 48 83 c4 18 4c 8b 3c 24 e9 42 fb ff ff e8 ec fd 23 ff 90 <0f> 0b 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 35 ff ff ff 4c 89 ff RSP: 0018:ffffc900038cf190 EFLAGS: 00010287 RAX: ffffffff829c45e4 RBX: 1ffff1100eb6c060 RCX: 0000000000080000 RDX: ffffc9000d11d000 RSI: 0000000000002d1a RDI: 0000000000002d1b RBP: 0000000000000000 R08: ffff888075b60383 R09: 1ffff1100eb6c070 R10: dffffc0000000000 R11: ffffed100eb6c071 R12: ffff888075b60380 R13: ffff888075b60300 R14: dffffc0000000000 R15: ffff888031fe0000 FS: 00007f47245566c0(0000) GS:ffff888125d06000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c406109 CR3: 0000000075e5b000 CR4: 0000000000350ef0 Call Trace: hfsplus_bmap_alloc+0x70f/0xad0 fs/hfsplus/btree.c:420 hfs_bnode_split+0xcc/0x1060 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x3b6/0xd30 fs/hfsplus/brec.c:100 hfsplus_rename_cat+0x524/0xf10 fs/hfsplus/catalog.c:491 hfsplus_unlink+0x2e7/0x730 fs/hfsplus/dir.c:376 hfsplus_rename+0xcb/0x1c0 fs/hfsplus/dir.c:547 vfs_rename+0xb34/0xe80 fs/namei.c:5216 do_renameat2+0x6a2/0xa50 fs/namei.c:5364 __do_sys_rename fs/namei.c:5411 [inline] __se_sys_rename fs/namei.c:5409 [inline] __x64_sys_rename+0x82/0x90 fs/namei.c:5409 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f472378efc9 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:00007f4724556038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f47239e5fa0 RCX: 00007f472378efc9 RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000200000000580 RBP: 00007f4723811f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f47239e6038 R14: 00007f47239e5fa0 R15: 00007ffd8c9ac1d8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfsplus_bnode_put+0x515/0x590 fs/hfsplus/bnode.c:675 Code: 8b 41 b8 a2 02 00 00 49 c7 c1 a0 02 82 8b 50 53 41 54 e8 be 73 2b 02 48 83 c4 18 4c 8b 3c 24 e9 42 fb ff ff e8 ec fd 23 ff 90 <0f> 0b 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 35 ff ff ff 4c 89 ff RSP: 0018:ffffc900038cf190 EFLAGS: 00010287 RAX: ffffffff829c45e4 RBX: 1ffff1100eb6c060 RCX: 0000000000080000 RDX: ffffc9000d11d000 RSI: 0000000000002d1a RDI: 0000000000002d1b RBP: 0000000000000000 R08: ffff888075b60383 R09: 1ffff1100eb6c070 R10: dffffc0000000000 R11: ffffed100eb6c071 R12: ffff888075b60380 R13: ffff888075b60300 R14: dffffc0000000000 R15: ffff888031fe0000 FS: 00007f47245566c0(0000) GS:ffff888125d06000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005631949ca168 CR3: 0000000075e5b000 CR4: 0000000000350ef0