loop0: 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: 6536 Comm: syz-executor.0 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+0x3c0/0x5f0 fs/hfsplus/bnode.c:675 Code: e8 d5 ab 19 ff 83 fb 04 74 22 e8 8b b0 19 ff 48 89 ef e8 d3 a0 ff ff 48 89 ef e8 3b f8 ff ff e9 52 fe ff ff e8 71 b0 19 ff 90 <0f> 0b e8 69 b0 19 ff 49 8d 7c 24 08 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffffc90005257638 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880298c6b80 RCX: ffffffff82a38525 RDX: ffff88803569c900 RSI: ffffffff82a3883f RDI: 0000000000000005 RBP: ffff8880298c6b00 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88807bc68000 R13: 0000000000000000 R14: 00000000ffffffe0 R15: 00000000000000c0 FS: 00007fe16d5326c0(0000) GS:ffff8881249d9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f98d1815000 CR3: 00000000744f2000 CR4: 00000000003526f0 Call Trace: hfsplus_bmap_alloc+0x957/0xc20 fs/hfsplus/btree.c:420 hfs_bnode_split+0xde/0xf30 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x30d/0xd00 fs/hfsplus/brec.c:100 hfsplus_create_cat+0xd4a/0x11b0 fs/hfsplus/catalog.c:308 hfsplus_mknod+0x16c/0x300 fs/hfsplus/dir.c:494 vfs_create fs/namei.c:3493 [inline] vfs_create+0x4e0/0x7a0 fs/namei.c:3477 do_mknodat+0x3d3/0x5d0 fs/namei.c:4372 __do_sys_mknodat fs/namei.c:4400 [inline] __se_sys_mknodat fs/namei.c:4397 [inline] __x64_sys_mknodat+0xaf/0xe0 fs/namei.c:4397 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe16c87cda9 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:00007fe16d5320c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000103 RAX: ffffffffffffffda RBX: 00007fe16c9abf80 RCX: 00007fe16c87cda9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: ffffffffffffff9c RBP: 00007fe16c8c947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000103 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe16c9abf80 R15: 00007ffd313d83a8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfsplus_bnode_put+0x3c0/0x5f0 fs/hfsplus/bnode.c:675 Code: e8 d5 ab 19 ff 83 fb 04 74 22 e8 8b b0 19 ff 48 89 ef e8 d3 a0 ff ff 48 89 ef e8 3b f8 ff ff e9 52 fe ff ff e8 71 b0 19 ff 90 <0f> 0b e8 69 b0 19 ff 49 8d 7c 24 08 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffffc90005257638 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880298c6b80 RCX: ffffffff82a38525 RDX: ffff88803569c900 RSI: ffffffff82a3883f RDI: 0000000000000005 RBP: ffff8880298c6b00 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88807bc68000 R13: 0000000000000000 R14: 00000000ffffffe0 R15: 00000000000000c0 FS: 00007fe16d5326c0(0000) GS:ffff8881249d9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f98d1815000 CR3: 00000000744f2000 CR4: 00000000003526f0