loop0: detected capacity change from 0 to 1024 ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:688! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4758 Comm: syz-executor.0 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:hfsplus_bnode_put+0x537/0x540 fs/hfsplus/bnode.c:688 Code: d1 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 a3 d0 91 ff e9 e3 fe ff ff e8 89 68 4d ff <0f> 0b e8 82 68 4d ff 0f 0b 55 41 57 41 56 41 54 53 89 f3 49 89 fe RSP: 0018:ffffc90002dcf528 EFLAGS: 00010293 RAX: ffffffff822a6387 RBX: ffff88802457fd00 RCX: ffff888074313b80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10048affb1 R10: ffffed10048affb1 R11: 1ffff110048affb0 R12: ffff88802457fd80 R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff8880250a2000 FS: 00007fd9922116c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd989e70d58 CR3: 0000000079706000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_bmap_alloc+0x688/0xa70 fs/hfsplus/btree.c:419 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:3170 do_mknodat+0x39d/0x620 fs/namei.c:4002 __do_sys_mknodat fs/namei.c:4030 [inline] __se_sys_mknodat fs/namei.c:4027 [inline] __x64_sys_mknodat+0xa5/0xc0 fs/namei.c:4027 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: 0033:0x7fd992e8fb29 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:00007fd9922110c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000103 RAX: ffffffffffffffda RBX: 00007fd992faef80 RCX: 00007fd992e8fb29 RDX: 0000000000000000 RSI: 0000000020000080 RDI: ffffffffffffff9c RBP: 00007fd992edb47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000103 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fd992faef80 R15: 00007ffdd067db18 Modules linked in: ---[ end trace c32f8e660b21dfdc ]--- RIP: 0010:hfsplus_bnode_put+0x537/0x540 fs/hfsplus/bnode.c:688 Code: d1 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 a3 d0 91 ff e9 e3 fe ff ff e8 89 68 4d ff <0f> 0b e8 82 68 4d ff 0f 0b 55 41 57 41 56 41 54 53 89 f3 49 89 fe RSP: 0018:ffffc90002dcf528 EFLAGS: 00010293 RAX: ffffffff822a6387 RBX: ffff88802457fd00 RCX: ffff888074313b80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10048affb1 R10: ffffed10048affb1 R11: 1ffff110048affb0 R12: ffff88802457fd80 R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff8880250a2000 FS: 00007fd9922116c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd989e70d58 CR3: 0000000079706000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400