loop8: detected capacity change from 0 to 1024 ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:637! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 9369 Comm: syz.8.1057 Not tainted 5.15.189-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:637 Code: f8 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 43 f7 91 ff e9 e3 fe ff ff e8 09 94 4d ff <0f> 0b e8 02 94 4d ff 0f 0b 55 41 57 41 56 41 54 53 89 f3 49 89 fe RSP: 0018:ffffc90003f3f1e8 EFLAGS: 00010283 RAX: ffffffff822a3017 RBX: ffff88807650c800 RCX: 0000000000080000 RDX: ffffc9000f64f000 RSI: 000000000000af5c RDI: 000000000000af5d RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100eca1911 R10: ffffed100eca1911 R11: 1ffff1100eca1910 R12: ffff88807650c880 R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888073c7c000 FS: 00007fc8ba6876c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc8bc619580 CR3: 000000004cbd4000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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_rename_cat+0x513/0xdf0 fs/hfsplus/catalog.c:491 hfsplus_unlink+0x2d4/0x760 fs/hfsplus/dir.c:376 hfsplus_rename+0xc7/0x1b0 fs/hfsplus/dir.c:547 vfs_rename+0xbbf/0x10d0 fs/namei.c:4832 do_renameat2+0xa83/0xf70 fs/namei.c:4985 __do_sys_rename fs/namei.c:5031 [inline] __se_sys_rename fs/namei.c:5029 [inline] __x64_sys_rename+0x82/0x90 fs/namei.c:5029 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: 0033:0x7fc8bc41fbe9 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:00007fc8ba687038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007fc8bc646fa0 RCX: 00007fc8bc41fbe9 RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000200000000580 RBP: 00007fc8bc4a2e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc8bc647038 R14: 00007fc8bc646fa0 R15: 00007ffc05a5fc58 Modules linked in: ---[ end trace 4b1af4057e30f9b4 ]--- RIP: 0010:hfsplus_bnode_put+0x537/0x540 fs/hfsplus/bnode.c:637 Code: f8 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 43 f7 91 ff e9 e3 fe ff ff e8 09 94 4d ff <0f> 0b e8 02 94 4d ff 0f 0b 55 41 57 41 56 41 54 53 89 f3 49 89 fe RSP: 0018:ffffc90003f3f1e8 EFLAGS: 00010283 RAX: ffffffff822a3017 RBX: ffff88807650c800 RCX: 0000000000080000 RDX: ffffc9000f64f000 RSI: 000000000000af5c RDI: 000000000000af5d RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100eca1911 R10: ffffed100eca1911 R11: 1ffff1100eca1910 R12: ffff88807650c880 R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888073c7c000 FS: 00007fc8ba6876c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2c03d5 CR3: 000000004cbd4000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400