loop1: detected capacity change from 0 to 1024 hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7889 at fs/hfsplus/bnode.c:642 hfsplus_bnode_create+0x3d2/0x460 fs/hfsplus/bnode.c:641 Modules linked in: CPU: 0 PID: 7889 Comm: syz.1.822 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:hfsplus_bnode_create+0x3d2/0x460 fs/hfsplus/bnode.c:642 Code: 8c 3f 8a 89 ee e8 ce dc 84 07 e9 52 fd ff ff e8 e4 53 4b ff 4c 89 f7 e8 3c f3 98 07 48 c7 c7 a0 8c 3f 8a 89 ee e8 ae dc 84 07 <0f> 0b 49 c7 c5 ef ff ff ff eb b0 44 89 f9 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc900035cf0b0 EFLAGS: 00010246 RAX: 0000000000000023 RBX: dffffc0000000000 RCX: 32c2be137f15a400 RDX: ffffc90003de3000 RSI: 0000000000019a6b RDI: 0000000000019a6c RBP: 0000000000000000 R08: ffff8880b9033d7f R09: 1ffff110172067af R10: dffffc0000000000 R11: ffffed10172067b0 R12: 0000000000000000 R13: ffff88803557c000 R14: ffff88803557c0e0 R15: ffff88801ff5c000 FS: 00007f77597206c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd4ce66b000 CR3: 0000000077a98000 CR4: 00000000003526f0 Call Trace: hfsplus_bmap_alloc+0x698/0xa70 fs/hfsplus/btree.c:420 hfs_bnode_split+0xd1/0xef0 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x391/0xcc0 fs/hfsplus/brec.c:100 hfsplus_create_cat+0x412/0x10c0 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0x14b8/0x1e70 fs/hfsplus/super.c:579 mount_bdev+0x287/0x3c0 fs/super.c:1400 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x24a/0xa40 fs/namespace.c:3034 do_mount fs/namespace.c:3377 [inline] __do_sys_mount fs/namespace.c:3585 [inline] __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562 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: 0033:0x7f775b4c80ca Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f775971fe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f775971fee0 RCX: 00007f775b4c80ca RDX: 0000200000000100 RSI: 0000200000000280 RDI: 00007f775971fea0 RBP: 0000200000000100 R08: 00007f775971fee0 R09: 0000000002000010 R10: 0000000002000010 R11: 0000000000000246 R12: 0000200000000280 R13: 00007f775971fea0 R14: 0000000000000706 R15: 0000200000000000