loop0: detected capacity change from 0 to 1024 hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5334 at fs/hfsplus/bnode.c:579 hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:579 Modules linked in: CPU: 0 UID: 0 PID: 5334 Comm: syz.0.0 Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:579 Code: a1 8b 89 ee e8 40 8f 8f fe e9 cf fc ff ff e8 16 5f 28 ff 4c 89 ef e8 7e 8b d0 08 48 c7 c7 a0 b0 a1 8b 89 ee e8 20 8f 8f fe 90 <0f> 0b 90 eb b0 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c d6 fb ff ff RSP: 0018:ffffc9000d63f100 EFLAGS: 00010246 RAX: 0000000000000023 RBX: ffff888030ed4000 RCX: e8e251a91d9ebf00 RDX: ffffc9000e282000 RSI: 0000000000000fb3 RDI: 0000000000000fb4 RBP: 0000000000000000 R08: ffffc9000d63ee27 R09: 1ffff92001ac7dc4 R10: dffffc0000000000 R11: fffff52001ac7dc5 R12: 0000000000000000 R13: ffff888030ed40e0 R14: ffff88803683f500 R15: dffffc0000000000 FS: 00007f3ced1f56c0(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000001660 CR3: 000000004329d000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_bmap_alloc+0x5af/0x640 fs/hfsplus/btree.c:415 hfs_bnode_split+0xcc/0xef0 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x38f/0xcc0 fs/hfsplus/brec.c:100 hfsplus_create_cat+0x9e9/0x1000 fs/hfsplus/catalog.c:308 hfsplus_mknod+0x16a/0x290 fs/hfsplus/dir.c:494 lookup_open fs/namei.c:3708 [inline] open_last_lookups fs/namei.c:3807 [inline] path_openat+0x14f4/0x3830 fs/namei.c:4043 do_filp_open+0x1fa/0x410 fs/namei.c:4073 do_sys_openat2+0x121/0x1c0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1463 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3cf0d8e929 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:00007f3ced1f5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f3cf0fb5fa0 RCX: 00007f3cf0d8e929 RDX: 000000000000275a RSI: 00002000000000c0 RDI: 0000000000000005 RBP: 00007f3cf0e10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3cf0fb5fa0 R15: 00007fff19929c18