IPVS: ftp: loaded support on port[0] = 21 hfs: unable to locate alternate MDB hfs: continuing without an alternate MDB hfs: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3745 at fs/hfs/bnode.c:416 hfs_bnode_create.cold.13+0xe/0x15 fs/hfs/bnode.c:415 Modules linked in: CPU: 1 PID: 3745 Comm: syz-executor3 Not tainted 5.10.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 hfs: unable to locate alternate MDB RIP: 0010:hfs_bnode_create.cold.13+0xe/0x15 fs/hfs/bnode.c:416 Code: f6 e8 80 0f ff ff e9 5d 00 87 fe 48 c7 c7 30 a7 be 83 e8 6f 0f ff ff e9 55 07 87 fe 89 de 48 c7 c7 80 a7 be 83 e8 5c 0f ff ff <0f> 0b e9 82 09 87 fe 48 c7 c7 a4 a7 be 83 e8 49 0f ff ff 31 c0 e9 RSP: 0018:ffffc9000040bbd8 EFLAGS: 00010246 RAX: 000000000000001f RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff888237d18e30 RDI: ffff888237d18e30 RBP: ffffc9000040bc08 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: ffffc9000040b9c0 R12: ffff88810f7530e0 R13: ffff88810f7156c0 R14: ffff88810f753000 R15: ffff88810f7156c0 FS: 00007f61cf632700(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004da4f8 CR3: 000000010f61f000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfs: continuing without an alternate MDB hfs_bmap_alloc+0x218/0x270 fs/hfs/btree.c:288 hfs: unable to locate alternate MDB hfs_bnode_split+0x37/0x390 fs/hfs/brec.c:241 hfs: continuing without an alternate MDB hfs: new node 0 already hashed? ------------[ cut here ]------------ hfs_brec_insert+0xce/0x370 fs/hfs/brec.c:102 hfs_cat_create+0x298/0x2f0 fs/hfs/catalog.c:131 WARNING: CPU: 0 PID: 3773 at fs/hfs/bnode.c:416 hfs_bnode_create.cold.13+0xe/0x15 fs/hfs/bnode.c:415 hfs_mkdir+0x3c/0xa0 fs/hfs/dir.c:231 Modules linked in: vfs_mkdir+0x10d/0x1c0 fs/namei.c:3650 do_mkdirat+0xe3/0x110 fs/namei.c:3673 __do_sys_mkdir fs/namei.c:3689 [inline] __se_sys_mkdir fs/namei.c:3687 [inline] __x64_sys_mkdir+0x16/0x20 fs/namei.c:3687 CPU: 0 PID: 3773 Comm: syz-executor2 Not tainted 5.10.0-rc2-syzkaller #0 do_syscall_64+0x37/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0033:0x4554a9 Code: 9d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 6b b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RIP: 0010:hfs_bnode_create.cold.13+0xe/0x15 fs/hfs/bnode.c:416 RSP: 002b:00007f61cf631c68 EFLAGS: 00000246 Code: f6 e8 80 0f ff ff e9 5d 00 87 fe 48 c7 c7 30 a7 be 83 e8 6f 0f ff ff e9 55 07 87 fe 89 de 48 c7 c7 80 a7 be 83 e8 5c 0f ff ff <0f> 0b e9 82 09 87 fe 48 c7 c7 a4 a7 be 83 e8 49 0f ff ff 31 c0 e9 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f61cf6326d4 RCX: 00000000004554a9 RSP: 0018:ffffc9000053bbd8 EFLAGS: 00010246 RDX: 0000000000000000 RSI: 0000000000000021 RDI: 0000000020000180 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000000