[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 57.416546][ T8454] IPVS: ftp: loaded support on port[0] = 21 executing program [ 63.391724][ T8475] IPVS: ftp: loaded support on port[0] = 21 [ 64.379643][ T8453] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810b6c6200 (size 256): comm "syz-executor980", pid 8454, jiffies 4294943011 (age 13.870s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 0a 00 00 00 00 80 22 08 81 88 ff ff .........."..... backtrace: [<00000000dc5e41b9>] rxrpc_lookup_local+0x1c1/0x760 [<00000000b524879e>] rxrpc_bind+0x174/0x240 [<00000000d440f45b>] afs_open_socket+0xdb/0x200 [<0000000086bc0bc3>] afs_net_init+0x2b4/0x340 [<000000004346c397>] ops_init+0x4e/0x190 [<00000000f3d56ef5>] setup_net+0xde/0x2d0 [<000000003e5947fd>] copy_net_ns+0x19f/0x3e0 [<000000000c309155>] create_new_namespaces+0x199/0x4f0 [<00000000418f0646>] unshare_nsproxy_namespaces+0x9b/0x120 [<00000000dced641a>] ksys_unshare+0x2fe/0x5c0 [<00000000be2852ff>] __x64_sys_unshare+0x12/0x20 [<00000000eafc35f5>] do_syscall_64+0x2d/0x70 [<000000005a06924b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9