[ 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 '10.128.0.150' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 64.693840][ T8382] kmemleak: 424 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 70.875701][ T8382] kmemleak: 462 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810feb7100 (size 232): comm "syz-executor159", pid 8387, jiffies 4294943106 (age 12.530s) 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 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] __alloc_skb+0x20f/0x280 [] skb_copy+0x65/0xe0 [] tipc_buf_append+0xeb/0x340 [] tipc_msg_reassemble+0xbd/0x1a0 [] tipc_mcast_xmit+0x392/0x7c0 [] tipc_send_group_bcast+0x2f1/0x3b0 [] __tipc_sendmsg+0x5ba/0xa80 [] tipc_sendmsg+0x31/0x50 [] sock_sendmsg+0x56/0x80 [] sock_no_sendpage+0x8f/0xc0 [] kernel_sendpage.part.0+0xeb/0x150 [] sock_sendpage+0x5b/0x90 [] pipe_to_sendpage+0xa2/0x110 [] __splice_from_pipe+0x1e2/0x330 [] generic_splice_sendpage+0x6f/0xa0 [] direct_splice_actor+0x4b/0x70 BUG: memory leak unreferenced object 0xffff88811045eb00 (size 232): comm "syz-executor159", pid 8387, jiffies 4294943106 (age 12.530s) 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 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] __alloc_skb+0x20f/0x280 [] skb_copy+0x65/0xe0 [] tipc_buf_append+0xeb/0x340 [] tipc_msg_reassemble+0xbd/0x1a0 [] tipc_mcast_xmit+0x392/0x7c0 [] tipc_send_group_bcast+0x2f1/0x3b0 [] __tipc_sendmsg+0x5ba/0xa80 [] tipc_sendmsg+0x31/0x50 [] sock_sendmsg+0x56/0x80 [] sock_no_sendpage+0x8f/0xc0 [] kernel_sendpage.part.0+0xeb/0x150 [] sock_sendpage+0x5b/0x90 [] pipe_to_sendpage+0xa2/0x110 [] __splice_from_pipe+0x1e2/0x330 [] generic_splice_sendpage+0x6f/0xa0 [] direct_splice_actor+0x4b/0x70 BUG: memory leak unreferenced object 0xffff88810afc0b00 (size 232): comm "syz-executor159", pid 8387, jiffies 4294943106 (age 12.530s) 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 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] __alloc_skb+0x20f/0x280 [] skb_copy+0x65/0xe0 [] tipc_buf_append+0xeb/0x340 [] tipc_msg_reassemble+0xbd/0x1a0 [] tipc_mcast_xmit+0x392/0x7c0 [] tipc_send_group_bcast+0x2f1/0x3b0 [] __tipc_sendmsg+0x5ba/0xa80 [] tipc_sendmsg+0x31/0x50 [] sock_sendmsg+0x56/0x80 [] sock_no_sendpage+0x8f/0xc0 [] kernel_sendpage.part.0+0xeb/0x150 [] sock_sendpage+0x5b/0x90 [] pipe_to_sendpage+0xa2/0x110 [] __splice_from_pipe+0x1e2/0x330 [] generic_splice_sendpage+0x6f/0xa0 [] direct_splice_actor+0x4b/0x70