G[ ok 8[?25h[?0c. [ 36.375641] audit: type=1800 audit(1585839130.186:34): pid=7220 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 39.742096] random: sshd: uninitialized urandom read (32 bytes read) [ 40.040311] audit: type=1400 audit(1585839133.876:35): avc: denied { map } for pid=7391 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 40.106079] random: sshd: uninitialized urandom read (32 bytes read) [ 40.869489] random: sshd: uninitialized urandom read (32 bytes read) [ 46.036998] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.165' (ECDSA) to the list of known hosts. [ 51.545324] random: sshd: uninitialized urandom read (32 bytes read) [ 51.670866] audit: type=1400 audit(1585839145.516:36): avc: denied { map } for pid=7403 comm="syz-executor737" path="/root/syz-executor737756909" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 51.910994] IPVS: ftp: loaded support on port[0] = 21 executing program [ 52.961043] IPVS: ftp: loaded support on port[0] = 21 executing program [ 54.031306] IPVS: ftp: loaded support on port[0] = 21 executing program [ 55.081001] IPVS: ftp: loaded support on port[0] = 21 executing program [ 56.171010] IPVS: ftp: loaded support on port[0] = 21 executing program [ 57.230995] IPVS: ftp: loaded support on port[0] = 21 executing program [ 59.086557] rxrpc: AF_RXRPC: Leaked local ffff8880a0842d80 {1} [ 59.092920] ------------[ cut here ]------------ [ 59.097729] kernel BUG at net/rxrpc/local_object.c:405! [ 59.103136] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 59.108485] Modules linked in: [ 59.111658] CPU: 1 PID: 122 Comm: kworker/u4:3 Not tainted 4.14.174-syzkaller #0 [ 59.119165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.128513] Workqueue: netns cleanup_net [ 59.132547] task: ffff8880a949c300 task.stack: ffff8880a9540000 [ 59.138580] RIP: 0010:rxrpc_destroy_all_locals+0xe6/0xf2 [ 59.144002] RSP: 0018:ffff8880a9547bf8 EFLAGS: 00010286 [ 59.149347] RAX: dffffc0000000000 RBX: ffff88808a038680 RCX: fffffbfff14b0f60 [ 59.156687] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000282 [ 59.163968] RBP: ffff88808a0386a0 R08: ffff8880a949c300 R09: dffffc0000000000 [ 59.171216] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808a0386a0 [ 59.178465] R13: ffff88808a0386b0 R14: dffffc0000000000 R15: fffffbfff10fd24f [ 59.185750] FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 59.194131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.199992] CR2: 00007ffcc64d33e8 CR3: 0000000092d7b000 CR4: 00000000001406e0 [ 59.207244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.214692] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.221938] Call Trace: [ 59.224542] rxrpc_exit_net+0x158/0x260 [ 59.228501] ? rxrpc_init_net+0xb20/0xb20 [ 59.232654] ops_exit_list.isra.0+0x9d/0x140 [ 59.237041] cleanup_net+0x3bb/0x820 [ 59.240735] ? net_drop_ns+0x70/0x70 [ 59.244427] ? find_held_lock+0xf0/0x110 [ 59.248466] process_one_work+0x813/0x1540 [ 59.252678] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 59.257321] ? worker_thread+0x15d/0x1070 [ 59.261446] ? _raw_spin_unlock_irq+0x24/0x80 [ 59.265916] worker_thread+0x5d1/0x1070 [ 59.269867] ? process_one_work+0x1540/0x1540 [ 59.274336] kthread+0x30d/0x420 [ 59.277678] ? kthread_create_on_node+0xd0/0xd0 [ 59.282335] ret_from_fork+0x24/0x30 [ 59.286037] Code: 00 00 00 00 00 fc ff df 48 83 eb 20 e8 74 ba 9e fb 4c 8d 63 20 4c 39 e5 0f 85 52 00 00 00 e8 62 ba 9e fb 4c 89 ef e8 8a 10 84 00 <0f> 0b 48 89 ef e8 10 0c c8 fb eb c0 e8 49 ba 9e fb 48 c7 c7 c0 [ 59.305186] RIP: rxrpc_destroy_all_locals+0xe6/0xf2 RSP: ffff8880a9547bf8 [ 59.312232] ---[ end trace d8efd06b0135d2d1 ]--- [ 59.316978] Kernel panic - not syncing: Fatal exception [ 59.323804] Kernel Offset: disabled [ 59.327430] Rebooting in 86400 seconds..