[ 36.697297] audit: type=1800 audit(1585004407.326:33): pid=7383 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 36.722377] audit: type=1800 audit(1585004407.336:34): pid=7383 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: [ 38.377603] random: sshd: uninitialized urandom read (32 bytes read) [ 38.581826] audit: type=1400 audit(1585004409.216:35): avc: denied { map } for pid=7552 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 [ 38.636310] random: sshd: uninitialized urandom read (32 bytes read) [ 39.398090] random: sshd: uninitialized urandom read (32 bytes read) [ 65.033347] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.3' (ECDSA) to the list of known hosts. [ 70.762432] random: sshd: uninitialized urandom read (32 bytes read) [ 70.892523] audit: type=1400 audit(1585004441.526:36): avc: denied { map } for pid=7565 comm="syz-executor019" path="/root/syz-executor019607510" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 71.131053] IPVS: ftp: loaded support on port[0] = 21 executing program [ 72.111031] IPVS: ftp: loaded support on port[0] = 21 executing program [ 73.161084] IPVS: ftp: loaded support on port[0] = 21 executing program [ 74.291116] IPVS: ftp: loaded support on port[0] = 21 executing program [ 75.511171] IPVS: ftp: loaded support on port[0] = 21 executing program [ 76.621169] IPVS: ftp: loaded support on port[0] = 21 executing program [ 78.610579] rxrpc: AF_RXRPC: Leaked local ffff88808832cd80 {1} [ 78.616775] ------------[ cut here ]------------ [ 78.621557] kernel BUG at net/rxrpc/local_object.c:405! [ 78.627030] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 78.632420] Modules linked in: [ 78.635593] CPU: 0 PID: 2335 Comm: kworker/u4:4 Not tainted 4.14.174-syzkaller #0 [ 78.643185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.652525] Workqueue: netns cleanup_net [ 78.656564] task: ffff8880a1648300 task.stack: ffff8880a1650000 [ 78.662615] RIP: 0010:rxrpc_destroy_all_locals+0xe6/0xf2 [ 78.668054] RSP: 0018:ffff8880a1657bf8 EFLAGS: 00010286 [ 78.673394] RAX: dffffc0000000000 RBX: ffff888080338740 RCX: fffffbfff14b0f60 [ 78.680660] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000282 [ 78.687919] RBP: ffff888080338760 R08: ffff8880a1648300 R09: dffffc0000000000 [ 78.695183] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888080338760 [ 78.702450] R13: ffff888080338770 R14: dffffc0000000000 R15: fffffbfff10fd24f [ 78.709698] FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 78.717907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.723770] CR2: 00007ffe5cc879d8 CR3: 0000000091c1e000 CR4: 00000000001406f0 [ 78.731025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.738273] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.745522] Call Trace: [ 78.748118] rxrpc_exit_net+0x158/0x260 [ 78.752070] ? rxrpc_init_net+0xb20/0xb20 [ 78.756195] ops_exit_list.isra.0+0x9d/0x140 [ 78.760582] cleanup_net+0x3bb/0x820 [ 78.764280] ? net_drop_ns+0x70/0x70 [ 78.767974] ? find_held_lock+0xf0/0x110 [ 78.772040] process_one_work+0x813/0x1540 [ 78.776257] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 78.780905] ? worker_thread+0x15d/0x1070 [ 78.785037] ? _raw_spin_unlock_irq+0x24/0x80 [ 78.789517] worker_thread+0x5d1/0x1070 [ 78.793471] ? process_one_work+0x1540/0x1540 [ 78.797948] kthread+0x30d/0x420 [ 78.801298] ? kthread_create_on_node+0xd0/0xd0 [ 78.805946] ret_from_fork+0x24/0x30 [ 78.809638] 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 [ 78.828710] RIP: rxrpc_destroy_all_locals+0xe6/0xf2 RSP: ffff8880a1657bf8 [ 78.835917] ---[ end trace c54707fc2edf238a ]--- [ 78.840746] Kernel panic - not syncing: Fatal exception [ 78.847311] Kernel Offset: disabled [ 78.850956] Rebooting in 86400 seconds..