[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon:[ 37.876897] audit: type=1800 audit(1570255780.890:33): pid=7410 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 restorecond[?2[ 37.899164] audit: type=1800 audit(1570255780.900:34): pid=7410 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 5l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 38.776374] audit: type=1400 audit(1570255781.790:35): avc: denied { map } for pid=7584 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.74' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 45.270586] audit: type=1400 audit(1570255788.290:36): avc: denied { map } for pid=7597 comm="syz-executor948" path="/root/syz-executor948431967" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 45.285748] IPVS: ftp: loaded support on port[0] = 21 [ 45.325712] rxrpc: Assertion failed [ 45.330046] ------------[ cut here ]------------ [ 45.334932] kernel BUG at net/rxrpc/local_object.c:437! [ 45.340720] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 45.346221] CPU: 1 PID: 19 Comm: kworker/1:0 Not tainted 4.19.76 #0 [ 45.352746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.362104] Workqueue: krxrpcd rxrpc_local_processor [ 45.367204] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 45.372837] Code: 5f 12 fd fa 0f 0b e8 74 ab 12 fb 48 c7 c7 e0 5f f1 87 e8 4c 12 fd fa 0f 0b e8 61 ab 12 fb 48 c7 c7 e0 5f f1 87 e8 39 12 fd fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 45.391841] RSP: 0018:ffff8880aa2b7ce8 EFLAGS: 00010282 [ 45.397192] RAX: 0000000000000017 RBX: ffff888096c4e4f8 RCX: 0000000000000000 [ 45.404461] RDX: 0000000000000000 RSI: ffffffff8155dc46 RDI: ffffed1015456f8f [ 45.411717] RBP: ffff8880aa2b7d30 R08: 0000000000000017 R09: ffff8880aa2a8dc8 [ 45.418973] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888085995cc8 [ 45.426240] R13: ffff88809b568788 R14: ffff888096c4e4c0 R15: ffff888099ff6040 [ 45.433816] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 45.442036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.447980] CR2: 0000000020000080 CR3: 000000000866d000 CR4: 00000000001406e0 [ 45.455642] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.462912] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.470316] Call Trace: [ 45.472960] process_one_work+0x989/0x1750 [ 45.477223] ? pwq_dec_nr_in_flight+0x320/0x320 [ 45.481892] ? lock_acquire+0x16f/0x3f0 [ 45.486286] ? kasan_check_write+0x14/0x20 [ 45.490505] ? do_raw_spin_lock+0xc8/0x240 [ 45.494752] worker_thread+0x98/0xe40 [ 45.498561] kthread+0x354/0x420 [ 45.501915] ? process_one_work+0x1750/0x1750 [ 45.506401] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 45.511943] ret_from_fork+0x24/0x30 [ 45.515764] Modules linked in: [ 45.519290] ---[ end trace 703378d6b0be446e ]--- [ 45.524062] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 45.529718] Code: 5f 12 fd fa 0f 0b e8 74 ab 12 fb 48 c7 c7 e0 5f f1 87 e8 4c 12 fd fa 0f 0b e8 61 ab 12 fb 48 c7 c7 e0 5f f1 87 e8 39 12 fd fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 45.548677] RSP: 0018:ffff8880aa2b7ce8 EFLAGS: 00010282 [ 45.554038] RAX: 0000000000000017 RBX: ffff888096c4e4f8 RCX: 0000000000000000 [ 45.561355] RDX: 0000000000000000 RSI: ffffffff8155dc46 RDI: ffffed1015456f8f [ 45.568671] RBP: ffff8880aa2b7d30 R08: 0000000000000017 R09: ffff8880aa2a8dc8 [ 45.575935