[....] Starting enhanced syslogd: rsyslogd[ 6.035273] audit: type=1400 audit(1513207960.515:5): avc: denied { syslog } for pid=2958 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 13.612743] audit: type=1400 audit(1513207968.092:6): avc: denied { map } for pid=3095 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 Warning: Permanently added 'ci-upstream-next-kasan-gce-0,10.128.15.234' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 19.478513] audit: type=1400 audit(1513207973.958:7): avc: denied { map } for pid=3108 comm="syzkaller712969" path="/root/syzkaller712969515" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 19.557230] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 [ 19.565898] IP: __crypto_alg_lookup+0x43/0x190 [ 19.570457] PGD 213008067 P4D 213008067 PUD 213130067 PMD 0 [ 19.576222] Oops: 0000 [#1] SMP [ 19.579467] Dumping ftrace buffer: [ 19.582982] (ftrace buffer empty) [ 19.586655] Modules linked in: [ 19.589814] CPU: 0 PID: 3197 Comm: syzkaller712969 Not tainted 4.15.0-rc3-next-20171213+ #66 [ 19.598352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.608802] RIP: 0010:__crypto_alg_lookup+0x43/0x190 [ 19.613880] RSP: 0018:ffffc9000180bcb8 EFLAGS: 00010293 [ 19.619204] RAX: ffff880214cfe840 RBX: 0000000000000000 RCX: ffffffff81673d23 [ 19.626436] RDX: 0000000000000000 RSI: ffffc9000180bea1 RDI: ffff880211860891 [ 19.633672] RBP: ffffc9000180bd00 R08: 0000000000000001 R09: 0000000000000001 [ 19.640906] R10: ffffc9000180bc80 R11: 0000000000000000 R12: ffff88021194f850 [ 19.648149] R13: 0000000000000000 R14: 000000000000240f R15: 0000000000000403 [ 19.655385] FS: 0000000000ed9880(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 19.663574] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.669417] CR2: 0000000000000020 CR3: 00000002132b2000 CR4: 00000000001406f0 [ 19.676653] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.683887] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 19.691123] Call Trace: [ 19.693678] crypto_alg_lookup+0x31/0x50 [ 19.697704] crypto_larval_lookup.part.8+0x34/0x1c0 [ 19.702683] crypto_alg_mod_lookup+0x77/0x120 [ 19.707140] ? crypto_larval_lookup+0x50/0x50 [ 19.711596] crypto_alloc_tfm+0x67/0x180 [ 19.715620] crypto_alloc_aead+0x2c/0x40 [ 19.719645] aead_bind+0x51/0xc0 [ 19.722976] alg_bind+0x94/0x180 [ 19.726310] SYSC_bind+0xa8/0x130 [ 19.729728] ? trace_hardirqs_on_caller+0x130/0x1b0 [ 19.734712] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 19.739430] SyS_bind+0x24/0x30 [ 19.742675] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 19.747394] RIP: 0033:0x4407f9 [ 19.750554] RSP: 002b:00007ffef49e1458 EFLAGS: 00000203 ORIG_RAX: 0000000000000031 [ 19.758237] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004407f9 [ 19.765477] RDX: 0000000000000058 RSI: 0000000020f37000 RDI: 0000000000000003 [ 19.772710] RBP: 0000000000004c5e R08: 0000000000000000 R09: 0000000000000000 [ 19.779944] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 19.787181] R13: 0000000000401d30 R14: 0000000000000000 R15: 0000000000000000 [ 19.794422] Code: 89 7d d0 e8 70 66 c4 ff 48 8b 1d 59 e4 a6 01 48 81 fb 60 21 0e 83 0f 84 4c 01 00 00 c7 45 c4 fe ff ff ff 45 31 e4 e8 4d 66 c4 ff <44> 8b 6b 20 41 f6 c5 60 0f 85 03 01 00 00 e8 3a 66 c4 ff 44 89 [ 19.813463] RIP: __crypto_alg_lookup+0x43/0x190 RSP: ffffc9000180bcb8 [ 19.820004] CR2: 0000000000000020 [ 19.823481] ---[ end trace f4eb0991d26dafe1 ]--- [ 19.828343] Kernel panic - not syncing: Fatal exception [ 19.833699] Dumping ftrace buffer: [ 19.837201] (ftrace buffer empty) [ 19.840875] Kernel Offset: disabled [ 19.844467] Rebooting in 86400 seconds..