[....] Starting enhanced syslogd: rsyslogd[ 6.194791] audit: type=1400 audit(1513236277.973:5): avc: denied { syslog } for pid=2963 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 periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] 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: [ 8.472171] audit: type=1400 audit(1513236280.251:6): avc: denied { map } for pid=3102 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-0,10.128.0.17' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 50.948834] audit: type=1400 audit(1513236322.727:7): avc: denied { map } for pid=3122 comm="syzkaller761025" path="/root/syzkaller761025063" 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 executing program executing program executing program [ 51.012623] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 [ 51.020630] IP: __crypto_alg_lookup+0x43/0x190 [ 51.025176] PGD 213621067 P4D 213621067 PUD 212095067 PMD 0 [ 51.030942] Oops: 0000 [#1] SMP [ 51.034185] Dumping ftrace buffer: [ 51.037686] (ftrace buffer empty) [ 51.041359] Modules linked in: [ 51.044518] CPU: 1 PID: 3193 Comm: cryptomgr_probe Not tainted 4.15.0-rc3-next-20171213+ #66 [ 51.053052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.062371] RIP: 0010:__crypto_alg_lookup+0x43/0x190 [ 51.067433] RSP: 0018:ffffc9000190bd28 EFLAGS: 00010293 [ 51.072758] RAX: ffff880214d5c400 RBX: 0000000000000000 RCX: ffffffff81673d23 [ 51.079994] RDX: 0000000000000000 RSI: ffff8802120b0124 RDI: ffff880216a2b08c [ 51.087226] RBP: ffffc9000190bd70 R08: 0000000000000001 R09: 0000000000000001 [ 51.094459] R10: ffffc9000190bcf0 R11: 0000000000000000 R12: 0000000000000000 [ 51.101691] R13: 0000000000000000 R14: 000000000000240f R15: 0000000000000403 [ 51.108926] FS: 0000000000000000(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 [ 51.117112] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.122956] CR2: 0000000000000020 CR3: 000000021600c000 CR4: 00000000001406e0 [ 51.130193] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.137427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.144658] Call Trace: [ 51.147210] crypto_alg_lookup+0x31/0x50 [ 51.151235] crypto_larval_lookup.part.8+0x34/0x1c0 [ 51.156214] crypto_alg_mod_lookup+0x77/0x120 [ 51.160672] ? crypto_larval_lookup+0x50/0x50 [ 51.165131] crypto_find_alg+0x63/0x70 [ 51.168982] crypto_grab_spawn+0x2f/0x80 [ 51.173004] crypto_grab_aead+0x35/0x40 [ 51.176941] pcrypt_create+0xca/0x2c0 [ 51.180703] ? pcrypt_cpumask_change_notify+0x90/0x90 [ 51.185855] cryptomgr_probe+0x40/0x100 [ 51.189795] kthread+0x149/0x170 [ 51.193125] ? crypto_alg_put+0x40/0x40 [ 51.197061] ? kthread_delayed_work_timer_fn+0xe0/0xe0 [ 51.202311] ? kthread_delayed_work_timer_fn+0xe0/0xe0 [ 51.207554] ret_from_fork+0x24/0x30 [ 51.211231] 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 [ 51.230258] RIP: __crypto_alg_lookup+0x43/0x190 RSP: ffffc9000190bd28 [ 51.236796] CR2: 0000000000000020 [ 51.240213] ---[ end trace 2fe2f2318719992b ]--- [ 51.244929] Kernel panic - not syncing: Fatal exception [ 51.250281] Dumping ftrace buffer: [ 51.253792] (ftrace buffer empty) [ 51.257466] Kernel Offset: disabled [ 51.261055] Rebooting in 86400 seconds..