[....] Starting enhanced syslogd: rsyslogd[ 6.089438] audit: type=1400 audit(1513645352.183:5): avc: denied { syslog } for pid=2972 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: [ 12.248036] audit: type=1400 audit(1513645358.341:6): avc: denied { map } for pid=3112 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-8,10.128.15.229' (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 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 18.099164] audit: type=1400 audit(1513645364.193:7): avc: denied { map } for pid=3126 comm="syzkaller822608" path="/root/syzkaller822608087" 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 18.165472] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 [ 18.173505] IP: __crypto_alg_lookup+0x43/0x190 [ 18.178059] PGD 0 P4D 0 [ 18.180697] Oops: 0000 [#1] SMP [ 18.183939] Dumping ftrace buffer: [ 18.187442] (ftrace buffer empty) [ 18.191118] Modules linked in: [ 18.194276] CPU: 1 PID: 3227 Comm: cryptomgr_probe Not tainted 4.15.0-rc3-next-20171214+ #67 [ 18.202901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.212230] RIP: 0010:__crypto_alg_lookup+0x43/0x190 [ 18.217295] RSP: 0018:ffffc9000187bd28 EFLAGS: 00010293 [ 18.222623] RAX: ffff880212eec5c0 RBX: 0000000000000000 RCX: ffffffff816741f3 [ 18.229867] RDX: 0000000000000000 RSI: 0000000000000403 RDI: ffff880212f40120 [ 18.237100] RBP: ffffc9000187bd70 R08: 0000000000000001 R09: 0000000000000001 [ 18.244332] R10: ffffc9000187bcf0 R11: 0000000000000000 R12: 0000000000000000 [ 18.251565] R13: 0000000000000000 R14: 000000000000240f R15: 0000000000000403 [ 18.258798] FS: 0000000000000000(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 [ 18.266989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.272843] CR2: 0000000000000020 CR3: 000000000301e004 CR4: 00000000001606e0 [ 18.280088] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 18.287324] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 18.294557] Call Trace: [ 18.297112] crypto_alg_lookup+0x31/0x50 [ 18.301139] crypto_larval_lookup.part.8+0x34/0x1c0 [ 18.306121] crypto_alg_mod_lookup+0x77/0x120 [ 18.310580] ? crypto_larval_lookup+0x50/0x50 [ 18.315046] crypto_find_alg+0x63/0x70 [ 18.318900] crypto_grab_spawn+0x2f/0x80 [ 18.322930] crypto_grab_aead+0x35/0x40 [ 18.326876] pcrypt_create+0xca/0x2c0 [ 18.330641] ? pcrypt_cpumask_change_notify+0x90/0x90 [ 18.335796] cryptomgr_probe+0x40/0x100 [ 18.339738] kthread+0x149/0x170 [ 18.343081] ? crypto_alg_put+0x40/0x40 [ 18.347025] ? kthread_delayed_work_timer_fn+0xe0/0xe0 [ 18.352270] ? kthread_delayed_work_timer_fn+0xe0/0xe0 [ 18.357511] ret_from_fork+0x24/0x30 [ 18.361189] Code: 89 7d d0 e8 70 61 c4 ff 48 8b 1d 89 df 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 61 c4 ff <44> 8b 6b 20 41 f6 c5 60 0f 85 03 01 00 00 e8 3a 61 c4 ff 44 89 [ 18.380217] RIP: __crypto_alg_lookup+0x43/0x190 RSP: ffffc9000187bd28 [ 18.386760] CR2: 0000000000000020 [ 18.390178] ---[ end trace f0441cda0d20ca03 ]--- [ 18.394894] Kernel panic - not syncing: Fatal exception [ 18.400246] Dumping ftrace buffer: [ 18.403751] (ftrace buffer empty) [ 18.407428] Kernel Offset: disabled [ 18.411027] Rebooting in 86400 seconds..