[?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. [ 6.210715] audit: type=1400 audit(1513668172.799:6): avc: denied { map } for pid=3097 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 'ci-upstream-next-kasan-gce-3,10.128.0.21' (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 syzkaller login: [ 15.110951] audit: type=1400 audit(1513668181.699:7): avc: denied { map } for pid=3112 comm="syzkaller166258" path="/root/syzkaller166258252" 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 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 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 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 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 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 [ 15.482129] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 [ 15.490117] IP: __crypto_alg_lookup+0x43/0x190 [ 15.494665] PGD 0 P4D 0 [ 15.497301] Oops: 0000 [#1] SMP [ 15.500543] Dumping ftrace buffer: [ 15.504044] (ftrace buffer empty) [ 15.507718] Modules linked in: [ 15.510874] CPU: 1 PID: 3623 Comm: cryptomgr_probe Not tainted 4.15.0-rc3-next-20171214+ #67 [ 15.519410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 15.528727] RIP: 0010:__crypto_alg_lookup+0x43/0x190 [ 15.533788] RSP: 0018:ffffc90001bcfd28 EFLAGS: 00010293 [ 15.539110] RAX: ffff8802136ee600 RBX: 0000000000000000 RCX: ffffffff816741f3 [ 15.546346] RDX: 0000000000000000 RSI: 0000000000000403 RDI: ffff880214cea120 [ 15.553580] RBP: ffffc90001bcfd70 R08: 0000000000000001 R09: 0000000000000001 [ 15.560813] R10: ffffc90001bcfcf0 R11: 0000000000000000 R12: 0000000000000000 [ 15.568044] R13: 0000000000000000 R14: 000000000000240f R15: 0000000000000403 [ 15.575276] FS: 0000000000000000(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 [ 15.583462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.589304] CR2: 0000000000000020 CR3: 000000000301e004 CR4: 00000000001606e0 [ 15.596539] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 15.603772] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 15.611002] Call Trace: [ 15.613561] crypto_alg_lookup+0x31/0x50 [ 15.617584] crypto_larval_lookup.part.8+0x34/0x1c0 [ 15.622563] crypto_alg_mod_lookup+0x77/0x120 [ 15.627023] ? crypto_larval_lookup+0x50/0x50 [ 15.631478] crypto_find_alg+0x63/0x70 [ 15.635329] crypto_grab_spawn+0x2f/0x80 [ 15.639353] crypto_grab_aead+0x35/0x40 [ 15.643290] pcrypt_create+0xca/0x2c0 [ 15.647053] ? pcrypt_cpumask_change_notify+0x90/0x90 [ 15.652203] cryptomgr_probe+0x40/0x100 [ 15.656145] kthread+0x149/0x170 [ 15.659473] ? crypto_alg_put+0x40/0x40 [ 15.663413] ? kthread_delayed_work_timer_fn+0xe0/0xe0 [ 15.668651] ret_from_fork+0x24/0x30 [ 15.672328] 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 [ 15.691353] RIP: __crypto_alg_lookup+0x43/0x190 RSP: ffffc90001bcfd28 [ 15.697890] CR2: 0000000000000020 [ 15.701308] ---[ end trace b252431c15bedbfc ]--- [ 15.706025] Kernel panic - not syncing: Fatal exception [ 15.711774] Dumping ftrace buffer: [ 15.715276] (ftrace buffer empty) [ 15.718948] Kernel Offset: disabled [ 15.722536] Rebooting in 86400 seconds..