[....] Starting enhanced syslogd: rsyslogd[ 5.037523] audit: type=1400 audit(1513703882.808:5): avc: denied { syslog } for pid=2967 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: [ 14.120772] audit: type=1400 audit(1513703891.891:6): avc: denied { map } for pid=3104 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-5,10.128.15.227' (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 [ 28.649045] audit: type=1400 audit(1513703906.419:7): avc: denied { map } for pid=3120 comm="syzkaller169189" path="/root/syzkaller169189986" 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 [ 28.866344] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 [ 28.874325] IP: __crypto_alg_lookup+0x43/0x190 [ 28.878868] PGD 0 P4D 0 [ 28.881504] Oops: 0000 [#1] SMP [ 28.884746] Dumping ftrace buffer: [ 28.888248] (ftrace buffer empty) [ 28.891923] Modules linked in: [ 28.895083] CPU: 1 PID: 3432 Comm: cryptomgr_probe Not tainted 4.15.0-rc3-next-20171214+ #67 [ 28.903620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.912946] RIP: 0010:__crypto_alg_lookup+0x43/0x190 [ 28.918009] RSP: 0018:ffffc90001bffd28 EFLAGS: 00010293 [ 28.923332] RAX: ffff880212cea600 RBX: 0000000000000000 RCX: ffffffff816741f3 [ 28.930563] RDX: 0000000000000000 RSI: ffff880214e02121 RDI: ffff880210c83089 [ 28.937795] RBP: ffffc90001bffd70 R08: 0000000000000001 R09: 0000000000000001 [ 28.945027] R10: ffffc90001bffcf0 R11: 0000000000000000 R12: 0000000000000000 [ 28.952258] R13: 0000000000000000 R14: 000000000000240f R15: 0000000000000403 [ 28.959489] FS: 0000000000000000(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 [ 28.967676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.973518] CR2: 0000000000000020 CR3: 000000000301e006 CR4: 00000000001606e0 [ 28.980753] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.987985] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.995215] Call Trace: [ 28.997767] crypto_alg_lookup+0x31/0x50 [ 29.001788] crypto_larval_lookup.part.8+0x34/0x1c0 [ 29.006766] crypto_alg_mod_lookup+0x77/0x120 [ 29.011221] ? crypto_larval_lookup+0x50/0x50 [ 29.015678] crypto_find_alg+0x63/0x70 [ 29.019529] crypto_grab_spawn+0x2f/0x80 [ 29.023552] crypto_grab_aead+0x35/0x40 [ 29.027487] pcrypt_create+0xca/0x2c0 [ 29.031247] ? pcrypt_cpumask_change_notify+0x90/0x90 [ 29.036400] cryptomgr_probe+0x40/0x100 [ 29.040335] kthread+0x149/0x170 [ 29.043666] ? crypto_alg_put+0x40/0x40 [ 29.047601] ? kthread_delayed_work_timer_fn+0xe0/0xe0 [ 29.052840] ret_from_fork+0x24/0x30 [ 29.056526] 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 [ 29.075564] RIP: __crypto_alg_lookup+0x43/0x190 RSP: ffffc90001bffd28 [ 29.082104] CR2: 0000000000000020 [ 29.085520] ---[ end trace 92f76e3fa5a0c70f ]--- [ 29.085524] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 [ 29.085533] IP: __crypto_alg_lookup+0x43/0x190 [ 29.085535] PGD 214263067 P4D 214263067 PUD 21412f067 PMD 0 [ 29.085543] Oops: 0000 [#2] SMP [ 29.085547] Dumping ftrace buffer: [ 29.085549] (ftrace buffer empty) [ 29.085550] Modules linked in: [ 29.085555] CPU: 0 PID: 3414 Comm: syzkaller169189 Tainted: G D 4.15.0-rc3-next-20171214+ #67 [ 29.085557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.085561] RIP: 0010:__crypto_alg_lookup+0x43/0x190 [ 29.085562] RSP: 0018:ffffc90001bf7cb8 EFLAGS: 00010293 [ 29.085565] RAX: ffff88021435c800 RBX: 0000000000000000 RCX: ffffffff816741f3 [ 29.085566] RDX: 0000000000000000 RSI: ffffc90001bf7e99 RDI: ffff880210c83089 [ 29.085568] RBP: ffffc90001bf7d00 R08: 0000000000000001 R09: ffffffff81674363 [ 29.085570] R10: ffffc90001bf7c80 R11: 0000000000000000 R12: ffff88021413a800 [ 29.085572] R13: 0000000000000000 R14: 000000000000240f R15: 0000000000000403 [ 29.085574] FS: 0000000000c04880(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 29.085576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.085578] CR2: 0000000000000020 CR3: 0000000212ee8001 CR4: 00000000001606f0 [ 29.085582] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.085584] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.085584] Call Trace: [ 29.085592] crypto_alg_lookup+0x31/0x50 [ 29.085596] crypto_larval_lookup.part.8+0xa0/0x1c0 [ 29.085600] crypto_alg_mod_lookup+0x77/0x120 [ 29.085603] ? crypto_larval_lookup+0x50/0x50 [ 29.085606] crypto_alloc_tfm+0x67/0x180 [ 29.085611] crypto_alloc_aead+0x2c/0x40 [ 29.085616] aead_bind+0x51/0xc0 [ 29.085620] alg_bind+0x94/0x180 [ 29.085626] SYSC_bind+0xa8/0x130 [ 29.085634] ? trace_hardirqs_on_caller+0x130/0x1b0 [ 29.085639] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.085643] SyS_bind+0x24/0x30 [ 29.085648] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 29.085651] RIP: 0033:0x441359 [ 29.085652] RSP: 002b:00007ffe5bfb0818 EFLAGS: 00000203 ORIG_RAX: 0000000000000031 [ 29.085655] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441359 [ 29.085656] RDX: 0000000000000058 RSI: 0000000020b5efa8 RDI: 0000000000000003 [ 29.085658] RBP: 0000000000007098 R08: 0000000000000000 R09: 0000000000000000 [ 29.085659] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 29.085661] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 29.085666] 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 [ 29.085717] RIP: __crypto_alg_lookup+0x43/0x190 RSP: ffffc90001bf7cb8 [ 29.085718] CR2: 0000000000000020 [ 29.085772] ---[ end trace 92f76e3fa5a0c710 ]--- [ 29.085773] Kernel panic - not syncing: Fatal exception [ 30.163478] Shutting down cpus with NMI [ 30.167842] Dumping ftrace buffer: [ 30.171346] (ftrace buffer empty) [ 30.175018] Kernel Offset: disabled [ 30.178607] Rebooting in 86400 seconds..