[?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. [ 13.597318] audit: type=1400 audit(1513293752.550:6): avc: denied { map } for pid=3137 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-mmots-kasan-gce-7,10.128.15.198' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 22.940840] audit: type=1400 audit(1513293761.893:7): avc: denied { map } for pid=3152 comm="syzkaller013733" path="/root/syzkaller013733197" 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 [ 22.987527] kasan: CONFIG_KASAN_INLINE enabled [ 22.992164] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 22.999549] general protection fault: 0000 [#1] SMP KASAN [ 23.005060] Dumping ftrace buffer: [ 23.008565] (ftrace buffer empty) [ 23.012241] Modules linked in: [ 23.015419] CPU: 0 PID: 3152 Comm: syzkaller013733 Not tainted 4.15.0-rc2-mm1+ #39 [ 23.023088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.032415] RIP: 0010:blkcipher_walk_done+0x300/0xde0 [ 23.037566] RSP: 0018:ffff8801c48474a0 EFLAGS: 00010202 [ 23.042893] RAX: 0000000000000000 RBX: 0000000064417904 RCX: 0000000000000001 [ 23.050163] RDX: dffffc0000000000 RSI: 0000000000000fd6 RDI: 0000000000000008 [ 23.057404] RBP: ffff8801c48474f0 R08: ffffed00396857fb R09: 0000000000000000 [ 23.064639] R10: 0000000000000003 R11: ffffed00396857fa R12: ffff8801c48476a8 [ 23.071880] R13: ffff8801c4847590 R14: ffff8801c48475d8 R15: ffff8801c48475b8 [ 23.079116] FS: 0000000001817880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 23.087312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.093157] CR2: 0000000020931fd0 CR3: 00000001c4bd9000 CR4: 00000000001406f0 [ 23.100392] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.107626] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.114861] Call Trace: [ 23.117415] ? crypto_inc+0x74/0x1b0 [ 23.121097] crypto_ctr_crypt+0x3ca/0x840 [ 23.125209] ? rmd256_update+0x92/0x140 [ 23.129152] ? blowfish_setkey+0x710/0x710 [ 23.133351] ? crypto_rfc3686_create+0xc40/0xc40 [ 23.138079] ? shash_ahash_finup+0x1d9/0x270 [ 23.142452] ? crypto_rfc3686_create+0xc40/0xc40 [ 23.147173] skcipher_decrypt_blkcipher+0x213/0x310 [ 23.152152] ? skcipher_decrypt_blkcipher+0x213/0x310 [ 23.157309] ? skcipher_encrypt_blkcipher+0x310/0x310 [ 23.162464] ? scatterwalk_ffwd+0xbf/0x370 [ 23.166667] poly_tail_continue+0x42a/0x6b0 [ 23.170951] ? crypto_ahash_op+0xc4/0x140 [ 23.175066] poly_tail+0x40f/0x520 [ 23.178573] poly_cipherpad+0x33e/0x470 [ 23.182512] poly_cipher+0x303/0x440 [ 23.186191] poly_adpad+0x347/0x480 [ 23.189786] poly_ad+0x25c/0x300 [ 23.193117] poly_setkey+0x2fc/0x3e0 [ 23.196803] poly_init+0x16c/0x1d0 [ 23.200309] poly_genkey+0x422/0x590 [ 23.203991] chachapoly_encrypt+0x418/0x620 [ 23.208283] aead_recvmsg+0x1295/0x1bc0 [ 23.212235] ? aead_release+0x50/0x50 [ 23.216002] ? selinux_socket_recvmsg+0x36/0x40 [ 23.220639] ? security_socket_recvmsg+0x91/0xc0 [ 23.225358] ? aead_release+0x50/0x50 [ 23.229123] sock_recvmsg+0xc9/0x110 [ 23.232801] ? __sock_recv_wifi_status+0x210/0x210 [ 23.237694] ___sys_recvmsg+0x29b/0x630 [ 23.241636] ? ___sys_sendmsg+0x8a0/0x8a0 [ 23.245758] ? rcu_note_context_switch+0x710/0x710 [ 23.250655] ? fget_raw+0x20/0x20 [ 23.254076] ? __sys_sendmmsg+0x1e6/0x5f0 [ 23.258187] ? __sys_sendmmsg+0x3f0/0x5f0 [ 23.262301] ? SyS_sendmsg+0x50/0x50 [ 23.265981] ? __fdget+0x18/0x20 [ 23.269313] __sys_recvmsg+0xe2/0x210 [ 23.273075] ? __sys_recvmsg+0xe2/0x210 [ 23.277017] ? SyS_sendmmsg+0x60/0x60 [ 23.280788] ? __do_page_fault+0xc90/0xc90 [ 23.284987] ? SyS_setsockopt+0x215/0x360 [ 23.289108] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.294093] SyS_recvmsg+0x2d/0x50 [ 23.297599] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.302320] RIP: 0033:0x43ffa9 [ 23.305473] RSP: 002b:00007ffd7ead68a8 EFLAGS: 00000207 ORIG_RAX: 000000000000002f [ 23.313143] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043ffa9 [ 23.320378] RDX: 0000000000000020 RSI: 00000000201f5000 RDI: 0000000000000004 [ 23.327612] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 23.334847] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401910 [ 23.342083] R13: 00000000004019a0 R14: 0000000000000000 R15: 0000000000000000 [ 23.349330] Code: 00 fc ff df 48 c1 e9 03 80 3c 11 00 0f 85 7a 09 00 00 48 8d 78 08 48 ba 00 00 00 00 00 fc ff df 49 89 45 20 48 89 f9 48 c1 e9 03 <0f> b6 14 11 84 d2 74 09 80 fa 03 0f 8e 3e 09 00 00 4c 89 f9 8b [ 23.368389] RIP: blkcipher_walk_done+0x300/0xde0 RSP: ffff8801c48474a0 [ 23.375079] ---[ end trace 35870fc9c7955a9b ]--- [ 23.379829] Kernel panic - not syncing: Fatal exception [ 23.385619] Dumping ftrace buffer: [ 23.389131] (ftrace buffer empty) [ 23.392805] Kernel Offset: disabled [ 23.396398] Rebooting in 86400 seconds..