[ 11.529694] audit: type=1400 audit(1513311651.841:5): avc: denied { syslog } for pid=2992 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [....] Starting enhanced syslogd: rsyslogd[?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: [ 17.339563] audit: type=1400 audit(1513311657.651:6): avc: denied { map } for pid=3135 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-mmots-kasan-gce-2,10.128.15.194' (ECDSA) to the list of known hosts. executing program [ 23.609228] audit: type=1400 audit(1513311663.921:7): avc: denied { map } for pid=3149 comm="syzkaller289550" path="/root/syzkaller289550017" 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 [ 23.627399] kasan: CONFIG_KASAN_INLINE enabled [ 23.627416] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 23.627426] general protection fault: 0000 [#1] SMP KASAN [ 23.627431] Dumping ftrace buffer: [ 23.627434] (ftrace buffer empty) [ 23.627436] Modules linked in: [ 23.627445] CPU: 0 PID: 3149 Comm: syzkaller289550 Not tainted 4.15.0-rc2-mm1+ #39 [ 23.627448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.627460] RIP: 0010:scatterwalk_copychunks+0x337/0x480 [ 23.627463] RSP: 0018:ffff8801c4c172f0 EFLAGS: 00010202 [ 23.627468] RAX: 0000000000000000 RBX: 0000000000000029 RCX: ffffffff825056d9 [ 23.627472] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000008 [ 23.627475] RBP: ffff8801c4c17350 R08: ffffed0038a92386 R09: ffffed0038a92386 [ 23.627479] R10: 0000000000000003 R11: ffffed0038a92385 R12: 0000000000000029 [ 23.627482] R13: ffff8801c4c17660 R14: dffffc0000000000 R15: 0000000000000000 [ 23.627487] FS: 0000000000f6f880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 23.627491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.627495] CR2: 00000000208b4fb0 CR3: 00000001c52c5000 CR4: 00000000001406f0 [ 23.627501] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.627504] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.627506] Call Trace: [ 23.627515] ? check_noncircular+0x20/0x20 [ 23.627529] skcipher_walk_next+0x8db/0x1bd0 [ 23.627544] ? skcipher_walk_done+0xcb0/0xcb0 [ 23.627560] ? memcpy+0x45/0x50 [ 23.627570] skcipher_walk_first+0x138/0x400 [ 23.627580] ? rmd256_final+0x187/0x230 [ 23.627589] skcipher_walk_skcipher+0x519/0x6e0 [ 23.627597] skcipher_walk_virt+0x58/0xd0 [ 23.627606] chacha20_simd+0x167/0x410 [ 23.627613] ? crypto_shash_final+0xdb/0x1f0 [ 23.627619] ? rmd256_transform+0x20/0x1580 [ 23.627626] ? chacha20_dosimd+0x340/0x340 [ 23.627635] ? shash_finup_unaligned+0x47/0x60 [ 23.627643] ? crypto_hash_walk_done+0x124/0x410 [ 23.627653] ? shash_ahash_finup+0x1d9/0x270 [ 23.627676] poly_tail_continue+0x42a/0x6b0 [ 23.627682] ? poly_tail_continue+0x42a/0x6b0 [ 23.627688] ? crypto_ahash_op+0xc4/0x140 [ 23.627698] poly_tail+0x40f/0x520 [ 23.627708] poly_cipherpad+0x33e/0x470 [ 23.627718] poly_cipher+0x303/0x440 [ 23.627727] poly_adpad+0x347/0x480 [ 23.627737] poly_ad+0x25c/0x300 [ 23.627746] poly_setkey+0x2fc/0x3e0 [ 23.627755] poly_init+0x16c/0x1d0 [ 23.627764] poly_genkey+0x422/0x590 [ 23.627774] chachapoly_decrypt+0x73/0x90 [ 23.627781] aead_recvmsg+0x14a7/0x1bc0 [ 23.627802] ? aead_release+0x50/0x50 [ 23.627811] ? selinux_socket_recvmsg+0x36/0x40 [ 23.627822] ? security_socket_recvmsg+0x91/0xc0 [ 23.627830] ? aead_release+0x50/0x50 [ 23.627838] sock_recvmsg+0xc9/0x110 [ 23.627844] ? __sock_recv_wifi_status+0x210/0x210 [ 23.627851] ___sys_recvmsg+0x29b/0x630 [ 23.627863] ? ___sys_sendmsg+0x8a0/0x8a0 [ 23.627887] ? vmacache_find+0x5f/0x280 [ 23.627899] ? up_read+0x1a/0x40 [ 23.627907] ? __do_page_fault+0x3d6/0xc90 [ 23.627914] ? fd_install+0x4d/0x60 [ 23.627926] ? __fdget+0x18/0x20 [ 23.627936] __sys_recvmsg+0xe2/0x210 [ 23.627941] ? __sys_recvmsg+0xe2/0x210 [ 23.627948] ? SyS_sendmmsg+0x60/0x60 [ 23.627956] ? __do_page_fault+0xc90/0xc90 [ 23.627966] ? SyS_setsockopt+0x215/0x360 [ 23.627981] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.627991] SyS_recvmsg+0x2d/0x50 [ 23.628005] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.628010] RIP: 0033:0x43ffa9 [ 23.628013] RSP: 002b:00007fffbf80d8c8 EFLAGS: 00000207 ORIG_RAX: 000000000000002f [ 23.628019] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043ffa9 [ 23.628023] RDX: 0000000000012163 RSI: 0000000020d63fc8 RDI: 0000000000000004 [ 23.628026] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 23.628030] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401910 [ 23.628033] R13: 00000000004019a0 R14: 0000000000000000 R15: 0000000000000000 [ 23.628047] Code: 89 ff e8 2d 6c 2a 00 4c 89 ea 49 89 c7 48 c1 ea 03 42 80 3c 32 00 0f 85 c9 00 00 00 49 8d 7f 08 4d 89 7d 00 48 89 fa 48 c1 ea 03 <42> 0f b6 14 32 84 d2 74 09 80 fa 03 0f 8e 9e 00 00 00 48 8b 45 [ 23.628160] RIP: scatterwalk_copychunks+0x337/0x480 RSP: ffff8801c4c172f0 [ 23.628185] ---[ end trace ac7029ffdffad114 ]--- [ 23.628189] Kernel panic - not syncing: Fatal exception [ 23.635504] Dumping ftrace buffer: [ 23.635507] (ftrace buffer empty) [ 23.635509] Kernel Offset: disabled [ 24.057724] Rebooting in 86400 seconds..