[....] Starting enhanced syslogd: rsyslogd[ 11.381563] audit: type=1400 audit(1514518102.938:5): avc: denied { syslog } for pid=3000 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: [ 15.650833] audit: type=1400 audit(1514518107.207:6): avc: denied { map } for pid=3140 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 '10.128.15.199' (ECDSA) to the list of known hosts. executing program [ 21.804795] audit: type=1400 audit(1514518113.361:7): avc: denied { map } for pid=3156 comm="syzkaller282511" path="/root/syzkaller282511996" 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 [ 21.822639] kasan: CONFIG_KASAN_INLINE enabled [ 21.822651] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 21.822662] general protection fault: 0000 [#1] SMP KASAN [ 21.822666] Dumping ftrace buffer: [ 21.822668] (ftrace buffer empty) [ 21.822670] Modules linked in: [ 21.822676] CPU: 1 PID: 3156 Comm: syzkaller282511 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 21.822678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.822688] RIP: 0010:skcipher_walk_done+0x278/0xcb0 [ 21.822690] RSP: 0018:ffff8801c92df4e0 EFLAGS: 00010202 [ 21.822694] RAX: 0000000000000000 RBX: 0000000000000020 RCX: 0000000000000001 [ 21.822696] RDX: dffffc0000000000 RSI: 0000000000000007 RDI: 0000000000000008 [ 21.822699] RBP: ffff8801c92df530 R08: 0000000000000000 R09: 0000000000000000 [ 21.822701] R10: 0000000000000010 R11: 0000000000000010 R12: ffff8801c92df5c0 [ 21.822703] R13: 0000000000000020 R14: ffff8801c92df5e0 R15: ffff8801c92df5a0 [ 21.822707] FS: 000000000250f880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 21.822709] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.822711] CR2: 0000000020f91f80 CR3: 00000001ca6d0003 CR4: 00000000001606e0 [ 21.822716] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.822719] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.822720] Call Trace: [ 21.822731] ctr_crypt+0x1b5/0x450 [ 21.822736] ? kernel_fpu_end+0xe/0x20 [ 21.822741] ? sha512_finup+0x300/0x580 [ 21.822747] ? aesni_xts_enc8+0x40/0x40 [ 21.822762] ? shash_async_update+0x20/0x20 [ 21.822772] simd_skcipher_decrypt+0x1f3/0x2d0 [ 21.822775] ? simd_skcipher_decrypt+0x1f3/0x2d0 [ 21.822784] poly_tail_continue+0x42a/0x6b0 [ 21.822787] ? crypto_ahash_op+0xc4/0x140 [ 21.822794] poly_tail+0x40f/0x520 [ 21.822800] poly_cipherpad+0x33e/0x470 [ 21.822807] poly_cipher+0x303/0x440 [ 21.822813] poly_adpad+0x347/0x480 [ 21.822819] poly_ad+0x25c/0x300 [ 21.822824] poly_setkey+0x2fc/0x3e0 [ 21.822830] poly_init+0x16c/0x1d0 [ 21.822834] poly_genkey+0x422/0x590 [ 21.822840] chachapoly_decrypt+0x73/0x90 [ 21.822847] aead_recvmsg+0x154a/0x1cf0 [ 21.822861] ? aead_release+0x50/0x50 [ 21.822867] ? selinux_socket_recvmsg+0x36/0x40 [ 21.822873] ? security_socket_recvmsg+0x91/0xc0 [ 21.822879] ? aead_release+0x50/0x50 [ 21.822884] sock_recvmsg+0xc9/0x110 [ 21.822889] ? __sock_recv_wifi_status+0x210/0x210 [ 21.822894] ___sys_recvmsg+0x2a4/0x640 [ 21.822903] ? ___sys_sendmsg+0x8b0/0x8b0 [ 21.822911] ? __do_page_fault+0x5f7/0xc90 [ 21.822916] ? lock_downgrade+0x980/0x980 [ 21.822924] ? __fget_light+0x297/0x380 [ 21.822929] ? fget_raw+0x20/0x20 [ 21.822934] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 21.822937] ? vmacache_find+0x5f/0x280 [ 21.822945] ? up_read+0x1a/0x40 [ 21.822949] ? __do_page_fault+0x3d6/0xc90 [ 21.822953] ? SYSC_accept4+0x4ff/0x870 [ 21.822960] ? __fdget+0x18/0x20 [ 21.822967] __sys_recvmsg+0xe2/0x210 [ 21.822970] ? __sys_recvmsg+0xe2/0x210 [ 21.822976] ? SyS_sendmmsg+0x60/0x60 [ 21.822981] ? __do_page_fault+0xc90/0xc90 [ 21.822987] ? SyS_setsockopt+0x215/0x360 [ 21.822997] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 21.823008] SyS_recvmsg+0x2d/0x50 [ 21.823014] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 21.823017] RIP: 0033:0x43ff19 [ 21.823019] RSP: 002b:00007ffe6900baf8 EFLAGS: 00000213 ORIG_RAX: 000000000000002f [ 21.823023] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043ff19 [ 21.823025] RDX: 0000000040000060 RSI: 00000000205f4fc8 RDI: 0000000000000004 [ 21.823027] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 21.823030] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000401880 [ 21.823032] R13: 0000000000401910 R14: 0000000000000000 R15: 0000000000000000 [ 21.823041] Code: 00 fc ff df 48 c1 e9 03 80 3c 11 00 0f 85 f1 08 00 00 48 8d 78 08 48 ba 00 00 00 00 00 fc ff df 49 89 47 20 48 89 f9 48 c1 e9 03 <0f> b6 14 11 84 d2 74 09 80 fa 03 0f 8e b5 08 00 00 48 8b 55 d0 [ 21.823111] RIP: skcipher_walk_done+0x278/0xcb0 RSP: ffff8801c92df4e0 [ 21.823140] ---[ end trace 26c33d9e9cdf9efd ]--- [ 21.823142] Kernel panic - not syncing: Fatal exception [ 21.831366] Dumping ftrace buffer: [ 21.831368] (ftrace buffer empty) [ 21.831370] Kernel Offset: disabled [ 22.240433] Rebooting in 86400 seconds..