[....] Starting enhanced syslogd: rsyslogd[ 12.702832] audit: type=1400 audit(1515605259.694:5): avc: denied { syslog } for pid=3343 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: [ 19.071749] audit: type=1400 audit(1515605266.063:6): avc: denied { map } for pid=3483 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 '10.128.0.20' (ECDSA) to the list of known hosts. executing program [ 25.262447] audit: type=1400 audit(1515605272.254:7): avc: denied { map } for pid=3497 comm="syzkaller106510" path="/root/syzkaller106510777" 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 [ 25.289165] audit: type=1400 audit(1515605272.254:8): avc: denied { prog_load } for pid=3497 comm="syzkaller106510" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 25.312381] audit: type=1400 audit(1515605272.304:9): avc: denied { prog_run } for pid=3497 comm="syzkaller106510" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 25.312729] ------------[ cut here ]------------ [ 25.312739] unknown opcode cc [ 25.312787] WARNING: CPU: 0 PID: 3497 at kernel/bpf/core.c:1283 ___bpf_prog_run+0x492a/0x5eb0 [ 25.312791] Kernel panic - not syncing: panic_on_warn set ... [ 25.312791] [ 25.312796] CPU: 0 PID: 3497 Comm: syzkaller106510 Not tainted 4.15.0-rc7+ #166 [ 25.312798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.312800] Call Trace: [ 25.312808] dump_stack+0x194/0x257 [ 25.312817] ? arch_local_irq_restore+0x53/0x53 [ 25.312827] ? vsnprintf+0x1ed/0x1900 [ 25.312837] panic+0x1e4/0x41c [ 25.312842] ? refcount_error_report+0x214/0x214 [ 25.312849] ? show_regs_print_info+0x18/0x18 [ 25.312860] ? __warn+0x1c1/0x200 [ 25.312869] ? ___bpf_prog_run+0x492a/0x5eb0 [ 25.312873] __warn+0x1dc/0x200 [ 25.312879] ? ___bpf_prog_run+0x492a/0x5eb0 [ 25.312887] report_bug+0x211/0x2d0 [ 25.312899] fixup_bug.part.11+0x37/0x80 [ 25.312906] do_error_trap+0x2d7/0x3e0 [ 25.312919] ? math_error+0x400/0x400 [ 25.312923] ? vprintk_emit+0x3ea/0x590 [ 25.312942] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.312951] do_invalid_op+0x1b/0x20 [ 25.312959] invalid_op+0x22/0x40 [ 25.312963] RIP: 0010:___bpf_prog_run+0x492a/0x5eb0 [ 25.312966] RSP: 0018:ffff8801c0226e50 EFLAGS: 00010286 [ 25.312970] RAX: dffffc0000000008 RBX: 1ffff10038044dd5 RCX: ffffffff8159da9e [ 25.312973] RDX: 0000000000000000 RSI: ffff8801c00c8da0 RDI: 0000000000000293 [ 25.312976] RBP: ffff8801c0226f50 R08: 1ffff10038044d5d R09: 0000000000000000 [ 25.312978] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 25.312981] R13: ffffc90000002048 R14: 00000000000000cc R15: 0000000000000000 [ 25.312993] ? vprintk_func+0x5e/0xc0 [ 25.313013] ? bpf_jit_compile+0x30/0x30 [ 25.313022] ? refcount_inc_not_zero+0xfe/0x180 [ 25.313031] ? check_noncircular+0x20/0x20 [ 25.313044] __bpf_prog_run32+0xce/0x130 [ 25.313050] ? __bpf_prog_run64+0x130/0x130 [ 25.313059] ? lock_release+0xa40/0xa40 [ 25.313067] ? __lock_is_held+0xb6/0x140 [ 25.313085] sk_filter_trim_cap+0x33c/0x9c0 [ 25.313095] ? sk_skb_is_valid_access+0x140/0x140 [ 25.313106] ? netlink_skb_destructor+0x1d0/0x1d0 [ 25.313116] ? rtnl_fill_vf+0x480/0x480 [ 25.313126] netlink_unicast+0x1b9/0x700 [ 25.313129] ? lock_release+0xa40/0xa40 [ 25.313139] ? netlink_attachskb+0x8a0/0x8a0 [ 25.313154] rtnl_stats_get+0x7bb/0xa10 [ 25.313168] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1ca0/0x1ca0 [ 25.313174] ? rtnetlink_rcv_msg+0x625/0x1020 [ 25.313180] ? lock_downgrade+0x980/0x980 [ 25.313188] ? lock_release+0xa40/0xa40 [ 25.313197] ? __lock_is_held+0xb6/0x140 [ 25.313210] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1ca0/0x1ca0 [ 25.313216] rtnetlink_rcv_msg+0x733/0x1020 [ 25.313228] ? validate_linkmsg+0x8e0/0x8e0 [ 25.313236] ? check_noncircular+0x20/0x20 [ 25.313246] ? find_held_lock+0x35/0x1d0 [ 25.313257] ? netlink_lookup+0x5f7/0xa90 [ 25.313263] ? lock_downgrade+0x980/0x980 [ 25.313271] ? find_held_lock+0x35/0x1d0 [ 25.313284] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1ca0/0x1ca0 [ 25.313287] ? netlink_deliver_tap+0x148/0xcf0 [ 25.313293] ? lock_downgrade+0x980/0x980 [ 25.313301] ? lock_release+0xa40/0xa40 [ 25.313305] ? netlink_lookup+0x620/0xa90 [ 25.313317] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1ca0/0x1ca0 [ 25.313329] ? netlink_deliver_tap+0x171/0xcf0 [ 25.313341] netlink_rcv_skb+0x224/0x470 [ 25.313346] ? validate_linkmsg+0x8e0/0x8e0 [ 25.313353] ? netlink_ack+0xa10/0xa10 [ 25.313361] ? netlink_skb_destructor+0x1d0/0x1d0 [ 25.313373] rtnetlink_rcv+0x1c/0x20 [ 25.313379] netlink_unicast+0x4ee/0x700 [ 25.313389] ? netlink_attachskb+0x8a0/0x8a0 [ 25.313399] ? security_netlink_send+0x81/0xb0 [ 25.313407] netlink_sendmsg+0xa4a/0xe60 [ 25.313419] ? netlink_unicast+0x700/0x700 [ 25.313428] ? security_socket_sendmsg+0x89/0xb0 [ 25.313433] ? netlink_unicast+0x700/0x700 [ 25.313440] sock_sendmsg+0xca/0x110 [ 25.313448] sock_write_iter+0x31a/0x5d0 [ 25.313455] ? sock_sendmsg+0x110/0x110 [ 25.313470] ? iov_iter_init+0xaf/0x1d0 [ 25.313480] __vfs_write+0x684/0x970 [ 25.313489] ? kernel_read+0x120/0x120 [ 25.313493] ? bpf_fd_pass+0x280/0x280 [ 25.313502] ? _cond_resched+0x14/0x30 [ 25.313512] ? selinux_file_permission+0x82/0x460 [ 25.313526] ? rw_verify_area+0xe5/0x2b0 [ 25.313530] ? __fdget_raw+0x20/0x20 [ 25.313538] vfs_write+0x189/0x510 [ 25.313548] SyS_write+0xef/0x220 [ 25.313553] ? __do_page_fault+0x3d6/0xc90 [ 25.313561] ? SyS_read+0x220/0x220 [ 25.313568] ? do_fast_syscall_32+0x156/0xf9d [ 25.313576] ? SyS_read+0x220/0x220 [ 25.313582] do_fast_syscall_32+0x3ee/0xf9d [ 25.313593] ? do_int80_syscall_32+0x9d0/0x9d0 [ 25.313600] ? kasan_check_read+0x11/0x20 [ 25.313607] ? syscall_return_slowpath+0x550/0x550 [ 25.313615] ? SyS_rt_sigaction+0x94/0x1b0 [ 25.313621] ? SyS_sigprocmask+0x4b0/0x4b0 [ 25.313625] ? SyS_read+0x184/0x220 [ 25.313630] ? retint_user+0x18/0x18 [ 25.313640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.313651] entry_SYSENTER_compat+0x54/0x63 [ 25.313655] RIP: 0023:0xf7f8cc79 [ 25.313657] RSP: 002b:00000000ffe7ae9c EFLAGS: 00000282 ORIG_RAX: 0000000000000004 [ 25.313662] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020fd3000 [ 25.313664] RDX: 0000000000000026 RSI: 00000000080ea00c RDI: 000000000000003f [ 25.313666] RBP: 0000000000001000 R08: 0000000000000000 R09: 0000000000000000 [ 25.313668] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 25.313671] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 25.334786] Dumping ftrace buffer: [ 25.334872] (ftrace buffer empty) [ 25.334874] Kernel Offset: disabled [ 25.872812] Rebooting in 86400 seconds..