[....] Starting enhanced syslogd: rsyslogd[ 10.874205] audit: type=1400 audit(1514681404.143:5): avc: denied { syslog } for pid=3037 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: [ 16.148276] audit: type=1400 audit(1514681409.416:6): avc: denied { map } for pid=3179 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 '10.128.15.247' (ECDSA) to the list of known hosts. executing program [ 26.590372] audit: type=1400 audit(1514681419.859:7): avc: denied { map } for pid=3194 comm="syzkaller544834" path="/root/syzkaller544834855" 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 [ 26.592312] WARNING: CPU: 1 PID: 3194 at kernel/bpf/verifier.c:1878 adjust_ptr_min_max_vals+0x58c/0x1820 [ 26.592323] Kernel panic - not syncing: panic_on_warn set ... [ 26.592323] [ 26.592328] CPU: 1 PID: 3194 Comm: syzkaller544834 Not tainted 4.15.0-rc5+ #242 [ 26.592331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.592333] Call Trace: [ 26.592342] dump_stack+0x194/0x257 [ 26.592350] ? arch_local_irq_restore+0x53/0x53 [ 26.592359] ? vsnprintf+0x1ed/0x1900 [ 26.592370] panic+0x1e4/0x41c [ 26.592375] ? refcount_error_report+0x214/0x214 [ 26.592380] ? show_regs_print_info+0x18/0x18 [ 26.592392] ? __warn+0x1c1/0x200 [ 26.592400] ? adjust_ptr_min_max_vals+0x58c/0x1820 [ 26.592404] __warn+0x1dc/0x200 [ 26.592409] ? adjust_ptr_min_max_vals+0x58c/0x1820 [ 26.592416] report_bug+0x211/0x2d0 [ 26.592434] fixup_bug.part.11+0x37/0x80 [ 26.592440] do_error_trap+0x2d7/0x3e0 [ 26.592447] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 26.592454] ? math_error+0x400/0x400 [ 26.592462] ? check_noncircular+0x20/0x20 [ 26.592468] ? print_irqtrace_events+0x270/0x270 [ 26.592473] ? verbose+0x1ab/0x590 [ 26.592480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.592491] do_invalid_op+0x1b/0x20 [ 26.592496] invalid_op+0x22/0x40 [ 26.592501] RIP: 0010:adjust_ptr_min_max_vals+0x58c/0x1820 [ 26.592503] RSP: 0018:ffff8801c7b0f118 EFLAGS: 00010293 [ 26.592508] RAX: ffff8801c7a40580 RBX: ffff8801c7819200 RCX: ffffffff817e5fdc [ 26.592510] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90000002049 [ 26.592513] RBP: ffff8801c7b0f1b0 R08: 0000000000000000 R09: ffffffff858f9ae0 [ 26.592516] R10: 000000000000006f R11: 0000000000000000 R12: ffff8801c7819250 [ 26.592518] R13: ffff8801c7819200 R14: ffffc90000002048 R15: ffff8801c7819200 [ 26.592530] ? adjust_ptr_min_max_vals+0x58c/0x1820 [ 26.592540] ? adjust_ptr_min_max_vals+0x58c/0x1820 [ 26.592558] do_check+0x6f09/0xa4a0 [ 26.592566] ? __kernel_text_address+0xd/0x40 [ 26.592590] ? check_mem_access+0x1d20/0x1d20 [ 26.592595] ? save_stack+0x43/0xd0 [ 26.592599] ? kfree+0xd6/0x260 [ 26.592602] ? bpf_check+0x1f18/0x2770 [ 26.592605] ? bpf_prog_load+0xa15/0x1ab0 [ 26.592608] ? SyS_bpf+0x1044/0x4420 [ 26.592612] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 26.592621] ? debug_check_no_obj_freed+0x3da/0xf1f [ 26.592625] ? print_irqtrace_events+0x270/0x270 [ 26.592648] ? __lock_is_held+0xb6/0x140 [ 26.592664] ? selinux_capable+0x36/0x40 [ 26.592672] ? security_capable+0x8e/0xc0 [ 26.592685] bpf_check+0x1f62/0x2770 [ 26.592688] ? bpf_check+0x1f62/0x2770 [ 26.592693] ? ktime_get_with_offset+0x2c1/0x420 [ 26.592707] ? do_check+0xa4a0/0xa4a0 [ 26.592711] ? memset+0x31/0x40 [ 26.592719] ? bpf_obj_name_cpy+0x199/0x1f0 [ 26.592722] ? kasan_check_write+0x14/0x20 [ 26.592732] bpf_prog_load+0xa15/0x1ab0 [ 26.592741] ? bpf_prog_new_fd+0x50/0x50 [ 26.592748] ? avc_has_perm+0x4fb/0x680 [ 26.592753] ? avc_has_perm+0x43e/0x680 [ 26.592762] ? avc_has_perm_noaudit+0x520/0x520 [ 26.592773] ? __might_fault+0x110/0x1d0 [ 26.592778] ? lock_downgrade+0x980/0x980 [ 26.592790] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 26.592797] ? __check_object_size+0x25d/0x4f0 [ 26.592803] ? lru_cache_add_file+0x20/0x20 [ 26.592813] ? __might_sleep+0x95/0x190 [ 26.592822] ? selinux_bpf+0xc3/0x110 [ 26.592828] ? security_bpf+0x89/0xb0 [ 26.592836] SyS_bpf+0x1044/0x4420 [ 26.592847] ? bpf_prog_get+0x20/0x20 [ 26.592855] ? lock_release+0xa40/0xa40 [ 26.592866] ? do_raw_spin_trylock+0x190/0x190 [ 26.592883] ? _raw_spin_unlock+0x22/0x30 [ 26.592889] ? __handle_mm_fault+0x80e/0x3ce0 [ 26.592899] ? check_noncircular+0x20/0x20 [ 26.592902] ? __pmd_alloc+0x4e0/0x4e0 [ 26.592907] ? vma_link+0xe9/0x170 [ 26.592917] ? find_held_lock+0x35/0x1d0 [ 26.592928] ? handle_mm_fault+0x248/0x8d0 [ 26.592936] ? find_held_lock+0x35/0x1d0 [ 26.592950] ? __do_page_fault+0x5f7/0xc90 [ 26.592956] ? lock_downgrade+0x980/0x980 [ 26.592968] ? handle_mm_fault+0x410/0x8d0 [ 26.592972] ? down_read_trylock+0xdb/0x170 [ 26.592976] ? __do_page_fault+0x32d/0xc90 [ 26.592982] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 26.592987] ? vmacache_find+0x5f/0x280 [ 26.592998] ? up_read+0x1a/0x40 [ 26.593006] ? __do_page_fault+0x3d6/0xc90 [ 26.593018] ? mm_fault_error+0x2c0/0x2c0 [ 26.593033] ? do_page_fault+0xee/0x720 [ 26.593038] ? fget_raw+0x20/0x20 [ 26.593044] ? __do_page_fault+0xc90/0xc90 [ 26.593057] ? SyS_mmap_pgoff+0x243/0x5f0 [ 26.593071] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 26.593082] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 26.593086] RIP: 0033:0x43fe29 [ 26.593088] RSP: 002b:00007fff644a3168 EFLAGS: 00000286 ORIG_RAX: 0000000000000141 [ 26.593093] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fe29 [ 26.593095] RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000005 [ 26.593097] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 26.593100] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000401790 [ 26.593102] R13: 0000000000401820 R14: 0000000000000000 R15: 0000000000000000 [ 26.616271] Dumping ftrace buffer: [ 26.616411] (ftrace buffer empty) [ 26.616416] Kernel Offset: disabled [ 27.106845] Rebooting in 86400 seconds..