[....] Starting enhanced syslogd: rsyslogd[ 10.960202] audit: type=1400 audit(1514658469.210:5): avc: denied { syslog } for pid=3041 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: [ 16.040559] audit: type=1400 audit(1514658474.290:6): avc: denied { map } for pid=3182 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 '10.128.0.60' (ECDSA) to the list of known hosts. executing program [ 36.684261] audit: type=1400 audit(1514658494.934:7): avc: denied { map } for pid=3201 comm="syzkaller867995" path="/root/syzkaller867995792" 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 [ 36.686324] WARNING: CPU: 1 PID: 3201 at kernel/bpf/verifier.c:2460 adjust_ptr_min_max_vals+0x5d8/0x1880 [ 36.686335] Kernel panic - not syncing: panic_on_warn set ... [ 36.686335] [ 36.686340] CPU: 1 PID: 3201 Comm: syzkaller867995 Not tainted 4.15.0-rc5+ #170 [ 36.686342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.686344] Call Trace: [ 36.686351] dump_stack+0x194/0x257 [ 36.686359] ? arch_local_irq_restore+0x53/0x53 [ 36.686369] ? vsnprintf+0x1ed/0x1900 [ 36.686379] panic+0x1e4/0x41c [ 36.686384] ? refcount_error_report+0x214/0x214 [ 36.686390] ? show_regs_print_info+0x18/0x18 [ 36.686401] ? __warn+0x1c1/0x200 [ 36.686409] ? adjust_ptr_min_max_vals+0x5d8/0x1880 [ 36.686413] __warn+0x1dc/0x200 [ 36.686418] ? adjust_ptr_min_max_vals+0x5d8/0x1880 [ 36.686425] report_bug+0x211/0x2d0 [ 36.686437] fixup_bug.part.11+0x37/0x80 [ 36.686443] do_error_trap+0x2d7/0x3e0 [ 36.686450] ? unwind_get_return_address+0x61/0xa0 [ 36.686456] ? math_error+0x400/0x400 [ 36.686466] ? depot_save_stack+0x12c/0x490 [ 36.686478] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.686488] do_invalid_op+0x1b/0x20 [ 36.686494] invalid_op+0x22/0x40 [ 36.686498] RIP: 0010:adjust_ptr_min_max_vals+0x5d8/0x1880 [ 36.686500] RSP: 0018:ffff8801c8516f80 EFLAGS: 00010293 [ 36.686505] RAX: ffff8801c673e440 RBX: ffff8801c60c5200 RCX: ffffffff817eb248 [ 36.686507] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90000002049 [ 36.686510] RBP: ffff8801c8517018 R08: ffff8801c60c5250 R09: ffffffff854fa6e0 [ 36.686513] R10: 0000000000000071 R11: ffffffff854f9a80 R12: ffff8801c60c5250 [ 36.686515] R13: ffff8801c60c5200 R14: ffffc90000002048 R15: ffff8801c60c5200 [ 36.686529] ? adjust_ptr_min_max_vals+0x5d8/0x1880 [ 36.686554] adjust_reg_min_max_vals+0xc3a/0x2d20 [ 36.686566] ? check_func_arg+0xa50/0xa50 [ 36.686581] ? free_verifier_state+0x130/0x130 [ 36.686585] ? mark_map_regs+0x2e0/0x2e0 [ 36.686590] ? mark_reg_read+0x36e/0x530 [ 36.686605] do_check+0x1d99/0xa050 [ 36.686610] ? bpf_check+0x3289/0x58c0 [ 36.686627] ? debug_check_no_obj_freed+0x3da/0xf1f [ 36.686639] ? check_mem_access+0x2760/0x2760 [ 36.686651] ? free_obj_work+0x690/0x690 [ 36.686661] ? __lock_is_held+0xb6/0x140 [ 36.686671] ? free_verifier_state+0x130/0x130 [ 36.686678] ? mark_held_locks+0xaf/0x100 [ 36.686685] ? kfree+0xf0/0x260 [ 36.686689] ? bpf_check+0x3289/0x58c0 [ 36.686694] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.686705] bpf_check+0x3296/0x58c0 [ 36.686710] ? pvclock_read_flags+0x160/0x160 [ 36.686726] ? do_check+0xa050/0xa050 [ 36.686738] ? do_gettimeofday+0x190/0x190 [ 36.686744] ? __might_sleep+0x95/0x190 [ 36.686750] ? memset+0x31/0x40 [ 36.686758] ? bpf_obj_name_cpy+0x199/0x1f0 [ 36.686762] ? kasan_check_write+0x14/0x20 [ 36.686771] bpf_prog_load+0xa2a/0x1b00 [ 36.686780] ? bpf_prog_new_fd+0x50/0x50 [ 36.686789] ? avc_has_perm+0x4fb/0x680 [ 36.686795] ? avc_has_perm+0x43e/0x680 [ 36.686804] ? avc_has_perm_noaudit+0x520/0x520 [ 36.686814] ? __might_fault+0x110/0x1d0 [ 36.686820] ? lock_downgrade+0x980/0x980 [ 36.686830] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 36.686837] ? __check_object_size+0x25d/0x4f0 [ 36.686843] ? lru_cache_add_file+0x20/0x20 [ 36.686854] ? __might_sleep+0x95/0x190 [ 36.686862] ? selinux_bpf+0xc3/0x110 [ 36.686868] ? security_bpf+0x89/0xb0 [ 36.686876] SyS_bpf+0x1044/0x4420 [ 36.686887] ? bpf_prog_get+0x20/0x20 [ 36.686894] ? lock_release+0xa40/0xa40 [ 36.686905] ? do_raw_spin_trylock+0x190/0x190 [ 36.686919] ? _raw_spin_unlock+0x22/0x30 [ 36.686924] ? __handle_mm_fault+0x80e/0x3ce0 [ 36.686934] ? check_noncircular+0x20/0x20 [ 36.686937] ? __pmd_alloc+0x4e0/0x4e0 [ 36.686942] ? vma_link+0xe9/0x170 [ 36.686951] ? find_held_lock+0x35/0x1d0 [ 36.686963] ? handle_mm_fault+0x248/0x8d0 [ 36.686971] ? find_held_lock+0x35/0x1d0 [ 36.686984] ? __do_page_fault+0x5f7/0xc90 [ 36.686989] ? lock_downgrade+0x980/0x980 [ 36.687004] ? handle_mm_fault+0x410/0x8d0 [ 36.687007] ? down_read_trylock+0xdb/0x170 [ 36.687011] ? __do_page_fault+0x32d/0xc90 [ 36.687017] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 36.687020] ? vmacache_find+0x5f/0x280 [ 36.687031] ? up_read+0x1a/0x40 [ 36.687036] ? __do_page_fault+0x3d6/0xc90 [ 36.687048] ? mm_fault_error+0x2c0/0x2c0 [ 36.687062] ? do_page_fault+0xee/0x720 [ 36.687068] ? fget_raw+0x20/0x20 [ 36.687073] ? __do_page_fault+0xc90/0xc90 [ 36.687086] ? SyS_mmap_pgoff+0x243/0x5f0 [ 36.687100] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.687111] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 36.687115] RIP: 0033:0x43fe29 [ 36.687117] RSP: 002b:00007ffe5d62ae58 EFLAGS: 00000286 ORIG_RAX: 0000000000000141 [ 36.687121] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fe29 [ 36.687124] RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000005 [ 36.687126] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 36.687128] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000401790 [ 36.687130] R13: 0000000000401820 R14: 0000000000000000 R15: 0000000000000000 [ 36.710866] Dumping ftrace buffer: [ 36.710936] (ftrace buffer empty) [ 36.710939] Kernel Offset: disabled [ 37.206408] Rebooting in 86400 seconds..