[....] Starting enhanced syslogd: rsyslogd[ 10.455334] audit: type=1400 audit(1514612621.271:5): avc: denied { syslog } for pid=2997 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: [ 12.487429] audit: type=1400 audit(1514612623.303:6): 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 '10.128.15.240' (ECDSA) to the list of known hosts. executing program [ 30.391711] audit: type=1400 audit(1514612641.207:7): avc: denied { map } for pid=3153 comm="syzkaller222102" path="/root/syzkaller222102152" 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 [ 30.393630] WARNING: CPU: 1 PID: 3153 at kernel/bpf/verifier.c:2359 adjust_ptr_min_max_vals+0x977/0x20a0 [ 30.393640] Kernel panic - not syncing: panic_on_warn set ... [ 30.393640] [ 30.393646] CPU: 1 PID: 3153 Comm: syzkaller222102 Not tainted 4.15.0-rc4-mm1+ #49 [ 30.393648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.393650] Call Trace: [ 30.393657] dump_stack+0x194/0x257 [ 30.393665] ? arch_local_irq_restore+0x53/0x53 [ 30.393675] ? vsnprintf+0x1ed/0x1900 [ 30.393685] panic+0x1e4/0x41c [ 30.393691] ? refcount_error_report+0x214/0x214 [ 30.393697] ? show_regs_print_info+0x18/0x18 [ 30.393708] ? __warn+0x1c1/0x200 [ 30.393716] ? adjust_ptr_min_max_vals+0x977/0x20a0 [ 30.393726] __warn+0x1dc/0x200 [ 30.393730] ? copy_verifier_state+0x3f0/0x590 [ 30.393734] ? adjust_ptr_min_max_vals+0x977/0x20a0 [ 30.393741] report_bug+0x211/0x2d0 [ 30.393754] fixup_bug.part.11+0x37/0x80 [ 30.393760] do_error_trap+0x2d7/0x3e0 [ 30.393768] ? print_irqtrace_events+0x270/0x270 [ 30.393774] ? math_error+0x400/0x400 [ 30.393792] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.393802] do_invalid_op+0x1b/0x20 [ 30.393808] invalid_op+0x22/0x40 [ 30.393812] RIP: 0010:adjust_ptr_min_max_vals+0x977/0x20a0 [ 30.393815] RSP: 0018:ffff8801d2d77198 EFLAGS: 00010293 [ 30.393819] RAX: ffff8801c9d981c0 RBX: ffff8801c85d2a00 RCX: ffffffff817eec77 [ 30.393822] RDX: 0000000000000000 RSI: ffffc9000173c048 RDI: ffffc9000173c049 [ 30.393825] RBP: ffff8801d2d77228 R08: 0000000000000001 R09: ffffffff858fa920 [ 30.393827] R10: 0000000000000071 R11: ffffffff858f9d00 R12: 0000000000000000 [ 30.393830] R13: 0000000000000001 R14: ffffc9000173c048 R15: ffff8801c8490d80 [ 30.393841] ? adjust_ptr_min_max_vals+0x977/0x20a0 [ 30.393851] ? adjust_ptr_min_max_vals+0x977/0x20a0 [ 30.393855] ? mark_reg_read+0x36e/0x530 [ 30.393871] do_check+0x5de3/0xae20 [ 30.393888] ? kfree+0xd6/0x260 [ 30.393892] ? bpf_prog_load+0x991/0x1b00 [ 30.393903] ? check_mem_access+0x28c0/0x28c0 [ 30.393910] ? check_noncircular+0x20/0x20 [ 30.393916] ? print_irqtrace_events+0x270/0x270 [ 30.393926] ? free_obj_work+0x690/0x690 [ 30.393935] ? __lock_is_held+0xb6/0x140 [ 30.393949] ? mark_held_locks+0xaf/0x100 [ 30.393954] ? kfree+0xf0/0x260 [ 30.393959] ? bpf_check+0x2b0e/0x49f0 [ 30.393964] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.393975] bpf_check+0x2b1b/0x49f0 [ 30.393981] ? ktime_get_with_offset+0x2c1/0x420 [ 30.393995] ? do_check+0xae20/0xae20 [ 30.394000] ? memset+0x31/0x40 [ 30.394009] ? bpf_obj_name_cpy+0x199/0x1f0 [ 30.394013] ? kasan_check_write+0x14/0x20 [ 30.394022] bpf_prog_load+0xa2a/0x1b00 [ 30.394031] ? bpf_prog_new_fd+0x50/0x50 [ 30.394040] ? avc_has_perm+0x4fb/0x680 [ 30.394047] ? avc_has_perm+0x43e/0x680 [ 30.394057] ? avc_has_perm_noaudit+0x520/0x520 [ 30.394067] ? __might_fault+0x110/0x1d0 [ 30.394073] ? lock_downgrade+0x980/0x980 [ 30.394084] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 30.394090] ? __check_object_size+0x25d/0x4f0 [ 30.394094] ? lru_cache_add_file+0x20/0x20 [ 30.394104] ? __might_sleep+0x95/0x190 [ 30.394113] ? selinux_bpf+0xc3/0x110 [ 30.394119] ? security_bpf+0x89/0xb0 [ 30.394127] SyS_bpf+0x1044/0x4420 [ 30.394137] ? bpf_prog_get+0x20/0x20 [ 30.394145] ? lock_release+0xa40/0xa40 [ 30.394155] ? do_raw_spin_trylock+0x190/0x190 [ 30.394170] ? _raw_spin_unlock+0x22/0x30 [ 30.394175] ? __handle_mm_fault+0x80e/0x3ce0 [ 30.394185] ? check_noncircular+0x20/0x20 [ 30.394188] ? __pmd_alloc+0x4e0/0x4e0 [ 30.394192] ? vma_link+0xe9/0x170 [ 30.394203] ? find_held_lock+0x35/0x1d0 [ 30.394214] ? handle_mm_fault+0x2a0/0x930 [ 30.394222] ? find_held_lock+0x35/0x1d0 [ 30.394237] ? __do_page_fault+0x5f7/0xc90 [ 30.394243] ? lock_downgrade+0x980/0x980 [ 30.394255] ? handle_mm_fault+0x476/0x930 [ 30.394259] ? down_read_trylock+0xdb/0x170 [ 30.394265] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 30.394269] ? vmacache_find+0x5f/0x280 [ 30.394281] ? up_read+0x1a/0x40 [ 30.394288] ? __do_page_fault+0x3d6/0xc90 [ 30.394305] ? mm_fault_error+0x2c0/0x2c0 [ 30.394319] ? do_page_fault+0xee/0x720 [ 30.394324] ? fget_raw+0x20/0x20 [ 30.394329] ? __do_page_fault+0xc90/0xc90 [ 30.394343] ? SyS_mmap_pgoff+0x243/0x5f0 [ 30.394357] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.394368] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 30.394371] RIP: 0033:0x43fe19 [ 30.394373] RSP: 002b:00007ffca3423568 EFLAGS: 00000286 ORIG_RAX: 0000000000000141 [ 30.394378] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fe19 [ 30.394380] RDX: 0000000000000048 RSI: 000000002000a000 RDI: 0000000000000005 [ 30.394383] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 30.394385] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000401780 [ 30.394387] R13: 0000000000401810 R14: 0000000000000000 R15: 0000000000000000 [ 30.417590] Dumping ftrace buffer: [ 30.417732] (ftrace buffer empty) [ 30.417737] Kernel Offset: disabled [ 30.887689] Rebooting in 86400 seconds..