[....] Starting enhanced syslogd: rsyslogd[ 10.386093] audit: type=1400 audit(1514652888.517:5): avc: denied { syslog } for pid=2989 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 12.670049] audit: type=1400 audit(1514652890.801:6): avc: denied { map } for pid=3127 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 [ 18.785901] audit: type=1400 audit(1514652896.917:7): avc: denied { map } for pid=3142 comm="syzkaller294551" path="/root/syzkaller294551588" 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 [ 18.788537] WARNING: CPU: 1 PID: 3142 at kernel/bpf/verifier.c:2359 adjust_ptr_min_max_vals+0x977/0x20a0 [ 18.788551] Kernel panic - not syncing: panic_on_warn set ... [ 18.788551] [ 18.788559] CPU: 1 PID: 3142 Comm: syzkaller294551 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 18.788563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.788565] Call Trace: [ 18.788575] dump_stack+0x194/0x257 [ 18.788587] ? arch_local_irq_restore+0x53/0x53 [ 18.788602] ? vsnprintf+0x1ed/0x1900 [ 18.788617] panic+0x1e4/0x41c [ 18.788626] ? refcount_error_report+0x214/0x214 [ 18.788634] ? show_regs_print_info+0x18/0x18 [ 18.788652] ? __warn+0x1c1/0x200 [ 18.788665] ? adjust_ptr_min_max_vals+0x977/0x20a0 [ 18.788672] __warn+0x1dc/0x200 [ 18.788678] ? copy_verifier_state+0x3f0/0x590 [ 18.788685] ? adjust_ptr_min_max_vals+0x977/0x20a0 [ 18.788696] report_bug+0x211/0x2d0 [ 18.788713] fixup_bug.part.11+0x37/0x80 [ 18.788724] do_error_trap+0x2d7/0x3e0 [ 18.788733] ? print_irqtrace_events+0x270/0x270 [ 18.788743] ? math_error+0x400/0x400 [ 18.788771] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 18.788787] do_invalid_op+0x1b/0x20 [ 18.788794] invalid_op+0x22/0x40 [ 18.788801] RIP: 0010:adjust_ptr_min_max_vals+0x977/0x20a0 [ 18.788805] RSP: 0018:ffff8801c8647198 EFLAGS: 00010293 [ 18.788811] RAX: ffff8801ca4ac6c0 RBX: ffff8801c80f2d80 RCX: ffffffff817eebb7 [ 18.788816] RDX: 0000000000000000 RSI: ffffc9000170c048 RDI: ffffc9000170c049 [ 18.788820] RBP: ffff8801c8647228 R08: 0000000000000001 R09: ffffffff858fa920 [ 18.788824] R10: 0000000000000071 R11: ffffffff858f9d00 R12: 0000000000000000 [ 18.788828] R13: 0000000000000001 R14: ffffc9000170c048 R15: ffff8801c9b76040 [ 18.788852] ? adjust_ptr_min_max_vals+0x977/0x20a0 [ 18.788868] ? adjust_ptr_min_max_vals+0x977/0x20a0 [ 18.788875] ? mark_reg_read+0x36e/0x530 [ 18.788901] do_check+0x5de3/0xae20 [ 18.788927] ? kfree+0xd6/0x260 [ 18.788934] ? bpf_prog_load+0x951/0x1b00 [ 18.788953] ? check_mem_access+0x28c0/0x28c0 [ 18.788962] ? check_noncircular+0x20/0x20 [ 18.788972] ? print_irqtrace_events+0x270/0x270 [ 18.788987] ? free_obj_work+0x690/0x690 [ 18.789006] ? __lock_is_held+0xb6/0x140 [ 18.789030] ? mark_held_locks+0xaf/0x100 [ 18.789039] ? kfree+0xf0/0x260 [ 18.789045] ? bpf_check+0x2b0e/0x49f0 [ 18.789054] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 18.789073] bpf_check+0x2b1b/0x49f0 [ 18.789082] ? ktime_get_with_offset+0x2c1/0x420 [ 18.789105] ? do_check+0xae20/0xae20 [ 18.789112] ? memset+0x31/0x40 [ 18.789123] ? bpf_obj_name_cpy+0x199/0x1f0 [ 18.789128] ? kasan_check_write+0x14/0x20 [ 18.789143] bpf_prog_load+0xa2a/0x1b00 [ 18.789158] ? bpf_prog_new_fd+0x50/0x50 [ 18.789170] ? avc_has_perm+0x4fb/0x680 [ 18.789178] ? avc_has_perm+0x43e/0x680 [ 18.789192] ? avc_has_perm_noaudit+0x520/0x520 [ 18.789206] ? __might_fault+0x110/0x1d0 [ 18.789216] ? lock_downgrade+0x980/0x980 [ 18.789233] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 18.789241] ? __check_object_size+0x25d/0x4f0 [ 18.789247] ? lru_cache_add_file+0x20/0x20 [ 18.789264] ? __might_sleep+0x95/0x190 [ 18.789278] ? selinux_bpf+0xc3/0x110 [ 18.789287] ? security_bpf+0x89/0xb0 [ 18.789301] SyS_bpf+0x1044/0x4420 [ 18.789318] ? bpf_prog_get+0x20/0x20 [ 18.789331] ? lock_release+0xa40/0xa40 [ 18.789347] ? do_raw_spin_trylock+0x190/0x190 [ 18.789368] ? _raw_spin_unlock+0x22/0x30 [ 18.789377] ? __handle_mm_fault+0x80e/0x3ce0 [ 18.789392] ? check_noncircular+0x20/0x20 [ 18.789398] ? __pmd_alloc+0x4e0/0x4e0 [ 18.789404] ? vma_link+0xe9/0x170 [ 18.789422] ? find_held_lock+0x35/0x1d0 [ 18.789441] ? handle_mm_fault+0x2a0/0x930 [ 18.789454] ? find_held_lock+0x35/0x1d0 [ 18.789475] ? __do_page_fault+0x5f7/0xc90 [ 18.789484] ? lock_downgrade+0x980/0x980 [ 18.789504] ? handle_mm_fault+0x476/0x930 [ 18.789510] ? down_read_trylock+0xdb/0x170 [ 18.789521] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 18.789526] ? vmacache_find+0x5f/0x280 [ 18.789545] ? up_read+0x1a/0x40 [ 18.789554] ? __do_page_fault+0x3d6/0xc90 [ 18.789573] ? mm_fault_error+0x2c0/0x2c0 [ 18.789597] ? do_page_fault+0xee/0x720 [ 18.789604] ? fget_raw+0x20/0x20 [ 18.789613] ? __do_page_fault+0xc90/0xc90 [ 18.789636] ? SyS_mmap_pgoff+0x243/0x5f0 [ 18.789658] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 18.789677] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 18.789682] RIP: 0033:0x43fe19 [ 18.789685] RSP: 002b:00007ffce538aa58 EFLAGS: 00000286 ORIG_RAX: 0000000000000141 [ 18.789692] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fe19 [ 18.789696] RDX: 0000000000000048 RSI: 000000002000a000 RDI: 0000000000000005 [ 18.789700] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 18.789703] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000401780 [ 18.789707] R13: 0000000000401810 R14: 0000000000000000 R15: 0000000000000000 [ 18.812197] Dumping ftrace buffer: [ 18.812255] (ftrace buffer empty) [ 18.812257] Kernel Offset: disabled [ 19.282642] Rebooting in 86400 seconds..