[....] Starting enhanced syslogd: rsyslogd[ 11.665046] audit: type=1400 audit(1514622698.812:5): avc: denied { syslog } for pid=3040 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: [ 16.739613] audit: type=1400 audit(1514622703.887:6): avc: denied { map } for pid=3180 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 '10.128.15.213' (ECDSA) to the list of known hosts. [ 35.236993] audit: type=1400 audit(1514622722.384:7): avc: denied { map } for pid=3198 comm="syzkaller975469" path="/root/syzkaller975469205" 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 [ 35.238817] WARNING: CPU: 1 PID: 3198 at kernel/bpf/verifier.c:2460 adjust_ptr_min_max_vals+0x5d8/0x1880 [ 35.238827] Kernel panic - not syncing: panic_on_warn set ... [ 35.238827] [ 35.238833] CPU: 1 PID: 3198 Comm: syzkaller975469 Not tainted 4.15.0-rc5+ #170 [ 35.238835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.238837] Call Trace: [ 35.238845] dump_stack+0x194/0x257 [ 35.238853] ? arch_local_irq_restore+0x53/0x53 [ 35.238863] ? vsnprintf+0x1ed/0x1900 [ 35.238873] panic+0x1e4/0x41c [ 35.238878] ? refcount_error_report+0x214/0x214 [ 35.238884] ? show_regs_print_info+0x18/0x18 [ 35.238895] ? __warn+0x1c1/0x200 [ 35.238903] ? adjust_ptr_min_max_vals+0x5d8/0x1880 [ 35.238907] __warn+0x1dc/0x200 [ 35.238912] ? adjust_ptr_min_max_vals+0x5d8/0x1880 [ 35.238919] report_bug+0x211/0x2d0 [ 35.238935] fixup_bug.part.11+0x37/0x80 [ 35.238941] do_error_trap+0x2d7/0x3e0 [ 35.238948] ? unwind_get_return_address+0x61/0xa0 [ 35.238955] ? math_error+0x400/0x400 [ 35.238964] ? depot_save_stack+0x12c/0x490 [ 35.238979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.238990] do_invalid_op+0x1b/0x20 [ 35.238995] invalid_op+0x22/0x40 [ 35.238999] RIP: 0010:adjust_ptr_min_max_vals+0x5d8/0x1880 [ 35.239005] RSP: 0018:ffff8801c6ce6f80 EFLAGS: 00010293 [ 35.239010] RAX: ffff8801c76a2580 RBX: ffff8801c757fb50 RCX: ffffffff817eb248 [ 35.239012] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffc9000173c049 [ 35.239015] RBP: ffff8801c6ce7018 R08: ffff8801c757fb00 R09: ffffffff854fa6e0 [ 35.239017] R10: 0000000000000071 R11: ffffffff854f9a80 R12: ffff8801c757fb50 [ 35.239020] R13: ffff8801c757fb00 R14: ffffc9000173c048 R15: ffff8801c757fb00 [ 35.239032] ? adjust_ptr_min_max_vals+0x5d8/0x1880 [ 35.239056] adjust_reg_min_max_vals+0xa71/0x2d20 [ 35.239069] ? check_func_arg+0xa50/0xa50 [ 35.239084] ? free_verifier_state+0x130/0x130 [ 35.239088] ? do_check+0x59a/0xa050 [ 35.239093] ? mark_reg_read+0x36e/0x530 [ 35.239109] do_check+0x1d99/0xa050 [ 35.239113] ? bpf_check+0x3289/0x58c0 [ 35.239130] ? debug_check_no_obj_freed+0x3da/0xf1f [ 35.239143] ? check_mem_access+0x2760/0x2760 [ 35.239150] ? free_obj_work+0x690/0x690 [ 35.239161] ? __lock_is_held+0xb6/0x140 [ 35.239171] ? free_verifier_state+0x130/0x130 [ 35.239178] ? mark_held_locks+0xaf/0x100 [ 35.239186] ? kfree+0xf0/0x260 [ 35.239190] ? bpf_check+0x3289/0x58c0 [ 35.239195] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.239206] bpf_check+0x3296/0x58c0 [ 35.239211] ? pvclock_read_flags+0x160/0x160 [ 35.239227] ? do_check+0xa050/0xa050 [ 35.239239] ? do_gettimeofday+0x190/0x190 [ 35.239246] ? __might_sleep+0x95/0x190 [ 35.239252] ? memset+0x31/0x40 [ 35.239260] ? bpf_obj_name_cpy+0x199/0x1f0 [ 35.239264] ? kasan_check_write+0x14/0x20 [ 35.239273] bpf_prog_load+0xa2a/0x1b00 [ 35.239282] ? bpf_prog_new_fd+0x50/0x50 [ 35.239292] ? avc_has_perm+0x4fb/0x680 [ 35.239297] ? avc_has_perm+0x43e/0x680 [ 35.239307] ? avc_has_perm_noaudit+0x520/0x520 [ 35.239317] ? __might_fault+0x110/0x1d0 [ 35.239323] ? lock_downgrade+0x980/0x980 [ 35.239333] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 35.239340] ? __check_object_size+0x25d/0x4f0 [ 35.239346] ? lru_cache_add_file+0x20/0x20 [ 35.239357] ? __might_sleep+0x95/0x190 [ 35.239365] ? selinux_bpf+0xc3/0x110 [ 35.239372] ? security_bpf+0x89/0xb0 [ 35.239380] SyS_bpf+0x1044/0x4420 [ 35.239390] ? bpf_prog_get+0x20/0x20 [ 35.239398] ? lock_release+0xa40/0xa40 [ 35.239408] ? do_raw_spin_trylock+0x190/0x190 [ 35.239423] ? _raw_spin_unlock+0x22/0x30 [ 35.239428] ? __handle_mm_fault+0x80e/0x3ce0 [ 35.239437] ? check_noncircular+0x20/0x20 [ 35.239441] ? __pmd_alloc+0x4e0/0x4e0 [ 35.239446] ? vma_link+0xe9/0x170 [ 35.239455] ? find_held_lock+0x35/0x1d0 [ 35.239467] ? handle_mm_fault+0x248/0x8d0 [ 35.239474] ? find_held_lock+0x35/0x1d0 [ 35.239487] ? __do_page_fault+0x5f7/0xc90 [ 35.239493] ? lock_downgrade+0x980/0x980 [ 35.239505] ? handle_mm_fault+0x410/0x8d0 [ 35.239508] ? down_read_trylock+0xdb/0x170 [ 35.239512] ? __do_page_fault+0x32d/0xc90 [ 35.239518] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 35.239521] ? vmacache_find+0x5f/0x280 [ 35.239532] ? up_read+0x1a/0x40 [ 35.239537] ? __do_page_fault+0x3d6/0xc90 [ 35.239549] ? mm_fault_error+0x2c0/0x2c0 [ 35.239563] ? do_page_fault+0xee/0x720 [ 35.239569] ? fget_raw+0x20/0x20 [ 35.239574] ? __do_page_fault+0xc90/0xc90 [ 35.239587] ? SyS_mmap_pgoff+0x243/0x5f0 [ 35.239601] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.239613] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 35.239616] RIP: 0033:0x43fe19 [ 35.239618] RSP: 002b:00007ffe82dd55b8 EFLAGS: 00000286 ORIG_RAX: 0000000000000141 [ 35.239623] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fe19 [ 35.239625] RDX: 0000000000000048 RSI: 000000002000a000 RDI: 0000000000000005 [ 35.239627] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 35.239630] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000401780 [ 35.239632] R13: 0000000000401810 R14: 0000000000000000 R15: 0000000000000000 [ 35.263205] Dumping ftrace buffer: [ 35.263248] (ftrace buffer empty) [ 35.263251] Kernel Offset: disabled [ 35.753917] Rebooting in 86400 seconds..