[....] Starting enhanced syslogd: rsyslogd[ 11.003934] audit: type=1400 audit(1514608181.275:5): avc: denied { syslog } for pid=3030 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: [ 13.499532] audit: type=1400 audit(1514608183.771:6): avc: denied { map } for pid=3169 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 '10.128.0.61' (ECDSA) to the list of known hosts. executing program [ 19.697348] audit: type=1400 audit(1514608189.969:7): avc: denied { map } for pid=3183 comm="syzkaller605840" path="/root/syzkaller605840648" 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 [ 19.699906] WARNING: CPU: 1 PID: 3183 at kernel/bpf/verifier.c:1878 adjust_ptr_min_max_vals+0x58c/0x1820 [ 19.699920] Kernel panic - not syncing: panic_on_warn set ... [ 19.699920] [ 19.699927] CPU: 1 PID: 3183 Comm: syzkaller605840 Not tainted 4.15.0-rc5+ #241 [ 19.699930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.699933] Call Trace: [ 19.699944] dump_stack+0x194/0x257 [ 19.699958] ? arch_local_irq_restore+0x53/0x53 [ 19.699974] ? vsnprintf+0x1ed/0x1900 [ 19.699989] panic+0x1e4/0x41c [ 19.699997] ? refcount_error_report+0x214/0x214 [ 19.700008] ? show_regs_print_info+0x18/0x18 [ 19.700026] ? __warn+0x1c1/0x200 [ 19.700039] ? adjust_ptr_min_max_vals+0x58c/0x1820 [ 19.700045] __warn+0x1dc/0x200 [ 19.700053] ? adjust_ptr_min_max_vals+0x58c/0x1820 [ 19.700065] report_bug+0x211/0x2d0 [ 19.700082] fixup_bug.part.11+0x37/0x80 [ 19.700092] do_error_trap+0x2d7/0x3e0 [ 19.700103] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 19.700114] ? math_error+0x400/0x400 [ 19.700125] ? check_noncircular+0x20/0x20 [ 19.700135] ? print_irqtrace_events+0x270/0x270 [ 19.700150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 19.700168] do_invalid_op+0x1b/0x20 [ 19.700175] invalid_op+0x22/0x40 [ 19.700181] RIP: 0010:adjust_ptr_min_max_vals+0x58c/0x1820 [ 19.700185] RSP: 0018:ffff8801c7f0f118 EFLAGS: 00010293 [ 19.700192] RAX: ffff8801ca5a8380 RBX: ffff8801c78ebb50 RCX: ffffffff817e5dfc [ 19.700196] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffc90000002049 [ 19.700200] RBP: ffff8801c7f0f1b0 R08: 0000000000000001 R09: ffffffff854f98e0 [ 19.700204] R10: 000000000000006f R11: 0000000000000000 R12: ffff8801c78ebb50 [ 19.700208] R13: ffff8801c78ebb00 R14: ffffc90000002048 R15: ffff8801c78ebb00 [ 19.700228] ? adjust_ptr_min_max_vals+0x58c/0x1820 [ 19.700243] ? adjust_ptr_min_max_vals+0x58c/0x1820 [ 19.700272] do_check+0x4d0f/0xa4a0 [ 19.700281] ? __kernel_text_address+0xd/0x40 [ 19.700320] ? check_mem_access+0x1d20/0x1d20 [ 19.700325] ? save_stack+0x43/0xd0 [ 19.700331] ? kfree+0xd6/0x260 [ 19.700337] ? bpf_check+0x1f18/0x2770 [ 19.700343] ? bpf_prog_load+0xa15/0x1ab0 [ 19.700349] ? SyS_bpf+0x1044/0x4420 [ 19.700355] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 19.700368] ? debug_check_no_obj_freed+0x3da/0xf1f [ 19.700374] ? print_irqtrace_events+0x270/0x270 [ 19.700412] ? __lock_is_held+0xb6/0x140 [ 19.700435] ? selinux_capable+0x36/0x40 [ 19.700448] ? security_capable+0x8e/0xc0 [ 19.700470] bpf_check+0x1f62/0x2770 [ 19.700475] ? bpf_check+0x1f62/0x2770 [ 19.700483] ? ktime_get_with_offset+0x2c1/0x420 [ 19.700506] ? do_check+0xa4a0/0xa4a0 [ 19.700513] ? memset+0x31/0x40 [ 19.700524] ? bpf_obj_name_cpy+0x199/0x1f0 [ 19.700529] ? kasan_check_write+0x14/0x20 [ 19.700545] bpf_prog_load+0xa15/0x1ab0 [ 19.700561] ? bpf_prog_new_fd+0x50/0x50 [ 19.700572] ? avc_has_perm+0x4fb/0x680 [ 19.700581] ? avc_has_perm+0x43e/0x680 [ 19.700596] ? avc_has_perm_noaudit+0x520/0x520 [ 19.700610] ? __might_fault+0x110/0x1d0 [ 19.700619] ? lock_downgrade+0x980/0x980 [ 19.700635] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 19.700645] ? __check_object_size+0x25d/0x4f0 [ 19.700652] ? lru_cache_add_file+0x20/0x20 [ 19.700669] ? __might_sleep+0x95/0x190 [ 19.700683] ? selinux_bpf+0xc3/0x110 [ 19.700697] ? security_bpf+0x89/0xb0 [ 19.700712] SyS_bpf+0x1044/0x4420 [ 19.700730] ? bpf_prog_get+0x20/0x20 [ 19.700743] ? lock_release+0xa40/0xa40 [ 19.700759] ? do_raw_spin_trylock+0x190/0x190 [ 19.700784] ? _raw_spin_unlock+0x22/0x30 [ 19.700792] ? __handle_mm_fault+0x80e/0x3ce0 [ 19.700808] ? check_noncircular+0x20/0x20 [ 19.700813] ? __pmd_alloc+0x4e0/0x4e0 [ 19.700821] ? vma_link+0xe9/0x170 [ 19.700837] ? find_held_lock+0x35/0x1d0 [ 19.700855] ? handle_mm_fault+0x248/0x8d0 [ 19.700868] ? find_held_lock+0x35/0x1d0 [ 19.700888] ? __do_page_fault+0x5f7/0xc90 [ 19.700898] ? lock_downgrade+0x980/0x980 [ 19.700918] ? handle_mm_fault+0x410/0x8d0 [ 19.700923] ? down_read_trylock+0xdb/0x170 [ 19.700929] ? __do_page_fault+0x32d/0xc90 [ 19.700939] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 19.700945] ? vmacache_find+0x5f/0x280 [ 19.700964] ? up_read+0x1a/0x40 [ 19.700972] ? __do_page_fault+0x3d6/0xc90 [ 19.700991] ? mm_fault_error+0x2c0/0x2c0 [ 19.701015] ? do_page_fault+0xee/0x720 [ 19.701023] ? fget_raw+0x20/0x20 [ 19.701032] ? __do_page_fault+0xc90/0xc90 [ 19.701053] ? SyS_mmap_pgoff+0x243/0x5f0 [ 19.701076] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 19.701094] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 19.701099] RIP: 0033:0x43fe19 [ 19.701103] RSP: 002b:00007fffe3da3298 EFLAGS: 00000286 ORIG_RAX: 0000000000000141 [ 19.701110] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fe19 [ 19.701114] RDX: 0000000000000048 RSI: 000000002000a000 RDI: 0000000000000005 [ 19.701117] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 19.701121] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000401780 [ 19.701125] R13: 0000000000401810 R14: 0000000000000000 R15: 0000000000000000 [ 19.723627] Dumping ftrace buffer: [ 19.723674] (ftrace buffer empty) [ 19.723677] Kernel Offset: disabled [ 20.210633] Rebooting in 86400 seconds..