[....] Starting enhanced syslogd: rsyslogd[ 12.169232] audit: type=1400 audit(1514736664.502:5): avc: denied { syslog } for pid=3346 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: [ 18.719928] audit: type=1400 audit(1514736671.053:6): avc: denied { map } for pid=3485 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 '10.128.15.202' (ECDSA) to the list of known hosts. [ 24.845617] audit: type=1400 audit(1514736677.179:7): avc: denied { map } for pid=3499 comm="syzkaller303311" path="/root/syzkaller303311018" 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 [ 24.848045] WARNING: CPU: 0 PID: 3499 at drivers/staging/android/ion/ion-ioctl.c:73 ion_ioctl+0x2db/0x380 [ 24.848050] Kernel panic - not syncing: panic_on_warn set ... [ 24.848050] [ 24.848056] CPU: 0 PID: 3499 Comm: syzkaller303311 Not tainted 4.15.0-rc5+ #154 [ 24.848060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.848063] Call Trace: [ 24.848073] dump_stack+0x194/0x257 [ 24.848085] ? arch_local_irq_restore+0x53/0x53 [ 24.848100] ? vsnprintf+0x1ed/0x1900 [ 24.848116] panic+0x1e4/0x41c [ 24.848124] ? refcount_error_report+0x214/0x214 [ 24.848132] ? show_regs_print_info+0x18/0x18 [ 24.848143] ? avc_ss_reset+0x110/0x110 [ 24.848155] ? __warn+0x1c1/0x200 [ 24.848168] ? ion_ioctl+0x2db/0x380 [ 24.848174] __warn+0x1dc/0x200 [ 24.848181] ? ion_ioctl+0x2db/0x380 [ 24.848193] report_bug+0x211/0x2d0 [ 24.848209] fixup_bug.part.11+0x37/0x80 [ 24.848219] do_error_trap+0x2d7/0x3e0 [ 24.848234] ? math_error+0x400/0x400 [ 24.848243] ? __might_fault+0x110/0x1d0 [ 24.848253] ? lock_downgrade+0x980/0x980 [ 24.848271] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.848286] do_invalid_op+0x1b/0x20 [ 24.848293] invalid_op+0x22/0x40 [ 24.848300] RIP: 0010:ion_ioctl+0x2db/0x380 [ 24.848304] RSP: 0018:ffff8801bf81fca8 EFLAGS: 00010293 [ 24.848310] RAX: ffff8801bfab0740 RBX: 0000000000000018 RCX: ffffffff8410f0fb [ 24.848314] RDX: 0000000000000000 RSI: 0000000020002018 RDI: ffff8801bf81fcdc [ 24.848318] RBP: ffff8801bf81fd40 R08: 0000000000000000 R09: ffffed0037f03f9e [ 24.848322] R10: 0000000000000003 R11: ffffed0037f03f9d R12: 1ffff10037f03f97 [ 24.848326] R13: 00000000c0184908 R14: ffff8801bf81fd18 R15: dffffc0000000000 [ 24.848345] ? ion_ioctl+0x2db/0x380 [ 24.848359] ? ion_ioctl+0x2db/0x380 [ 24.848370] ? ion_query_heaps+0x490/0x490 [ 24.848384] ? security_file_ioctl+0x7d/0xb0 [ 24.848391] ? security_file_ioctl+0x89/0xb0 [ 24.848408] compat_SyS_ioctl+0x151/0x2a30 [ 24.848416] ? do_fast_syscall_32+0x156/0xf9d [ 24.848422] ? ion_query_heaps+0x490/0x490 [ 24.848433] ? do_ioctl+0x60/0x60 [ 24.848442] do_fast_syscall_32+0x3ee/0xf9d [ 24.848460] ? do_int80_syscall_32+0x9d0/0x9d0 [ 24.848469] ? kasan_check_read+0x11/0x20 [ 24.848480] ? syscall_return_slowpath+0x550/0x550 [ 24.848490] ? SyS_rt_sigaction+0x94/0x1b0 [ 24.848500] ? SyS_sigprocmask+0x4b0/0x4b0 [ 24.848507] ? SyS_read+0x184/0x220 [ 24.848515] ? sysret32_from_system_call+0x5/0x3b [ 24.848531] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.848549] entry_SYSENTER_compat+0x54/0x63 [ 24.848554] RIP: 0023:0xf7fe0c79 [ 24.848558] RSP: 002b:00000000ffce62ac EFLAGS: 00000217 ORIG_RAX: 0000000000000036 [ 24.848564] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000c0184908 [ 24.848569] RDX: 0000000020002000 RSI: 0000000000000172 RDI: 00000000ffffffff [ 24.848572] RBP: 0000000020001fc8 R08: 0000000000000000 R09: 0000000000000000 [ 24.848576] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 24.848579] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 24.871901] Dumping ftrace buffer: [ 24.871953] (ftrace buffer empty) [ 24.871955] Kernel Offset: disabled [ 25.169609] Rebooting in 86400 seconds..