[?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. [ 18.390752] audit: type=1400 audit(1520364703.998:6): avc: denied { map } for pid=4218 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.7' (ECDSA) to the list of known hosts. syzkaller login: [ 24.678271] audit: type=1400 audit(1520364710.286:7): avc: denied { map } for pid=4232 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/03/06 19:31:50 parsed 1 programs 2018/03/06 19:31:50 executed programs: 0 [ 24.927443] audit: type=1400 audit(1520364710.535:8): avc: denied { map } for pid=4232 comm="syz-execprog" path="/root/syzkaller-shm336605523" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 24.959628] IPVS: ftp: loaded support on port[0] = 21 [ 24.991495] WARNING: CPU: 0 PID: 4241 at mm/slab_common.c:1012 kmalloc_slab+0x5d/0x70 [ 24.999476] Kernel panic - not syncing: panic_on_warn set ... [ 24.999476] [ 25.006818] CPU: 0 PID: 4241 Comm: syz-executor0 Not tainted 4.16.0-rc4+ #253 [ 25.014059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.023380] Call Trace: [ 25.025942] dump_stack+0x194/0x24d [ 25.029547] ? arch_local_irq_restore+0x53/0x53 [ 25.034190] ? vsnprintf+0x1ed/0x1900 [ 25.037967] panic+0x1e4/0x41c [ 25.041136] ? refcount_error_report+0x214/0x214 [ 25.045870] ? show_regs_print_info+0x18/0x18 [ 25.050343] ? __warn+0x1c1/0x200 [ 25.053772] ? kmalloc_slab+0x5d/0x70 [ 25.057547] __warn+0x1dc/0x200 [ 25.060806] ? kmalloc_slab+0x5d/0x70 [ 25.064583] report_bug+0x211/0x2d0 [ 25.068186] fixup_bug.part.11+0x37/0x80 [ 25.072217] do_error_trap+0x2d7/0x3e0 [ 25.076079] ? math_error+0x400/0x400 [ 25.079851] ? __radix_tree_lookup+0x435/0x5e0 [ 25.084413] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.089231] do_invalid_op+0x1b/0x20 [ 25.092916] invalid_op+0x1b/0x40 [ 25.096340] RIP: 0010:kmalloc_slab+0x5d/0x70 [ 25.100717] RSP: 0018:ffff8801b36d7920 EFLAGS: 00010246 [ 25.106049] RAX: 0000000000000000 RBX: fffffffffffffff4 RCX: ffffffff819733cb [ 25.113289] RDX: ffffffff8423372f RSI: 0000000000000000 RDI: 000000003efef4b4 [ 25.120535] RBP: ffff8801b36d7920 R08: 0000000000000000 R09: 0000000000000000 [ 25.127792] R10: ffffffff88613380 R11: 0000000000000000 R12: 000000003efef4b4 [ 25.135047] R13: 0000000020000080 R14: 00000000014200c0 R15: ffff8801b36d7a18 [ 25.142303] ? memdup_user+0x1b/0x90 [ 25.145987] ? ucma_set_option+0x11f/0x4d0 [ 25.150201] __kmalloc_track_caller+0x21/0x760 [ 25.154763] ? ucma_set_option+0x11f/0x4d0 [ 25.158976] memdup_user+0x2c/0x90 [ 25.162489] ucma_set_option+0x11f/0x4d0 [ 25.166533] ? __might_sleep+0x95/0x190 [ 25.170480] ? ucma_set_ib_path.isra.14+0x850/0x850 [ 25.175472] ? kasan_check_write+0x14/0x20 [ 25.179679] ? _copy_from_user+0x99/0x110 [ 25.183800] ucma_write+0x2d6/0x3d0 [ 25.187399] ? ucma_set_ib_path.isra.14+0x850/0x850 [ 25.192394] ? ucma_resolve_route+0x1a0/0x1a0 [ 25.196867] ? ucma_resolve_route+0x1a0/0x1a0 [ 25.201331] __vfs_write+0xef/0x970 [ 25.204929] ? rcu_note_context_switch+0x710/0x710 [ 25.209830] ? kernel_read+0x120/0x120 [ 25.213688] ? __might_sleep+0x95/0x190 [ 25.217643] ? _cond_resched+0x14/0x30 [ 25.221504] ? __inode_security_revalidate+0xd9/0x130 [ 25.226667] ? avc_policy_seqno+0x9/0x20 [ 25.230700] ? selinux_file_permission+0x82/0x460 [ 25.235525] ? security_file_permission+0x89/0x1e0 [ 25.240427] ? rw_verify_area+0xe5/0x2b0 [ 25.244457] ? __fdget_raw+0x20/0x20 [ 25.248158] vfs_write+0x189/0x510 [ 25.251683] SyS_write+0xef/0x220 [ 25.255109] ? __do_page_fault+0x3d6/0xc90 [ 25.259315] ? SyS_read+0x220/0x220 [ 25.262915] ? do_fast_syscall_32+0x156/0xf9f [ 25.267383] ? SyS_read+0x220/0x220 [ 25.270983] do_fast_syscall_32+0x3ec/0xf9f [ 25.275284] ? do_int80_syscall_32+0x9c0/0x9c0 [ 25.279837] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.284567] ? syscall_return_slowpath+0x2ac/0x550 [ 25.289470] ? prepare_exit_to_usermode+0x350/0x350 [ 25.294465] ? sysret32_from_system_call+0x5/0x3c [ 25.299286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.304105] entry_SYSENTER_compat+0x70/0x7f [ 25.308487] RIP: 0023:0xf7f23c99 [ 25.311819] RSP: 002b:00000000ffeb243c EFLAGS: 00000282 ORIG_RAX: 0000000000000004 [ 25.319495] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000200000c0 [ 25.326734] RDX: 000000000000006b RSI: 0000000000000000 RDI: 0000000000000000 [ 25.333990] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 25.341232] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 25.348472] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 25.356248] Dumping ftrace buffer: [ 25.359847] (ftrace buffer empty) [ 25.363529] Kernel Offset: disabled [ 25.367126] Rebooting in 86400 seconds..