[ 40.211488][ T26] audit: type=1800 audit(1556020940.399:25): pid=7597 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 40.248760][ T26] audit: type=1800 audit(1556020940.409:26): pid=7597 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 40.296229][ T26] audit: type=1800 audit(1556020940.409:27): pid=7597 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] startpar: service(s) returned failure: rsyslog ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.148' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 48.926168][ T7780] ------------[ cut here ]------------ [ 48.935081][ T7780] memory commitment underflow [ 48.935395][ T7780] WARNING: CPU: 0 PID: 7780 at mm/util.c:657 __vm_enough_memory+0x47b/0x5a0 [ 48.948736][ T7780] Kernel panic - not syncing: panic_on_warn set ... [ 48.955305][ T7780] CPU: 0 PID: 7780 Comm: syz-executor611 Not tainted 5.1.0-rc6 #80 [ 48.963176][ T7780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.973239][ T7780] Call Trace: [ 48.976547][ T7780] dump_stack+0x172/0x1f0 [ 48.980864][ T7780] ? __vm_enough_memory+0x3d0/0x5a0 [ 48.986062][ T7780] panic+0x2cb/0x65c [ 48.989942][ T7780] ? __warn_printk+0xf3/0xf3 [ 48.994514][ T7780] ? __vm_enough_memory+0x47b/0x5a0 [ 48.999700][ T7780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.005926][ T7780] ? __warn.cold+0x5/0x45 [ 49.010238][ T7780] ? __warn+0xe8/0x1d0 [ 49.014302][ T7780] ? __vm_enough_memory+0x47b/0x5a0 [ 49.019497][ T7780] __warn.cold+0x20/0x45 [ 49.023741][ T7780] ? vprintk_emit+0x1ce/0x6d0 [ 49.028399][ T7780] ? __vm_enough_memory+0x47b/0x5a0 [ 49.033606][ T7780] report_bug+0x263/0x2b0 [ 49.037956][ T7780] do_error_trap+0x11b/0x200 [ 49.042528][ T7780] do_invalid_op+0x37/0x50 [ 49.046923][ T7780] ? __vm_enough_memory+0x47b/0x5a0 [ 49.052112][ T7780] invalid_op+0x14/0x20 [ 49.056250][ T7780] RIP: 0010:__vm_enough_memory+0x47b/0x5a0 [ 49.062036][ T7780] Code: e8 aa 79 da ff 0f b6 75 d0 40 84 f6 0f 85 50 fc ff ff e8 58 78 da ff 48 c7 c7 60 7c 72 87 c6 05 2f 73 c4 07 01 e8 03 26 ad ff <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 0f b6 14 [ 49.081721][ T7780] RSP: 0018:ffff8880988efa60 EFLAGS: 00010282 [ 49.087803][ T7780] RAX: 0000000000000000 RBX: fff8000000000000 RCX: 0000000000000000 [ 49.095772][ T7780] RDX: 0000000000000000 RSI: ffffffff815afcf6 RDI: ffffed101311df3e [ 49.103728][ T7780] RBP: ffff8880988efa98 R08: ffff888096e94000 R09: ffff888096e948c8 [ 49.111697][ T7780] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 49.119652][ T7780] R13: ffff88808f9a7900 R14: ffffffff88a2a580 R15: 0000000000000c67 [ 49.127632][ T7780] ? vprintk_func+0x86/0x189 [ 49.132249][ T7780] security_vm_enough_memory_mm+0xa0/0xd0 [ 49.137974][ T7780] __shmem_file_setup.part.0+0x194/0x2b0 [ 49.143619][ T7780] shmem_file_setup+0x66/0x90 [ 49.148320][ T7780] ashmem_mmap+0x35f/0x520 [ 49.152747][ T7780] mmap_region+0xc3a/0x1770 [ 49.157266][ T7780] ? __x64_sys_brk+0x760/0x760 [ 49.162023][ T7780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.168252][ T7780] ? get_unmapped_area+0x295/0x3b0 [ 49.173349][ T7780] do_mmap+0x8e2/0x1080 [ 49.177503][ T7780] vm_mmap_pgoff+0x1c5/0x230 [ 49.182096][ T7780] ? vma_is_stack_for_current+0xd0/0xd0 [ 49.187647][ T7780] ? ksys_dup3+0x3e0/0x3e0 [ 49.192092][ T7780] ksys_mmap_pgoff+0x4aa/0x630 [ 49.196890][ T7780] ? find_mergeable_anon_vma+0x2e0/0x2e0 [ 49.202510][ T7780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.208754][ T7780] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.214300][ T7780] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.219780][ T7780] ? do_syscall_64+0x26/0x610 [ 49.224463][ T7780] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.230536][ T7780] __x64_sys_mmap+0xe9/0x1b0 [ 49.235111][ T7780] do_syscall_64+0x103/0x610 [ 49.239705][ T7780] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.245612][ T7780] RIP: 0033:0x441289 [ 49.249503][ T7780] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.269117][ T7780] RSP: 002b:00007fff8b8469f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 49.277531][ T7780] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441289 [ 49.285499][ T7780] RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000000020ffc000 [ 49.293456][ T7780] RBP: 00000000006cb018 R08: 0000000000000003 R09: 0000000000000000 [ 49.301424][ T7780] R10: 0080000000000012 R11: 0000000000000246 R12: 0000000000402000 [ 49.309398][ T7780] R13: 0000000000402090 R14: 0000000000000000 R15: 0000000000000000 [ 49.318366][ T7780] Kernel Offset: disabled [ 49.322769][ T7780] Rebooting in 86400 seconds..