Warning: Permanently added '10.128.0.101' (ECDSA) to the list of known hosts. [ 51.696588] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program executing program executing program executing program executing program [ 51.829405] audit: type=1400 audit(1555199278.083:36): avc: denied { map } for pid=7014 comm="syz-executor197" path="/root/syz-executor197557036" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program [ 51.865797] audit: type=1804 audit(1555199278.083:37): pid=7025 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor197" name="/root/bus" dev="sda1" ino=16484 res=1 [ 51.896310] audit: type=1804 audit(1555199278.153:38): pid=7027 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor197" name="/root/bus" dev="sda1" ino=16484 res=1 executing program executing program executing program executing program executing program executing program [ 51.921583] audit: type=1804 audit(1555199278.183:39): pid=7040 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor197" name="/root/bus" dev="sda1" ino=16484 res=1 [ 51.953829] audit: type=1804 audit(1555199278.183:40): pid=7042 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor197" name="/root/bus" dev="sda1" ino=16484 res=1 [ 51.978481] audit: type=1804 audit(1555199278.213:41): pid=7050 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor197" name="/root/bus" dev="sda1" ino=16484 res=1 [ 52.004753] audit: type=1804 audit(1555199278.213:42): pid=7049 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor197" name="/root/bus" dev="sda1" ino=16484 res=1 executing program [ 52.029647] audit: type=1804 audit(1555199278.213:43): pid=7048 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor197" name="/root/bus" dev="sda1" ino=16484 res=1 [ 52.055737] audit: type=1804 audit(1555199278.213:44): pid=7053 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor197" name="/root/bus" dev="sda1" ino=16484 res=1 [ 52.055789] ------------[ cut here ]------------ [ 52.078925] audit: type=1804 audit(1555199278.263:45): pid=7054 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor197" name="/root/bus" dev="sda1" ino=16484 res=1 [ 52.083931] WARNING: CPU: 1 PID: 7053 at fs/direct-io.c:293 dio_complete+0x671/0x800 [ 52.083937] Kernel panic - not syncing: panic_on_warn set ... [ 52.083937] [ 52.083944] CPU: 1 PID: 7053 Comm: syz-executor197 Not tainted 4.14.111 #1 [ 52.083947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.083950] Call Trace: [ 52.083963] dump_stack+0x138/0x19c [ 52.083971] panic+0x1f2/0x438 [ 52.083975] ? add_taint.cold+0x16/0x16 [ 52.083981] ? dio_complete+0x671/0x800 [ 52.083987] ? dio_complete+0x671/0x800 [ 52.083991] __warn.cold+0x2f/0x34 [ 52.083999] ? ist_end_non_atomic+0x10/0x10 [ 52.084003] ? dio_complete+0x671/0x800 [ 52.084007] report_bug+0x216/0x254 [ 52.084014] do_error_trap+0x1bb/0x310 [ 52.084019] ? math_error+0x360/0x360 [ 52.084027] ? pagecache_isize_extended+0x250/0x250 [ 52.084039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.084047] do_invalid_op+0x1b/0x20 [ 52.084056] invalid_op+0x1b/0x40 [ 52.084061] RIP: 0010:dio_complete+0x671/0x800 [ 52.084064] RSP: 0018:ffff88808470f1b8 EFLAGS: 00010297 [ 52.084070] RAX: ffff88807d326400 RBX: 0000000000008200 RCX: 1ffff110108e1e1c [ 52.084073] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff8880958db33c [ 52.084076] RBP: ffff88808470f200 R08: ffff88807d326400 R09: 0000000000000002 [ 52.084079] R10: 0000000000000000 R11: ffff88807d326400 R12: ffff8880a0dfd080 [ 52.084083] R13: 0000000000008200 R14: ffff8880958db538 R15: 0000000000000000 [ 52.084092] ? dio_complete+0x671/0x800 [ 52.084102] ? trace_hardirqs_on_caller+0x400/0x590 [ 52.084112] ? write_end_fn+0xa0/0xa0 [ 52.275879] do_blockdev_direct_IO+0x530e/0x7fc0 [ 52.281803] ? mark_held_locks+0xb1/0x100 [ 52.286709] ? sb_init_dio_done_wq+0x80/0x80 [ 52.291973] ? __lock_is_held+0xb6/0x140 [ 52.296058] ? ib_umem_get+0x850/0xd26 [ 52.303615] ? ext4_dio_get_block_unwritten_async+0x1c0/0x1c0 [ 52.309688] ? __lock_is_held+0xb6/0x140 [ 52.313944] ? ext4_dio_get_block_unwritten_async+0x1c0/0x1c0 [ 52.319927] __blockdev_direct_IO+0xa1/0xd0 [ 52.324363] ? write_end_fn+0xa0/0xa0 [ 52.328300] ext4_direct_IO+0x70d/0x1890 [ 52.332373] ? ext4_dio_get_block_unwritten_async+0x1c0/0x1c0 [ 52.338264] generic_file_direct_write+0x1ec/0x430 [ 52.343200] __generic_file_write_iter+0x2bc/0x5b0 [ 52.348258] ext4_file_write_iter+0x2c0/0xfd0 [ 52.353066] ? ext4_file_mmap+0x2c0/0x2c0 [ 52.372069] ? __might_sleep+0x93/0xb0 [ 52.376218] do_iter_readv_writev+0x41e/0x680 [ 52.380989] ? vfs_dedupe_file_range+0x8f0/0x8f0 [ 52.385814] ? rw_verify_area+0xea/0x2b0 [ 52.389866] do_iter_write+0x154/0x550 [ 52.393796] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 52.399252] ? __kmalloc+0x379/0x7a0 [ 52.402958] vfs_iter_write+0x77/0xb0 [ 52.406917] iter_file_splice_write+0x578/0xae0 [ 52.412137] ? touch_atime+0xce/0x250 [ 52.416217] ? page_cache_pipe_buf_steal+0x2f0/0x2f0 [ 52.421440] ? rw_verify_area+0xea/0x2b0 [ 52.425816] ? page_cache_pipe_buf_steal+0x2f0/0x2f0 [ 52.431275] direct_splice_actor+0x126/0x1a0 [ 52.436338] splice_direct_to_actor+0x2a1/0x7b0 [ 52.441170] ? generic_pipe_buf_nosteal+0x10/0x10 [ 52.446306] ? do_splice_to+0x170/0x170 [ 52.450806] ? rw_verify_area+0xea/0x2b0 [ 52.455142] do_splice_direct+0x18d/0x230 [ 52.459369] ? splice_direct_to_actor+0x7b0/0x7b0 [ 52.464423] ? rcu_sync_lockdep_assert+0x73/0xb0 [ 52.469508] ? __sb_start_write+0x153/0x2f0 [ 52.473827] do_sendfile+0x4db/0xbd0 [ 52.477766] ? do_compat_pwritev64+0x140/0x140 [ 52.482654] ? SyS_futex+0x215/0x302 [ 52.486442] ? SyS_futex+0x222/0x302 [ 52.490703] SyS_sendfile64+0x102/0x110 [ 52.494783] ? SyS_sendfile+0x130/0x130 [ 52.498814] ? do_syscall_64+0x53/0x630 [ 52.503072] ? SyS_sendfile+0x130/0x130 [ 52.507047] do_syscall_64+0x1eb/0x630 [ 52.510946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.515800] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.521774] RIP: 0033:0x446a19 [ 52.525044] RSP: 002b:00007fa775ab3db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 52.533476] RAX: ffffffffffffffda RBX: 00000000006dbc48 RCX: 0000000000446a19 [ 52.540851] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004 [ 52.548505] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 52.556061] R10: 00008000fffffffe R11: 0000000000000246 R12: 00000000006dbc4c [ 52.563504] R13: 00007ffd577b647f R14: 00007fa775ab49c0 R15: 0000000000000000 [ 52.572892] Kernel Offset: disabled [ 52.576897] Rebooting in 86400 seconds..