Warning: Permanently added '10.128.0.41' (ECDSA) to the list of known hosts. [ 73.798954] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program executing program executing program executing program [ 73.929907] audit: type=1400 audit(1555734223.280:36): avc: denied { map } for pid=7014 comm="syz-executor476" path="/root/syz-executor476363246" dev="sda1" ino=1426 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 executing program executing program executing program [ 73.972203] audit: type=1804 audit(1555734223.320:37): 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-executor476" name="/root/bus" dev="sda1" ino=2233 res=1 [ 73.999679] audit: type=1804 audit(1555734223.330:38): pid=7028 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-executor476" name="/root/bus" dev="sda1" ino=2233 res=1 executing program executing program [ 74.026645] audit: type=1804 audit(1555734223.330:39): pid=7031 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor476" name="/root/bus" dev="sda1" ino=2233 res=1 [ 74.053707] audit: type=1804 audit(1555734223.330:40): pid=7032 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor476" name="/root/bus" dev="sda1" ino=2233 res=1 executing program executing program executing program [ 74.078630] audit: type=1804 audit(1555734223.330:41): pid=7032 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor476" name="/root/bus" dev="sda1" ino=2233 res=1 [ 74.106586] audit: type=1804 audit(1555734223.330:42): pid=7032 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-executor476" name="/root/bus" dev="sda1" ino=2233 res=1 [ 74.139821] audit: type=1804 audit(1555734223.360:43): pid=7030 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor476" name="/root/bus" dev="sda1" ino=2233 res=1 [ 74.165675] audit: type=1804 audit(1555734223.360:44): pid=7034 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor476" name="/root/bus" dev="sda1" ino=2233 res=1 executing program executing program executing program executing program executing program executing program [ 74.191927] audit: type=1804 audit(1555734223.360:45): pid=7034 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor476" name="/root/bus" dev="sda1" ino=2233 res=1 executing program executing program [ 74.273207] ------------[ cut here ]------------ [ 74.278717] WARNING: CPU: 1 PID: 7058 at fs/direct-io.c:293 dio_complete+0x671/0x800 [ 74.287714] Kernel panic - not syncing: panic_on_warn set ... [ 74.287714] [ 74.295929] CPU: 1 PID: 7058 Comm: syz-executor476 Not tainted 4.14.112 #2 [ 74.304039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.314403] Call Trace: [ 74.317513] dump_stack+0x138/0x19c [ 74.322075] panic+0x1f2/0x438 [ 74.325952] ? add_taint.cold+0x16/0x16 [ 74.330869] ? dio_complete+0x671/0x800 [ 74.335350] ? dio_complete+0x671/0x800 [ 74.340097] __warn.cold+0x2f/0x34 [ 74.344005] ? ist_end_non_atomic+0x10/0x10 [ 74.348911] ? dio_complete+0x671/0x800 [ 74.353995] report_bug+0x216/0x254 [ 74.357961] do_error_trap+0x1bb/0x310 [ 74.362233] ? math_error+0x360/0x360 [ 74.366435] ? pagecache_isize_extended+0x250/0x250 [ 74.372001] ? trace_hardirqs_on+0x10/0x10 [ 74.376805] ? mempool_free_slab+0x1e/0x30 [ 74.382073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.387566] do_invalid_op+0x1b/0x20 [ 74.391823] invalid_op+0x1b/0x40 [ 74.396432] RIP: 0010:dio_complete+0x671/0x800 [ 74.401376] RSP: 0018:ffff888097af71b8 EFLAGS: 00010297 [ 74.406951] RAX: ffff8880a07ae480 RBX: 0000000000002000 RCX: ffff8880a07aed00 [ 74.415906] RDX: 0000000000000000 RSI: ffffffff8778ece0 RDI: ffff88809a35f3fc [ 74.423993] RBP: ffff888097af7200 R08: ffff8880a07ae480 R09: 0000000000000002 [ 74.432063] R10: 0000000000000000 R11: ffff8880a07ae480 R12: ffff8880a045d500 [ 74.440932] R13: 0000000000002000 R14: ffff88809a35f5f8 R15: 0000000000000000 [ 74.448557] ? dio_complete+0x671/0x800 [ 74.453132] ? trace_hardirqs_on_caller+0x400/0x590 [ 74.458508] ? write_end_fn+0xa0/0xa0 [ 74.463222] do_blockdev_direct_IO+0x530e/0x7fc0 [ 74.468806] ? sb_init_dio_done_wq+0x80/0x80 [ 74.474411] ? ext4_reserve_inode_write+0x122/0x240 [ 74.480641] ? ext4_dio_get_block_unwritten_async+0x1c0/0x1c0 [ 74.487767] ? __lock_is_held+0xb6/0x140 [ 74.493621] ? ext4_dio_get_block_unwritten_async+0x1c0/0x1c0 [ 74.500580] __blockdev_direct_IO+0xa1/0xd0 [ 74.505993] ? write_end_fn+0xa0/0xa0 [ 74.510511] ext4_direct_IO+0x70d/0x1890 [ 74.515590] ? ext4_dio_get_block_unwritten_async+0x1c0/0x1c0 [ 74.522479] generic_file_direct_write+0x1ec/0x430 [ 74.528209] __generic_file_write_iter+0x2bc/0x5b0 [ 74.534119] ext4_file_write_iter+0x2c0/0xfd0 [ 74.539106] ? ext4_file_mmap+0x2c0/0x2c0 [ 74.543885] ? __might_sleep+0x93/0xb0 [ 74.548312] do_iter_readv_writev+0x41e/0x680 [ 74.553179] ? vfs_dedupe_file_range+0x8f0/0x8f0 [ 74.558771] ? rw_verify_area+0xea/0x2b0 [ 74.563275] do_iter_write+0x154/0x550 [ 74.568256] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 74.575851] ? __kmalloc+0x379/0x7a0 [ 74.580184] vfs_iter_write+0x77/0xb0 [ 74.584417] iter_file_splice_write+0x578/0xae0 [ 74.590358] ? touch_atime+0xce/0x250 [ 74.595039] ? page_cache_pipe_buf_steal+0x2f0/0x2f0 [ 74.601369] ? rw_verify_area+0xea/0x2b0 [ 74.606093] ? page_cache_pipe_buf_steal+0x2f0/0x2f0 [ 74.611956] direct_splice_actor+0x126/0x1a0 [ 74.617024] splice_direct_to_actor+0x2a1/0x7b0 [ 74.622808] ? generic_pipe_buf_nosteal+0x10/0x10 [ 74.629110] ? do_splice_to+0x170/0x170 [ 74.634779] ? rw_verify_area+0xea/0x2b0 [ 74.639436] do_splice_direct+0x18d/0x230 [ 74.645175] ? splice_direct_to_actor+0x7b0/0x7b0 [ 74.650732] ? rcu_sync_lockdep_assert+0x73/0xb0 [ 74.655962] ? __sb_start_write+0x153/0x2f0 [ 74.661502] do_sendfile+0x4db/0xbd0 [ 74.666159] ? do_compat_pwritev64+0x140/0x140 [ 74.671313] ? SyS_futex+0x215/0x302 [ 74.675209] ? SyS_futex+0x222/0x302 [ 74.679023] SyS_sendfile64+0x102/0x110 [ 74.683470] ? SyS_sendfile+0x130/0x130 [ 74.689202] ? do_syscall_64+0x53/0x630 [ 74.694582] ? SyS_sendfile+0x130/0x130 [ 74.699654] do_syscall_64+0x1eb/0x630 [ 74.704168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.710008] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 74.716573] RIP: 0033:0x4468b9 [ 74.721096] RSP: 002b:00007f3ce4f08db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 74.730693] RAX: ffffffffffffffda RBX: 00000000006dbc48 RCX: 00000000004468b9 [ 74.738647] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000003 [ 74.747593] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 74.756270] R10: 00008000fffffffe R11: 0000000000000246 R12: 00000000006dbc4c [ 74.765651] R13: 00007fff09f3c99f R14: 00007f3ce4f099c0 R15: 0000000000000000 [ 74.776144] Kernel Offset: disabled [ 74.780634] Rebooting in 86400 seconds..