Warning: Permanently added '10.128.15.211' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program [ 469.855941] audit: type=1400 audit(1561772562.144:36): avc: denied { map } for pid=8025 comm="syz-executor784" path="/root/syz-executor784175080" 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 [ 469.887879] audit: type=1804 audit(1561772562.144:37): pid=8036 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-executor784" name="/root/bus" dev="sda1" ino=2233 res=1 [ 469.911631] audit: type=1804 audit(1561772562.144:38): pid=8037 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=ToMToU comm="syz-executor784" name="/root/bus" dev="sda1" ino=2233 res=1 executing program executing program executing program [ 469.937049] audit: type=1804 audit(1561772562.144:39): pid=8036 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=ToMToU comm="syz-executor784" name="/root/bus" dev="sda1" ino=2233 res=1 [ 469.964041] audit: type=1804 audit(1561772562.144:40): pid=8038 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=ToMToU comm="syz-executor784" name="/root/bus" dev="sda1" ino=2233 res=1 executing program executing program executing program executing program [ 469.987188] audit: type=1804 audit(1561772562.144:41): pid=8038 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-executor784" name="/root/bus" dev="sda1" ino=2233 res=1 [ 470.010769] audit: type=1804 audit(1561772562.214:42): pid=8040 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=ToMToU comm="syz-executor784" name="/root/bus" dev="sda1" ino=2233 res=1 [ 470.034873] audit: type=1804 audit(1561772562.214:43): pid=8035 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=ToMToU comm="syz-executor784" name="/root/bus" dev="sda1" ino=2233 res=1 executing program executing program [ 470.058011] audit: type=1804 audit(1561772562.224:44): pid=8040 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=ToMToU comm="syz-executor784" name="/root/bus" dev="sda1" ino=2233 res=1 [ 470.080701] audit: type=1804 audit(1561772562.244:45): pid=8045 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=ToMToU comm="syz-executor784" name="/root/bus" dev="sda1" ino=2233 res=1 executing program executing program executing program executing program executing program executing program [ 470.120882] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 470.132417] File: /root/bus PID: 8077 Comm: syz-executor784 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 470.218862] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 470.230588] File: /root/bus PID: 8097 Comm: syz-executor784 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 470.377148] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 470.389165] File: /root/bus PID: 8164 Comm: syz-executor784 executing program executing program [ 470.428574] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 470.440243] File: /root/bus PID: 8185 Comm: syz-executor784 [ 470.464099] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! executing program executing program executing program [ 470.475466] File: /root/bus PID: 8190 Comm: syz-executor784 executing program executing program [ 470.504590] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 470.515954] File: /root/bus PID: 8199 Comm: syz-executor784 [ 470.527387] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 470.539126] File: /root/bus PID: 8208 Comm: syz-executor784 executing program executing program executing program executing program executing program executing program [ 470.551472] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 470.562764] File: /root/bus PID: 8207 Comm: syz-executor784 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 470.702730] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 470.714708] File: /root/bus PID: 8247 Comm: syz-executor784 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 470.808838] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 470.821108] File: /root/bus PID: 8296 Comm: syz-executor784 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 474.094335] WARNING: CPU: 1 PID: 9630 at fs/ext4/inode.c:3898 ext4_set_page_dirty+0x30b/0x430 [ 474.103447] Kernel panic - not syncing: panic_on_warn set ... [ 474.103447] [ 474.110876] CPU: 1 PID: 9630 Comm: syz-executor784 Not tainted 4.19.56 #28 [ 474.117896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 474.127316] Call Trace: [ 474.130063] dump_stack+0x172/0x1f0 [ 474.133779] panic+0x263/0x507 [ 474.136986] ? __warn_printk+0xf3/0xf3 [ 474.140884] ? ext4_set_page_dirty+0x30b/0x430 [ 474.145546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.151110] ? __warn.cold+0x5/0x4a [ 474.154753] ? __warn+0xe8/0x1d0 [ 474.158130] ? ext4_set_page_dirty+0x30b/0x430 [ 474.162720] __warn.cold+0x20/0x4a [ 474.166343] ? ext4_set_page_dirty+0x30b/0x430 [ 474.170935] report_bug+0x263/0x2b0 [ 474.174657] do_error_trap+0x204/0x360 [ 474.178559] ? math_error+0x340/0x340 [ 474.182497] ? mark_held_locks+0x100/0x100 [ 474.186796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.192400] ? handle_mm_fault+0x45d/0xb30 [ 474.196779] ? error_entry+0x76/0xd0 [ 474.200542] ? trace_hardirqs_off_caller+0x65/0x220 [ 474.205699] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 474.210552] do_invalid_op+0x1b/0x20 [ 474.214274] invalid_op+0x14/0x20 [ 474.217739] RIP: 0010:ext4_set_page_dirty+0x30b/0x430 [ 474.222986] Code: ff e8 d9 59 83 ff 49 8d 5f ff e9 e5 fd ff ff e8 cb 59 83 ff 48 c7 c6 60 9a 5a 87 4c 89 e7 e8 8c 59 ab ff 0f 0b e8 b5 59 83 ff <0f> 0b e9 56 ff ff ff e8 a9 59 83 ff 4c 89 ea 48 b8 00 00 00 00 00 [ 474.241916] RSP: 0018:ffff88808df879e0 EFLAGS: 00010293 [ 474.247344] RAX: ffff8880a1f92300 RBX: 0000000000000000 RCX: ffffffff81e7bc50 [ 474.254621] RDX: 0000000000000000 RSI: ffffffff81e7bcfb RDI: 0000000000000001 [ 474.261925] RBP: ffff88808df87a08 R08: ffff8880a1f92300 R09: 0000000000000000 [ 474.269212] R10: ffffed100f9d65ff R11: ffff88807ceb2fff R12: ffffea0001f3ac80 [ 474.276494] R13: ffffea0001f3ac88 R14: 0000000000000000 R15: ffffea0001f3adc8 [ 474.284746] ? ext4_set_page_dirty+0x260/0x430 [ 474.289568] ? ext4_set_page_dirty+0x30b/0x430 [ 474.299593] ? ext4_readpages+0x120/0x120 [ 474.304918] set_page_dirty+0x2e7/0x820 [ 474.308909] set_page_dirty_lock+0x88/0xc0 [ 474.313191] process_vm_rw_core.isra.0+0x527/0xb20 [ 474.318154] ? alloc_vmap_area.cold+0x24/0x24 [ 474.322664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 474.328287] ? _copy_from_user+0xdd/0x150 [ 474.332468] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 474.337542] ? rw_copy_check_uvector+0x2a6/0x330 [ 474.342365] ? do_futex+0x17d/0x1d90 [ 474.346132] ? dput+0x1e6/0x690 [ 474.349425] process_vm_rw+0x21f/0x240 [ 474.353325] ? process_vm_rw_core.isra.0+0xb20/0xb20 [ 474.359181] ? exit_robust_list+0x2c0/0x2c0 [ 474.372421] ? mark_held_locks+0x100/0x100 [ 474.376750] ? __task_pid_nr_ns+0x1b1/0x530 [ 474.381081] ? find_held_lock+0x35/0x130 [ 474.385161] ? __x64_sys_futex+0x40d/0x590 [ 474.389408] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 474.394174] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 474.399025] ? do_syscall_64+0x26/0x620 [ 474.403115] __x64_sys_process_vm_writev+0xe3/0x1a0 [ 474.408150] do_syscall_64+0xfd/0x620 [ 474.413500] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 474.418719] RIP: 0033:0x4468d9 [ 474.421921] Code: e8 0c 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 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 474.440846] RSP: 002b:00007fef2cd58da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000137 [ 474.448572] RAX: ffffffffffffffda RBX: 00000000006dbc48 RCX: 00000000004468d9 [ 474.455846] RDX: 0000000000000001 RSI: 0000000020000540 RDI: 000000000000259c [ 474.463119] RBP: 00000000006dbc40 R08: 0000000000000001 R09: 0000000000000000 [ 474.470389] R10: 00000000200003c0 R11: 0000000000000246 R12: 00000000006dbc4c [ 474.477684] R13: 00007ffe289d923f R14: 00007fef2cd599c0 R15: 0000000000000000 [ 474.486694] Kernel Offset: disabled [ 474.490515] Rebooting in 86400 seconds..