[ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.160' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 27.238315] audit: type=1800 audit(1661293735.099:2): pid=7967 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor385" name="bus" dev="sda1" ino=13861 res=0 [ 27.319181] audit: type=1804 audit(1661293735.180:3): pid=7982 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor385" name="/root/bus" dev="sda1" ino=13861 res=1 [ 27.341805] audit: type=1804 audit(1661293735.200:4): pid=7981 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor385" name="/root/bus" dev="sda1" ino=13861 res=1 [ 27.361139] audit: type=1804 audit(1661293735.200:5): pid=7980 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor385" name="/root/bus" dev="sda1" ino=13861 res=1 [ 27.379715] audit: type=1804 audit(1661293735.200:6): pid=7985 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor385" name="/root/bus" dev="sda1" ino=13861 res=1 [ 27.399252] audit: type=1804 audit(1661293735.200:7): pid=7980 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor385" name="/root/bus" dev="sda1" ino=13861 res=1 [ 27.418804] audit: type=1804 audit(1661293735.200:8): pid=7985 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor385" name="/root/bus" dev="sda1" ino=13861 res=1 [ 27.436976] audit: type=1804 audit(1661293735.200:9): pid=7983 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor385" name="/root/bus" dev="sda1" ino=13861 res=1 [ 27.457512] audit: type=1804 audit(1661293735.200:10): pid=7983 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor385" name="/root/bus" dev="sda1" ino=13861 res=1 [ 27.484856] audit: type=1804 audit(1661293735.200:11): pid=7983 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor385" name="/root/bus" dev="sda1" ino=13861 res=1 [ 27.491605] ------------[ cut here ]------------ [ 27.507498] WARNING: CPU: 1 PID: 7990 at fs/ext4/inode.c:3917 ext4_set_page_dirty+0xe8/0x130 [ 27.516070] Kernel panic - not syncing: panic_on_warn set ... [ 27.516070] [ 27.523459] CPU: 1 PID: 7990 Comm: syz-executor385 Not tainted 4.14.290-syzkaller #0 [ 27.532194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 27.541530] Call Trace: [ 27.544116] dump_stack+0x1b2/0x281 [ 27.547733] panic+0x1f9/0x42d [ 27.550912] ? add_taint.cold+0x16/0x16 [ 27.554877] ? ext4_set_page_dirty+0xe8/0x130 [ 27.559348] ? ext4_set_page_dirty+0xe8/0x130 [ 27.563827] __warn.cold+0x20/0x44 [ 27.567354] ? ist_end_non_atomic+0x10/0x10 [ 27.571661] ? ext4_set_page_dirty+0xe8/0x130 [ 27.576131] report_bug+0x208/0x250 [ 27.579745] do_error_trap+0x195/0x2d0 [ 27.583622] ? math_error+0x2d0/0x2d0 [ 27.587404] ? follow_page_mask+0xa6/0x18a0 [ 27.591712] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.596538] invalid_op+0x1b/0x40 [ 27.599976] RIP: 0010:ext4_set_page_dirty+0xe8/0x130 [ 27.605061] RSP: 0018:ffff8880b46f7a58 EFLAGS: 00010297 [ 27.610408] RAX: ffff8880b4eaa0c0 RBX: ffffea000239bc00 RCX: 0000000000000001 [ 27.617663] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffea000239bc20 [ 27.624931] RBP: ffffea000239bc00 R08: 0000000000000001 R09: ffffed1011cde1ff [ 27.632276] R10: ffff88808e6f0fff R11: 0000000000000000 R12: ffffea000239fc60 [ 27.639532] R13: ffffea000239fc60 R14: dffffc0000000000 R15: ffffea000239bc00 [ 27.646798] ? ext4_set_page_dirty+0xe8/0x130 [ 27.651270] ? ext4_readpages+0x100/0x100 [ 27.655394] set_page_dirty+0x148/0x2a0 [ 27.659350] set_page_dirty_lock+0x61/0xa0 [ 27.663571] process_vm_rw_core.constprop.0+0x4a1/0xa40 [ 27.669005] ? pcpu_free_vm_areas+0xb0/0xb0 [ 27.673300] ? __might_fault+0x177/0x1b0 [ 27.677353] ? _copy_from_user+0x96/0x100 [ 27.681486] ? rw_copy_check_uvector+0x1dd/0x2b0 [ 27.686215] ? dup_iter+0x240/0x240 [ 27.689831] process_vm_rw+0x1c2/0x1f0 [ 27.693702] ? compat_process_vm_rw+0x1f0/0x1f0 [ 27.698356] ? vm_insert_page+0x7c0/0x7c0 [ 27.702580] ? __do_page_fault+0x571/0xad0 [ 27.706803] ? lock_downgrade+0x740/0x740 [ 27.710932] SyS_process_vm_writev+0x39/0x50 [ 27.715313] ? SyS_process_vm_readv+0x50/0x50 [ 27.719787] do_syscall_64+0x1d5/0x640 [ 27.724457] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 27.729624] RIP: 0033:0x7f5b34d43ba9 [ 27.733327] RSP: 002b:00007f5b34cb32f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000137 [ 27.741033] RAX: ffffffffffffffda RBX: 00007f5b34dcc448 RCX: 00007f5b34d43ba9 [ 27.748287] RDX: 0000000000000001 RSI: 0000000020c22000 RDI: 0000000000001f36 [ 27.755546] RBP: 00007f5b34dcc440 R08: 0000000000000001 R09: 0000000000000000 [ 27.762880] R10: 0000000020c22fa0 R11: 0000000000000246 R12: 00007f5b34dcc44c [ 27.770130] R13: 00007f5b34d9a07c R14: 0000000000000000 R15: 0000000000022000 [ 27.782251] Kernel Offset: disabled [ 27.785905] Rebooting in 86400 seconds..