audit: type=1804 audit(1561788034.873:175): pid=7790 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-executor.1" name="/root/syzkaller-testdir201456174/syzkaller.nsoSd0/8/bus" dev="sda1" ino=16564 res=1
------------[ cut here ]------------
WARNING: CPU: 0 PID: 8221 at fs/ext4/inode.c:3854 ext4_set_page_dirty+0x10c/0x170 fs/ext4/inode.c:3854
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 8221 Comm: syz-executor.0 Not tainted 4.14.131 #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 panic+0x1f2/0x426 kernel/panic.c:182
 __warn.cold+0x2f/0x36 kernel/panic.c:546
 report_bug+0x216/0x254 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:960
RIP: 0010:ext4_set_page_dirty+0x10c/0x170 fs/ext4/inode.c:3854
RSP: 0018:ffff8880922ffa00 EFLAGS: 00010297
RAX: ffff8880925724c0 RBX: ffffea0001eb5500 RCX: 1ffffffff0f564e8
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffea0001eb5500
RBP: ffff8880922ffa20 R08: ffffed100f5aaa00 R09: 0000000000000000
R10: ffffed100f5aa9ff R11: ffff88807ad54fff R12: ffffea0001eb5500
R13: ffffea0001eb5520 R14: ffffea000246b760 R15: ffffea000246b760
 set_page_dirty+0x188/0x320 mm/page-writeback.c:2589
 set_page_dirty_lock+0x67/0xa0 mm/page-writeback.c:2614
 process_vm_rw_pages mm/process_vm_access.c:51 [inline]
 process_vm_rw_single_vec mm/process_vm_access.c:124 [inline]
 process_vm_rw_core.isra.0+0x50d/0xa60 mm/process_vm_access.c:223
 process_vm_rw+0x1cb/0x1e0 mm/process_vm_access.c:290
 SYSC_process_vm_writev mm/process_vm_access.c:312 [inline]
 SyS_process_vm_writev+0x42/0x60 mm/process_vm_access.c:307
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459519
RSP: 002b:00007fcaf012ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459519
RDX: 0000000000000001 RSI: 0000000020000540 RDI: 0000000000000054
RBP: 000000000075c070 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000200003c0 R11: 0000000000000246 R12: 00007fcaf012b6d4
R13: 00000000004c6653 R14: 00000000004db480 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..