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 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 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 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 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7990 at fs/ext4/inode.c:3917 ext4_set_page_dirty+0xe8/0x130 fs/ext4/inode.c:3917 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7990 Comm: syz-executor385 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 report_bug+0x208/0x250 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:ext4_set_page_dirty+0xe8/0x130 fs/ext4/inode.c:3917 RSP: 0018:ffff8880b46f7a58 EFLAGS: 00010297 RAX: ffff8880b4eaa0c0 RBX: ffffea000239bc00 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffea000239bc20 RBP: ffffea000239bc00 R08: 0000000000000001 R09: ffffed1011cde1ff R10: ffff88808e6f0fff R11: 0000000000000000 R12: ffffea000239fc60 R13: ffffea000239fc60 R14: dffffc0000000000 R15: ffffea000239bc00 set_page_dirty+0x148/0x2a0 mm/page-writeback.c:2586 set_page_dirty_lock+0x61/0xa0 mm/page-writeback.c:2611 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.constprop.0+0x4a1/0xa40 mm/process_vm_access.c:223 process_vm_rw+0x1c2/0x1f0 mm/process_vm_access.c:290 SYSC_process_vm_writev mm/process_vm_access.c:312 [inline] SyS_process_vm_writev+0x39/0x50 mm/process_vm_access.c:307 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f5b34d43ba9 RSP: 002b:00007f5b34cb32f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000137 RAX: ffffffffffffffda RBX: 00007f5b34dcc448 RCX: 00007f5b34d43ba9 RDX: 0000000000000001 RSI: 0000000020c22000 RDI: 0000000000001f36 RBP: 00007f5b34dcc440 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000020c22fa0 R11: 0000000000000246 R12: 00007f5b34dcc44c R13: 00007f5b34d9a07c R14: 0000000000000000 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..