audit: type=1804 audit(1653604467.917:425): pid=25770 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir3081218951/syzkaller.mHCLpO/43/memory.events" dev="sda1" ino=14226 res=1 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 25779 at drivers/vhost/vhost.c:657 vhost_dev_cleanup.cold+0x11/0x18 drivers/vhost/vhost.c:657 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 25779 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:vhost_dev_cleanup.cold+0x11/0x18 drivers/vhost/vhost.c:657 Code: 89 48 8d 70 02 e8 61 f8 ff ff e9 cd 6b 16 fe 48 89 ef e8 9d 03 88 f9 eb a1 e8 c6 27 52 f9 48 c7 c7 e0 25 3d 89 e8 25 59 e3 ff <0f> 0b e9 f0 79 17 fe e8 ae 27 52 f9 48 8d 7d 04 ba ff ff 37 00 48 RSP: 0018:ffff888046aa7990 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff888054681c00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1008d54f24 RBP: ffff888054686448 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff888054681cb8 R13: ffff888054681d08 R14: ffff888054681cb8 R15: ffff88809af29b78 vhost_vsock_dev_release+0x373/0x4b0 drivers/vhost/vsock.c:711 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xbf3/0x2be0 kernel/exit.c:870 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f45a1ed1109 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f45a07a1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f45a1fe4370 RCX: 00007f45a1ed1109 RDX: 0000000020000040 RSI: 000000004008af20 RDI: 0000000000000003 RBP: 00007f45a1f2b08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffad9dcabf R14: 00007f45a07a1300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..