kernel warning at kern/src/event.c:374, from core 1: [kernel] Null ev_q - kernel code should check before sending!
Stack Backtrace on Core 1:
#01 [<0xffffffffc200a38c>] in backtrace at src/kdebug.c:229
#02 [<0xffffffffc2009bb4>] in _warn at src/init.c:322
#03 [<0xffffffffc2007732>] in send_event at src/event.c:374
#04 [<0xffffffffc2056a45>] in sys_send_event at src/syscall.c:1439
#05 [<0xffffffffc205a019>] in syscall at src/syscall.c:2465
#06 [<0xffffffffc205a1f8>] in run_local_syscall at src/syscall.c:2500
#07 [<0xffffffffc205a739>] in prep_syscalls at src/syscall.c:2520
#08 [<0xffffffffc20abee2>] in sysenter_callwrapper at arch/x86/trap.c:854
[kernel] Unknown mbox type -915642847!
[kernel] Unknown mbox type -50148275!
[kernel] Unknown mbox type -1420823344!
Backtrace of user context on Core 1:
	Offsets only matter for shared libraries
#01 Addr 0x0000000000409f4d is in syz-executor at offset 0x0000000000009f4d
#02 Addr 0x0000000000416c44 is in syz-executor at offset 0x0000000000016c44
#03 Addr 0x000000000040cc64 is in syz-executor at offset 0x000000000000cc64
#04 Addr 0x000000000040cc96 is in syz-executor at offset 0x000000000000cc96
#05 Addr 0x000000000040cde2 is in syz-executor at offset 0x000000000000cde2
#06 Addr 0x0000000000408418 is in syz-executor at offset 0x0000000000008418
#07 Addr 0x0000000000403e79 is in syz-executor at offset 0x0000000000003e79
#08 Addr 0x00000000004147ec is in syz-executor at offset 0x00000000000147ec
#09 Addr 0x00000000004147f1 is in syz-executor at offset 0x00000000000147f1