panic: malloc: out of space in kmem_map
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*102029  89588      0         0x2          0    1K syz-executor.1
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:399
panic() at panic+0x174 sys/kern/subr_prf.c:208
malloc(200000,2a,9) at malloc+0xad5 sys/kern/kern_malloc.c:242
kcovioctl(1b1300,80084b01,ffff800020c0d280,3,ffff800020b8a270) at kcovioctl+0xe6 kd_init sys/dev/kcov.c:405 [inline]
kcovioctl(1b1300,80084b01,ffff800020c0d280,3,ffff800020b8a270) at kcovioctl+0xe6 sys/dev/kcov.c:298
VOP_IOCTL(fffffd80624d40d0,80084b01,ffff800020c0d280,3,fffffd807f7c6a80,ffff800020b8a270) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:290
vn_ioctl(fffffd806cb50860,80084b01,ffff800020c0d280,ffff800020b8a270) at vn_ioctl+0xc9 sys/kern/vfs_vnops.c:512
sys_ioctl(ffff800020b8a270,ffff800020c0d3c0,ffff800020c0d3b0) at sys_ioctl+0x651
syscall(ffff800020c0d460) at syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline]
syscall(ffff800020c0d460) at syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574
Xsyscall(6,36,7f7ffffd5628,36,3,2bc720f1890) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd5140, count: 6
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