> I can crash mine with "sysctl -a" as well.
Smaller test, this is sufficient to crash things:
root@bsd15:~ # sysctl vfs.zfs.zio
vfs.zfs.zio.deadman_log_all: 0
vfs.zfs.zio.dva_throttle_enabled: 1
vfs.zfs.ziopanic: sbuf_clear makes no sense on sbuf 0xfffff8002c8dc300
with drain
cpuid = 3
time = 1704069514
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
0xfffffe00fa502960
vpanic() at vpanic+0x131/frame 0xfffffe00fa502a90
panic() at panic+0x43/frame 0xfffffe00fa502af0
sbuf_clear() at sbuf_clear+0xa8/frame 0xfffffe00fa502b00
sbuf_cpy() at sbuf_cpy+0x56/frame 0xfffffe00fa502b20
spa_taskq_write_param() at spa_taskq_write_param+0x85/frame
0xfffffe00fa502bd0
sysctl_root_handler_locked() at sysctl_root_handler_locked+0x9c/frame
0xfffffe00fa502c20
sysctl_root() at sysctl_root+0x21e/frame 0xfffffe00fa502ca0
userland_sysctl() at userland_sysctl+0x184/frame 0xfffffe00fa502d50
sys___sysctl() at sys___sysctl+0x60/frame 0xfffffe00fa502e00
amd64_syscall() at amd64_syscall+0x153/frame 0xfffffe00fa502f30
fast_syscall_common() at fast_syscall_common+0xf8/frame
0xfffffe00fa502f30
--- syscall (202, FreeBSD ELF64, __sysctl), rip = 0x3733c1e5619a, rsp =
0x3733bf494538, rbp = 0x3733bf494570 ---
KDB: enter: panic
[ thread pid 780 tid 100237 ]
Stopped at kdb_enter+0x33: movq $0,0xe3a582(%rip)
db>
