[Bug 275920] Kernel crash in sys/netlink/route/iface.c:124

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275920

--- Comment #13 from LekKit <[email protected]> ---
FreeBSD 15-CURRENT backtrace

root@freebsd:~ # kldload if_re
re0: <RealTek 8169/8169S/8169SB(L)/8110S/8110SB(L) Gigabit Ethernet> mem
0x40000000-0x400000ff irq 9 at device 1.0 on pci0
re0: Chip rev. 0x00800000
re0: MAC rev. 0x00000000
   t[0]: 0x0000000000000000
   t[1]: 0xffffffc07560b49c (.Lpcrel_hi235 + 0x4a2)
   t[2]: 0x0000000000010000
   t[3]: 0xffffffc0004232ba (ifmedia_ioctl)
   t[4]: 0x744380940d76cf29
   t[5]: 0x35930f09d23e5346
   t[6]: 0x4134e5b735e0dc80
   s[0]: 0xffffffc054f232b0 ($d.1 + 0x51ee95a8)
   s[1]: 0xffffffd000b43900
   s[2]: 0xffffffc054f232f0 ($d.1 + 0x51ee95e8)
   s[3]: 0x0000000000000000
   s[4]: 0xffffffd0571ce000
   s[5]: 0xffffffd02c09302c
   s[6]: 0xffffffc000a6bd40 (__stack_chk_guard)
   s[7]: 0xffffffc0008a8666 ($d.0 + 0xe)
   s[8]: 0xffffffc07557c138 ($d.1 + 0x72542430)
   s[9]: 0xffffffc07557f130 ($d.1 + 0x72545428)
  s[10]: 0xffffffc0007a1350 (pci_find_cap_desc)
  s[11]: 0x0000000000000801
   a[0]: 0xffffffd0571ce000
   a[1]: 0xffffffc054f232f0 ($d.1 + 0x51ee95e8)
   a[2]: 0xffffffd000b43900
   a[3]: 0x0000000000000000
   a[4]: 0x00000000c0306938
   a[5]: 0x0000000000000010
   a[6]: 0xffffffd02c09301c
   a[7]: 0x0000000000000016
     ra: 0xffffffc0004233aa (ifmedia_ioctl + 0xf0)
     sp: 0xffffffc054f23280 ($d.1 + 0x51ee9578)
     gp: 0xffffffc0008a7730 (__global_pointer$)
     tp: 0xffffffc000b2ca80 (__pcpu)
   sepc: 0x0000000000000000
sstatus: 0x0000000200000120
stval  : 0x0000000000000000
panic: Fatal page fault at 0: 0
cpuid = 0
time = 1728371624
KDB: stack backtrace:
db_trace_self() at db_trace_self
db_trace_self_wrapper() at db_trace_self_wrapper+0x36
kdb_backtrace() at kdb_backtrace+0x2c
vpanic() at vpanic+0x122
panic() at panic+0x26
page_fault_handler() at page_fault_handler+0x22a
do_trap_supervisor() at do_trap_supervisor+0x6c
cpu_exception_handler_supervisor() at cpu_exception_handler_supervisor+0x74
--- exception 12, tval = 0
(null)() at 0
if_ioctl() at if_ioctl+0xc
dump_iface() at dump_iface+0x10e
rtnl_handle_ifevent() at rtnl_handle_ifevent+0x74
rtnl_handle_ifattach() at rtnl_handle_ifattach+0x48
if_attach_internal() at if_attach_internal+0x33a
if_attach() at if_attach+0xe
ether_ifattach() at ether_ifattach+0x32
.Lpcrel_hi105() at .Lpcrel_hi105+0x46
device_attach() at device_attach+0x36a
device_probe_and_attach() at device_probe_and_attach+0x72
pci_driver_added() at pci_driver_added+0x102
devclass_driver_added() at devclass_driver_added+0x34
devclass_add_driver() at devclass_add_driver+0xfc
driver_module_handler() at driver_module_handler+0x6a
module_register_init() at module_register_init+0xa8
linker_load_module() at linker_load_module+0x9e6
kern_kldload() at kern_kldload+0x14e
sys_kldload() at sys_kldload+0x54
do_trap_user() at do_trap_user+0x1e0
cpu_exception_handler_user() at cpu_exception_handler_user+0x72
--- syscall (304, FreeBSD ELF64, kldload)

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