crashes

[Mifaxav]

log:
panic(cpu 2 caller 0xffffff801d6a99da): mbuf_watchdog: 1 waiters stuck for 16 secs
3926/69639 mbufs in use:
3926 mbufs allocated to data
65713 mbufs allocated to caches
806/1364 mbuf 2KB clusters in use
28522/28538 mbuf 4KB clusters in use
0/150 mbuf 16KB clusters in use
137308 KB allocated to network (approx. 96% in use)
0 KB returned to the system
worker thread runs: 160, expansions: 404, cl 0/0, bigcl 149/24242, 16k 10/103
worker thread last run time: 1729 (17 seconds ago)

top proc mbuf space 4608 bytes by parsecd:504

mbuf leak detection table:
total captured: 1253 (one per 500)
total allocs outstanding: 209
new hash recorded: 1223 allocs, 939 traces
hash collisions: 111 allocs, 22 traces
overwrites: 663 allocs, 0 traces
lock conflicts: 0

top 5 outstanding traces:
[1] 47 outstanding alloc(s), 51 hit(s), 0 collision(s)
[2] 43 outstanding alloc(s), 58 hit(s), 0 collision(s)
[3] 41 outstanding alloc(s), 45 hit(s), 0 collision(s)
[4] 26 outstanding alloc(s), 43 hit(s), 0 collision(s)
[5] 20 outstanding alloc(s), 20 hit(s), 0 collision(s)

trace [1]           trace [2]           trace [3]       	trace [4]           trace [5]      
------------------  ------------------  ------------------      ------------------  ------------------ 

1: 0xffffff80008a815a 0xffffff80008a815a 0xffffff80008a815a 0xffffff80008a815a 0xffffff80008a815a
2: 0xffffff8000881d19 0xffffff8000881d19 0xffffff8000881dd2 0xffffff8000881dd2 0xffffff8000881dd2
3: 0xffffff80008ac168 0xffffff80008a708a 0xffffff80008a70dd 0xffffff80008ae7e5 0xffffff80008ac168
4: 0xffffff80008b039b 0xffffff8000881c8e 0xffffff8000881c8e 0xffffff800087bf0a 0xffffff80008b039b
5: 0xffffff800087b2d3 0xffffff80008ae7e5 0xffffff80008ae7e5 0xffffff8002b900bd 0xffffff800087b2d3
6: 0x0 0xffffff800087bf0a 0xffffff800087bf0a 0x0 0x0
7: 0x0 0xffffff8002b900bd 0xffffff8002b900bd 0x0 0x0
8: 0x0 0x0 0x0 0x0 0x0
9: 0x0 0x0 0x0 0x0 0x0
10: 0x0 0x0 0x0 0xffffff8000a453f4 0x0
11: 0x0 0x0 0x0 0xffffff8000a43cae 0x0
12: 0x0 0xffffff8000a453f4 0xffffff8000a453f4 0xffffff8000a432d7 0x0
13: 0x0 0xffffff8000a43cae 0xffffff8000a43cae 0x0
14: 0x0 0xffffff8000a432d7 0xffffff8000a432d7 0x0
15: 0x0 0x0
16: 0xffffff8000a453f4 0xffffff8000a453f4

Panicked task 0xffffff8bbbdbdd10: 9 threads: pid 583: com.apple.WebKit
Backtrace (CPU 2), panicked thread: 0xffffff8bbd21c540, Frame : Return Address
0xffffffe86c9335b0 : 0xffffff801d081c8d
0xffffffe86c933600 : 0xffffff801d1e1596
0xffffffe86c933640 : 0xffffff801d1d0963
0xffffffe86c933690 : 0xffffff801d021a70
0xffffffe86c9336b0 : 0xffffff801d08205d
0xffffffe86c9337d0 : 0xffffff801d081816
0xffffffe86c933830 : 0xffffff801d915163
0xffffffe86c933920 : 0xffffff801d6a99da
0xffffffe86c9339b0 : 0xffffff801d6a76d7
0xffffffe86c933a20 : 0xffffff801d681c8e
0xffffffe86c933a90 : 0xffffff801d6a70dd
0xffffffe86c933b30 : 0xffffff801d681c8e
0xffffffe86c933ba0 : 0xffffff801d6ae7e5
0xffffffe86c933c30 : 0xffffff801d3e07d2
0xffffffe86c933cb0 : 0xffffff801d3e7412
0xffffffe86c933d00 : 0xffffff801d42cea6
0xffffffe86c933d40 : 0xffffff801d43c92d
0xffffffe86c933ef0 : 0xffffff801d43a0cc
0xffffffe86c933f40 : 0xffffff801d788f5b
0xffffffe86c933fa0 : 0xffffff801d022236

Process name corresponding to current thread (0xffffff8bbd21c540): com.apple.WebKit.Networking
Boot args: rtcfx_exclude=80-AB chunklist-security-epoch=0 -chunklist-no-rev2-dev chunklist-security-epoch=0 -chunklist-no-rev2-dev

Mac OS version:
21F79

Kernel version:
Darwin Kernel Version 21.5.0: Tue Apr 26 21:08:22 PDT 2022; root:xnu-8020.121.3~4/RELEASE_X86_64
Kernel UUID: 3C587984-4004-3C76-8ADF-997822977184
KernelCache slide: 0x000000001ce00000
KernelCache base: 0xffffff801d000000
Kernel slide: 0x000000001ce10000
Kernel text base: 0xffffff801d010000
__HIB text base: 0xffffff801cf00000
System model name: MacBookPro15,2 (Mac-827FB448E656EC26)
System shutdown begun: NO
Panic diags file available: YES (0x0)
Hibernation exit count: 0

System uptime in nanoseconds: 1745752183981
Last Sleep: absolute base_tsc base_nano
Uptime : 0x0000019676f06174
Sleep : 0x000000390a81f64a 0x0000000e87023015 0x0000000000000000
Wake : 0x000000392a084756 0x0000000050b6adea 0x000000390c119359
Compressor Info: 0% of compressed pages limit (OK) and 0% of segments limit (OK) with 0 swapfiles and OK swap space
Zone info:
Zone map: 0xffffff8087518000 - 0xffffffa087518000
. PGZ : 0xffffff8087518000 - 0xffffff808a519000
. VM : 0xffffff808a519000 - 0xffffff8556ab2000
. RO : 0xffffff8556ab2000 - 0xffffff86f01e5000
. GEN0 : 0xffffff86f01e5000 - 0xffffff8bbc77e000
. GEN1 : 0xffffff8bbc77e000 - 0xffffff9088d17000
. GEN2 : 0xffffff9088d17000 - 0xffffff95552b0000
. GEN3 : 0xffffff95552b0000 - 0xffffff9a2184a000
. DATA : 0xffffff9a2184a000 - 0xffffffa087518000
Metadata: 0xffffff805e508000 - 0xffffff807e508000
Bitmaps : 0xffffff807e508000 - 0xffffff8087508000

just randomly happens