[Bug 260406] pfctl: Cannot allocate memory (after a time)
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Date: Tue, 14 Dec 2021 20:42:55 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=260406
--- Comment #10 from tech-lists@zyxst.net ---
OK - two tests, first one with the large table commented out (so pfctl -f
returns without error), second one with it uncommented
1.
# dtrace -n 'fbt:kernel:pfr_create_ktable:return { printf("%x", arg0); }' -n
'fbt:kernel:pf_find_or_create_kruleset:return { printf("%x", arg0); }' -n
'fbt:kernel:pfr_create_kentry:return { printf("%x", arg0); }'
dtrace: description 'fbt:kernel:pfr_create_ktable:return ' matched 1 probe
dtrace: description 'fbt:kernel:pf_find_or_create_kruleset:return ' matched 1
probe
dtrace: description 'fbt:kernel:pfr_create_kentry:return ' matched 1 probe
CPU ID FUNCTION:NAME
1 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
1 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
1 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
1 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
1 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
1 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
1 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
1 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
1 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
1 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
1 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
1 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
1 13251 pfr_create_ktable:return 1
1 13251 pfr_create_ktable:return ffffa000133a6000
1 13251 pfr_create_ktable:return 1
1 13251 pfr_create_ktable:return ffffa00080bc2000
1 13259 pfr_create_kentry:return ffffa0011698b1e0
1 13259 pfr_create_kentry:return ffffa0011698b280
1 13259 pfr_create_kentry:return ffffa0011698b320
1 13259 pfr_create_kentry:return ffffa0011698b3c0
1 13259 pfr_create_kentry:return ffffa0011698b460
1 13259 pfr_create_kentry:return ffffa0011698b500
1 13259 pfr_create_kentry:return ffffa0011698b5a0
1 13259 pfr_create_kentry:return ffffa0011698b640
1 13259 pfr_create_kentry:return ffffa0011698b6e0
1 13259 pfr_create_kentry:return ffffa0011698b780
1 13259 pfr_create_kentry:return ffffa0011698b820
1 13259 pfr_create_kentry:return ffffa0011698b8c0
1 13259 pfr_create_kentry:return ffffa0011698b960
1 13259 pfr_create_kentry:return ffffa0011698ba00
1 13259 pfr_create_kentry:return ffffa0011698baa0
1 13259 pfr_create_kentry:return ffffa0011698bb40
1 13251 pfr_create_ktable:return 1
1 13251 pfr_create_ktable:return ffffa001d822a000
1 13251 pfr_create_ktable:return 1
1 13251 pfr_create_ktable:return ffffa0004a9b1800
1 13259 pfr_create_kentry:return ffffa0011698bbe0
1 13259 pfr_create_kentry:return ffffa0011698bc80
1 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
1 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
1 13251 pfr_create_ktable:return 1
1 13251 pfr_create_ktable:return ffffa001d71a2800
1 13251 pfr_create_ktable:return 1
1 13251 pfr_create_ktable:return ffffa001d71a2000
1 13259 pfr_create_kentry:return ffffa0011698bd20
1 13259 pfr_create_kentry:return ffffa0011698bdc0
1 13251 pfr_create_ktable:return 1
1 13251 pfr_create_ktable:return ffffa00108f7e800
1 13259 pfr_create_kentry:return ffffa0011698be60
1 13259 pfr_create_kentry:return ffffa0011698bf00
1 13259 pfr_create_kentry:return ffffa0011698a000
2.
pfctl -f /etc/pf.conf with the large table enabled, so
# pfctl -f /etc/pf.conf
/etc/pf.conf:18: cannot define table pfbadhost: Cannot allocate memory
pfctl: Syntax error in config file: pf rules not loaded
# dtrace -n 'fbt:kernel:pfr_create_ktable:return { printf("%x", arg0); }' -n
'fbt:kernel:pf_find_or_create_kruleset:return { printf("%x", arg0); }' -n
'fbt:kernel:pfr_create_kentry:return { printf("%x", arg0); }'
dtrace: description 'fbt:kernel:pfr_create_ktable:return ' matched 1 probe
dtrace: description 'fbt:kernel:pf_find_or_create_kruleset:return ' matched 1
probe
dtrace: description 'fbt:kernel:pfr_create_kentry:return ' matched 1 probe
CPU ID FUNCTION:NAME
2 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
2 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
2 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
2 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
2 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
2 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
2 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
2 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
2 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
2 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
2 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
2 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
2 13251 pfr_create_ktable:return 1
2 13251 pfr_create_ktable:return ffffa0001a8a2800
2 13259 pfr_create_kentry:return ffffa0011698cdc0
2 13259 pfr_create_kentry:return ffffa000c1e48640
2 13259 pfr_create_kentry:return ffffa000c1e485a0
2 13259 pfr_create_kentry:return ffffa00116988e60
2 13259 pfr_create_kentry:return ffffa000c1e48500
2 13259 pfr_create_kentry:return ffffa000c1e48780
2 13259 pfr_create_kentry:return ffffa000c1e48aa0
2 13259 pfr_create_kentry:return ffffa000c1e488c0
2 13259 pfr_create_kentry:return ffffa000c1e48a00
2 13259 pfr_create_kentry:return ffffa000c1e48960
2 13259 pfr_create_kentry:return ffffa000c1e48820
2 13259 pfr_create_kentry:return ffffa000c1e48b40
2 13259 pfr_create_kentry:return ffffa000c1e486e0
2 13259 pfr_create_kentry:return ffffa0011698b0a0
2 13259 pfr_create_kentry:return ffffa000c1e48be0
2 13259 pfr_create_kentry:return ffffa000c1e553c0
2 13259 pfr_create_kentry:return ffffa0011698ce60
2 13259 pfr_create_kentry:return ffffa0011698cd20
2 13259 pfr_create_kentry:return ffffa0011698cf00
2 13259 pfr_create_kentry:return ffffa0011698b000
2 13259 pfr_create_kentry:return ffffa000c1e55280
2 13259 pfr_create_kentry:return ffffa000c1c24280
2 13259 pfr_create_kentry:return ffffa000c1cab780
2 13259 pfr_create_kentry:return ffffa000c1c25780
2 13259 pfr_create_kentry:return ffffa000c1e555a0
2 13259 pfr_create_kentry:return ffffa000c1eaff00
2 13259 pfr_create_kentry:return ffffa000c1b5c0a0
2 13259 pfr_create_kentry:return ffffa000c1e55640
2 13259 pfr_create_kentry:return ffffa000c1a80dc0
2 13259 pfr_create_kentry:return ffffa000c1e55320
2 13259 pfr_create_kentry:return 0
2 13251 pfr_create_ktable:return 1
2 13251 pfr_create_ktable:return ffffa0001a8a2800
2 13251 pfr_create_ktable:return 1
2 13251 pfr_create_ktable:return ffffa00044ed5800
2 13259 pfr_create_kentry:return ffffa0011698cdc0
2 13259 pfr_create_kentry:return ffffa000c1e48640
2 13259 pfr_create_kentry:return ffffa000c1e485a0
2 13259 pfr_create_kentry:return ffffa00116988e60
2 13259 pfr_create_kentry:return ffffa000c1e48500
2 13259 pfr_create_kentry:return ffffa000c1e48780
2 13259 pfr_create_kentry:return ffffa000c1e48aa0
2 13259 pfr_create_kentry:return ffffa000c1e488c0
2 13259 pfr_create_kentry:return ffffa000c1e48a00
2 13259 pfr_create_kentry:return ffffa000c1e48960
2 13259 pfr_create_kentry:return ffffa000c1e48820
2 13259 pfr_create_kentry:return ffffa000c1e48b40
2 13259 pfr_create_kentry:return ffffa000c1e486e0
2 13259 pfr_create_kentry:return ffffa0011698b0a0
2 13259 pfr_create_kentry:return ffffa000c1e48be0
2 13259 pfr_create_kentry:return ffffa000c1e553c0
2 13251 pfr_create_ktable:return 1
2 13251 pfr_create_ktable:return ffffa00008fcb800
2 13251 pfr_create_ktable:return 1
2 13251 pfr_create_ktable:return ffffa000f7955000
2 13259 pfr_create_kentry:return ffffa0011698ce60
2 13259 pfr_create_kentry:return ffffa0011698cd20
2 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
2 36465 pf_find_or_create_kruleset:return ffff000041aef0e0
2 13251 pfr_create_ktable:return 1
2 13251 pfr_create_ktable:return ffffa000f7956000
2 13251 pfr_create_ktable:return 1
2 13251 pfr_create_ktable:return ffffa0011697b800
2 13259 pfr_create_kentry:return ffffa0011698cf00
2 13259 pfr_create_kentry:return ffffa0011698b000
2 13251 pfr_create_ktable:return 1
2 13251 pfr_create_ktable:return ffffa00116977000
2 13259 pfr_create_kentry:return ffffa000c1e55280
2 13259 pfr_create_kentry:return ffffa000c1c24280
2 13259 pfr_create_kentry:return ffffa000c1cab780
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