panic: ASan: Invalid access, 8-byte read in osd_get

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syzbot

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Jul 11, 2021, 8:02:24 PM7/11/21
to syzkaller-f...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: 9c1c0209 loader: support.4th resets the read buffer incorr..
git tree: https://github.com/freebsd/freebsd-src.git main
console output: https://syzkaller.appspot.com/x/log.txt?x=16e22328300000
dashboard link: https://syzkaller.appspot.com/bug?extid=69ce54c7d7d813315dd3
userspace arch: i386

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+69ce54...@syzkaller.appspotmail.com

panic: ASan: Invalid access, 8-byte read at 0xfffffe000793cd00, UMAUseAfterFree(fd)
cpuid = 0
time = 1626027743
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00a5b6b670
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00a5b6b7d0
vpanic() at vpanic+0x2c5/frame 0xfffffe00a5b6b8b0
panic() at panic+0xb5/frame 0xfffffe00a5b6b970
__asan_load8_noabort() at __asan_load8_noabort+0x36f/frame 0xfffffe00a5b6ba30
osd_get() at osd_get+0xef/frame 0xfffffe00a5b6bb40
taskq_tsd_set() at taskq_tsd_set+0x30/frame 0xfffffe00a5b6bb60
taskqueue_thread_loop() at taskqueue_thread_loop+0x7c/frame 0xfffffe00a5b6bbb0
fork_exit() at fork_exit+0xd0/frame 0xfffffe00a5b6bbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00a5b6bbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 5876 tid 106695 ]
Stopped at kdb_enter+0x6b: movq $0,0x28fa0fa(%rip)
db>
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs 0x20
ds 0x3b
es 0x3b
fs 0x13
gs 0x1b
ss 0x28
rax 0x12
rcx 0x7430c59c387cfc73
rdx 0x1
rbx 0
rsp 0xfffffe00a5b6b7b0
rbp 0xfffffe00a5b6b7d0
rsi 0
rdi 0xffffffff8179af19 vprintf+0x319
r8 0x3
r9 0xfffffe00a5b6b308
r10 0
r11 0
r12 0xfffffe00a8e4ae40
r13 0xfffffe00a5b6b801
r14 0xffffffff82c418c0 .str.18
r15 0xffffffff82c418c0 .str.18
rip 0xffffffff8178e93b kdb_enter+0x6b
rflags 0x46
kdb_enter+0x6b: movq $0,0x28fa0fa(%rip)
db> show proc
Process 5876 (zfskern) at 0xfffffe00a8e3e538:
state: NORMAL
uid: 0 gids: 0
parent: pid 0 at 0xffffffff84029dc0
ABI: null
flag: 0x10000284 flag2: 0
reaper: 0xffffffff84029dc0 reapsubtree: 5876
sigparent: 20
vmspace: 0xffffffff8402ad40
(map 0xffffffff8402ad40)
(map.pmap 0xffffffff8402ae00)
(pmap 0xffffffff8402ae60)
threads: 22
106172 D t->zthr 0xfffffe009e961b48 [arc_evict]
106692 D t->zthr 0xfffffe00a5c6a548 [arc_reap]
106693 D - 0xfffffe0058394b00 [dbu_evict]
106694 D dbuf_ev 0xffffffff85a9cc00 [dbuf_evict_thread]
106695 Run CPU 0 [z_vdev_file_0]
106696 RunQ [z_vdev_file_1]
106697 RunQ [z_vdev_file_2]
106698 RunQ [z_vdev_file_3]
106699 RunQ [z_vdev_file_4]
106700 RunQ [z_vdev_file_5]
106701 RunQ [z_vdev_file_6]
106702 RunQ [z_vdev_file_7]
106703 RunQ [z_vdev_file_8]
106704 RunQ [z_vdev_file_9]
106705 RunQ [z_vdev_file_10]
106706 RunQ [z_vdev_file_11]
106707 RunQ [z_vdev_file_12]
106708 RunQ [z_vdev_file_13]
106709 RunQ [z_vdev_file_14]
106710 RunQ [z_vdev_file_15]
106711 RunQ [l2arc_feed_thread]
106712 RunQ [zfsvfs]
db> ps
pid ppid pgrp uid state wmesg wchan cmd
5876 0 0 0 RL (threaded) [zfskern]
106172 D t->zthr 0xfffffe009e961b48 [arc_evict]
106692 D t->zthr 0xfffffe00a5c6a548 [arc_reap]
106693 D - 0xfffffe0058394b00 [dbu_evict]
106694 D dbuf_ev 0xffffffff85a9cc00 [dbuf_evict_thread]
106695 Run CPU 0 [z_vdev_file_0]
106696 RunQ [z_vdev_file_1]
106697 RunQ [z_vdev_file_2]
106698 RunQ [z_vdev_file_3]
106699 RunQ [z_vdev_file_4]
106700 RunQ [z_vdev_file_5]
106701 RunQ [z_vdev_file_6]
106702 RunQ [z_vdev_file_7]
106703 RunQ [z_vdev_file_8]
106704 RunQ [z_vdev_file_9]
106705 RunQ [z_vdev_file_10]
106706 RunQ [z_vdev_file_11]
106707 RunQ [z_vdev_file_12]
106708 RunQ [z_vdev_file_13]
106709 RunQ [z_vdev_file_14]
106710 RunQ [z_vdev_file_15]
106711 RunQ [l2arc_feed_thread]
106712 RunQ [zfsvfs]
5869 782 782 0 T (threaded) syz-executor.0
106207 s syz-executor.0
106677 Run CPU 1 syz-executor.0
5469 1 808 0 S uwait 0xfffffe00a8b23a80 syz-executor.3
5463 1 785 0 S uwait 0xfffffe00a8b94980 syz-executor.2
5454 1 785 0 S uwait 0xfffffe00a6f6e580 syz-executor.2
5446 1 808 0 S uwait 0xfffffe00a7877b80 syz-executor.3
5443 1 783 0 S uwait 0xfffffe00a6f6e080 syz-executor.1
5440 1 783 0 S uwait 0xfffffe009e3ea300 syz-executor.1
5435 1 783 0 S uwait 0xfffffe00a6f6eb80 syz-executor.1
5431 1 783 0 S uwait 0xfffffe00a8bf1e00 syz-executor.1
5427 1 783 0 S uwait 0xfffffe00a8bf1b00 syz-executor.1
5424 1 785 0 S uwait 0xfffffe00a8b94a80 syz-executor.2
5421 1 783 0 S uwait 0xfffffe00a5cdc400 syz-executor.1
5416 1 783 0 S uwait 0xfffffe00a8b23680 syz-executor.1
5412 1 783 0 S uwait 0xfffffe009e3ea180 syz-executor.1
5409 1 783 0 S uwait 0xfffffe00a7877580 syz-executor.1
5405 1 783 0 S uwait 0xfffffe00a8b23f00 syz-executor.1
5403 1 783 0 S uwait 0xfffffe00a8b23b80 syz-executor.1
5164 1 782 0 S uwait 0xfffffe00a6f6ed00 syz-executor.0
5163 1 783 0 S uwait 0xfffffe00a8b23300 syz-executor.1
5159 1 783 0 S uwait 0xfffffe00a5cdca00 syz-executor.1
5156 1 782 0 S uwait 0xfffffe00a6f6ea80 syz-executor.0
5155 1 785 0 S uwait 0xfffffe00a8b23980 syz-executor.2
5152 1 785 0 S uwait 0xfffffe00a8b23e80 syz-executor.2
5150 1 782 0 S uwait 0xfffffe00a6f6e300 syz-executor.0
5149 1 785 0 S uwait 0xfffffe00a6f6ef00 syz-executor.2
5146 1 783 0 S uwait 0xfffffe00a8b23880 syz-executor.1
5141 1 783 0 S uwait 0xfffffe00a7877180 syz-executor.1
5135 1 783 0 S uwait 0xfffffe00a8bf1d00 syz-executor.1
4922 1 782 0 S uwait 0xfffffe00a5c5b500 syz-executor.0
4916 1 783 0 S uwait 0xfffffe00a8b23480 syz-executor.1
4912 1 782 0 S uwait 0xfffffe00a5c5bb80 syz-executor.0
4906 1 783 0 S uwait 0xfffffe00a5cdcd00 syz-executor.1
4896 1 782 0 S uwait 0xfffffe00a5c5b080 syz-executor.0
4895 1 783 0 S uwait 0xfffffe00a7877480 syz-executor.1
4892 1 808 0 S uwait 0xfffffe009bebe500 syz-executor.3
4891 1 785 0 S uwait 0xfffffe009e986680 syz-executor.2
4888 1 782 0 S uwait 0xfffffe00a7877380 syz-executor.0
4887 1 783 0 S uwait 0xfffffe00a5c0a180 syz-executor.1
4884 1 808 0 S uwait 0xfffffe009e3ea880 syz-executor.3
4883 1 785 0 S uwait 0xfffffe00a6f6e600 syz-executor.2
4880 1 782 0 S uwait 0xfffffe009e29f200 syz-executor.0
4879 1 783 0 S uwait 0xfffffe009e3eab80 syz-executor.1
4876 1 808 0 S uwait 0xfffffe00a6f6e680 syz-executor.3
4875 1 785 0 S uwait 0xfffffe00a6f6eb00 syz-executor.2
4869 1 782 0 S uwait 0xfffffe00a7877c00 syz-executor.0
4868 1 783 0 S uwait 0xfffffe009e986580 syz-executor.1
4864 1 783 0 S uwait 0xfffffe00a5c5b180 syz-executor.1
4858 1 783 0 S uwait 0xfffffe009e3ea100 syz-executor.1
3192 1 785 0 S uwait 0xfffffe00a7877880 syz-executor.2
3183 1 785 0 S uwait 0xfffffe009e9eba80 syz-executor.2
3177 1 785 0 S uwait 0xfffffe009e29f500 syz-executor.2
3171 1 785 0 S uwait 0xfffffe009e9eb000 syz-executor.2
3166 1 785 0 S uwait 0xfffffe00a5cdc780 syz-executor.2
3164 1 785 0 S uwait 0xfffffe009e986900 syz-executor.2
3161 1 785 0 S uwait 0xfffffe009e986c00 syz-executor.2
3160 1 785 0 S uwait 0xfffffe00a5c5bd80 syz-executor.2
3001 1 3001 65 Ss select 0xfffffe00a5c0a0c0 dhclient
2921 1 782 0 S uwait 0xfffffe00a5cdc200 syz-executor.0
2907 1 782 0 S uwait 0xfffffe00a5c0a380 syz-executor.0
2904 1 808 0 S uwait 0xfffffe00a7877780 syz-executor.3
2900 1 782 0 S uwait 0xfffffe00a5cdcb00 syz-executor.0
2897 1 808 0 S uwait 0xfffffe00a5c5b800 syz-executor.3
2896 1 783 0 S uwait 0xfffffe009bebe200 syz-executor.1
2893 1 783 0 S uwait 0xfffffe00a5cdc580 syz-executor.1
2891 1 783 0 S uwait 0xfffffe00a6f6ec00 syz-executor.1
2887 1 783 0 S uwait 0xfffffe00a7877980 syz-executor.1
2885 1 783 0 S uwait 0xfffffe009e9eb200 syz-executor.1
2882 1 783 0 S uwait 0xfffffe00a7877680 syz-executor.1
2880 1 808 0 S uwait 0xfffffe00a7877a80 syz-executor.3
2875 1 808 0 S uwait 0xfffffe00a5c5ba80 syz-executor.3
2874 1 808 0 S uwait 0xfffffe00a5c0a680 syz-executor.3
2500 1 2500 0 Ss select 0xfffffe00a5cdc940 dhclient
2497 1 2497 0 Ss select 0xfffffe00a5c0a040 dhclient
2478 1 2478 65 Ss select 0xfffffe00a7877dc0 dhclient
2264 1 785 0 S uwait 0xfffffe009e3ea700 syz-executor.2
2254 1 785 0 S uwait 0xfffffe009e3ea780 syz-executor.2
2251 1 783 0 S uwait 0xfffffe00a5cdc100 syz-executor.1
2247 1 783 0 S uwait 0xfffffe00a5c5be80 syz-executor.1
2242 1 783 0 S uwait 0xfffffe00a5c5b280 syz-executor.1
2241 1 785 0 S uwait 0xfffffe00a5cdcf00 syz-executor.2
2232 1 785 0 S uwait 0xfffffe009e986780 syz-executor.2
2078 1 2078 0 Ss select 0xfffffe00a5cdc3c0 dhclient
2059 1 2059 0 Ss select 0xfffffe00a7877ec0 dhclient
2028 1 2028 65 Ss select 0xfffffe00a5cdc040 dhclient
1596 1 1596 0 Ss select 0xfffffe009e3ea3c0 dhclient
1592 1 1592 0 Ss select 0xfffffe009e9eb7c0 dhclient
1555 1 1555 65 Ss select 0xfffffe00a5cdc0c0 dhclient
1208 1 782 0 S uwait 0xfffffe00a5cdce00 syz-executor.0
1205 1 782 0 S uwait 0xfffffe009bebe400 syz-executor.0
1202 1 808 0 S uwait 0xfffffe009e986080 syz-executor.3
1197 1 808 0 S uwait 0xfffffe00a5c5b480 syz-executor.3
1193 1 782 0 S uwait 0xfffffe009e986380 syz-executor.0
1192 1 808 0 S uwait 0xfffffe009e986480 syz-executor.3
1186 1 808 0 S uwait 0xfffffe005874e900 syz-executor.3
1182 1 808 0 S uwait 0xfffffe009e3ea500 syz-executor.3
842 1 842 0 Ss select 0xfffffe009e9eb740 dhclient
836 1 836 0 Ss select 0xfffffe009e9eb6c0 dhclient
816 0 0 0 DL aiordy 0xfffffe00a5c0ca70 [aiod4]
815 0 0 0 DL aiordy 0xfffffe009e9cc000 [aiod3]
814 0 0 0 DL aiordy 0xfffffe009e9cca70 [aiod2]
813 0 0 0 DL aiordy 0xfffffe009e9cc538 [aiod1]
808 780 808 0 Ss piperd 0xfffffe009e9c2000 syz-executor.3
785 780 785 0 Ss piperd 0xfffffe009e9c2ba0 syz-executor.2
783 780 783 0 Ss piperd 0xfffffe009e4142e8 syz-executor.1
782 780 782 0 Ss wait 0xfffffe009e97d538 syz-executor.0
780 778 778 0 S (threaded) syz-fuzzer
100116 S uwait 0xfffffe005874ef00 syz-fuzzer
100117 S uwait 0xfffffe005834c080 syz-fuzzer
100118 S uwait 0xfffffe005834c180 syz-fuzzer
100119 S uwait 0xfffffe005834c280 syz-fuzzer
100120 S uwait 0xfffffe009e29f300 syz-fuzzer
100121 S uwait 0xfffffe009e3eac80 syz-fuzzer
100122 S uwait 0xfffffe009e3ead80 syz-fuzzer
100123 S kqread 0xfffffe009e4f6c00 syz-fuzzer
102257 S uwait 0xfffffe009e9ebb00 syz-fuzzer
778 776 778 0 Ss pause 0xfffffe009e4150b0 csh
776 694 776 0 Ss select 0xfffffe009e3ea5c0 sshd
760 1 760 0 Ss+ ttyin 0xfffffe0056fe0cb0 getty
759 1 759 0 Ss+ ttyin 0xfffffe00583ed0b0 getty
758 1 758 0 Ss+ ttyin 0xfffffe00583ed4b0 getty
757 1 757 0 Ss+ ttyin 0xfffffe00583ed8b0 getty
756 1 756 0 Ss+ ttyin 0xfffffe00583edcb0 getty
755 1 755 0 Ss+ ttyin 0xfffffe00583950b0 getty
754 1 754 0 Ss+ ttyin 0xfffffe00583954b0 getty
753 1 753 0 Ss+ ttyin 0xfffffe00583958b0 getty
752 1 752 0 Ss+ ttyin 0xfffffe0058395cb0 getty
698 1 698 0 Ss nanslp 0xffffffff84055900 cron
694 1 694 0 Ss select 0xfffffe009e29fa40 sshd
507 1 507 0 Ss select 0xfffffe009e29f940 syslogd
436 1 436 0 Rs devd
435 1 435 65 Ss select 0xfffffe009e29f7c0 dhclient
350 1 350 0 Ss select 0xfffffe009bebe6c0 dhclient
347 1 347 0 Ss select 0xfffffe009e29fb40 dhclient
23 0 0 0 DL syncer 0xffffffff8417ba40 [syncer]
22 0 0 0 DL vlruwt 0xfffffe0058747a70 [vnlru]
21 0 0 0 DL (threaded) [bufdaemon]
100083 D qsleep 0xffffffff84179940 [bufdaemon]
100086 D - 0xffffffff83411f80 [bufspacedaemon-0]
100095 D sdflush 0xfffffe009bd15ce8 [/ worker]
20 0 0 0 DL psleep 0xffffffff841b1c80 [vmdaemon]
19 0 0 0 DL (threaded) [pagedaemon]
100081 D psleep 0xffffffff841a57b8 [dom0]
100087 D launds 0xffffffff841a57c4 [laundry: dom0]
100088 D umarcl 0xffffffff81e7e190 [uma]
18 0 0 0 DL - 0xffffffff83e0caa0 [rand_harvestq]
17 0 0 0 DL waiting 0xffffffff84cb6460 [sctp_iterator]
16 0 0 0 DL pftm 0xffffffff8486ad30 [pf purge]
15 0 0 0 DL - 0xffffffff84174dc0 [soaiod4]
9 0 0 0 DL - 0xffffffff84174dc0 [soaiod3]
8 0 0 0 DL - 0xffffffff84174dc0 [soaiod2]
7 0 0 0 DL - 0xffffffff84174dc0 [soaiod1]
6 0 0 0 DL (threaded) [cam]
100046 D - 0xffffffff83c92240 [doneq0]
100047 D - 0xffffffff83c921c0 [async]
100080 D - 0xffffffff83c92040 [scanner]
14 0 0 0 DL seqstat 0xfffffe0056aadc88 [sequencer 00]
5 0 0 0 DL crypto_ 0xfffffe00541abd80 [crypto returns 1]
4 0 0 0 DL crypto_ 0xfffffe00541abd30 [crypto returns 0]
3 0 0 0 DL crypto_ 0xffffffff8419f860 [crypto]
13 0 0 0 DL (threaded) [geom]
100037 D - 0xffffffff84028ec0 [g_event]
100038 D - 0xffffffff84028f00 [g_up]
100039 D - 0xffffffff84028f40 [g_down]
2 0 0 0 DL (threaded) [KTLS]
100028 D - 0xfffffe0053e16e00 [thr_0]
100029 D - 0xfffffe0053e16e80 [thr_1]
12 0 0 0 LL (threaded) [intr]
100010 I [swi6: task queue]
100011 I [swi6: Giant taskq]
100014 I [swi5: fast taskq]
100030 I [swi1: netisr 0]
100031 I [swi3: vm]
100032 L *Giant 0xfffffe00541450c0 [swi4: clock (0)]
100033 I [swi4: clock (1)]
100034 I [swi1: hpts]
100035 I [swi1: hpts]
100048 I [irq24: virtio_pci0]
100049 I [irq25: virtio_pci0]
100050 I [irq26: virtio_pci0]
100051 I [irq27: virtio_pci0]
100052 I [irq28: virtio_pci1]
100053 I [irq29: virtio_pci1]
100054 I [irq30: virtio_pci1]
100055 I [irq31: virtio_pci1]
100056 I [irq32: virtio_pci1]
100061 I [irq10: virtio_pci2]
100063 I [irq1: atkbd0]
100064 I [irq12: psm0]
100065 I [swi0: uart uart++]
100073 I [swi1: pf send]
11 0 0 0 RL (threaded) [idle]
100003 CanRun [idle: cpu0]
100004 CanRun [idle: cpu1]
1 0 1 0 SLs wait 0xfffffe0053d51538 [init]
10 0 0 0 DL audit_w 0xffffffff841a0800 [audit]
0 0 0 0 DLs (threaded) [kernel]
100000 D swapin 0xffffffff84029dc0 [swapper]
100005 D - 0xfffffe0053c0d800 [softirq_0]
100006 D - 0xfffffe0053c0d600 [softirq_1]
100007 D - 0xfffffe0053c0d400 [if_io_tqg_0]
100008 D - 0xfffffe0053c0d200 [if_io_tqg_1]
100009 D - 0xfffffe0053c0d000 [if_config_tqg_0]
100012 D - 0xfffffe0007919500 [thread taskq]
100013 D - 0xfffffe0007919400 [inm_free taskq]
100015 D - 0xfffffe0007919200 [kqueue_ctx taskq]
100016 D - 0xfffffe0007919100 [linuxkpi_irq_wq]
100017 D - 0xfffffe0007919000 [aiod_kick taskq]
100018 D - 0xfffffe0053df6e00 [in6m_free taskq]
100019 D - 0xfffffe0053df6d00 [pci_hp taskq]
100020 D - 0xfffffe0053df6c00 [linuxkpi_short_wq_0]
100021 D - 0xfffffe0053df6c00 [linuxkpi_short_wq_1]
100022 D - 0xfffffe0053df6c00 [linuxkpi_short_wq_2]
100023 D - 0xfffffe0053df6c00 [linuxkpi_short_wq_3]
100024 D - 0xfffffe0053df6b00 [linuxkpi_long_wq_0]
100025 D - 0xfffffe0053df6b00 [linuxkpi_long_wq_1]
100026 D - 0xfffffe0053df6b00 [linuxkpi_long_wq_2]
100027 D - 0xfffffe0053df6b00 [linuxkpi_long_wq_3]
100036 D - 0xfffffe0053df6a00 [firmware taskq]
100040 D - 0xfffffe0053df6900 [crypto_0]
100041 D - 0xfffffe0053df6900 [crypto_1]
100057 D - 0xfffffe0053df6700 [vtnet0 rxq 0]
100058 D - 0xfffffe0053df6600 [vtnet0 txq 0]
100059 D - 0xfffffe0053df6500 [vtnet0 rxq 1]
100060 D - 0xfffffe0053df6400 [vtnet0 txq 1]
100062 D vtbslp 0xfffffe0056fc0380 [virtio_balloon]
100066 D - 0xfffffe0053df6300 [mca taskq]
100071 D - 0xffffffff82c48840 [deadlkres]
100076 D - 0xfffffe0058394e00 [acpi_task_0]
100077 D - 0xfffffe0058394e00 [acpi_task_1]
100078 D - 0xfffffe0058394e00 [acpi_task_2]
100079 D - 0xfffffe0053df6800 [CAM taskq]
106686 D - 0xfffffe00a5c3ad00 [system_taskq_0]
106687 D - 0xfffffe00a5c3ad00 [system_taskq_1]
106688 D - 0xfffffe00a5c3ac00 [system_delay_taskq_]
106689 D - 0xfffffe00a5c3ac00 [system_delay_taskq_]
106690 D - 0xfffffe0053df6000 [arc_prune_0]
106691 D - 0xfffffe0053df6000 [arc_prune_1]
db> show all locks
Process 5869 (syz-executor.0) thread 0xfffffe00a8bc5e40 (106677)
exclusive sleep mutex Giant (Giant) r = 1 (0xffffffff834099c0) locked @ /syzkaller/managers/i386/kernel/sys/kern/kern_module.c:116
db> show malloc
Type InUse MemUse Requests
sctp_stro 108 20583K 2901
pf_hash 5 11524K 5
linker 381 10005K 538
devbuf 4217 4338K 4245
tcp_hpts 6 3201K 6
sysctloid 46248 2728K 46315
solaris 124 2643K 193
vtbuf 24 1968K 46
filedesc 178 1419K 9837
kobj 326 1304K 486
newblk 6 1026K 9140
vfscache 3 1025K 3
pcb 363 893K 13251
subproc 312 658K 6066
inodedep 17 518K 5429
ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
intr 4 472K 4
vmem 3 274K 5
acpica 1674 184K 54806
vnet_data 1 168K 1
tidhash 3 141K 3
pagedep 10 131K 4941
tfo_ccache 1 128K 1
sctp_atcl 324 122K 9373
DEVFS1 108 108K 125
sem 4 106K 4
BPF 46 88K 46
bus 986 80K 3469
kdtrace 412 76K 12590
mtx_pool 2 72K 2
umtx 550 69K 550
syncache 1 68K 1
module 514 65K 514
acpitask 1 64K 1
ddb_capture 1 64K 1
temp 37 36K 3256
hostcache 1 32K 1
shm 1 32K 35
DEVFS3 126 32K 136
msg 4 30K 4
gtaskqueue 18 26K 18
kbdmux 6 22K 6
sctp_stri 40 20K 490
ifaddr 70 20K 72
DEVFS_RULE 56 20K 56
routetbl 140 19K 721
sctp_atky 432 19K 12534
ufs_mount 5 17K 6
proc 3 17K 3
tty 16 16K 16
ithread 99 16K 99
kstat_data 15 15K 15
lltable 46 15K 207
bus-sc 33 14K 1684
KTRACE 100 13K 100
sctp_timw 49 13K 49
ifnet 7 13K 7
ether_multi 152 13K 178
ksem 31 12K 168
kqueue 151 12K 5960
kenv 95 12K 95
eventhandler 135 12K 135
CAM queue 5 11K 1528
rman 84 10K 425
GEOM 60 10K 493
pwddesc 148 10K 5882
in6_multi 65 9K 65
bmsafemap 2 9K 5380
taskqueue 78 9K 78
UART 12 9K 12
devstat 4 9K 4
rpc 2 8K 2
shmfd 1 8K 26
pfs_vncache 1 8K 1
pfs_nodes 20 8K 20
audit_evclass 236 8K 294
DEVFSP 117 8K 740
UMA 365 7K 365
cred 26 7K 377
sglist 5 7K 5
CAM DEV 3 6K 510
plimit 24 6K 522
pf_ifnet 14 6K 112
sctp_athm 324 6K 9537
ufs_dirhash 24 5K 24
session 35 5K 50
vt 11 5K 11
pf_table 2 4K 75
memdesc 1 4K 1
MCA 32 4K 32
evdev 4 4K 4
kcovinfo 64 4K 68
acpisem 28 4K 28
selfd 55 4K 76431
lockf 32 4K 273
sctp_map 216 4K 5760
hhook 15 4K 17
fpukern_ctx 3 3K 3
proc-args 52 3K 673
terminal 11 3K 11
inpcbpolicy 81 3K 2113
xform 39 3K 1104
select 19 3K 96
uidinfo 3 3K 91
local_apic 1 2K 1
io_apic 1 2K 1
ipsec-saq 2 2K 2
ip6ndp 12 2K 13
dirrem 7 2K 5142
sctp_ifa 13 2K 14
Unitno 27 2K 47
CAM XPT 22 2K 543
in_multi 6 2K 16
vnodemarker 3 2K 339
ipsecpolicy 2 2K 2
acpidev 20 2K 20
osd 59 2K 1402
sigio 19 2K 20
msi 9 2K 9
clone 9 2K 9
tun 7 2K 7
softdep 1 1K 1
sahead 1 1K 1
secasvar 1 1K 1
nhops 6 1K 8
NFSD session 1 1K 1
CAM periph 4 1K 271
ipsec 3 1K 3
sctp_ifn 6 1K 14
diradd 6 1K 5183
mld 6 1K 6
igmp 6 1K 6
toponodes 6 1K 6
isadev 6 1K 6
mount 16 1K 89
pci_link 10 1K 10
crypto 4 1K 370
encap_export_host 12 1K 12
procdesc 5 1K 14
newdirblk 4 1K 4865
mkdir 4 1K 9730
pfil 4 1K 4
filedesc_to_leader 8 1K 44
cdev 2 1K 2
pf_osfp 4 1K 4
freefile 3 1K 5055
chacha20random 1 1K 1
NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
DEVFS 9 1K 10
vnodes 1 1K 13
CAM SIM 2 1K 2
ktls 1 1K 1
prison 8 1K 8
feeder 7 1K 7
taskq 2 1K 2
tcpfunc 3 1K 3
loginclass 3 1K 6
lkpikmalloc 5 1K 6
aesni_data 2 1K 2
pf_rule 1 1K 77
apmdev 1 1K 1
atkbddev 2 1K 2
CAM dev queue 2 1K 2
CAM I/O Scheduler 1 1K 1
CAM path 4 1K 1034
pmchooks 1 1K 1
nexusdev 7 1K 7
soname 4 1K 9887
filecaps 5 1K 102
sctp_vrf 1 1K 1
freework 1 1K 6497
vnet 1 1K 1
entropy 2 1K 47
acpiintr 1 1K 1
pmc 1 1K 1
cpus 2 1K 2
vnet_data_free 1 1K 1
Per-cpu 1 1K 1
p1003.1b 1 1K 1
sfs_nodes 0 0K 0
zones_data 0 0K 0
vegas data 0 0K 8
cubic data 0 0K 28
sctp_mcore 0 0K 0
sctp_socko 0 0K 4243
sctp_iter 0 0K 25
sctp_mvrf 0 0K 0
sctp_cpal 0 0K 13
sctp_cmsg 0 0K 0
sctp_stre 0 0K 0
sctp_athi 0 0K 0
sctp_a_it 0 0K 12
sctp_aadr 0 0K 44
chd data 0 0K 9
tcp_do 0 0K 0
tcp_fsb 0 0K 361
dctcp data 0 0K 22
mqdata 0 0K 0
cdg data 0 0K 15
htcp data 0 0K 15
pf_altq 0 0K 0
pf_temp 0 0K 0
NEWdirectio 0 0K 0
NEWNFSnode 0 0K 0
madt_table 0 0K 2
smartpqi 0 0K 0
NFSCL lck 0 0K 0
NFSCL lckown 0 0K 0
NFSCL client 0 0K 0
NFSCL deleg 0 0K 0
NFSCL open 0 0K 0
NFSCL owner 0 0K 0
NFS fh 0 0K 0
NFS req 0 0K 0
iavf 0 0K 0
ixl 0 0K 0
NFSD usrgroup 0 0K 0
NFSD string 0 0K 0
NFSD V4lock 0 0K 0
NFSD V4state 0 0K 0
NFSD srvcache 0 0K 0
ice-resmgr 0 0K 0
ice-osdep 0 0K 0
ice 0 0K 0
axgbe 0 0K 0
msdosfs_fat 0 0K 0
msdosfs_mount 0 0K 0
msdosfs_node 0 0K 0
DEVFS4 0 0K 0
DEVFS2 0 0K 0
xen_intr 0 0K 0
gntdev 0 0K 0
privcmd_dev 0 0K 0
xen_hvm 0 0K 0
legacydrv 0 0K 0
qpidrv 0 0K 0
evtchn_dev 0 0K 0
xenstore 0 0K 0
dmar_idpgtbl 0 0K 0
dmar_dom 0 0K 0
dmar_ctx 0 0K 0
ciss_data 0 0K 0
BACKLIGHT 0 0K 0
xnb 0 0K 0
isci 0 0K 0
iommu_dmamap 0 0K 0
xbbd 0 0K 0
hyperv_socket 0 0K 0
bxe_ilt 0 0K 0
xenbus 0 0K 0
xbd 0 0K 0
Balloon 0 0K 0
sysmouse 0 0K 0
vm_fictitious 0 0K 0
vtfont 0 0K 0
ath_hal 0 0K 0
athdev 0 0K 0
ata_pci 0 0K 0
ata_dma 0 0K 0
ata_generic 0 0K 0
amr 0 0K 0
pvscsi 0 0K 0
scsi_da 0 0K 69
UMAHash 0 0K 0
ata_da 0 0K 0
vm_pgdata 0 0K 0
jblocks 0 0K 0
savedino 0 0K 3712
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 169
jsegdep 0 0K 0
jseg 0 0K 0
jfreefrag 0 0K 0
jfreeblk 0 0K 0
jnewblk 0 0K 0
jmvref 0 0K 0
jremref 0 0K 0
jaddref 0 0K 0
freedep 0 0K 0
freeblks 0 0K 5032
freefrag 0 0K 13
allocindir 0 0K 0
indirdep 0 0K 2097
allocdirect 0 0K 0
ufs_trim 0 0K 0
mactemp 0 0K 0
audit_trigger 0 0K 0
audit_pipe_presel 0 0K 0
audit_pipeent 0 0K 0
audit_pipe 0 0K 0
audit_evname 0 0K 0
audit_bsm 0 0K 0
audit_gidset 0 0K 0
audit_text 0 0K 0
audit_path 0 0K 0
audit_data 0 0K 0
audit_cred 0 0K 0
scsi_ch 0 0K 0
scsi_cd 0 0K 0
AHCI driver 0 0K 0
USBdev 0 0K 0
USB 0 0K 0
agp 0 0K 0
nvme_da 0 0K 0
ktls_ocf 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5E_TLS 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EN 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5DUMP 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
seq_file 0 0K 0
radix 0 0K 0
idr 0 0K 0
lkpifw 0 0K 0
NLM 0 0K 0
ipsec-spdcache 0 0K 0
ipsec-reg 0 0K 0
ipsec-misc 0 0K 0
ipsecrequest 0 0K 0
ip6opt 0 0K 144
ip6_msource 0 0K 0
ip6_moptions 0 0K 0
in6_mfilter 0 0K 0
frag6 0 0K 0
tcplog 0 0K 0
tcp_hwpace 0 0K 0
acpipwr 0 0K 0
acpi_perf 0 0K 0
LRO 0 0K 0
newreno data 0 0K 5
ip_msource 0 0K 16
ip_moptions 0 0K 8
in_mfilter 0 0K 32
ipid 0 0K 0
80211scan 0 0K 0
80211ratectl 0 0K 0
80211power 0 0K 0
80211nodeie 0 0K 0
80211node 0 0K 0
80211mesh_gt 0 0K 0
80211mesh_rt 0 0K 0
80211perr 0 0K 0
80211prep 0 0K 0
80211preq 0 0K 0
80211dfs 0 0K 0
80211crypto 0 0K 0
80211vap 0 0K 0
iflib 0 0K 0
vlan 0 0K 0
gif 0 0K 0
ifdescr 0 0K 0
zlib 0 0K 0
fadvise 0 0K 0
VN POLL 0 0K 4
twsbuf 0 0K 0
statfs 0 0K 5081
namei_tracker 0 0K 13
export_host 0 0K 0
cl_savebuf 0 0K 4
twe_commands 0 0K 0
twa_commands 0 0K 0
tcp_log_dev 0 0K 166
midi buffers 0 0K 0
mixer 0 0K 0
ac97 0 0K 0
hdacc 0 0K 0
hdac 0 0K 0
hdaa 0 0K 0
acpicmbat 0 0K 0
SIIS driver 0 0K 0
CAM CCB 0 0K 11660
PUC 0 0K 0
ppbusdev 0 0K 0
agtiapi_MemAlloc malloc 0 0K 0
biobuf 0 0K 0
aios 0 0K 0
lio 0 0K 10
acl 0 0K 0
osti_cacheable 0 0K 0
mbuf_tag 0 0K 176
tempbuff 0 0K 0
tempbuff 0 0K 0
ag_tgt_map_t malloc 0 0K 0
ag_slr_map_t malloc 0 0K 0
lDevFlags * malloc 0 0K 0
tiDeviceHandle_t * malloc 0 0K 0
ag_portal_data_t malloc 0 0K 0
ag_device_t malloc 0 0K 0
STLock malloc 0 0K 0
CCB List 0 0K 0
sr_iov 0 0K 0
OCS 0 0K 0
OCS 0 0K 0
nvme 0 0K 0
nvd 0 0K 0
netmap 0 0K 0
mwldev 0 0K 0
MVS driver 0 0K 0
CAM ccb queue 0 0K 0
mrsasbuf 0 0K 0
mpt_user 0 0K 0
mps_user 0 0K 0
accf 0 0K 0
pts 0 0K 0
iov 0 0K 18450
ioctlops 0 0K 452
eventfd 0 0K 5
Witness 0 0K 0
stack 0 0K 0
MPSSAS 0 0K 0
mps 0 0K 0
mpr_user 0 0K 0
MPRSAS 0 0K 0
mpr 0 0K 0
mfibuf 0 0K 0
sbuf 0 0K 288
md_sectors 0 0K 0
firmware 0 0K 0
compressor 0 0K 0
md_disk 0 0K 0
SWAP 0 0K 0
malodev 0 0K 0
LED 0 0K 0
sysctltmp 0 0K 911
sysctl 0 0K 3
ekcd 0 0K 0
dumper 0 0K 0
sendfile 0 0K 0
rctl 0 0K 0
ix_sriov 0 0K 0
aacraidcam 0 0K 0
aacraid_buf 0 0K 0
ix 0 0K 0
ipsbuf 0 0K 0
cache 0 0K 0
iirbuf 0 0K 0
prison_racct 0 0K 0
Fail Points 0 0K 0
pwd 0 0K 0
tty console 0 0K 0
aaccam 0 0K 0
aacbuf 0 0K 0
zstd 0 0K 0
XZ_DEC 0 0K 0
nvlist 0 0K 0
SCSI ENC 0 0K 0
SCSI sa 0 0K 0
scsi_pass 0 0K 0
isofs_node 0 0K 0
isofs_mount 0 0K 0
tr_raid5_data 0 0K 0
tr_raid1e_data 0 0K 0
tr_raid1_data 0 0K 0
tr_raid0_data 0 0K 0
tr_concat_data 0 0K 0
md_sii_data 0 0K 0
md_promise_data 0 0K 0
md_nvidia_data 0 0K 0
md_jmicron_data 0 0K 0
md_intel_data 0 0K 0
md_ddf_data 0 0K 0
raid_data 0 0K 72
geom_flashmap 0 0K 0
tmpfs dir 0 0K 0
tmpfs name 0 0K 0
tmpfs mount 0 0K 0
NFS FHA 0 0K 0
newnfsmnt 0 0K 0
newnfsclient_req 0 0K 0
NFSCL layrecall 0 0K 0
NFSCL session 0 0K 0
NFSCL sockreq 0 0K 0
NFSCL devinfo 0 0K 0
NFSCL flayout 0 0K 0
NFSCL layout 0 0K 0
NFSD rollback 0 0K 0
NFSCL diroff 0 0K 0
db> show uma
Zone Size Used Free Requests Sleeps Bucket Total Mem XFree
mbuf_jumbo_page 4096 8320 990 301370 0 254 38133760 0
tcp_log 416 0 16020 195013 0 254 6664320 0
mbuf 256 9101 1099 1100236 0 254 2611200 0
pbuf 2624 0 989 0 0 2 2595136 0
malloc-128 128 15223 29 15644 0 126 1952256 0
BUF TRIE 144 228 11532 6039 0 62 1693440 0
malloc-384 384 4302 8 4489 0 30 1655040 0
malloc-16384 16384 89 7 4922 0 1 1572864 0
RADIX NODE 144 10550 141 145737 0 62 1539504 0
mbuf_cluster 2048 675 1 675 0 254 1384448 0
malloc-4096 4096 327 3 563 0 2 1351680 0
UMA Slabs 0 112 10959 18 10959 0 126 1229424 0
vmem btag 56 20072 63 20072 0 254 1127560 0
tcp_bbr_map 128 5073 1747 159644 0 126 872960 0
malloc-4096 4096 172 6 6436 0 2 729088 0
FFS inode 1160 601 22 5679 0 8 722680 0
VM OBJECT 264 2358 87 86282 0 30 645480 0
MAP ENTRY 96 6082 428 337191 0 126 624960 0
256 Bucket 2048 241 31 16683 0 8 557056 0
ertt_txseginfo 40 6288 6741 384608 0 254 521160 0
THREAD 1808 262 13 6712 0 8 497200 0
sctp_asoc 2288 108 92 2880 0 254 457600 0
malloc-2048 2048 158 36 6113 0 8 397312 0
sctp_ep 1280 176 130 6109 0 254 391680 0
lkpimm 160 1 2324 1 0 62 372000 0
lkpicurr 160 2 2323 2 0 62 372000 0
malloc-64 64 5452 29 82198 0 254 350784 0
socket 944 211 153 9564 0 254 343616 0
VMSPACE 2544 121 11 5855 0 4 335808 0
malloc-65536 65536 5 0 5 0 1 327680 0
malloc-65536 65536 0 5 56 0 1 327680 0
VNODE 448 639 63 5719 0 30 314496 0
malloc-16 16 19009 241 27941 0 254 308000 0
malloc-65536 65536 0 4 445 0 1 262144 0
UMA Zones 768 337 2 337 0 16 260352 0
malloc-32 32 7431 129 7786 0 254 241920 0
malloc-32768 32768 0 7 1960 0 1 229376 0
DEVCTL 1024 1 219 154 0 0 225280 0
sctp_raddr 736 226 71 3646 0 254 218592 0
PROC 1336 148 14 5876 0 8 216432 0
malloc-256 256 136 674 26311 0 62 207360 0
malloc-65536 65536 1 2 49 0 1 196608 0
malloc-1024 1024 111 77 3402 0 16 192512 0
malloc-384 384 324 146 9400 0 30 180480 0
filedesc0 1072 148 20 5882 0 8 180096 0
malloc-128 128 1330 65 12340 0 126 178560 0
mbuf_packet 256 151 524 22518 0 254 172800 0
malloc-128 128 1266 67 34400 0 126 170624 0
FFS2 dinode 256 601 14 5679 0 62 157440 0
malloc-384 384 16 394 5428 0 30 157440 0
S VFS Cache 104 1033 449 6292 0 126 154128 0
malloc-256 256 275 310 16316 0 62 149760 0
zio_buf_comb_131072 131072 0 1 1 0 1 131072 0
malloc-65536 65536 2 0 2 0 1 131072 0
malloc-65536 65536 2 0 2 0 1 131072 0
128 Bucket 1024 69 58 2752 0 16 130048 0
UMA Kegs 384 322 1 322 0 30 124032 0
malloc-2048 2048 8 52 11702 0 8 122880 0
malloc-1024 1024 111 5 128 0 16 118784 0
ksiginfo 112 145 899 1389 0 126 116928 0
tcpcb 1080 47 44 1380 0 254 98280 0
malloc-128 128 312 432 5526 0 126 95232 0
sctp_chunk 152 200 424 1727 0 254 94848 0
malloc-256 256 242 88 6667 0 62 84480 0
malloc-16384 16384 4 1 179 0 1 81920 0
g_bio 408 0 190 43919 0 30 77520 0
malloc-8192 8192 5 4 134 0 1 73728 0
64 Bucket 512 80 64 6193 0 30 73728 0
malloc-32768 32768 0 2 130 0 1 65536 0
malloc-32768 32768 2 0 2 0 1 65536 0
malloc-16384 16384 0 4 5 0 1 65536 0
malloc-8192 8192 8 0 8 0 1 65536 0
32 Bucket 256 82 143 8695 0 62 57600 0
malloc-4096 4096 12 1 23 0 2 53248 0
Files 80 455 195 23363 0 126 52000 0
malloc-256 256 153 42 387 0 62 49920 0
zio_data_buf_16384 16384 0 3 9 0 1 49152 0
malloc-16384 16384 3 0 3 0 1 49152 0
malloc-2048 2048 4 20 511 0 8 49152 0
malloc-64 64 661 95 23365 0 254 48384 0
tcp_inpcb 496 50 46 1380 0 254 47616 0
malloc-4096 4096 11 0 36 0 2 45056 0
pcpu-8 8 5291 341 7885 0 254 45056 0
clpbuf 2624 0 16 56 0 16 41984 0
malloc-8192 8192 5 0 5 0 1 40960 0
malloc-512 512 40 40 547 0 30 40960 0
malloc-64 64 571 59 798 0 254 40320 0
TURNSTILE 136 276 18 276 0 62 39984 0
malloc-256 256 114 36 1284 0 62 38400 0
pipe 744 23 27 538 0 16 37200 0
DIRHASH 1024 34 2 34 0 16 36864 0
NAMEI 1024 0 36 36829 0 16 36864 0
malloc-2048 2048 12 6 219 0 8 36864 0
pcpu-64 64 492 84 492 0 254 36864 0
vtnet_tx_hdr 24 0 1503 402493 0 254 36072 0
malloc-384 384 79 11 280 0 30 34560 0
zio_buf_16384 16384 0 2 10 0 1 32768 0
malloc-32768 32768 1 0 1 0 1 32768 0
malloc-8192 8192 4 0 4 0 1 32768 0
malloc-4096 4096 3 5 5085 0 2 32768 0
malloc-1024 1024 13 19 1484 0 16 32768 0
malloc-64 64 391 113 12026 0 254 32256 0
tcp_bbr_pcb 832 11 25 554 0 16 29952 0
SLEEPQUEUE 88 276 44 276 0 126 28160 0
KNOTE 160 28 147 53055 0 62 28000 0
itimer 352 0 77 221 0 30 27104 0
malloc-256 256 30 75 5175 0 62 26880 0
malloc-8192 8192 3 0 5 0 1 24576 0
malloc-2048 2048 6 6 328 0 8 24576 0
PWD 32 97 659 4919 0 254 24192 0
malloc-32 32 310 446 9709 0 254 24192 0
ttyinq 160 135 15 300 0 62 24000 0
udplite_inpcb 496 20 28 205 0 254 23808 0
malloc-128 128 90 96 5116 0 126 23808 0
ttyoutq 256 72 18 160 0 62 23040 0
tcp_rack_pcb 832 0 27 361 0 16 22464 0
malloc-4096 4096 2 3 85 0 2 20480 0
malloc-2048 2048 2 8 252 0 8 20480 0
malloc-1024 1024 17 3 29 0 16 20480 0
malloc-1024 1024 17 3 17 0 16 20480 0
sctp_laddr 48 44 376 2333 0 254 20160 0
malloc-64 64 208 107 5709 0 254 20160 0
malloc-32 32 440 190 14334 0 254 20160 0
8 Bucket 80 52 198 2240 0 126 20000 0
malloc-128 128 7 148 525 0 126 19840 0
sctp_readq 152 123 7 318 0 254 19760 0
Mountpoints 2752 2 5 2 0 4 19264 0
malloc-384 384 39 11 39 0 30 19200 0
malloc-16384 16384 1 0 1 0 1 16384 0
malloc-8192 8192 2 0 2 0 1 16384 0
malloc-4096 4096 2 2 20 0 2 16384 0
malloc-2048 2048 4 4 77 0 8 16384 0
malloc-1024 1024 11 5 11 0 16 16384 0
malloc-512 512 10 22 228 0 30 16384 0
tcp_rack_map 112 0 144 704 0 126 16128 0
malloc-64 64 161 91 269 0 254 16128 0
16 Bucket 144 56 56 537 0 62 16128 0
ripcb 496 5 27 167 0 254 15872 0
udp_inpcb 496 6 26 361 0 254 15872 0
malloc-384 384 35 5 37 0

---
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