Fatal trap NUM: page fault in knlist_remove_kq

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syzbot

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Jun 22, 2022, 3:08:22 AM6/22/22
to syzkaller-f...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: b256d2dc0c2f Temporarily skip flaky test case: sys.netpfil..
git tree: freebsd-src
console output: https://syzkaller.appspot.com/x/log.txt?x=14c40540080000
dashboard link: https://syzkaller.appspot.com/bug?extid=81270844d2029cf6ff5e

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+812708...@syzkaller.appspotmail.com

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0x18
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff8159acc6
stack pointer = 0x28:0xfffffe009c18c750
frame pointer = 0x28:0xfffffe009c18c7b0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 39430 (syz-executor.1)
trap number = 12
panic: page fault
cpuid = 0
time = 133
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe009c18bf30
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe009c18c090
vpanic() at vpanic+0x254/frame 0xfffffe009c18c170
panic() at panic+0xb5/frame 0xfffffe009c18c230
trap_fatal() at trap_fatal+0x6bd/frame 0xfffffe009c18c350
trap_pfault() at trap_pfault+0x182/frame 0xfffffe009c18c490
trap() at trap+0x5b3/frame 0xfffffe009c18c680
calltrap() at calltrap+0x8/frame 0xfffffe009c18c680
--- trap 0xc, rip = 0xffffffff8159acc6, rsp = 0xfffffe009c18c750, rbp = 0xfffffe009c18c7b0 ---
knlist_remove_kq() at knlist_remove_kq+0x66/frame 0xfffffe009c18c7b0
kqueue_drain() at kqueue_drain+0x51c/frame 0xfffffe009c18c820
kqueue_close() at kqueue_close+0xc8/frame 0xfffffe009c18c880
_fdrop() at _fdrop+0x58/frame 0xfffffe009c18c8b0
closef() at closef+0x689/frame 0xfffffe009c18ca90
fdescfree() at fdescfree+0xa84/frame 0xfffffe009c18cc70
exit1() at exit1+0x915/frame 0xfffffe009c18cd10
sys_exit() at sys_exit+0x28/frame 0xfffffe009c18cd30
amd64_syscall() at amd64_syscall+0x410/frame 0xfffffe009c18cf30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe009c18cf30
--- syscall (1, FreeBSD ELF64, sys_exit), rip = 0x2ebeda, rsp = 0x83229e508, rbp = 0x83229e510 ---
KDB: enter: panic
[ thread pid 39430 tid 143854 ]
Stopped at kdb_enter+0x6b: movq $0,0x275b2ea(%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 0xfffffe00033eee30
rdx 0xdffff7c000000000
rbx 0
rsp 0xfffffe009c18c070
rbp 0xfffffe009c18c090
rsi 0x1
rdi 0
r8 0x3
r9 0xffffffff
r10 0
r11 0xfffffe009ec496f0
r12 0
r13 0xfffffe009ec491e0
r14 0xffffffff82b5ae60 .str.26
r15 0xffffffff82b5ae60 .str.26
rip 0xffffffff8171b42b kdb_enter+0x6b
rflags 0x46
kdb_enter+0x6b: movq $0,0x275b2ea(%rip)
db> show proc
Process 39430 (syz-executor.1) at 0xfffffe0058c85000:
state: NORMAL
uid: 0 gids: 0, 0, 5
parent: pid 1 at 0xfffffe0053dcc000
ABI: FreeBSD ELF64
flag: 0x10002000 flag2: 0x40000
arguments: /root/syz-executor.1 exec
reaper: 0xfffffe0053dcc000 reapsubtree: 1
sigparent: 20
vmspace: 0xfffffe00a5e5f3f0
(map 0xfffffe00a5e5f3f0)
(map.pmap 0xfffffe00a5e5f4b0)
(pmap 0xfffffe00a5e5f518)
threads: 1
143854 Run CPU 0 syz-executor.1
db> ps
pid ppid pgrp uid state wmesg wchan cmd
39431 781 781 0 R (threaded) syz-executor.3
135018 RunQ syz-executor.3
143956 RunQ syz-executor.3
39430 1 777 0 RE CPU 0 syz-executor.1
39429 778 778 0 R (threaded) syz-executor.2
143834 RunQ syz-executor.2
143949 S uwait 0xfffffe0057844f00 syz-executor.2
39427 776 776 0 T (threaded) syz-executor.0
143552 s syz-executor.0
143954 RunQ syz-executor.0
39423 1 777 0 S uwait 0xfffffe00585cdc80 syz-executor.1
15674 0 0 0 DL mdwait 0xfffffe009f17c000 [md9]
7025 7019 7025 0 Ss select 0xfffffe0056fbc640 dhclient
7022 1 7022 0 Ss select 0xfffffe0056fbc4c0 dhclient
7019 7012 430 65 S select 0xfffffe0056f9cbc0 dhclient
7012 430 430 0 S wait 0xfffffe009f07b000 sh
7003 1 7003 65 Ss select 0xfffffe0056fbc540 dhclient
4576 1 4576 0 Ss select 0xfffffe00578718c0 dhclient
4573 1 4573 0 Ss select 0xfffffe0056f9c9c0 dhclient
4554 1 4554 65 Ss select 0xfffffe0056f9c940 dhclient
1056 1 1056 0 Ss select 0xfffffe0056f9cac0 dhclient
1053 1 1053 0 Ss select 0xfffffe0056fbc940 dhclient
781 774 781 0 Ss nanslp 0xffffffff83e43dc1 syz-executor.3
778 774 778 0 Ss nanslp 0xffffffff83e43dc1 syz-executor.2
777 774 777 0 Rs syz-executor.1
776 774 776 0 Rs nanslp 0xffffffff83e43dc1 syz-executor.0
774 772 772 0 S (threaded) syz-fuzzer
100104 S uwait 0xfffffe0058afff00 syz-fuzzer
100119 S uwait 0xfffffe00585cbd00 syz-fuzzer
100120 S kqread 0xfffffe005785bb00 syz-fuzzer
100121 S uwait 0xfffffe00585cbf00 syz-fuzzer
100122 S uwait 0xfffffe009e7c1f00 syz-fuzzer
100123 S uwait 0xfffffe009e7c2080 syz-fuzzer
100124 S uwait 0xfffffe0058b01980 syz-fuzzer
100125 S uwait 0xfffffe0058b01680 syz-fuzzer
100128 S uwait 0xfffffe0058b02180 syz-fuzzer
772 770 772 0 Ss pause 0xfffffe009efeb0b0 csh
770 688 770 0 Ss select 0xfffffe0056f9ca40 sshd
754 1 754 0 Ss+ ttyin 0xfffffe0056f2fcb0 getty
753 1 753 0 Ss+ ttyin 0xfffffe00585d70b0 getty
752 1 752 0 Ss+ ttyin 0xfffffe00585d74b0 getty
751 1 751 0 Ss+ ttyin 0xfffffe00585d78b0 getty
750 1 750 0 Ss+ ttyin 0xfffffe00585d7cb0 getty
749 1 749 0 Ss+ ttyin 0xfffffe00585d80b0 getty
748 1 748 0 Ss+ ttyin 0xfffffe00585d84b0 getty
747 1 747 0 Ss+ ttyin 0xfffffe00585d88b0 getty
746 1 746 0 Ss+ ttyin 0xfffffe00585d8cb0 getty
692 1 692 0 Ss nanslp 0xffffffff83e43dc1 cron
688 1 688 0 Ss select 0xfffffe0057871a40 sshd
501 1 501 0 Ss select 0xfffffe0056f9cd40 syslogd
430 1 430 0 Ss wait 0xfffffe0058c84000 devd
429 1 429 65 Ss select 0xfffffe0057871ac0 dhclient
344 1 344 0 Ss select 0xfffffe00578719c0 dhclient
341 1 341 0 Ss select 0xfffffe0056f9d040 dhclient
17 0 0 0 DL vlruwt 0xfffffe0056f67548 [vnlru]
16 0 0 0 DL syncer 0xffffffff83f695e0 [syncer]
15 0 0 0 DL (threaded) [bufdaemon]
100079 D psleep 0xffffffff83f67be0 [bufdaemon]
100082 D - 0xffffffff83211f80 [bufspacedaemon-0]
100095 D sdflush 0xfffffe0053c6e8e8 [/ worker]
9 0 0 0 DL psleep 0xffffffff83f9b700 [vmdaemon]
8 0 0 0 DL (threaded) [pagedaemon]
100077 D psleep 0xffffffff83f8f5b8 [dom0]
100083 D launds 0xffffffff83f8f5c4 [laundry: dom0]
100084 D umarcl 0xffffffff81e4d160 [uma]
7 0 0 0 DL - 0xffffffff83c003a8 [rand_harvestq]
6 0 0 0 RL [pf purge]
5 0 0 0 DL waiting 0xffffffff84766420 [sctp_iterator]
4 0 0 0 DL (threaded) [cam]
100044 D - 0xffffffff83aa3340 [doneq0]
100045 D - 0xffffffff83aa32c0 [async]
100076 D - 0xffffffff83aa3140 [scanner]
14 0 0 0 DL seqstat 0xfffffe0007962888 [sequencer 00]
3 0 0 0 DL (threaded) [crypto]
100040 D crypto_ 0xffffffff83f8ade0 [crypto]
100041 D crypto_ 0xfffffe0053e71d30 [crypto returns 0]
100042 D crypto_ 0xfffffe0053e71d80 [crypto returns 1]
13 0 0 0 DL (threaded) [geom]
100035 D - 0xffffffff83e193c0 [g_event]
100036 D - 0xffffffff83e193e0 [g_up]
100037 D - 0xffffffff83e19400 [g_down]
2 0 0 0 WL (threaded) [clock]
100029 I [clock (0)]
100030 I [clock (1)]
12 0 0 0 WL (threaded) [intr]
100015 I [swi5: fast taskq]
100018 I [swi6: task queue]
100019 I [swi6: Giant taskq]
100031 I [swi1: netisr 0]
100032 I [swi1: hpts]
100033 I [swi1: hpts]
100046 I [irq24: virtio_pci0]
100047 I [irq25: virtio_pci0]
100048 I [irq26: virtio_pci0]
100049 I [irq27: virtio_pci0]
100050 I [irq28: virtio_pci1]
100051 I [irq29: virtio_pci1]
100052 I [irq30: virtio_pci1]
100053 I [irq31: virtio_pci1]
100054 I [irq32: virtio_pci1]
100059 I [irq33: virtio_pci2]
100060 I [irq34: virtio_pci2]
100061 I [irq35: virtio_pci2]
100063 I [irq1: atkbd0]
100064 I [irq12: psm0]
100065 I [swi0: uart uart++]
100069 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 0xfffffe0053dcc000 [init]
10 0 0 0 DL audit_w 0xffffffff83f8b8c0 [audit]
0 0 0 0 DLs (threaded) [kernel]
100000 D swapin 0xffffffff83e19dc0 [swapper]
100005 D - 0xfffffe000817de00 [if_config_tqg_0]
100006 D - 0xfffffe000817dd00 [softirq_0]
100007 D - 0xfffffe000817dc00 [softirq_1]
100008 D - 0xfffffe000817db00 [if_io_tqg_0]
100009 D - 0xfffffe000817da00 [if_io_tqg_1]
100010 D - 0xfffffe000817d900 [inm_free taskq]
100011 D - 0xfffffe000817d800 [linuxkpi_irq_wq]
100012 D - 0xfffffe000817d700 [in6m_free taskq]
100013 D - 0xfffffe000817d600 [deferred_unmount ta]
100014 D - 0xfffffe000817d500 [thread taskq]
100016 D - 0xfffffe000817d300 [kqueue_ctx taskq]
100017 D - 0xfffffe000817d200 [pci_hp taskq]
100020 D - 0xfffffe000817ce00 [aiod_kick taskq]
100021 D - 0xfffffe000817cd00 [linuxkpi_short_wq_0]
100022 D - 0xfffffe000817cd00 [linuxkpi_short_wq_1]
100023 D - 0xfffffe000817cd00 [linuxkpi_short_wq_2]
100024 D - 0xfffffe000817cd00 [linuxkpi_short_wq_3]
100025 D - 0xfffffe000817cc00 [linuxkpi_long_wq_0]
100026 D - 0xfffffe000817cc00 [linuxkpi_long_wq_1]
100027 D - 0xfffffe000817cc00 [linuxkpi_long_wq_2]
100028 D - 0xfffffe000817cc00 [linuxkpi_long_wq_3]
100034 D - 0xfffffe000817cb00 [firmware taskq]
100038 D - 0xfffffe000817ca00 [crypto_0]
100039 D - 0xfffffe000817ca00 [crypto_1]
100055 D - 0xfffffe000817c800 [vtnet0 rxq 0]
100056 D - 0xfffffe000817c700 [vtnet0 txq 0]
100057 D - 0xfffffe000817c600 [vtnet0 rxq 1]
100058 D - 0xfffffe000817c500 [vtnet0 txq 1]
100062 D vtbslp 0xfffffe0056f9d380 [virtio_balloon]
100066 D - 0xffffffff82b60ce1 [deadlkres]
100070 D - 0xfffffe000817e100 [mca taskq]
100071 D - 0xfffffe00585d3300 [acpi_task_0]
100072 D - 0xfffffe00585d3300 [acpi_task_1]
100073 D - 0xfffffe00585d3300 [acpi_task_2]
100075 D - 0xfffffe000817c900 [CAM taskq]
db> show all locks
db> show malloc
Type InUse MemUse Requests
pf_hash 5 11524K 5
tcp_hpts 7 4801K 7
devbuf 4217 4323K 4247
sysctloid 35322 2081K 35510
vtbuf 24 1968K 46
kobj 328 1312K 508
newblk 9 1026K 38922
vfscache 3 1025K 3
pcb 216 755K 10703
inodedep 31 524K 40501
ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
intr 4 472K 4
vmem 3 274K 5
subproc 130 256K 39563
acpica 1674 184K 57552
vnet_data 1 168K 1
filedesc 20 153K 76467
tidhash 3 141K 3
linker 358 134K 386
pagedep 10 131K 38430
tfo_ccache 1 128K 1
DEVFS1 110 110K 128
sem 4 106K 4
sctp_stro 97 97K 788
bus 995 81K 5208
sctp_atcl 194 73K 5622
mtx_pool 2 72K 2
BPF 38 71K 2892
syncache 1 68K 1
module 514 65K 514
acpitask 1 64K 1
ddb_capture 1 64K 1
umtx 352 44K 352
kdtrace 209 42K 83389
temp 34 33K 6735
DEVFS3 129 33K 140
hostcache 1 32K 1
shm 1 32K 1
msg 4 30K 4
gtaskqueue 18 26K 18
kbdmux 6 22K 6
DEVFS_RULE 56 20K 56
ifaddr 69 20K 71
ufs_mount 4 17K 5
proc 3 17K 3
tty 16 16K 16
routetbl 130 16K 410
ithread 97 16K 97
bus-sc 34 15K 1681
sctp_timw 52 13K 52
lltable 42 13K 89
KTRACE 100 13K 100
sctp_atky 291 13K 6410
ifnet 7 13K 7
ether_multi 152 13K 162
eventhandler 136 12K 136
kenv 95 12K 95
GEOM 68 12K 551
rman 88 11K 431
CAM queue 5 11K 1528
kqueue 68 10K 44511
in6_multi 65 9K 65
bmsafemap 2 9K 39899
UART 12 9K 12
devstat 4 9K 4
ksem 1 8K 1
rpc 2 8K 2
shmfd 1 8K 579
pfs_vncache 1 8K 1
pfs_nodes 20 8K 20
audit_evclass 237 8K 296
taskqueue 63 7K 63
cred 25 7K 297
sglist 5 7K 5
CAM DEV 3 6K 510
plimit 23 6K 570
dirrem 22 6K 39429
ufs_dirhash 24 5K 24
UMA 272 5K 273
pf_ifnet 10 5K 19
DEVFSP 67 5K 5196
vt 11 5K 11
md_disk 2 5K 219
memdesc 1 4K 1
MCA 32 4K 32
md_sectors 1 4K 2
evdev 4 4K 4
session 31 4K 47
acpisem 28 4K 28
pwddesc 56 4K 39403
proc-args 89 4K 40502
hhook 15 4K 17
kcovinfo 52 4K 52
sctp_athm 194 4K 5622
sctp_map 194 4K 1576
lockf 28 3K 47
selfd 45 3K 500502
terminal 11 3K 11
freefile 21 3K 39426
uidinfo 3 3K 9
local_apic 1 2K 1
io_apic 1 2K 1
fpukern_ctx 2 2K 2
ipsec-saq 2 2K 2
select 16 2K 49
ip6ndp 12 2K 14
Unitno 29 2K 2493
sctp_ifa 13 2K 14
CAM XPT 22 2K 543
msi 12 2K 12
in_multi 6 2K 8
ipsecpolicy 2 2K 2
acpidev 20 2K 20
clone 9 2K 9
tun 7 2K 7
softdep 1 1K 1
mkdir 8 1K 76828
sahead 1 1K 1
secasvar 1 1K 1
nhops 6 1K 8
vnodemarker 2 1K 70
NFSD session 1 1K 1
CAM periph 4 1K 271
freework 4 1K 38421
sctp_ifn 6 1K 14
ipsec 3 1K 3
freeblks 3 1K 38420
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
newdirblk 5 1K 38414
crypto 4 1K 4
encap_export_host 12 1K 12
diradd 4 1K 39467
pfil 4 1K 4
procdesc 4 1K 16
cdev 2 1K 2
inpcbpolicy 14 1K 11998
osd 8 1K 3208
chacha20random 1 1K 1
NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
DEVFS 9 1K 10
CC Mem 4 1K 3252
vnodes 1 1K 1
CAM SIM 2 1K 2
feeder 7 1K 7
cryptodev 3 1K 3122
tcpfunc 3 1K 3
loginclass 3 1K 60
prison 6 1K 6
lkpikmalloc 5 1K 6
aesni_data 2 1K 2
nexusdev 8 1K 8
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
soname 4 1K 10736
sctp_vrf 1 1K 1
vnet 1 1K 1
entropy 2 1K 42
pmc 1 1K 1
acpiintr 1 1K 1
filecaps 4 1K 108
filedesc_to_leader 1 1K 73
cpus 2 1K 2
vnet_data_free 1 1K 1
Per-cpu 1 1K 1
p1003.1b 1 1K 1
pf_table 0 0K 0
pf_rule 0 0K 0
pf_altq 0 0K 0
pf_osfp 0 0K 0
pf_temp 0 0K 0
tcp_do 0 0K 0
tcp_fsb 0 0K 35
mqdata 0 0K 0
sctp_mcore 0 0K 0
sctp_socko 0 0K 3219
sctp_iter 0 0K 12
sctp_mvrf 0 0K 0
sctp_cpal 0 0K 0
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 0
sctp_stri 0 0K 0
ipcomp 0 0K 0
esp 0 0K 0
ah 0 0K 0
filemon 0 0K 0
NFSCL layrecall 0 0K 0
NFSCL session 0 0K 0
madt_table 0 0K 2
smartpqi 0 0K 0
NFSCL sockreq 0 0K 0
NFSCL devinfo 0 0K 0
NFSCL flayout 0 0K 0
ixl 0 0K 0
NFSCL layout 0 0K 0
NFSD rollback 0 0K 0
NFSCL diroff 0 0K 0
NEWdirectio 0 0K 0
NEWNFSnode 0 0K 0
NFSCL lck 0 0K 0
NFSCL lckown 0 0K 0
ice-resmgr 0 0K 0
ice-osdep 0 0K 0
ice 0 0K 0
iavf 0 0K 0
axgbe 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
NFSD usrgroup 0 0K 0
NFSD string 0 0K 0
NFSD V4lock 0 0K 0
xen_intr 0 0K 0
NFSD V4state 0 0K 0
xen_hvm 0 0K 0
legacydrv 0 0K 0
bounce 0 0K 0
busdma 0 0K 0
qpidrv 0 0K 0
NFSD srvcache 0 0K 0
msdosfs_fat 0 0K 0
dmar_idpgtbl 0 0K 0
dmar_dom 0 0K 0
dmar_ctx 0 0K 0
msdosfs_mount 0 0K 0
msdosfs_node 0 0K 0
isci 0 0K 0
iommu_dmamap 0 0K 0
hyperv_socket 0 0K 0
bxe_ilt 0 0K 0
xenbus 0 0K 0
DEVFS4 0 0K 0
vm_fictitious 0 0K 0
DEVFS2 0 0K 0
gntdev 0 0K 0
privcmd_dev 0 0K 0
evtchn_dev 0 0K 0
xenstore 0 0K 0
scsi_pass 0 0K 0
ciss_data 0 0K 0
xnb 0 0K 0
xen_acpi 0 0K 0
xbbd 0 0K 0
xbd 0 0K 0
UMAHash 0 0K 0
Balloon 0 0K 0
sysmouse 0 0K 0
vm_pgdata 0 0K 0
jblocks 0 0K 0
savedino 0 0K 26760
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 33
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
freefrag 0 0K 2
allocindir 0 0K 0
indirdep 0 0K 10
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
vtfont 0 0K 0
BACKLIGHT 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
pvscsi 0 0K 0
scsi_da 0 0K 69
ata_da 0 0K 0
scsi_ch 0 0K 0
scsi_cd 0 0K 0
ktls_ocf 0 0K 0
AHCI driver 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5EEPROM 0 0K 0
MLX5E_TLS_RX 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
MLX5EEPROM 0 0K 0
seq_file 0 0K 0
lkpiskb 0 0K 0
radix 0 0K 0
idr 0 0K 0
lkpindev 0 0K 0
lkpifw 0 0K 0
lkpi80211 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 141
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
USBdev 0 0K 0
USB 0 0K 0
LRO 0 0K 0
ip_msource 0 0K 0
ip_moptions 0 0K 61
in_mfilter 0 0K 0
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 0
agp 0 0K 0
statfs 0 0K 40477
namei_tracker 0 0K 88
export_host 0 0K 0
cl_savebuf 0 0K 2
nvme_da 0 0K 0
acpipwr 0 0K 0
acpi_perf 0 0K 0
twsbuf 0 0K 0
twe_commands 0 0K 0
tcp_log_dev 0 0K 0
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 523
biobuf 0 0K 0
aio 0 0K 0
lio 0 0K 0
acl 0 0K 0
mbuf_tag 0 0K 137
ktls 0 0K 0
PUC 0 0K 0
ppbusdev 0 0K 0
agtiapi_MemAlloc malloc 0 0K 0
osti_cacheable 0 0K 0
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
accf 0 0K 0
pts 0 0K 0
iov 0 0K 19781
ioctlops 0 0K 6429
eventfd 0 0K 7313
Witness 0 0K 0
stack 0 0K 0
mrsasbuf 0 0K 0
mpt_user 0 0K 0
mps_user 0 0K 0
MPSSAS 0 0K 0
mps 0 0K 0
sbuf 0 0K 312
mpr_user 0 0K 0
firmware 0 0K 0
compressor 0 0K 0
MPRSAS 0 0K 0
SWAP 0 0K 0
mpr 0 0K 0
mfibuf 0 0K 0
sysctltmp 0 0K 749
sysctl 0 0K 3
ekcd 0 0K 0
dumper 0 0K 0
sendfile 0 0K 0
rctl 0 0K 0
malodev 0 0K 0
LED 0 0K 0
ix_sriov 0 0K 0
cache 0 0K 0
aacraidcam 0 0K 0
prison_racct 0 0K 0
Fail Points 0 0K 0
sigio 0 0K 1
pwd 0 0K 0
tty console 0 0K 0
ix 0 0K 0
ipsbuf 0 0K 0
aacraid_buf 0 0K 0
aaccam 0 0K 0
boottrace 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
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 84
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
db> show uma
Zone Size Used Free Requests Sleeps Bucket Total Mem XFree
mbuf_jumbo_page 4096 8320 1078 54693 0 254 38494208 0
pbuf 2624 0 989 0 0 2 2595136 0
mbuf 256 8733 931 200680 0 254 2473984 0
malloc-384 384 4193 2167 44711 0 30 2442240 0
mbuf_cluster 2048 1016 0 1016 0 254 2080768 0
malloc-128 128 12525 2231 175862 0 126 1888768 0
BUF TRIE 144 183 11577 3140 0 62 1693440 0
malloc-4096 4096 341 5 534 0 2 1417216 0
UMA Slabs 0 112 11293 5 11293 0 126 1265376 0
sctp_asoc 2256 97 413 788 0 254 1150560 0
vmem btag 56 18804 27 18804 0 254 1054536 0
malloc-2048 2048 105 399 5083 0 8 1032192 0
RADIX NODE 144 6095 676 783819 0 63 975024 0
sctp_ep 1208 97 673 4834 0 254 930160 0
FFS inode 1160 515 122 39941 0 8 738920 0
malloc-256 256 357 2193 87864 0 62 652800 0
VM OBJECT 264 2224 146 835908 0 30 625680 0
malloc-256 256 2 2293 66659 0 62 587520 0
tcpcb 1104 4 507 3197 0 254 564144 0
malloc-1024 1024 100 380 839 0 16 491520 0
socket 960 35 473 18105 0 254 487680 0
256 Bucket 2048 188 22 1501 0 8 430080 0
malloc-65536 65536 4 2 138 0 1 393216 0
lkpimm 168 1 2327 1 0 62 391104 0
lkpicurr 168 2 2326 2 0 62 391104 0
sctp_raddr 736 97 420 788 0 254 380512 0
malloc-384 384 194 766 5623 0 30 368640 0
VNODE 448 554 166 39982 0 30 322560 0
THREAD 1808 151 25 43956 0 8 318208 0
malloc-4096 4096 62 6 39739 0 2 278528 0
malloc-64 64 3913 434 507433 0 254 278208 0
MAP ENTRY 96 2675 223 1980778 0 126 278208 0
malloc-65536 65536 2 2 138 0 1 262144 0
mbuf_packet 256 55 961 46387 0 254 260096 0
malloc-16 16 14624 376 18026 0 254 240000 0
DEVCTL 1024 19 201 159 0 0 225280 0
malloc-16384 16384 10 3 38392 0 1 212992 0
malloc-65536 65536 2 1 10 0 1 196608 0
malloc-128 128 1315 204 27089 0 126 194432 0
malloc-256 256 244 506 43579 0 62 192000 0
UMA Zones 768 244 5 245 0 16 191232 0
malloc-32 32 5354 568 6481 0 254 189504 0
FPU_save_area 832 153 63 45720 0 16 179712 0
FFS2 dinode 256 515 175 39941 0 62 176640 0
malloc-256 256 83 607 39979 0 62 176640 0
S VFS Cache 104 1022 499 42218 0 126 158184 0
malloc-1024 1024 121 23 296 0 16 147456 0
unpcb 256 17 493 1240 0 254 130560 0
VMSPACE 2552 39 9 39162 0 4 122496 0
64 Bucket 512 152 80 26601 0 30 118784 0
128 Bucket 1024 78 37 4623 0 16 117760 0
ksiginfo 112 63 981 1926 0 126 116928 0
malloc-64 64 943 632 83496 0 254 100800 0
malloc-32768 32768 1 2 121 0 1 98304 0
malloc-16384 16384 6 0 21 0 1 98304 0
PROC 1352 56 16 39431 0 8 97344 0
pipe 744 22 108 2617 0 16 96720 0
tcp_inpcb 424 4 212 3197 0 30 91584 0
malloc-8192 8192 10 1 12 0 1 90112 0
malloc-4096 4096 18 4 351 0 2 90112 0
filedesc0 1072 57 27 39403 0 8 90048 0
UMA Kegs 384 230 3 231 0 30 89472 0
g_bio 408 0 210 15083 0 30 85680 0
malloc-128 128 397 254 4666 0 126 83328 0
malloc-2048 2048 9 31 516 0 8 81920 0
32 Bucket 256 188 127 26643 0 62 80640 0
sctp_chunk 152 98 422 549 0 254 79040 0
udp_inpcb 424 6 174 5717 0 30 76320 0
malloc-64 64 649 422 46217 0 254 68544 0
malloc-65536 65536 1 0 1 0 1 65536 0
ripcb 424 4 149 2374 0 30 64872 0
malloc-512 512 9 111 7709 0 30 61440 0
sctp_stream_msg_out 112 0 540 598 0 254 60480 0
udplite_inpcb 424 0 126 710 0 30 53424 0
malloc-64 64 105 714 18579 0 254 52416 0
Files 80 211 439 96613 0 126 52000 0
malloc-256 256 92 103 816 0 62 49920 0
malloc-256 256 7 188 38479 0 62 49920 0
malloc-256 256 61 134 641 0 62 49920 0
malloc-256 256 14 181 38600 0 62 49920 0
DIRHASH 1024 35 13 35 0 16 49152 0
NAMEI 1024 0 48 194630 0 16 49152 0
malloc-8192 8192 5 1 106 0 1 49152 0
malloc-4096 4096 9 3 552 0 2 49152 0
malloc-2048 2048 14 10 135 0 8 49152 0
malloc-2048 2048 1 23 548 0 8 49152 0
malloc-1024 1024 4 44 512 0 16 49152 0
malloc-384 384 83 37 83 0 30 46080 0
pcpu-8 8 4687 945 20100 0 254 45056 0
syncache 168 0 264 4 0 254 44352 0
malloc-32 32 205 1181 5809 0 254 44352 0
clpbuf 2624 0 16 20 0 16 41984 0
malloc-8192 8192 3 2 47 0 1 40960 0
malloc-8192 8192 3 2 37 0 1 40960 0
da_ccb 544 0 70 3867 0 16 38080 0
malloc-64 64 108 459 108 0 254 36288 0
malloc-64 64 71 496 132 0 254 36288 0
malloc-64 64 2 565 680 0 254 36288 0
malloc-64 64 0 567 203 0 254 36288 0
malloc-128 128 35 244 247 0 126 35712 0
malloc-128 128 67 212 92 0 126 35712 0
malloc-128 128 77 202 232 0 126 35712 0
malloc-128 128 90 189 38844 0 126 35712 0
malloc-128 128 11 268 166 0 126 35712 0
routing nhops 256 27 108 34 0 62 34560 0
ttyoutq 256 72 63 160 0 62 34560 0
malloc-384 384 74 16 414 0 30 34560 0
TURNSTILE 136 177 75 177 0 62 34272 0
SLEEPQUEUE 88 177 207 177 0 126 33792 0
malloc-32768 32768 1 0 1 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-2048 2048 1 15 13 0 8 32768 0
malloc-2048 2048 1 15 3 0 8 32768 0
malloc-2048 2048 2 14 531 0 8 32768 0
malloc-1024 1024 13 19 2107 0 16 32768 0
malloc-1024 1024 20 12 37 0 16 32768 0
malloc-1024 1024 10 22 14 0 16 32768 0
malloc-1024 1024 2 30 11 0 16 32768 0
malloc-512 512 6 58 1453 0 30 32768 0
malloc-512 512 8 56 9 0 30 32768 0
malloc-512 512 2 62 51 0 30 32768 0
pcpu-64 64 493 19 493 0 254 32768 0
ertt_txseginfo 40 0 808 50996 0 254 32320 0
tcp_rack_pcb 896 0 36 35 0 16 32256 0
KNOTE 160 30 170 257553 0 62 32000 0
ttyinq 160 135 65 300 0 62 32000 0
8 Bucket 80 107 293 6260 0 126 32000 0
tcp_bbr_pcb 832 0 36 21 0 16 29952 0
cpuset 104 7 272 629 0 126 29016 0
sctp_laddr 48 0 588 12 0 254 28224 0
udp_inpcb ports 32 3 879 1614 0 254 28224 0
ertt 72 4 388 3197 0 126 28224 0
PWD 32 21 861 38315 0 254 28224 0
malloc-32 32 400 482 8308 0 254 28224 0
malloc-32 32 144 738 12128 0 254 28224 0
16 Bucket 144 88 108 675 0 62 28224 0
4 Bucket 48 6 582 876 0 254 28224 0
malloc-4096 4096 0 6 40443 0 2 24576 0
rtentry 176 30 108 34 0 62 24288 0
PGRP 88 31 245 47 0 126 24288 0
rl_entry 40 70 536 70 0 254 24240 0
malloc-16 16 207 1293 7018 0 254 24000 0
malloc-384 384 22 38 24 0 30 23040 0
malloc-384 384 4 56 25 0 30 23040 0
malloc-384 384 0 60 45 0 30 23040 0
domainset 40 0 567 599 0 254 22680 0
hostcache 64 1 314 1 0 254 20160 0
udpcb 32 6 624 6427 0 254 20160 0
tcp_inpcb ports 32 2 628 2 0 254 20160 0
malloc-32 32 77 553 2541 0 254 20160 0
malloc-32 32 46 584 42097 0 254 20160 0
malloc-32 32 41 589 669 0 254 20160 0
malloc-32 32 0 630 335 0 254 20160 0
2 Bucket 32 49 581 4269 0 254 20160 0
malloc-16 16 560 690 48011 0 254 20000 0
malloc-16 16 217 1033 1605 0 254 20000 0
Mountpoints 2752 2 5 2 0 4 19264 0
epoch_record pcpu 256 4 60 4 0 62 16384 0
malloc-16384 16384 1 0 1 0 1 16384 0
malloc-4096 4096 1 3 4 0 2 16384 0
malloc-4096 4096 3 1 4 0 2 16384 0
malloc-512 512 1 31 119 0 30 16384 0
malloc-512 512 0 32 1 0 30 16384 0
SMR CPU 32 7 504 7 0 254 16352 0
ipq 56 0 288 2 0 254 16128 0
vtnet_tx_hdr 24 0 668 53394 0 254 16032 0
kenv 258 15 45 1051 0 30 15480 0
mqnode 416 3 33 3 0 30 14976 0
vmem 1856 1 7 1 0 8 14848 0
SMR SHARED 24 7 504 7 0 254 12264 0
malloc-16 16 23 727 24 0 254 12000 0
malloc-16 16 34 716 29554 0 254 12000 0
malloc-16 16 11 739 13 0 254 12000 0
itimer 352 0 33 60 0 30 11616 0
malloc-4096 4096 0 2 4 0 2 8192 0
malloc-16 16 4 496 15 0 254 8000 0
pcpu-16 16 7 249 7 0 254 4096 0
UMA Slabs 1 176 11 11 11 0 62 3872 0
KMAP ENTRY 96 12 27 14 0 0 3744 0
pcpu-4 4 1 511 1 0 254 2048 0
md9 4 0 0 0 0 254 0 0
FFS1 dinode 128 0 0 0 0 126 0 0
ada_ccb 272 0 0 0 0 30 0 0
swblk 136 0 0 0 0 62 0 0
swpctrie 144 0 0 0 0 62 0 0
cdg_qdiffsample 16 0 0 0 0 254 0 0
pf state scrubs 40 0 0 0 0 254 0 0
pf frag entries 40 0 0 0 0 254 0 0
pf frags 248 0 0 0 0 62 0 0
pf table entries 160 0 0 0 0 254 0 0
pf table entry counters 64 0 0 0 0 254 0 0
pf source nodes 136 0 0 0 0 254 0 0
pf state keys 88 0 0 0 0 126 0 0
pf states 312 0 0 0 0 254 0 0
pf tags 104 0 0 0 0 126 0 0
pf mtags 184 0 0 0 0 62 0 0
tcp_bbr_map 128 0 0 0 0 126 0 0
tcp_rack_map 120 0 0 0 0 126 0 0
tfo_ccache_entries 80 0 0 0 0 126 0 0
tfo 4 0 0 0 0 254 0 0
sackhole 32 0 0 0 0 254 0 0
tcptw 72 0 0 0 0 254 0 0
sctp_asconf_ack 48 0 0 0 0 254 0 0
sctp_asconf 40 0 0 0 0 254 0 0
sctp_readq 152 0 0 0 0 254 0 0
tcp_log_id_node 120 0 0 0 0 126 0 0
tcp_log_id_bucket 176 0 0 0 0 62 0 0
tcp_log 416 0 0 0 0 254 0 0
tcpreass 48 0 0 0 0 254 0 0
udplite_inpcb ports 32 0 0 0 0 254 0 0
ripcb ports 32 0 0 0 0 254 0 0
IPsec SA lft_c 16 0 0 0 0 254 0 0
AIOLIO 272 0 0 0 0 30 0 0
AIOCB 552 0 0 0 0 16 0 0
AIO 208 0 0 0 0 62 0 0
mqnotifier 216 0 0 0 0 62 0 0
mvdata 64 0 0 0 0 254 0 0
mqueue 248 0 0 0 0 62 0 0
NCLNODE 608 0 0 0 0 16 0 0
TMPFS node 224 0 0 0 0 62 0 0
LTS VFS Cache 360 0 0 0 0 30 0 0
L VFS Cache 320 0 0 0 0 30 0 0
STS VFS Cache 144 0 0 0 0 62 0 0
cryptop 280 0 0 0 0 30 0 0
linux_dma_object 32 0 0 0 0 254 0 0
linux_dma_pctrie 144 0 0 0 0 62 0 0
IOMMU_MAP_ENTRY 120 0 0 0 0 126 0 0
mbuf_jumbo_16k 16384 0 0 0 0 254 0 0
mbuf_jumbo_9k 9216 0 0 0 0 254 0 0
audit_record 1280 0 0 0 0 8 0 0
MAC labels 40 0 0 0 0 254 0 0
vnpbuf 2624 0 0 0 0 64 0 0
mdpbuf 2624 0 0 0 0 3 0 0
nfspbuf 2624 0 0 0 0 16 0 0
swwbuf 2624 0 0 0 0 8 0 0
swrbuf 2624 0 0 0 0 16 0 0
umtx_shm 88 0 0 0 0 126 0 0
umtx pi 96 0 0 0 0 126 0 0
rangeset pctrie nodes 144 0 0 0 0 62 0 0
malloc-65536 65536 0 0 0 0 1 0 0
malloc-65536 65536 0 0 0 0 1 0 0
malloc-65536 65536 0 0

---
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unread,
Sep 20, 2022, 3:08:32 AM9/20/22
to syzkaller-f...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
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