panic: filt_timerattach: periodic timer has a calculated zero timeout

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syzbot

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Oct 1, 2021, 12:56:25 PM10/1/21
to syzkaller-f...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: a36230f75e0a tcp: Make dsack stats available in netstat an..
git tree: https://github.com/freebsd/freebsd-src.git main
console output: https://syzkaller.appspot.com/x/log.txt?x=1309697f300000
dashboard link: https://syzkaller.appspot.com/bug?extid=1c8d1154f560b3930042
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+1c8d11...@syzkaller.appspotmail.com

panic: filt_timerattach: periodic timer has a calculated zero timeout
cpuid = 1
time = 1633107326
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe009bfa11b0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe009bfa1310
vpanic() at vpanic+0x2c5/frame 0xfffffe009bfa13f0
panic() at panic+0xb5/frame 0xfffffe009bfa14b0
filt_timerattach() at filt_timerattach+0x3c3/frame 0xfffffe009bfa1590
kqueue_register() at kqueue_register+0xe5e/frame 0xfffffe009bfa16d0
kqueue_kevent() at kqueue_kevent+0x218/frame 0xfffffe009bfa1ae0
kern_kevent_fp() at kern_kevent_fp+0xec/frame 0xfffffe009bfa1b30
kern_kevent() at kern_kevent+0x157/frame 0xfffffe009bfa1c10
freebsd11_freebsd32_kevent() at freebsd11_freebsd32_kevent+0x238/frame 0xfffffe009bfa1d30
ia32_syscall() at ia32_syscall+0x41f/frame 0xfffffe009bfa1f30
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xfbffcf78
KDB: enter: panic
[ thread pid 1890 tid 101366 ]
Stopped at kdb_enter+0x6b: movq $0,0x28df52a(%rip)
db>
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs 0x20
ds 0x3b
es 0x3b
fs 0x13
gs 0x1b
ss 0
rax 0x12
rcx 0x83243c6f33489df8
rdx 0x3ffff
rbx 0
rsp 0xfffffe009bfa12f0
rbp 0xfffffe009bfa1310
rsi 0x40001
rdi 0xffffffff817be81a vprintf+0x35a
r8 0
r9 0xfffffe009bfa0e28
r10 0
r11 0xfffffe009eba9c50
r12 0xfffffe009eba9740
r13 0xfffffe009bfa1301
r14 0xffffffff82c83d60 .str.18
r15 0xffffffff82c83d60 .str.18
rip 0xffffffff817b218b kdb_enter+0x6b
rflags 0x200046 kernload+0x46
kdb_enter+0x6b: movq $0,0x28df52a(%rip)
db> show proc
Process 1890 (syz-executor.1) at 0xfffffe00a851e538:
state: NORMAL
uid: 0 gids: 0, 0, 5
parent: pid 783 at 0xfffffe009e9d6538
ABI: FreeBSD ELF32
flag: 0x10000080 flag2: 0
arguments: /root/syz-executor.1 exec
reaper: 0xfffffe0053d59538 reapsubtree: 1
sigparent: 20
vmspace: 0xfffffe00a7aa93e0
(map 0xfffffe00a7aa93e0)
(map.pmap 0xfffffe00a7aa94a0)
(pmap 0xfffffe00a7aa9500)
threads: 2
101302 Run CPU 0 syz-executor.1
101366 Run CPU 1 syz-executor.1
db> ps
pid ppid pgrp uid state wmesg wchan cmd
1890 783 783 0 R (threaded) syz-executor.1
101302 Run CPU 0 syz-executor.1
101366 Run CPU 1 syz-executor.1
1889 811 811 0 R syz-executor.3
1888 793 793 0 R (threaded) syz-executor.2
100851 RunQ syz-executor.2
101365 S uwait 0xfffffe005884d480 syz-executor.2
1887 782 782 0 R (threaded) syz-executor.0
100109 RunQ syz-executor.0
101364 RunQ syz-executor.0
1323 1 1323 0 S uwait 0xfffffe005884d380 syz-executor.3
1321 1 1321 0 S uwait 0xfffffe009e56f000 syz-executor.2
1318 1 1318 0 S uwait 0xfffffe0058850b00 syz-executor.0
1315 1 1315 0 S uwait 0xfffffe009ea0e900 syz-executor.2
1314 1 1314 0 S uwait 0xfffffe005885ef00 syz-executor.0
1313 1 1313 0 S uwait 0xfffffe009ea99400 syz-executor.3
1308 1 1308 0 S umtxn 0xfffffe009eaf4c80 syz-executor.1
1306 1 1306 0 S uwait 0xfffffe005884d280 syz-executor.0
1305 1 1305 0 S uwait 0xfffffe009e56f800 syz-executor.3
1303 1 1303 0 S umtxn 0xfffffe009ea0e200 syz-executor.0
1301 1 1301 0 S uwait 0xfffffe009ea99700 syz-executor.3
1300 1 1300 0 S uwait 0xfffffe005885ea00 syz-executor.2
1298 1 1298 0 S uwait 0xfffffe009ea0e000 syz-executor.0
1297 1 1297 0 S uwait 0xfffffe009ea0ea00 syz-executor.1
1294 1 1294 0 S uwait 0xfffffe009e503780 syz-executor.0
1291 1 1291 0 S uwait 0xfffffe005885e600 syz-executor.3
1290 1 1290 0 S uwait 0xfffffe005885e900 syz-executor.1
1289 1 1289 0 S uwait 0xfffffe005854da00 syz-executor.2
1286 1 1286 0 S uwait 0xfffffe005885eb00 syz-executor.0
1283 1 1283 0 S uwait 0xfffffe009ea0e800 syz-executor.2
1282 1 1282 0 S uwait 0xfffffe009ea0e500 syz-executor.3
1281 1272 1281 0 Ss select 0xfffffe00588af340 dhclient
1277 1 1277 0 S uwait 0xfffffe009e56fe00 syz-executor.0
1275 1 1275 0 Ss select 0xfffffe005755f0c0 dhclient
1272 1264 436 65 S select 0xfffffe009eac5ec0 dhclient
1264 436 436 0 S wait 0xfffffe009ea3ba70 sh
1259 1 1259 0 S uwait 0xfffffe009e56ff00 syz-executor.2
1250 1 1250 0 S uwait 0xfffffe009e56f900 syz-executor.0
1232 1 1232 0 S uwait 0xfffffe0056fee280 syz-executor.0
1225 1 1225 0 S uwait 0xfffffe005741b280 syz-executor.0
811 780 811 0 Rs syz-executor.3
793 780 793 0 Rs syz-executor.2
783 780 783 0 Rs syz-executor.1
782 780 782 0 Rs syz-executor.0
780 778 778 0 S (threaded) syz-fuzzer
100126 S uwait 0xfffffe009e503280 syz-fuzzer
100127 S uwait 0xfffffe005885ee00 syz-fuzzer
100128 S uwait 0xfffffe009e56fa00 syz-fuzzer
100129 S uwait 0xfffffe009e56fb00 syz-fuzzer
100130 S uwait 0xfffffe009e56fc00 syz-fuzzer
100131 S uwait 0xfffffe009e503380 syz-fuzzer
100132 S uwait 0xfffffe009e503480 syz-fuzzer
100133 S kqread 0xfffffe00575a0b00 syz-fuzzer
100141 S uwait 0xfffffe009ea0ee80 syz-fuzzer
100146 S uwait 0xfffffe009ea0e700 syz-fuzzer
778 776 778 0 Ss pause 0xfffffe009e9d60b0 csh
776 694 776 0 Ss select 0xfffffe00588af240 sshd
761 1 761 0 Ss+ ttyin 0xfffffe005700f8b0 getty
760 1 760 0 Ss+ ttyin 0xfffffe00575f08b0 getty
759 1 759 0 Ss+ ttyin 0xfffffe00575ed0b0 getty
758 1 758 0 Ss+ ttyin 0xfffffe00575ed8b0 getty
757 1 757 0 Ss+ ttyin 0xfffffe00575e90b0 getty
756 1 756 0 Ss+ ttyin 0xfffffe00575e98b0 getty
755 1 755 0 Ss+ ttyin 0xfffffe00575e30b0 getty
754 1 754 0 Ss+ ttyin 0xfffffe00575e38b0 getty
753 1 753 0 Ss+ ttyin 0xfffffe00575840b0 getty
698 1 698 0 Ss nanslp 0xffffffff8405e580 cron
694 1 694 0 Ss select 0xfffffe00588af3c0 sshd
507 1 507 0 Ss select 0xfffffe00588afd40 syslogd
436 1 436 0 Ss wait 0xfffffe0058947a70 devd
435 1 435 65 Ss select 0xfffffe00588af640 dhclient
350 1 350 0 Ss select 0xfffffe009e315540 dhclient
347 1 347 0 Ss select 0xfffffe009e3156c0 dhclient
23 0 0 0 DL syncer 0xffffffff84186960 [syncer]
22 0 0 0 DL vlruwt 0xfffffe0058554538 [vnlru]
21 0 0 0 DL (threaded) [bufdaemon]
100085 D qsleep 0xffffffff84184660 [bufdaemon]
100088 D - 0xffffffff83411f80 [bufspacedaemon-0]
100099 D sdflush 0xfffffe00588460e8 [/ worker]
20 0 0 0 DL psleep 0xffffffff841bcb80 [vmdaemon]
19 0 0 0 DL (threaded) [pagedaemon]
100083 D psleep 0xffffffff841b06b8 [dom0]
100089 D launds 0xffffffff841b06c4 [laundry: dom0]
100090 D umarcl 0xffffffff81eb69f0 [uma]
18 0 0 0 DL - 0xffffffff83e14ba0 [rand_harvestq]
17 0 0 0 DL waiting 0xffffffff84a016e0 [sctp_iterator]
16 0 0 0 DL pftm 0xffffffff84bcc2f0 [pf purge]
15 0 0 0 DL - 0xffffffff8417f880 [soaiod4]
9 0 0 0 DL - 0xffffffff8417f880 [soaiod3]
8 0 0 0 DL - 0xffffffff8417f880 [soaiod2]
7 0 0 0 DL - 0xffffffff8417f880 [soaiod1]
6 0 0 0 DL (threaded) [cam]
100048 D - 0xffffffff83c9a3c0 [doneq0]
100049 D - 0xffffffff83c9a340 [async]
100082 D - 0xffffffff83c9a1c0 [scanner]
14 0 0 0 DL seqstat 0xfffffe0056ac6888 [sequencer 00]
5 0 0 0 DL crypto_ 0xfffffe0053e06880 [crypto returns 1]
4 0 0 0 DL crypto_ 0xfffffe0053e06830 [crypto returns 0]
3 0 0 0 DL crypto_ 0xffffffff841aa760 [crypto]
13 0 0 0 DL (threaded) [geom]
100039 D - 0xffffffff84031a80 [g_event]
100040 D - 0xffffffff84031ac0 [g_up]
100041 D - 0xffffffff84031b00 [g_down]
2 0 0 0 DL (threaded) [KTLS]
100029 D - 0xfffffe0053df9b00 [thr_0]
100030 D - 0xfffffe0053df9b80 [thr_1]
100031 D - 0xffffffff84180c08 [alloc_0]
12 0 0 0 WL (threaded) [intr]
100011 I [swi6: task queue]
100012 I [swi6: Giant taskq]
100014 I [swi5: fast taskq]
100032 I [swi1: netisr 0]
100033 I [swi3: vm]
100034 I [swi4: clock (0)]
100035 I [swi4: clock (1)]
100036 I [swi1: hpts]
100037 I [swi1: hpts]
100050 I [irq24: virtio_pci0]
100051 I [irq25: virtio_pci0]
100052 I [irq26: virtio_pci0]
100053 I [irq27: virtio_pci0]
100054 I [irq28: virtio_pci1]
100055 I [irq29: virtio_pci1]
100056 I [irq30: virtio_pci1]
100057 I [irq31: virtio_pci1]
100058 I [irq32: virtio_pci1]
100063 I [irq10: virtio_pci2]
100065 I [irq1: atkbd0]
100066 I [irq12: psm0]
100067 I [swi0: uart uart++]
100075 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 0xfffffe0053d59538 [init]
10 0 0 0 DL audit_w 0xffffffff841ab700 [audit]
0 0 0 0 DLs (threaded) [kernel]
100000 D swapin 0xffffffff84032980 [swapper]
100005 D - 0xfffffe0053df2e00 [softirq_0]
100006 D - 0xfffffe0053df2d00 [softirq_1]
100007 D - 0xfffffe0053df2c00 [if_io_tqg_0]
100008 D - 0xfffffe0053df2b00 [if_io_tqg_1]
100009 D - 0xfffffe0053df2a00 [if_config_tqg_0]
100010 D - 0xfffffe0053df2900 [deferred_unmount ta]
100013 D - 0xfffffe0053df2600 [thread taskq]
100015 D - 0xfffffe0053df2400 [linuxkpi_irq_wq]
100016 D - 0xfffffe0053df2300 [kqueue_ctx taskq]
100017 D - 0xfffffe0053df2200 [pci_hp taskq]
100018 D - 0xfffffe0053df2100 [aiod_kick taskq]
100019 D - 0xfffffe0053df2000 [inm_free taskq]
100020 D - 0xfffffe0053e06e00 [in6m_free taskq]
100021 D - 0xfffffe0053e06d00 [linuxkpi_short_wq_0]
100022 D - 0xfffffe0053e06d00 [linuxkpi_short_wq_1]
100023 D - 0xfffffe0053e06d00 [linuxkpi_short_wq_2]
100024 D - 0xfffffe0053e06d00 [linuxkpi_short_wq_3]
100025 D - 0xfffffe0053e06c00 [linuxkpi_long_wq_0]
100026 D - 0xfffffe0053e06c00 [linuxkpi_long_wq_1]
100027 D - 0xfffffe0053e06c00 [linuxkpi_long_wq_2]
100028 D - 0xfffffe0053e06c00 [linuxkpi_long_wq_3]
100038 D - 0xfffffe0053e06b00 [firmware taskq]
100042 D - 0xfffffe0053e06900 [crypto_0]
100043 D - 0xfffffe0053e06900 [crypto_1]
100059 D - 0xfffffe0053e06600 [vtnet0 rxq 0]
100060 D - 0xfffffe0053e06500 [vtnet0 txq 0]
100061 D - 0xfffffe0053e06400 [vtnet0 rxq 1]
100062 D - 0xfffffe0053e06300 [vtnet0 txq 1]
100064 D vtbslp 0xfffffe0056ff6e80 [virtio_balloon]
100068 D - 0xfffffe0053e06200 [mca taskq]
100073 D - 0xffffffff82c8ace0 [deadlkres]
100077 D - 0xfffffe00575a0c00 [acpi_task_0]
100078 D - 0xfffffe00575a0c00 [acpi_task_1]
100079 D - 0xfffffe00575a0c00 [acpi_task_2]
100081 D - 0xfffffe0053e06700 [CAM taskq]
db> show all locks
db> show malloc
Type InUse MemUse Requests
pf_hash 5 11524K 5
devbuf 4213 4323K 4241
tcp_hpts 6 3201K 6
sysctloid 35175 2072K 35246
vtbuf 24 1968K 46
kobj 326 1304K 483
newblk 651 1187K 1645
vfscache 3 1025K 3
inodedep 310 628K 1039
pcb 106 610K 2523
filedesc 70 554K 1999
ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
intr 4 472K 4
subproc 178 361K 1988
vmem 3 274K 5
acpica 1674 184K 55237
vnet_data 1 168K 1
tidhash 3 141K 3
linker 355 140K 383
pagedep 41 138K 972
tfo_ccache 1 128K 1
DEVFS1 108 108K 125
sem 4 106K 4
bus 986 80K 3474
mtx_pool 2 72K 2
dirrem 284 71K 972
syncache 1 68K 1
acpitask 1 64K 1
ddb_capture 1 64K 1
module 509 64K 509
umtx 396 50K 396
kdtrace 257 50K 3258
BPF 22 36K 22
temp 35 35K 2087
freefile 259 33K 945
hostcache 1 32K 1
shm 1 32K 1
DEVFS3 127 32K 137
sctp_stro 31 31K 621
msg 4 30K 4
gtaskqueue 18 26K 18
sctp_atcl 63 24K 1806
kbdmux 6 22K 6
DEVFS_RULE 56 20K 56
ifaddr 68 20K 70
routetbl 145 19K 522
ufs_mount 4 17K 5
proc 3 17K 3
tty 16 16K 16
lltable 50 16K 82
ithread 99 16K 99
bus-sc 34 15K 1691
sctp_timw 53 14K 53
ether_multi 157 13K 167
KTRACE 100 13K 100
ifnet 7 13K 7
kenv 95 12K 95
eventhandler 133 12K 133
CAM queue 5 11K 1528
GEOM 61 10K 487
rman 84 10K 425
ksem 4 10K 27
in6_multi 71 9K 71
bmsafemap 2 9K 1009
UART 12 9K 12
devstat 4 9K 4
kqueue 85 9K 1908
rpc 2 8K 2
shmfd 1 8K 1
pfs_vncache 1 8K 1
DEVFSP 126 8K 182
pfs_nodes 20 8K 20
audit_evclass 237 8K 295
taskqueue 63 7K 63
sglist 5 7K 5
CAM DEV 3 6K 510
cred 23 6K 231
plimit 21 6K 379
pwddesc 81 6K 1891
ufs_dirhash 24 5K 24
pf_ifnet 12 5K 33
newdirblk 37 5K 959
UMA 270 5K 270
vt 11 5K 11
pf_table 2 4K 21
memdesc 1 4K 1
MCA 32 4K 32
evdev 4 4K 4
kcovinfo 64 4K 68
sctp_atky 94 4K 2515
acpisem 28 4K 28
xform 54 4K 248
hhook 15 4K 17
session 25 4K 40
terminal 11 3K 11
proc-args 44 3K 597
uidinfo 3 3K 17
diradd 17 3K 1006
lockf 20 3K 33
local_apic 1 2K 1
io_apic 1 2K 1
fpukern_ctx 2 2K 2
mkdir 16 2K 1918
ipsec-saq 2 2K 2
selfd 31 2K 25496
ip6ndp 12 2K 15
sctp_ifa 14 2K 15
inpcbpolicy 54 2K 601
Unitno 27 2K 47
CAM XPT 22 2K 543
tcp_fsb 12 2K 83
in_multi 6 2K 8
ipsecpolicy 2 2K 2
acpidev 20 2K 20
select 10 2K 41
msi 9 2K 9
clone 9 2K 9
tun 7 2K 7
freework 5 2K 940
softdep 1 1K 1
freeblks 4 1K 939
sahead 1 1K 1
secasvar 1 1K 1
nhops 6 1K 8
vnodemarker 2 1K 14
NFSD session 1 1K 1
sctp_athm 63 1K 1883
osd 46 1K 383
sctp_map 62 1K 1184
CAM periph 4 1K 271
ipsec 3 1K 3
sctp_ifn 6 1K 15
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 102
encap_export_host 12 1K 12
indirdep 2 1K 10
pfil 4 1K 4
cdev 2 1K 2
chacha20random 1 1K 1
NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
DEVFS 9 1K 10
vnodes 1 1K 1
CAM SIM 2 1K 2
ktls 1 1K 1
procdesc 2 1K 12
feeder 7 1K 7
tcpfunc 3 1K 3
loginclass 3 1K 6
prison 6 1K 6
lkpikmalloc 5 1K 6
aesni_data 2 1K 2
pf_rule 1 1K 13
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 4706
sctp_vrf 1 1K 1
vnet 1 1K 1
entropy 2 1K 40
acpiintr 1 1K 1
pmc 1 1K 1
cpus 2 1K 2
vnet_data_free 1 1K 1
Per-cpu 1 1K 1
filecaps 2 1K 94
p1003.1b 1 1K 1
cdg data 0 0K 8
chd data 0 0K 0
cubic data 0 0K 8
htcp data 0 0K 0
pf_altq 0 0K 0
pf_osfp 0 0K 0
pf_temp 0 0K 0
sctp_mcore 0 0K 0
sctp_socko 0 0K 921
sctp_iter 0 0K 24
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 11
sctp_aadr 0 0K 13
sctp_stri 0 0K 172
mqdata 0 0K 0
tcp_do 0 0K 0
vegas data 0 0K 8
dctcp data 0 0K 8
NFSCL diroff 0 0K 0
NEWdirectio 0 0K 0
madt_table 0 0K 2
smartpqi 0 0K 0
NEWNFSnode 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
iavf 0 0K 0
ixl 0 0K 0
NFS req 0 0K 0
NFSD usrgroup 0 0K 0
NFSD string 0 0K 0
NFSD V4lock 0 0K 0
NFSD V4state 0 0K 0
ice-resmgr 0 0K 0
ice-osdep 0 0K 0
ice 0 0K 0
axgbe 0 0K 0
NFSD srvcache 0 0K 0
msdosfs_fat 0 0K 0
msdosfs_mount 0 0K 0
msdosfs_node 0 0K 0
DEVFS4 0 0K 0
xen_intr 0 0K 0
DEVFS2 0 0K 0
gntdev 0 0K 0
xen_hvm 0 0K 0
legacydrv 0 0K 0
qpidrv 0 0K 0
privcmd_dev 0 0K 0
evtchn_dev 0 0K 0
dmar_idpgtbl 0 0K 0
dmar_dom 0 0K 0
dmar_ctx 0 0K 0
xenstore 0 0K 0
ciss_data 0 0K 0
BACKLIGHT 0 0K 0
isci 0 0K 0
iommu_dmamap 0 0K 0
xnb 0 0K 0
hyperv_socket 0 0K 0
bxe_ilt 0 0K 0
xbbd 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 704
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 5
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 6
allocindir 0 0K 0
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 6
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 0
ip_msource 0 0K 0
ip_moptions 0 0K 0
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
twsbuf 0 0K 0
statfs 0 0K 1137
namei_tracker 0 0K 0
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 11
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
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 0
acl 0 0K 0
osti_cacheable 0 0K 0
mbuf_tag 0 0K 129
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 15370
ioctlops 0 0K 150
eventfd 0 0K 0
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 677
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
sigio 0 0K 1
filedesc_to_leader 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
db> show uma
Zone Size Used Free Requests Sleeps Bucket Total Mem XFree
mbuf_jumbo_page 4096 8320 989 186343 0 254 38129664 0
ertt_txseginfo 40 153434 10388 266110 0 254 6552880 0
tcp_log 416 2345 4909 57345 0 254 3017664 0
pbuf 2624 0 973 0 0 2 2553152 0
mbuf 256 8814 756 556169 0 254 2449920 0
BUF TRIE 144 194 11566 580 0 62 1693440 0
tcp_bbr_map 128 8628 4454 55927 0 126 1674496 0
malloc-384 384 4151 9 4151 0 30 1597440 0
malloc-128 128 11631 56 15061 0 126 1495936 0
malloc-4096 4096 336 1 1124 0 2 1380352 0
UMA Slabs 0 112 10559 22 10559 0 126 1185072 0
mbuf_cluster 2048 570 0 570 0 254 1167360 0
RADIX NODE 144 7627 320 55639 0 62 1144368 0
vmem btag 56 19491 68 19491 0 254 1095304 0
malloc-16384 16384 37 4 1000 0 1 671744 0
FFS inode 1160 535 25 1480 0 8 649600 0
malloc-65536 65536 6 2 14 0 1 524288 0
VM OBJECT 264 1497 108 28661 0 30 423720 0
256 Bucket 2048 193 13 15484 0 8 421888 0
lkpimm 168 1 2327 1 0 62 391104 0
lkpicurr 168 2 2326 2 0 62 391104 0
malloc-4096 4096 84 8 3036 0 2 376832 0
THREAD 1808 175 23 1366 0 8 357984 0
MAP ENTRY 96 2819 331 102331 0 126 302400 0
malloc-256 256 651 519 2349 0 62 299520 0
VNODE 448 573 75 1520 0 30 290304 0
malloc-64 64 4033 62 7970 0 254 262080 0
malloc-16 16 14569 181 15514 0 254 236000 0
DEVCTL 1024 22 198 152 0 0 225280 0
malloc-384 384 329 221 1058 0 30 211200 0
malloc-65536 65536 1 2 137 0 1 196608 0
UMA Zones 768 242 2 242 0 16 187392 0
malloc-32 32 5648 148 7006 0 254 185472 0
FPU_save_area 832 177 39 3283 0 16 179712 0
malloc-256 256 480 210 1494 0 62 176640 0
VMSPACE 2544 58 11 1874 0 4 175536 0
malloc-128 128 1272 30 26225 0 126 166656 0
mbuf_packet 256 58 512 4721 0 254 145920 0
malloc-1024 1024 135 5 156 0 16 143360 0
malloc-128 128 875 241 2481 0 126 142848 0
FFS2 dinode 256 535 20 1480 0 62 142080 0
S VFS Cache 104 1018 308 2004 0 126 137904 0
malloc-65536 65536 0 2 72 0 1 131072 0
malloc-65536 65536 2 0 2 0 1 131072 0
PROC 1336 80 16 1890 0 8 128256 0
ksiginfo 112 80 964 2052 0 126 116928 0
filedesc0 1072 81 24 1891 0 8 112560 0
malloc-2048 2048 35 19 1109 0 8 110592 0
sctp_asoc 2288 31 14 592 0 254 102960 0
128 Bucket 1024 84 15 1539 0 16 101376 0
socket 960 64 36 2989 0 254 96000 0
g_bio 408 0 230 5328 0 30 93840 0
malloc-128 128 594 119 2786 0 126 91264 0
UMA Kegs 384 227 6 227 0 30 89472 0
clpbuf 2624 0 32 23 0 16 83968 0
malloc-256 256 246 54 3732 0 62 76800 0
tcpcb 1096 42 28 372 0 254 76720 0
sctp_ep 1272 32 22 1106 0 254 68688 0
malloc-32768 32768 2 0 2 0 1 65536 0
malloc-32768 32768 0 2 130 0 1 65536 0
sctp_raddr 736 31 57 827 0 254 64768 0
malloc-384 384 150 10 186 0 30 61440 0
malloc-8192 8192 4 3 32 0 1 57344 0
malloc-1024 1024 41 15 1118 0 16 57344 0
malloc-4096 4096 12 1 23 0 2 53248 0
malloc-4096 4096 12 1 15 0 2 53248 0
32 Bucket 256 65 130 8126 0 62 49920 0
malloc-16384 16384 3 0 18 0 1 49152 0
malloc-8192 8192 4 2 6 0 1 49152 0
malloc-64 64 618 138 16254 0 254 48384 0
malloc-256 256 149 31 2804 0 62 46080 0
malloc-2048 2048 3 19 510 0 8 45056 0
malloc-2048 2048 0 22 573 0 8 45056 0
64 Bucket 512 73 15 2911 0 30 45056 0
tcp_bbr_pcb 832 24 30 169 0 16 44928 0
malloc-128 128 321 20 2345 0 126 43648 0
malloc-384 384 65 45 1808 0 30 42240 0
malloc-8192 8192 5 0 5 0 1 40960 0
malloc-8192 8192 5 0 5 0 1 40960 0
pcpu-8 8 4708 412 5226 0 254 40960 0
malloc-64 64 465 165 26056 0 254 40320 0
da_ccb 544 0 70 1452 0 16 38080 0
DIRHASH 1024 34 2 34 0 16 36864 0
NAMEI 1024 0 36 17925 0 16 36864 0
malloc-64 64 444 123 634 0 254 36288 0
tcp_inpcb 496 46 26 372 0 254 35712 0
malloc-32768 32768 1 0 1 0 1 32768 0
malloc-16384 16384 0 2 160 0 1 32768 0
malloc-2048 2048 14 2 16 0 8 32768 0
pcpu-64 64 487 25 487 0 254 32768 0
malloc-64 64 55 449 1558 0 254 32256 0
TURNSTILE 136 199 32 199 0 62 31416 0
KNOTE 160 30 145 15717 0 62 28000 0
Files 80 269 81 10586 0 126 28000 0
malloc-256 256 70 35 330 0 62 26880 0
pipe 744 20 15 396 0 16 26040 0
malloc-8192 8192 3 0 3 0 1 24576 0
malloc-8192 8192 1 2 102 0 1 24576 0
malloc-2048 2048 4 8 35 0 8 24576 0
malloc-2048 2048 4 8 99 0 8 24576 0
malloc-2048 2048 8 4 50 0 8 24576 0
malloc-1024 1024 2 22 63 0 16 24576 0
ttyinq 160 135 15 300 0 62 24000 0
8 Bucket 80 49 251 844 0 126 24000 0
ttyoutq 256 72 18 160 0 62 23040 0
malloc-256 256 54 36 822 0 62 23040 0
malloc-256 256 76 14 187 0 62 23040 0
tcp_rack_pcb 832 12 15 83 0 16 22464 0
malloc-4096 4096 2 3 7 0 2 20480 0
PWD 32 44 586 1052 0 254 20160 0
SLEEPQUEUE 88 199 25 199 0 126 19712 0
Mountpoints 2752 2 5 2 0 4 19264 0
malloc-384 384 33 17 158 0 30 19200 0
malloc-16384 16384 1 0 1 0 1 16384 0
malloc-16384 16384 1 0 1 0 1 16384 0
malloc-8192 8192 2 0 2 0 1 16384 0
malloc-1024 1024 10 6 169 0 16 16384 0
malloc-64 64 174 78 2164 0 254 16128 0
malloc-32 32 121 383 1361 0 254 16128 0
malloc-32 32 72 432 2272 0 254 16128 0
16 Bucket 144 53 59 381 0 62 16128 0
vtnet_tx_hdr 24 0 668 206680 0 254 16032 0
udp_inpcb 496 6 26 178 0 254 15872 0
malloc-256 256 20 40 1378 0 62 15360 0
malloc-4096 4096 1 2 5 0 2 12288 0
malloc-2048 2048 2 4 193 0 8 12288 0
malloc-1024 1024 6 6 1090 0 16 12288 0
malloc-512 512 2 22 119 0 30 12288 0
malloc-512 512 0 24 172 0 30 12288 0
malloc-32 32 158 220 1214 0 254 12096 0
sctp_chunk 152 31 47 405 0 254 11856 0
kenv 258 15 30 1031 0 30 11610 0
unpcb 256 11 34 1255 0 254 11520 0
malloc-384 384 22 8 51 0 30 11520 0
malloc-8192 8192 1 0 1 0 1 8192 0
malloc-4096 4096 0 2 4 0 2 8192 0
malloc-1024 1024 4 4 27 0 16 8192 0
malloc-512 512 2 14 29 0 30 8192 0
malloc-512 512 10 6 10 0 30 8192 0
malloc-512 512 6 10 65 0 30 8192 0
rtentry 176 31 15 35 0 62 8096 0
PGRP 88 51 41 66 0 126 8096 0
rl_entry 40 48 154 48 0 254 8080 0
sctp_asconf_ack 48 0 168 13 0 254 8064 0
sctp_stream_msg_out 112 17 55 151 0 254 8064 0
sctp_laddr 48 0 168 504 0 254 8064 0
tcp_rack_map 112 44 28 186 0 126 8064 0
udpcb 32 6 246 197 0 254 8064 0
ertt 72 42 70 372 0 126 8064 0
malloc-64 64 77 49 96 0 254 8064 0
malloc-64 64 36 90 43 0 254 8064 0
malloc-32 32 46 206 143 0 254 8064 0
malloc-32 32 34 218 746 0 254 8064 0
malloc-32 32 38 214 2832 0 254 8064 0
4 Bucket 48 6 162 85 0 254 8064 0
2 Bucket 32 54 198 685 0 254 8064 0
malloc-16 16 57 443 1123 0 254 8000 0
malloc-16 16 288 212 492 0 254 8000 0
malloc-16 16 116 384 1305 0 254 8000 0
malloc-16 16 194 306 1419 0 254 8000 0
malloc-16 16 24 476 25462 0 254 8000 0
malloc-16 16 79 421 1914 0 254 8000 0
udplite_inpcb 496 0 16 19 0 254 7936 0
malloc-128 128 23 39 107 0 126 7936 0
malloc-128 128 43 19 67 0 126 7936 0
malloc-128 128 2 60 38 0 126 7936 0
sctp_readq 152 0 52 108 0 254 7904 0
cryptop 280 0 28 27 0 30 7840 0
routing nhops 256 27 3 35 0 62 7680 0
malloc-384 384 11 9 11 0 30 7680 0
malloc-384 384 1 19 341 0 30 7680 0
cpuset 104 8 54 8 0 126 6448 0
epoch_record pcpu 256 4 12 4 0 62 4096 0
malloc-1024 1024 4 0 4 0 16 4096 0
malloc-512 512 5 3 6 0 30 4096 0
pcpu-16 16 7 249 7 0 254 4096 0
tcptw 88 4 42 4 0 254 4048 0
hostcache 64 1 62 1 0 254 4032 0
syncache 168 0 24 4 0 254 4032 0
malloc-32 32 80 46 80 0 254 4032 0
malloc-16 16 10 240 10 0 254 4000 0
ripcb 496 2 6 32 0 254 3968 0
UMA Slabs 1 176 9 13 9 0 62 3872 0
mqnode 416 3 6 3 0 30 3744 0
KMAP ENTRY 96 12 27 14 0 0 3744 0
vmem 1856 1 1 1 0 8 3712 0
SMR CPU 32 3 60 3 0 254 2016 0
SMR SHARED 24 3 60 3 0 254 1512 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
sctp_asconf 40 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 62 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 48 0 0 0 0 254 0 0
tcp_log_node 120 0 0 0 0 126 0 0
tcp_log_bucket 176 0 0 0 0 62 0 0
tcpreass 48 0 0 0 0 254 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
ipq 56 0 0 0 0 254 0 0
IPsec SA lft_c 16 0 0 0 0 254 0 0
itimer 352 0 0 0 0 30 0 0
AIOLIO 272 0 0 0 0 30 0 0
AIOCB 552 0 0 0 0 16 0 0
AIOP 32 0 0 0 0 254 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
TMPFS node 224 0 0 0 0 62 0 0
NCLNODE 592 0 0 0 0 16 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
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
ktls_session 192 0 0 0 0 62 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
domainset 40 0 0 0 0 254 0 0
MAC labels 40 0 0 0 0 254 0 0
vnpbuf 2624 0 0 0 0 64 0

---
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Kyle Evans

unread,
Oct 1, 2021, 1:02:22 PM10/1/21
to syzbot, syzkaller-f...@googlegroups.com
Bah, sorry, fix incoming. :-(
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