panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8)

0 views
Skip to first unread message

syzbot

unread,
Jul 7, 2021, 3:33:18 AM7/7/21
to syzkaller-f...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: da2f833f MMCCAM: fix a panic after cam_sim_alloc_dev() rem..
git tree: https://github.com/freebsd/freebsd-src.git main
console output: https://syzkaller.appspot.com/x/log.txt?x=165bddb4300000
dashboard link: https://syzkaller.appspot.com/bug?extid=243bc3eaf719fe2ab9b5

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+243bc3...@syzkaller.appspotmail.com

panic: ASan: Invalid access, 8-byte read at 0xfffffe0099a92a80, UseAfterScope(f8)
cpuid = 0
time = 1625643121
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0099a92490
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0099a925f0
vpanic() at vpanic+0x2c5/frame 0xfffffe0099a926d0
panic() at panic+0xb5/frame 0xfffffe0099a92790
__asan_load8_noabort() at __asan_load8_noabort+0x36f/frame 0xfffffe0099a92850
handleevents() at handleevents+0x6b/frame 0xfffffe0099a928b0
hardclockintr() at hardclockintr+0x1fc/frame 0xfffffe0099a92990
ipi_bitmap_handler() at ipi_bitmap_handler+0x191/frame 0xfffffe0099a92b30
Xipi_intr_bitmap_handler() at Xipi_intr_bitmap_handler+0xb3/frame 0xfffffe0099a92b30
--- interrupt, rip = 0xffffffff82147e7a, rsp = 0xfffffe0099a92c00, rbp = 0x7fffffffe480 ---
alltraps_pushregs_no_rax() at alltraps_pushregs_no_rax/frame 0x7fffffffe480
KDB: enter: panic
[ thread pid 6022 tid 103051 ]
Stopped at kdb_enter+0x6b: movq $0,0x28f86da(%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 0xcf48df3d1ed132d1
rdx 0x1
rbx 0
rsp 0xfffffe0099a925d0
rbp 0xfffffe0099a925f0
rsi 0
rdi 0xffffffff81799939 vprintf+0x319
r8 0x3
r9 0xfffffe0099a92128
r10 0
r11 0x800372038
r12 0xfffffe009ac4dac0
r13 0xfffffe0099a92601
r14 0xffffffff82c3df20 .str.18
r15 0xffffffff82c3df20 .str.18
rip 0xffffffff8178d35b kdb_enter+0x6b
rflags 0x46
kdb_enter+0x6b: movq $0,0x28f86da(%rip)
db> show proc
Process 6022 (syz-executor.3) at 0xfffffe009ad09538:
state: NORMAL
uid: 0 gids: 0, 0, 5
parent: pid 791 at 0xfffffe008f810538
ABI: FreeBSD ELF64
flag: 0x10000000 flag2: 0
arguments: /root/syz-executor.3
reaper: 0xfffffe0053d51538 reapsubtree: 1
sigparent: 20
vmspace: 0xfffffe009acda3e0
(map 0xfffffe009acda3e0)
(map.pmap 0xfffffe009acda4a0)
(pmap 0xfffffe009acda500)
threads: 1
103051 Run CPU 0 syz-executor.3
db> ps
pid ppid pgrp uid state wmesg wchan cmd
6022 791 791 0 R CPU 0 syz-executor.3
6021 782 782 0 R (threaded) syz-executor.0
100909 RunQ syz-executor.0
109107 RunQ syz-executor.0
6020 783 783 0 R (threaded) syz-executor.1
100605 RunQ syz-executor.1
109106 S uwait 0xfffffe00925d5a00 syz-executor.1
6014 786 786 0 R (threaded) syz-executor.2
105104 RunQ syz-executor.2
109093 S connec 0xfffffe009b358840 syz-executor.2
109095 S select 0xfffffe009b6408c0 syz-executor.2
109096 D biowr 0xfffffe0007c166f8 syz-executor.2
109097 S connec 0xfffffe009ad46bf0 syz-executor.2
109098 S uwait 0xfffffe009ac3df00 syz-executor.2
109099 S uwait 0xfffffe0097ad7d00 syz-executor.2
3961 0 0 0 DL mdwait 0xfffffe009b463000 [md3]
3955 0 0 0 DL mdwait 0xfffffe0091f06000 [md2]
3943 0 0 0 DL mdwait 0xfffffe0091efa000 [md1]
3933 0 0 0 DL mdwait 0xfffffe0092554000 [md0]
2133 1 2133 65 Ss select 0xfffffe0097ad7e40 dhclient
1995 0 0 0 DL aiordy 0xfffffe00925bb000 [aiod4]
1994 0 0 0 DL aiordy 0xfffffe0097ba5000 [aiod3]
1993 0 0 0 DL aiordy 0xfffffe0097ba5a70 [aiod2]
1992 0 0 0 DL aiordy 0xfffffe009ace1000 [aiod1]
1928 1 1928 0 Ss select 0xfffffe009ac3ddc0 dhclient
1925 1 1925 0 Ss select 0xfffffe009ac3db40 dhclient
1906 1 1906 65 Ss select 0xfffffe009ac3de40 dhclient
1891 1 786 0 S uwait 0xfffffe0097ad7700 syz-executor.2
1885 1 783 0 S uwait 0xfffffe00925d5200 syz-executor.1
1884 1 786 0 S uwait 0xfffffe00925d5f00 syz-executor.2
1879 1 783 0 S uwait 0xfffffe0091f87780 syz-executor.1
1878 1 786 0 S uwait 0xfffffe0092511800 syz-executor.2
1874 1 783 0 S uwait 0xfffffe0093a85c80 syz-executor.1
1871 1 783 0 S uwait 0xfffffe00925aab00 syz-executor.1
1870 1 783 0 S uwait 0xfffffe00925b6a00 syz-executor.1
1708 1 1708 0 Ss select 0xfffffe00587ce7c0 dhclient
1705 1 1705 0 Ss select 0xfffffe00925aaac0 dhclient
1676 1 1676 65 Ss select 0xfffffe0091f87bc0 dhclient
1332 1 1332 0 Ss select 0xfffffe00925aa1c0 dhclient
1329 1 1329 0 Ss select 0xfffffe00587ce640 dhclient
1304 1 1304 65 Ss select 0xfffffe00925d5740 dhclient
1168 1 783 0 S uwait 0xfffffe009258f980 syz-executor.1
1165 1 783 0 S uwait 0xfffffe009258f880 syz-executor.1
1157 1 783 0 S uwait 0xfffffe00925b6780 syz-executor.1
1156 1 782 0 S uwait 0xfffffe009258fc80 syz-executor.0
1154 1 783 0 S uwait 0xfffffe00925b6280 syz-executor.1
1153 1 782 0 S uwait 0xfffffe0091f87a00 syz-executor.0
1148 1 783 0 S uwait 0xfffffe0092511600 syz-executor.1
1147 1 782 0 S uwait 0xfffffe0091f87000 syz-executor.0
1145 1 783 0 S uwait 0xfffffe00925b6680 syz-executor.1
1144 1 791 0 S uwait 0xfffffe0091f87100 syz-executor.3
1143 1 782 0 S uwait 0xfffffe00925b6980 syz-executor.0
1142 1 791 0 S uwait 0xfffffe00925b6180 syz-executor.3
1138 1 791 0 S umtxn 0xfffffe00587f8480 syz-executor.3
1137 1 791 0 S uwait 0xfffffe00925aa800 syz-executor.3
1135 1 782 0 S uwait 0xfffffe00925aa500 syz-executor.0
1134 1 791 0 S uwait 0xfffffe009258f780 syz-executor.3
1133 1 782 0 S uwait 0xfffffe00587f8580 syz-executor.0
1132 1 791 0 S uwait 0xfffffe00587f8680 syz-executor.3
1128 1 782 0 S uwait 0xfffffe00587f8880 syz-executor.0
1127 1 782 0 S uwait 0xfffffe00925b6380 syz-executor.0
1120 1 782 0 S uwait 0xfffffe009258fe80 syz-executor.0
1117 1 782 0 S uwait 0xfffffe00587ce200 syz-executor.0
1114 1 782 0 S uwait 0xfffffe009258fa80 syz-executor.0
1113 1 782 0 S uwait 0xfffffe00587ce300 syz-executor.0
1109 1 782 0 S uwait 0xfffffe009258fb80 syz-executor.0
1108 1 782 0 S uwait 0xfffffe008fa54900 syz-executor.0
1107 1 782 0 S uwait 0xfffffe00925b6080 syz-executor.0
1106 1 782 0 S uwait 0xfffffe0092511a80 syz-executor.0
1097 1 1097 0 Ss select 0xfffffe00925aa0c0 dhclient
1094 1 1094 0 Ss select 0xfffffe00925aa040 dhclient
791 780 791 0 Ss nanslp 0xffffffff84052940 syz-executor.3
786 780 786 0 Rs syz-executor.2
783 780 783 0 Rs syz-executor.1
782 780 782 0 Ss nanslp 0xffffffff84052940 syz-executor.0
780 778 778 0 R (threaded) syz-fuzzer
100090 S kqread 0xfffffe0091f39600 syz-fuzzer
100116 RunQ syz-fuzzer
100117 S uwait 0xfffffe008fa54100 syz-fuzzer
100118 S uwait 0xfffffe0092511d80 syz-fuzzer
100119 S uwait 0xfffffe008fa54600 syz-fuzzer
100120 S uwait 0xfffffe008fa54700 syz-fuzzer
100121 RunQ syz-fuzzer
100122 S uwait 0xfffffe0092511e80 syz-fuzzer
100216 S uwait 0xfffffe00925aa900 syz-fuzzer
778 776 778 0 Ss pause 0xfffffe00924f4b20 csh
776 694 776 0 Ss select 0xfffffe00587ce4c0 sshd
760 1 760 0 Ss+ ttyin 0xfffffe0056cc5cb0 getty
759 1 759 0 Ss+ ttyin 0xfffffe00580790b0 getty
758 1 758 0 Ss+ ttyin 0xfffffe00580794b0 getty
757 1 757 0 Ss+ ttyin 0xfffffe00580798b0 getty
756 1 756 0 Ss+ ttyin 0xfffffe0058079cb0 getty
755 1 755 0 Ss+ ttyin 0xfffffe0057fd10b0 getty
754 1 754 0 Ss+ ttyin 0xfffffe0057fd14b0 getty
753 1 753 0 Ss+ ttyin 0xfffffe0057fd18b0 getty
752 1 752 0 Ss+ ttyin 0xfffffe0057fd1cb0 getty
698 1 698 0 Ss nanslp 0xffffffff84052940 cron
694 1 694 0 Ss select 0xfffffe00587ce540 sshd
507 1 507 0 Ss select 0xfffffe00587ce940 syslogd
436 1 436 0 Ss select 0xfffffe008fa54ac0 devd
435 1 435 65 Ss select 0xfffffe0091f87c40 dhclient
350 1 350 0 Ss select 0xfffffe008fa549c0 dhclient
347 1 347 0 Ss select 0xfffffe00587ce740 dhclient
23 0 0 0 DL syncer 0xffffffff84178a40 [syncer]
22 0 0 0 DL vlruwt 0xfffffe005845ba70 [vnlru]
21 0 0 0 DL (threaded) [bufdaemon]
100081 D qsleep 0xffffffff84176940 [bufdaemon]
100084 D - 0xffffffff83411f80 [bufspacedaemon-0]
100100 D sdflush 0xfffffe008f8abce8 [/ worker]
20 0 0 0 DL psleep 0xffffffff841aeac0 [vmdaemon]
19 0 0 0 DL (threaded) [pagedaemon]
100079 D psleep 0xffffffff841a25f8 [dom0]
100082 D launds 0xffffffff841a2604 [laundry: dom0]
100083 D umarcl 0xffffffff81e7afa0 [uma]
18 0 0 0 DL - 0xffffffff83e09ae0 [rand_harvestq]
17 0 0 0 DL waiting 0xffffffff84d173c0 [sctp_iterator]
16 0 0 0 DL pftm 0xffffffff84869d00 [pf purge]
15 0 0 0 DL - 0xffffffff84171dc0 [soaiod4]
9 0 0 0 DL - 0xffffffff84171dc0 [soaiod3]
8 0 0 0 DL - 0xffffffff84171dc0 [soaiod2]
7 0 0 0 DL - 0xffffffff84171dc0 [soaiod1]
6 0 0 0 DL (threaded) [cam]
100044 D - 0xffffffff83c8f240 [doneq0]
100045 D - 0xffffffff83c8f1c0 [async]
100078 D - 0xffffffff83c8f040 [scanner]
14 0 0 0 DL seqstat 0xfffffe0053f94c88 [sequencer 00]
5 0 0 0 DL crypto_ 0xfffffe0053e90d80 [crypto returns 1]
4 0 0 0 DL crypto_ 0xfffffe0053e90d30 [crypto returns 0]
3 0 0 0 DL crypto_ 0xffffffff8419c6a0 [crypto]
13 0 0 0 DL (threaded) [geom]
100035 D - 0xffffffff84025f00 [g_event]
100036 D - 0xffffffff84025f40 [g_up]
100037 D - 0xffffffff84025f80 [g_down]
2 0 0 0 DL (threaded) [KTLS]
100028 D - 0xfffffe0053e1ce00 [thr_0]
100029 D - 0xfffffe0053e1ce80 [thr_1]
12 0 0 0 WL (threaded) [intr]
100011 I [swi6: task queue]
100012 I [swi6: Giant taskq]
100015 I [swi5: fast taskq]
100030 I [swi4: clock (0)]
100031 I [swi4: clock (1)]
100032 I [swi1: netisr 0]
100033 I [swi3: vm]
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 [irq10: virtio_pci2]
100061 I [irq1: atkbd0]
100062 I [irq12: psm0]
100063 I [swi0: uart uart++]
100071 I [swi1: pf send]
100087 I [swi1: hpts]
100088 I [swi1: hpts]
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 0xffffffff8419d640 [audit]
0 0 0 0 RLs (threaded) [kernel]
100000 D swapin 0xffffffff84026e00 [swapper]
100005 D - 0xfffffe0053c0d800 [if_config_tqg_0]
100006 D - 0xfffffe0053c0d600 [softirq_0]
100007 D - 0xfffffe0053c0d400 [softirq_1]
100008 D - 0xfffffe0053c0d200 [if_io_tqg_0]
100009 D - 0xfffffe0053c0d000 [if_io_tqg_1]
100010 D - 0xfffffe000791b700 [pci_hp taskq]
100013 RunQ [thread taskq]
100014 D - 0xfffffe000791b300 [inm_free taskq]
100016 D - 0xfffffe000791b100 [linuxkpi_irq_wq]
100017 D - 0xfffffe000791b000 [kqueue_ctx taskq]
100018 D - 0xfffffe0053df6e00 [in6m_free taskq]
100019 D - 0xfffffe0053df6d00 [aiod_kick 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]
100034 D - 0xfffffe0053df6a00 [firmware taskq]
100038 D - 0xfffffe0053df6900 [crypto_0]
100039 D - 0xfffffe0053df6900 [crypto_1]
100055 D - 0xfffffe0053df6700 [vtnet0 rxq 0]
100056 D - 0xfffffe0053df6600 [vtnet0 txq 0]
100057 D - 0xfffffe0053df6500 [vtnet0 rxq 1]
100058 D - 0xfffffe0053df6400 [vtnet0 txq 1]
100060 D vtbslp 0xfffffe0056ca4480 [virtio_balloon]
100064 D - 0xfffffe0053df6300 [mca taskq]
100069 D - 0xffffffff82c44ea0 [deadlkres]
100074 D - 0xfffffe0057fd0e00 [acpi_task_0]
100075 D - 0xfffffe0057fd0e00 [acpi_task_1]
100076 D - 0xfffffe0057fd0e00 [acpi_task_2]
100077 D - 0xfffffe0053df6800 [CAM taskq]
db> show all locks
Process 6014 (syz-executor.2) thread 0xfffffe009ac45560 (109096)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007bf7b60) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:1684
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007c16778) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:3928
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe009b056e70) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_vnops.c:1157
Process 0 (kernel) thread 0xfffffe0053df1ac0 (100013)
exclusive sleep mutex kernel arena domain (kernel arena domain) r = 0 (0xfffff8007c7d3000) locked @ /syzkaller/managers/main/kernel/sys/kern/subr_vmem.c:789
exclusive sleep mutex vmem list lock (vmem list lock) r = 0 (0xffffffff83409bc0) locked @ /syzkaller/managers/main/kernel/sys/kern/subr_vmem.c:784
db> show malloc
Type InUse MemUse Requests
pf_hash 5 11524K 5
devbuf 4216 4338K 4248
tcp_hpts 5 3201K 5
sysctloid 34744 2053K 34811
vtbuf 24 1968K 46
kobj 326 1304K 522
newblk 8 1026K 11603
vfscache 3 1025K 3
pcb 238 771K 12829
filedesc 90 714K 9997
inodedep 12 517K 5609
ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
subproc 232 475K 6170
intr 4 472K 4
vmem 3 274K 6
acpica 1674 184K 54806
vnet_data 1 168K 1
tidhash 3 141K 3
linker 357 140K 397
pagedep 9 130K 5136
tfo_ccache 1 128K 1
DEVFS1 111 111K 128
sem 4 106K 4
sctp_stro 104 104K 2369
BPF 46 88K 46
bus 986 80K 3469
sctp_atcl 210 79K 8348
mtx_pool 2 72K 2
syncache 1 68K 1
acpitask 1 64K 1
ddb_capture 1 64K 1
module 510 64K 510
kdtrace 313 59K 15131
umtx 462 58K 462
temp 35 33K 2940
DEVFS3 130 33K 140
indirdep 2 33K 1052
hostcache 1 32K 1
shm 1 32K 5
msg 4 30K 4
gtaskqueue 18 26K 18
kbdmux 6 22K 6
ifaddr 70 20K 72
DEVFS_RULE 56 20K 56
ufs_mount 5 17K 6
proc 3 17K 3
md_disk 8 17K 8
routetbl 131 17K 570
tty 16 16K 16
md_sectors 4 16K 4
ithread 99 16K 99
lltable 45 14K 218
bus-sc 33 14K 1684
GEOM 88 14K 673
sctp_atky 314 14K 10990
KTRACE 100 13K 100
ifnet 7 13K 7
ether_multi 152 13K 162
kenv 95 12K 95
eventhandler 133 12K 133
CAM queue 5 11K 1528
rman 84 10K 425
kqueue 109 9K 6076
in6_multi 65 9K 65
bmsafemap 2 9K 5498
UART 12 9K 12
devstat 4 9K 4
ksem 1 8K 193
sctp_timw 32 8K 32
rpc 2 8K 2
shmfd 1 8K 49
pfs_vncache 1 8K 1
pfs_nodes 20 8K 20
audit_evclass 236 8K 294
pwddesc 107 7K 6097
cred 26 7K 290
taskqueue 60 7K 60
sglist 5 7K 5
CAM DEV 3 6K 510
plimit 24 6K 649
DEVFSP 81 6K 620
ufs_dirhash 24 5K 24
UMA 274 5K 274
session 35 5K 55
pf_ifnet 10 5K 194
vt 11 5K 11
memdesc 1 4K 1
MCA 32 4K 32
evdev 4 4K 4
kcovinfo 64 4K 68
acpisem 28 4K 28
selfd 55 4K 76506
lockf 32 4K 194
hhook 15 4K 17
sctp_athm 210 4K 8479
sctp_map 208 4K 4716
fpukern_ctx 3 3K 3
proc-args 52 3K 726
terminal 11 3K 11
select 20 3K 286
uidinfo 3 3K 14
pf_osfp 20 3K 20
local_apic 1 2K 1
io_apic 1 2K 1
ipsec-saq 2 2K 2
CAM CCB 1 2K 21031
ip6ndp 12 2K 14
sctp_ifa 13 2K 14
Unitno 27 2K 47
CAM XPT 22 2K 543
in_multi 6 2K 8
ipsecpolicy 2 2K 2
acpidev 20 2K 20
msi 9 2K 9
clone 9 2K 9
tun 7 2K 7
sctp_stri 2 1K 302
softdep 1 1K 1
sahead 1 1K 1
secasvar 1 1K 1
nhops 6 1K 8
vnodemarker 2 1K 700
NFSD session 1 1K 1
mkdir 7 1K 9974
CAM periph 4 1K 271
sctp_ifn 6 1K 14
ipsec 3 1K 3
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
diradd 5 1K 5263
crypto 4 1K 239
encap_export_host 12 1K 12
procdesc 5 1K 18
inpcbpolicy 18 1K 3923
newdirblk 4 1K 4987
dirrem 2 1K 5221
pfil 4 1K 4
cdev 2 1K 2
osd 11 1K 1538
chacha20random 1 1K 1
NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
DEVFS 9 1K 10
freefile 2 1K 5198
ip6_msource 4 1K 29
vnodes 1 1K 11
CAM SIM 2 1K 2
ktls 1 1K 1
feeder 7 1K 7
xform 3 1K 1016
tcpfunc 3 1K 3
loginclass 3 1K 6
prison 6 1K 6
lkpikmalloc 5 1K 6
soname 6 1K 9900
aesni_data 2 1K 2
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
iov 2 1K 20079
pmchooks 1 1K 1
nexusdev 7 1K 7
filecaps 5 1K 125
sctp_vrf 1 1K 1
freework 1 1K 6966
vnet 1 1K 1
entropy 2 1K 48
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
cdg data 0 0K 0
mqdata 0 0K 0
sctp_mcore 0 0K 0
sctp_socko 0 0K 3648
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 12
chd data 0 0K 7
cubic data 0 0K 8
dctcp data 0 0K 0
tcp_do 0 0K 0
tcp_fsb 0 0K 418
htcp data 0 0K 6
pf_table 0 0K 39
pf_rule 0 0K 206
pf_altq 0 0K 0
pf_temp 0 0K 0
vegas data 0 0K 13
NEWNFSnode 0 0K 0
NFSCL lck 0 0K 0
madt_table 0 0K 2
smartpqi 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
NFSD usrgroup 0 0K 0
iavf 0 0K 0
ixl 0 0K 0
NFSD string 0 0K 0
NFSD V4lock 0 0K 0
NFSD V4state 0 0K 0
NFSD srvcache 0 0K 0
msdosfs_fat 0 0K 0
ice-resmgr 0 0K 0
ice-osdep 0 0K 0
ice 0 0K 0
axgbe 0 0K 0
msdosfs_mount 0 0K 0
msdosfs_node 0 0K 0
DEVFS4 0 0K 0
DEVFS2 0 0K 0
gntdev 0 0K 0
xen_intr 0 0K 0
privcmd_dev 0 0K 0
evtchn_dev 0 0K 0
xen_hvm 0 0K 0
legacydrv 0 0K 0
qpidrv 0 0K 0
xenstore 0 0K 0
ciss_data 0 0K 0
dmar_idpgtbl 0 0K 0
dmar_dom 0 0K 0
dmar_ctx 0 0K 0
BACKLIGHT 0 0K 0
xnb 0 0K 0
xbbd 0 0K 0
isci 0 0K 0
iommu_dmamap 0 0K 0
xbd 0 0K 0
hyperv_socket 0 0K 0
bxe_ilt 0 0K 0
xenbus 0 0K 0
Balloon 0 0K 0
sysmouse 0 0K 0
vtfont 0 0K 0
vm_fictitious 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
scsi_ch 0 0K 0
vm_pgdata 0 0K 0
jblocks 0 0K 0
savedino 0 0K 4844
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 341
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 5222
freefrag 0 0K 104
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_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
acpipwr 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 96
ip6_moptions 0 0K 18
in6_mfilter 0 0K 67
frag6 0 0K 0
tcplog 0 0K 0
tcp_hwpace 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 16
VN POLL 0 0K 0
twsbuf 0 0K 0
statfs 0 0K 5206
namei_tracker 0 0K 8
export_host 0 0K 0
cl_savebuf 0 0K 97
twe_commands 0 0K 0
twa_commands 0 0K 0
tcp_log_dev 0 0K 149
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
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 160
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
ioctlops 0 0K 1009
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 336
firmware 0 0K 0
compressor 0 0K 0
SWAP 0 0K 0
malodev 0 0K 0
LED 0 0K 0
sysctltmp 0 0K 1006
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 96
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
NEWdirectio 0 0K 0
db> show uma
Zone Size Used Free Requests Sleeps Bucket Total Mem XFree
mbuf_jumbo_page 4096 8320 990 74166 0 254 38133760 0
tcp_log 416 0 14634 172087 0 254 6087744 0
mbuf 256 8956 614 1070947 0 254 2449920 0
pbuf 2624 0 746 0 0 2 1957504 0
BUF TRIE 144 357 11403 17686 0 62 1693440 0
malloc-384 384 4263 27 4458 0 30 1647360 0
RADIX NODE 144 8789 1706 198020 0 62 1511280 0
malloc-128 128 11471 61 12118 0 126 1476096 0
mbuf_cluster 2048 705 1 705 0 254 1445888 0
malloc-4096 4096 327 4 796 0 2 1355776 0
UMA Slabs 0 112 10921 20 10921 0 126 1225392 0
vmem btag 56 19030 97 19039 0 254 1071112 0
ertt_txseginfo 40 4204 17511 631673 0 254 868600 0
tcp_bbr_map 128 327 5966 220677 0 126 805504 0
malloc-16384 16384 45 4 4997 0 1 802816 0
FFS inode 1160 539 42 5751 0 8 673960 0
256 Bucket 2048 271 33 16459 0 8 622592 0
malloc-4096 4096 130 5 6578 0 2 552960 0
VM OBJECT 264 1774 86 90951 0 30 491040 0
THREAD 1808 205 26 9107 0 8 417648 0
MAP ENTRY 96 3644 304 354857 0 126 379008 0
sctp_asoc 2288 104 61 2358 0 254 377520 0
lkpimm 160 1 2324 1 0 62 372000 0
lkpicurr 160 2 2323 2 0 62 372000 0
malloc-32768 32768 0 10 217 0 1 327680 0
VNODE 448 578 97 5792 0 30 302400 0
malloc-2048 2048 106 30 5811 0 8 278528 0
malloc-256 256 119 961 29391 0 62 276480 0
malloc-64 64 4241 43 81092 0 254 274176 0
malloc-65536 65536 4 0 4 0 1 262144 0
malloc-2048 2048 8 108 21042 0 8 237568 0
malloc-16 16 14422 328 21668 0 254 236000 0
malloc-32768 32768 1 6 720 0 1 229376 0
DEVCTL 1024 0 220 161 0 0 225280 0
VMSPACE 2544 76 11 5993 0 4 221328 0
sctp_ep 1280 104 58 5799 0 254 207360 0
socket 944 43 169 11385 0 254 200128 0
malloc-65536 65536 1 2 48 0 1 196608 0
UMA Zones 768 246 3 246 0 16 191232 0
malloc-128 128 1245 181 12730 0 126 182528 0
malloc-32 32 5416 254 5838 0 254 181440 0
mbuf_packet 256 114 591 23665 0 254 180480 0
malloc-128 128 1265 68 34949 0 126 170624 0
clpbuf 2624 0 64 2476 0 16 167936 0
PROC 1336 106 17 6022 0 8 164328 0
FFS2 dinode 256 539 61 5751 0 62 153600 0
malloc-1024 1024 112 32 2931 0 16 147456 0
128 Bucket 1024 101 34 2911 0 16 138240 0
S VFS Cache 104 1028 298 6442 0 126 137904 0
filedesc0 1072 107 19 6097 0 8 135072 0
malloc-256 256 218 307 20138 0 62 134400 0
malloc-65536 65536 2 0 2 0 1 131072 0
malloc-65536 65536 0 2 536 0 1 131072 0
malloc-65536 65536 2 0 2 0 1 131072 0
malloc-65536 65536 0 2 24 0 1 131072 0
sctp_raddr 736 114 62 2597 0 254 129536 0
malloc-384 384 210 110 8348 0 30 122880 0
malloc-1024 1024 114 2 131 0 16 118784 0
ksiginfo 112 108 936 640 0 126 116928 0
malloc-384 384 11 289 5612 0 30 115200 0
g_bio 408 4 226 58112 0 30 93840 0
UMA Kegs 384 231 2 231 0 30 89472 0
malloc-2048 2048 4 38 511 0 8 86016 0
malloc-128 128 305 346 5782 0 126 83328 0
malloc-16384 16384 4 1 179 0 1 81920 0
malloc-8192 8192 5 5 167 0 1 81920 0
64 Bucket 512 111 49 8503 0 30 81920 0
malloc-8192 8192 5 4 16 0 1 73728 0
itimer 352 1 208 395 0 30 73568 0
tcpcb 1080 7 56 1527 0 254 68040 0
malloc-32768 32768 2 0 2 0 1 65536 0
32 Bucket 256 93 147 13333 0 62 61440 0
tcp_inpcb 488 7 113 1527 0 254 58560 0
malloc-256 256 153 72 6255 0 62 57600 0
malloc-256 256 155 55 720 0 62 53760 0
malloc-4096 4096 12 1 23 0 2 53248 0
malloc-4096 4096 13 0 13 0 2 53248 0
malloc-16384 16384 3 0 3 0 1 49152 0
malloc-8192 8192 6 0 6 0 1 49152 0
malloc-64 64 625 131 24541 0 254 48384 0
malloc-256 256 126 54 1357 0 62 46080 0
pcpu-8 8 4719 913 9365 0 254 45056 0
pipe 744 23 37 661 0 16 44640 0
DIRHASH 1024 34 6 34 0 16 40960 0
Files 80 237 263 26396 0 126 40000 0
udplite_inpcb 488 0 80 1885 0 254 39040 0
malloc-384 384 75 25 213 0 30 38400 0
NAMEI 1024 0 36 38254 0 16 36864 0
malloc-4096 4096 6 3 25 0 2 36864 0
malloc-64 64 478 89 690 0 254 36288 0
TURNSTILE 136 232 20 232 0 62 34272 0
md3 512 64 0 64 0 30 32768 0
md2 512 64 0 64 0 30 32768 0
md1 512 64 0 64 0 30 32768 0
md0 512 64 0 64 0 30 32768 0
malloc-32768 32768 1 0 1 0 1 32768 0
malloc-8192 8192 4 0 4 0 1 32768 0
pcpu-64 64 487 25 487 0 254 32768 0
tcp_bbr_pcb 832 2 34 706 0 16 29952 0
tcp_rack_pcb 832 0 36 418 0 16 29952 0
malloc-4096 4096 3 4 5210 0 2 28672 0
malloc-2048 2048 12 2 203 0 8 28672 0
malloc-1024 1024 13 15 1548 0 16 28672 0
malloc-64 64 304 137 12273 0 254 28224 0
malloc-64 64 129 312 4999 0 254 28224 0
KNOTE 160 28 147 47964 0 62 28000 0
8 Bucket 80 66 284 2973 0 126 28000 0
malloc-256 256 29 76 5369 0 62 26880 0
SLEEPQUEUE 88 232 56 232 0 126 25344 0
malloc-8192 8192 2 1 4 0 1 24576 0
malloc-2048 2048 5 7 381 0 8 24576 0
PWD 32 41 715 5083 0 254 24192 0
malloc-32 32 338 418 16258 0 254 24192 0
ttyinq 160 135 15 300 0 62 24000 0
malloc-128 128 7 179 457 0 126 23808 0
sctp_chunk 152 115 41 739 0 254 23712 0
ttyoutq 256 72 18 160 0 62 23040 0
malloc-256 256 39 51 446 0 62 23040 0
malloc-2048 2048 2 8 41 0 8 20480 0
malloc-1024 1024 17 3 17 0 16 20480 0
16 Bucket 144 74 66 719 0 62 20160 0
malloc-128 128 89 66 5192 0 126 19840 0
Mountpoints 2752 2 5 2 0 4 19264 0
malloc-384 384 34 16 36 0 30 19200 0
malloc-8192 8192 2 0 2 0 1 16384 0
malloc-4096 4096 2 2 85 0 2 16384 0
malloc-2048 2048 2 6 545 0 8 16384 0
malloc-1024 1024 11 5 11 0 16 16384 0
malloc-512 512 10 22 265 0 30 16384 0
malloc-64 64 158 94 221 0 254 16128 0
malloc-32 32 234 270 8933 0 254 16128 0
vtnet_tx_hdr 24 0 668 380784 0 254 16032 0
malloc-384 384 35 5 37 0 30 15360 0
malloc-256 256 36 24 1674 0 62 15360 0
cpuset 104 7 117 969 0 126 12896 0
malloc-1024 1024 8 4 9 0 16 12288 0
malloc-512 512 3 21 701 0 30 12288 0
malloc-512 512 2 22 303 0 30 12288 0
sctp_laddr 48 40 212 1681 0 254 12096 0
tcp_rack_map 112 0 108 806 0 126 12096 0
malloc-32 32 160 218 279 0 254 12096 0
malloc-128 128 10 83 481 0 126 11904 0
ripcb 488 5 19 150 0 254 11712 0
udp_inpcb 488 6 18 361 0 254 11712 0
kenv 258 15 30 1042 0 30 11610 0
AIOCB 552 0 21 12 0 16 11592 0
unpcb 256 20 25 1611 0 254 11520 0
malloc-384 384 1 29 36 0 30 11520 0
malloc-8192 8192 1 0 1 0 1 8192 0
malloc-4096 4096 0 2 8 0 2 8192 0
malloc-1024 1024 2 6 15 0 16 8192 0
malloc-1024 1024 1 7 143 0 16 8192 0
malloc-512 512 4 12 4 0 30 8192 0
malloc-512 512 12 4 12 0 30 8192 0
rtentry 176 30 16 34 0 62 8096 0
tcptw 88 0 92 12 0 254 8096 0
PGRP 88 35 57 63 0 126 8096 0
rl_entry 40 99 103 99 0 254 8080 0
sctp_stream_msg_out 112 34 38 528 0 254 8064 0
syncache 168 0 48 4 0 254 8064 0
udpcb 32 6 246 2246 0 254 8064 0
ertt 72 7 105 1527 0 126 8064 0
malloc-64 64 12 114 130 0 254 8064 0
malloc-64 64 88 38 644 0 254 8064 0
malloc-32 32 137 115 206 0 254 8064 0
malloc-32 32 21 231 67 0 254 8064 0
malloc-32 32 38 214 877 0 254 8064 0
4 Bucket 48 7 161 152 0 254 8064 0
2 Bucket 32 64 188 1194 0 254 8064 0
malloc-16 16 9 491 1545 0 254 8000 0
malloc-16 16 358 142 639 0 254 8000 0
malloc-16 16 16 484 19 0 254 8000 0
malloc-16 16 187 313 1441 0 254 8000 0
malloc-16 16 30 470 30049 0 254 8000 0
malloc-16 16 218 282 8713 0 254 8000 0
malloc-128 128 25 37 123 0 126 7936 0
sctp_readq 152 0 52 78 0 254 7904 0
AIO 208 0 38 14 0 62 7904 0
cryptop 280 0 28 81 0 30 7840 0
routing nhops 256 27 3 34 0 62 7680 0
malloc-384 384 1 19 349 0 30 7680 0
FPU_save_area 832 1 8 1 0 16 7488 0
domainset 40 0 126 962 0 254 5040 0
epoch_record pcpu 256 4 12 4 0 62 4096 0
malloc-2048 2048 1 1 1 0 8 4096 0
malloc-512 512 1 7 11 0 30 4096 0
pcpu-16 16 7 249 7 0 254 4096 0
sackhole 32 0 126 1 0 254 4032 0
hostcache 64 2 61 2 0 254 4032 0
AIOP 32 4 122 4 0 254 4032 0
UMA Slabs 1 176 10 12 10 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
tfo_ccache_entries 80 1 31 1 0 126 2560 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
da_ccb 544 0 0 0 0 16 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_ack 48 0 0 0 0 254 0 0
sctp_asconf 40 0 0 0 0 254

---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.

Mark Johnston

unread,
Jul 28, 2021, 11:58:16 AM7/28/21
to syzbot, syzkaller-f...@googlegroups.com
#syz dup: panic: ASan: Invalid access, 8-byte read in handleevents
Reply all
Reply to author
Forward
0 new messages