Fatal trap NUM: page fault in in6_unlink_ifa
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syzbot
Oct 3, 2021, 10:10:15 PM10/3/21
to syzkaller-f...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 248682a58915 loader bcache: Allow readahead up to 256 kB I..
git tree: https://github.com/freebsd/freebsd-src.git main
console output: https://syzkaller.appspot.com/x/log.txt?x=10887eef300000
dashboard link: https://syzkaller.appspot.com/bug?extid=eae31fe0eab6022a4aae
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+eae31f...@syzkaller.appspotmail.com
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0xe0
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff81bc2dbf
stack pointer = 0x28:0xfffffe00a5e4c140
frame pointer = 0x28:0xfffffe00a5e4c230
FreeBSD/amd64code segment = base 0x0, limit 0xfffff, type 0x1b
(ci-freebsd-i38 = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 6311 (syz-executor.1)
trap number = 12
panic: page fault
cpuid = 0
time = 1633313361
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00a5e4b950
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00a5e4bab0
vpanic() at vpanic+0x2c5/frame 0xfffffe00a5e4bb90
panic() at panic+0xb5/frame 0xfffffe00a5e4bc50
trap_fatal() at trap_fatal+0x6a4/frame 0xfffffe00a5e4bd50
trap_pfault() at trap_pfault+0x186/frame 0xfffffe00a5e4be90
trap() at trap+0x5e7/frame 0xfffffe00a5e4c070
calltrap() at calltrap+0x8/frame 0xfffffe00a5e4c070
--- trap 0xc, rip = 0xffffffff81bc2dbf, rsp = 0xfffffe00a5e4c140, rbp = 0xfffffe00a5e4c230 ---
in6_unlink_ifa() at in6_unlink_ifa+0x1ef/frame 0xfffffe00a5e4c230
in6_purgeaddr() at in6_purgeaddr+0xa84/frame 0xfffffe00a5e4c530
in6_purgeifaddr() at in6_purgeifaddr+0x31/frame 0xfffffe00a5e4c570
if_purgeaddrs() at if_purgeaddrs+0x2a1/frame 0xfffffe00a5e4c6f0
tundtor() at tundtor+0x4bd/frame 0xfffffe00a5e4c780
devfs_destroy_cdevpriv() at devfs_destroy_cdevpriv+0x168/frame 0xfffffe00a5e4c7c0
devfs_close_f() at devfs_close_f+0xbd/frame 0xfffffe00a5e4c800
_fdrop() at _fdrop+0x58/frame 0xfffffe00a5e4c830
closef() at closef+0x686/frame 0xfffffe00a5e4ca20
fdescfree_fds() at fdescfree_fds+0x1fa/frame 0xfffffe00a5e4ca90
fdescfree() at fdescfree+0x903/frame 0xfffffe00a5e4cc80
exit1() at exit1+0x8b7/frame 0xfffffe00a5e4cd10
sys_sys_exit() at sys_sys_exit+0x28/frame 0xfffffe00a5e4cd30
ia32_syscall() at ia32_syscall+0x41f/frame 0xfffffe00a5e4cf30
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xffffd5e0
KDB: enter: panic
[ thread pid 6311 tid 100914 ]
Stopped at kdb_enter+0x6b: movq $0,0x28df05a(%rip)
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 0x57b9f045b26aff58
rdx 0x1
rbx 0
rsp 0xfffffe00a5e4ba90
rbp 0xfffffe00a5e4bab0
rsi 0
rdi 0xffffffff817becea vprintf+0x35a
r8 0
r9 0xfffffe00a5e4b5c8
r10 0
r11 0xfffffe0058955190
r12 0xfffffe009eac9740
r13 0xfffffe00a5e4bb01
r14 0xffffffff82c82d00 .str.18
r15 0xffffffff82c82d00 .str.18
rip 0xffffffff817b265b kdb_enter+0x6b
rflags 0x200046 kernload+0x46
kdb_enter+0x6b: movq $0,0x28df05a(%rip)
db> show proc
Process 6311 (syz-executor.1) at 0xfffffe009eb52538:
state: NORMAL
uid: 0 gids: 0, 0, 5
parent: pid 1 at 0xfffffe0053d59538
ABI: FreeBSD ELF32
flag: 0x10002000 flag2: 0
arguments: /root/syz-executor.1 exec
reaper: 0xfffffe0053d59538 reapsubtree: 1
sigparent: 20
vmspace: 0xfffffe009e574000
(map 0xfffffe009e574000)
(map.pmap 0xfffffe009e5740c0)
(pmap 0xfffffe009e574120)
threads: 1
100914 Run CPU 0 syz-executor.1
db> ps
pid ppid pgrp uid state wmesg wchan cmd
6318 787 787 0 S (threaded) syz-executor.2
101886 S nanslp 0xffffffff8405e581 syz-executor.2
106016 S connec 0xfffffe00a763fc1a syz-executor.2
106017 S uwait 0xfffffe0058783700 syz-executor.2
6317 6283 436 0 L *in6_ifa 0xfffffe009e542900 ifconfig
6311 1 6311 0 RE CPU 0 syz-executor.1
6283 6277 436 0 S wait 0xfffffe00588bf000 sh
6277 436 436 0 S wait 0xfffffe00a3c6c000 sh
6259 1 6259 65 Ss select 0xfffffe00575570c0 dhclient
5085 1 5085 0 Ss select 0xfffffe009e41f6c0 dhclient
5082 1 5082 0 Ss select 0xfffffe009e41f8c0 dhclient
2849 1 2849 65 Ss select 0xfffffe009e41f5c0 dhclient
2315 1 783 0 S uwait 0xfffffe0058850600 syz-executor.0
1707 1 1707 0 Ss select 0xfffffe009e41f540 dhclient
1704 1 1704 0 Ss select 0xfffffe009e41fbc0 dhclient
1685 1 1685 65 Ss select 0xfffffe009e3110c0 dhclient
1110 1 1110 0 Ss select 0xfffffe009e41f840 dhclient
1107 1 1107 0 Ss select 0xfffffe009e41f640 dhclient
966 0 0 0 DL aiordy 0xfffffe009ea59a70 [aiod4]
964 0 0 0 DL aiordy 0xfffffe0058b57538 [aiod3]
962 0 0 0 DL aiordy 0xfffffe009ea59000 [aiod2]
960 0 0 0 DL aiordy 0xfffffe0058b4a538 [aiod1]
812 780 812 0 Ss piperd 0xfffffe00588ddba0 syz-executor.3
787 780 787 0 Ss nanslp 0xffffffff8405e581 syz-executor.2
783 780 783 0 Ss piperd 0xfffffe009ea148b8 syz-executor.0
780 778 778 0 S (threaded) syz-fuzzer
100109 S uwait 0xfffffe0058854080 syz-fuzzer
100123 S uwait 0xfffffe0057599380 syz-fuzzer
100124 S kqread 0xfffffe009e3c3e00 syz-fuzzer
100125 S uwait 0xfffffe0058850e00 syz-fuzzer
100126 S uwait 0xfffffe0058850a00 syz-fuzzer
100127 S uwait 0xfffffe0058850900 syz-fuzzer
100128 S uwait 0xfffffe0058850800 syz-fuzzer
100129 S uwait 0xfffffe0058850d00 syz-fuzzer
100182 S uwait 0xfffffe005884c800 syz-fuzzer
778 776 778 0 Ss pause 0xfffffe00589685e8 csh
776 694 776 0 Ss select 0xfffffe009e41f7c0 sshd
760 1 760 0 Ss+ ttyin 0xfffffe005700f8b0 getty
759 1 759 0 Ss+ ttyin 0xfffffe00575f48b0 getty
758 1 758 0 Ss+ ttyin 0xfffffe00575f10b0 getty
757 1 757 0 Ss+ ttyin 0xfffffe00575f18b0 getty
756 1 756 0 Ss+ ttyin 0xfffffe00575ed0b0 getty
755 1 755 0 Ss+ ttyin 0xfffffe00575ed8b0 getty
754 1 754 0 Ss+ ttyin 0xfffffe00575e70b0 getty
753 1 753 0 Ss+ ttyin 0xfffffe00575e78b0 getty
752 1 752 0 Ss+ ttyin 0xfffffe005757b0b0 getty
698 1 698 0 Ss nanslp 0xffffffff8405e580 cron
694 1 694 0 Ss select 0xfffffe009e41f940 sshd
507 1 507 0 Ss select 0xfffffe009e41fa40 syslogd
436 1 436 0 Ss wait 0xfffffe0058b7ca70 devd
435 1 435 65 Ss select 0xfffffe009e41fac0 dhclient
350 1 350 0 Ss select 0xfffffe005887c240 dhclient
347 1 347 0 Ss select 0xfffffe005887c140 dhclient
23 0 0 0 DL syncer 0xffffffff84186960 [syncer]
22 0 0 0 DL vlruwt 0xfffffe005877ca70 [vnlru]
21 0 0 0 DL (threaded) [bufdaemon]
100085 D qsleep 0xffffffff84184660 [bufdaemon]
100088 D - 0xffffffff83411f80 [bufspacedaemon-0]
100101 D sdflush 0xfffffe005754c4e8 [/ 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 0xffffffff81eb5cf0 [uma]
18 0 0 0 DL - 0xffffffff83e14ba0 [rand_harvestq]
17 0 0 0 DL waiting 0xffffffff849da6e0 [sctp_iterator]
16 0 0 0 DL pftm 0xffffffff84d172f0 [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 Run CPU 1 [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 - 0xffffffff82c89c80 [deadlkres]
100077 D - 0xfffffe00575e0c00 [acpi_task_0]
100078 D - 0xfffffe00575e0c00 [acpi_task_1]
100079 D - 0xfffffe00575e0c00 [acpi_task_2]
100081 D - 0xfffffe0053e06700 [CAM taskq]
db> show all locks
Process 6311 (syz-executor.1) thread 0xfffffe009eac9740 (100914)
exclusive rm in6_ifaddr_lock (in6_ifaddr_lock) r = 0 (0xffffffff841a69a0) locked @ /syzkaller/managers/i386/kernel/sys/netinet6/in6.c:1403
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
pf_rule 842 1467K 888
kobj 326 1304K 483
newblk 9 1026K 5982
vfscache 3 1025K 3
pcb 428 987K 8120
inodedep 22 520K 5391
ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
intr 4 472K 4
subproc 150 292K 6410
vmem 3 274K 5
sctp_stro 200 200K 1425
acpica 1674 184K 55237
vnet_data 1 168K 1
sctp_atcl 400 150K 5000
tidhash 3 141K 3
linker 355 140K 383
pagedep 9 130K 5314
tfo_ccache 1 128K 1
DEVFS1 108 108K 128
sem 4 106K 4
filedesc 14 105K 10626
bus 986 80K 3474
mtx_pool 2 72K 2
BPF 38 71K 49
syncache 1 68K 1
acpitask 1 64K 1
ddb_capture 1 64K 1
module 509 64K 509
umtx 374 47K 374
kdtrace 228 45K 12349
temp 34 33K 4113
hostcache 1 32K 1
shm 1 32K 2
DEVFS3 127 32K 138
msg 4 30K 4
gtaskqueue 18 26K 18
sctp_atky 600 25K 6685
kbdmux 6 22K 6
DEVFS_RULE 56 20K 56
ifaddr 69 20K 83
routetbl 203 19K 756
ufs_mount 4 17K 5
proc 3 17K 3
tty 16 16K 16
ithread 99 16K 99
bus-sc 34 15K 1691
sctp_timw 56 14K 56
KTRACE 100 13K 100
ifnet 7 13K 8
lltable 39 12K 60
kenv 95 12K 95
eventhandler 133 12K 133
ether_multi 129 11K 195
CAM queue 5 11K 1528
GEOM 61 10K 487
rman 84 10K 425
bmsafemap 3 9K 5359
UART 12 9K 12
devstat 4 9K 4
ksem 1 8K 6
rpc 2 8K 2
shmfd 1 8K 1
pfs_vncache 1 8K 1
in6_multi 61 8K 81
pfs_nodes 20 8K 20
audit_evclass 237 8K 295
taskqueue 63 7K 63
kqueue 67 7K 6333
sctp_athm 400 7K 5032
sctp_map 400 7K 2850
cred 25 7K 741
sglist 5 7K 5
CAM DEV 3 6K 510
plimit 23 6K 424
ufs_dirhash 24 5K 24
UMA 270 5K 270
DEVFSP 69 5K 529
pf_ifnet 10 5K 24
vt 11 5K 11
memdesc 1 4K 1
MCA 32 4K 32
session 32 4K 50
evdev 4 4K 4
pwddesc 64 4K 6325
acpisem 28 4K 28
kcovinfo 55 4K 85
hhook 15 4K 17
lockf 30 4K 55
dirrem 12 3K 5306
proc-args 52 3K 703
selfd 45 3K 91642
terminal 11 3K 11
uidinfo 3 3K 8
local_apic 1 2K 1
io_apic 1 2K 1
fpukern_ctx 2 2K 2
ipsec-saq 2 2K 2
select 16 2K 79
Unitno 29 2K 53
ip6ndp 11 2K 17
CAM XPT 22 2K 543
sctp_ifa 12 2K 17
ipsecpolicy 2 2K 2
in_multi 5 2K 9
acpidev 20 2K 20
msi 9 2K 9
clone 9 2K 9
tun 7 2K 8
freework 5 2K 5307
softdep 1 1K 1
freefile 8 1K 5299
freeblks 4 1K 5306
sahead 1 1K 1
secasvar 1 1K 1
nhops 6 1K 8
vnodemarker 2 1K 34
NFSD session 1 1K 1
CAM periph 4 1K 271
ipsec 3 1K 3
mld 6 1K 7
igmp 6 1K 7
toponodes 6 1K 6
isadev 6 1K 6
mount 16 1K 89
pci_link 10 1K 10
sctp_ifn 5 1K 17
mkdir 5 1K 10588
crypto 4 1K 4
encap_export_host 12 1K 12
inpcbpolicy 17 1K 2326
pfil 4 1K 4
procdesc 4 1K 18
cdev 2 1K 2
osd 9 1K 1277
newdirblk 3 1K 5294
diradd 3 1K 5341
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
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
tcp_fsb 1 1K 685
nexusdev 8 1K 8
apmdev 1 1K 1
atkbddev 2 1K 2
CAM dev queue 2 1K 2
xform 2 1K 502
CAM I/O Scheduler 1 1K 1
CAM path 4 1K 1034
soname 5 1K 9954
pmchooks 1 1K 1
sctp_vrf 1 1K 1
vnet 1 1K 1
entropy 2 1K 43
acpiintr 1 1K 1
pmc 1 1K 1
filecaps 4 1K 112
cpus 2 1K 2
vnet_data_free 1 1K 1
Per-cpu 1 1K 1
p1003.1b 1 1K 1
dctcp data 0 0K 0
pf_table 0 0K 29
pf_altq 0 0K 0
pf_osfp 0 0K 0
pf_temp 0 0K 0
mqdata 0 0K 0
cdg data 0 0K 0
cubic data 0 0K 0
sctp_mcore 0 0K 0
sctp_socko 0 0K 1828
sctp_iter 0 0K 16
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 16
sctp_aadr 0 0K 0
sctp_stri 0 0K 64
vegas data 0 0K 0
chd data 0 0K 0
tcp_do 0 0K 0
htcp data 0 0K 0
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 4596
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 15
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
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 5475
namei_tracker 0 0K 0
export_host 0 0K 0
cl_savebuf 0 0K 2
twe_commands 0 0K 0
twa_commands 0 0K 0
tcp_log_dev 0 0K 659
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 406
acl 0 0K 0
osti_cacheable 0 0K 0
mbuf_tag 0 0K 165
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 20790
ioctlops 0 0K 1177
eventfd 0 0K 4
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 873
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 980 943182 0 254 38092800 0
pbuf 2624 0 973 0 0 2 2553152 0
mbuf 256 8877 693 1499440 0 254 2449920 0
tcp_log 416 166 5081 60720 0 254 2182752 0
BUF TRIE 144 197 11563 786 0 62 1693440 0
RADIX NODE 144 11050 257 187616 0 62 1628208 0
malloc-384 384 4151 9 4151 0 30 1597440 0
malloc-2048 2048 729 5 871 0 8 1503232 0
malloc-128 128 11637 19 15131 0 126 1491968 0
malloc-4096 4096 344 4 1136 0 2 1425408 0
UMA Slabs 0 112 11018 31 11018 0 126 1237488 0
mbuf_cluster 2048 585 1 585 0 254 1200128 0
vmem btag 56 18063 128 18063 0 254 1018696 0
FFS inode 1160 515 24 5814 0 8 625240 0
malloc-65536 65536 6 2 14 0 1 524288 0
sctp_asoc 2288 200 20 1425 0 254 503360 0
malloc-384 384 41 1179 5410 0 30 468480 0
malloc-2048 2048 203 19 3546 0 8 454656 0
256 Bucket 2048 181 19 18060 0 8 409600 0
lkpimm 168 1 2327 1 0 62 391104 0
lkpicurr 168 2 2326 2 0 62 391104 0
VM OBJECT 264 1251 129 91148 0 30 364320 0
malloc-256 256 206 1189 5830 0 62 357120 0
THREAD 1808 162 25 6023 0 8 338096 0
malloc-256 256 9 1281 10578 0 62 330240 0
malloc-4096 4096 68 9 12737 0 2 315392 0
ertt_txseginfo 40 0 7777 43627 0 254 311080 0
sctp_ep 1272 200 31 3543 0 254 293832 0
VNODE 448 553 68 5855 0 30 278208 0
malloc-64 64 4006 152 16887 0 254 266112 0
malloc-16384 16384 9 7 5313 0 1 262144 0
malloc-128 128 738 1215 7669 0 126 249984 0
malloc-16 16 14570 430 19824 0 254 240000 0
malloc-1024 1024 210 18 1943 0 16 233472 0
DEVCTL 1024 8 212 172 0 0 225280 0
tcp_bbr_map 128 0 1705 7661 0 126 218240 0
malloc-65536 65536 1 2 137 0 1 196608 0
MAP ENTRY 96 1559 457 334641 0 126 193536 0
UMA Zones 768 242 2 242 0 16 187392 0
malloc-32 32 5613 183 9607 0 254 185472 0
socket 960 38 146 7360 0 254 176640 0
malloc-384 384 402 48 5002 0 30 172800 0
FPU_save_area 832 164 43 11407 0 16 172224 0
sctp_raddr 736 200 31 1585 0 254 170016 0
malloc-128 128 1272 30 26869 0 126 166656 0
mbuf_packet 256 63 522 7181 0 254 149760 0
malloc-1024 1024 135 5 159 0 16 143360 0
S VFS Cache 104 1012 353 7621 0 126 141960 0
FFS2 dinode 256 515 25 5814 0 62 138240 0
malloc-65536 65536 0 2 6 0 1 131072 0
malloc-65536 65536 0 2 204 0 1 131072 0
malloc-65536 65536 2 0 2 0 1 131072 0
VMSPACE 2544 38 13 6305 0 4 129744 0
ksiginfo 112 69 975 5488 0 126 116928 0
PROC 1336 64 20 6324 0 8 112224 0
128 Bucket 1024 70 29 1296 0 16 101376 0
filedesc0 1072 65 26 6325 0 8 97552 0
malloc-256 256 231 129 18371 0 62 92160 0
pcpu-8 8 10500 764 11620 0 254 90112 0
UMA Kegs 384 227 6 227 0 30 89472 0
malloc-256 256 290 40 9610 0 62 84480 0
clpbuf 2624 0 32 23 0 16 83968 0
malloc-128 128 510 110 11453 0 126 79360 0
64 Bucket 512 109 35 6676 0 30 73728 0
g_bio 408 0 180 6316 0 30 73440 0
malloc-32768 32768 2 0 2 0 1 65536 0
malloc-32768 32768 0 2 130 0 1 65536 0
malloc-16384 16384 3 1 18 0 1 65536 0
tcp_inpcb 496 5 123 1266 0 254 63488 0
malloc-4096 4096 12 3 16 0 2 61440 0
malloc-384 384 138 12 180 0 30 57600 0
malloc-64 64 411 471 92572 0 254 56448 0
32 Bucket 256 96 114 11907 0 62 53760 0
tcpcb 1096 5 44 1266 0 254 53704 0
malloc-4096 4096 12 1 23 0 2 53248 0
malloc-128 128 301 102 11621 0 126 51584 0
malloc-8192 8192 4 2 32 0 1 49152 0
malloc-8192 8192 4 2 6 0 1 49152 0
malloc-2048 2048 3 21 510 0 8 49152 0
malloc-64 64 618 138 17955 0 254 48384 0
malloc-2048 2048 0 22 573 0 8 45056 0
DIRHASH 1024 34 6 34 0 16 40960 0
malloc-8192 8192 5 0 5 0 1 40960 0
malloc-8192 8192 5 0 5 0 1 40960 0
NAMEI 1024 0 36 40392 0 16 36864 0
malloc-64 64 208 359 2992 0 254 36288 0
Files 80 208 242 22244 0 126 36000 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 17 0 8 32768 0
pcpu-64 64 487 25 487 0 254 32768 0
malloc-64 64 444 60 634 0 254 32256 0
udplite_inpcb 496 1 63 802 0 254 31744 0
malloc-256 256 63 57 381 0 62 30720 0
tcp_rack_pcb 832 1 35 685 0 16 29952 0
TURNSTILE 136 188 22 188 0 62 28560 0
KNOTE 160 22 153 79249 0 62 28000 0
da_ccb 544 0 49 1699 0 16 26656 0
malloc-8192 8192 3 0 3 0 1 24576 0
malloc-4096 4096 2 4 13 0 2 24576 0
malloc-1024 1024 2 22 41 0 16 24576 0
PWD 32 18 738 5386 0 254 24192 0
malloc-32 32 411 345 5717 0 254 24192 0
ttyinq 160 135 15 300 0 62 24000 0
8 Bucket 80 47 253 2680 0 126 24000 0
ttyoutq 256 72 18 160 0 62 23040 0
malloc-256 256 78 12 190 0 62 23040 0
tcp_bbr_pcb 832 0 27 281 0 16 22464 0
pipe 744 19 11 414 0 16 22320 0
malloc-2048 2048 8 2 134 0 8 20480 0
SLEEPQUEUE 88 188 36 188 0 126 19712 0
Mountpoints 2752 2 5 2 0 4 19264 0
malloc-256 256 53 22 988 0 62 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 1 1 102 0 1 16384 0
malloc-8192 8192 2 0 2 0 1 16384 0
malloc-1024 1024 5 11 1267 0 16 16384 0
malloc-1024 1024 10 6 169 0 16 16384 0
malloc-512 512 2 30 119 0 30 16384 0
sctp_stream_msg_out 112 110 34 212 0 254 16128 0
16 Bucket 144 56 56 442 0 62 16128 0
vtnet_tx_hdr 24 0 668 473420 0 254 16032 0
sctp_chunk 152 95 9 255 0 254 15808 0
malloc-384 384 18 22 780 0 30 15360 0
malloc-384 384 23 17 32 0 30 15360 0
malloc-256 256 20 40 5847 0 62 15360 0
malloc-2048 2048 2 4 43 0 8 12288 0
malloc-2048 2048 2 4 193 0 8 12288 0
tcp_rack_map 112 2 106 1332 0 126 12096 0
malloc-64 64 105 84 7145 0 254 12096 0
malloc-32 32 189 189 1527 0 254 12096 0
malloc-32 32 125 253 5537 0 254 12096 0
malloc-16 16 455 295 3379 0 254 12000 0
malloc-16 16 416 334 5085 0 254 12000 0
udp_inpcb 496 7 17 231 0 254 11904 0
malloc-128 128 58 35 93 0 126 11904 0
kenv 258 15 30 1042 0 30 11610 0
routing nhops 256 23 22 39 0 62 11520 0
unpcb 256 17 28 1450 0 254 11520 0
malloc-8192 8192 1 0 1 0 1 8192 0
malloc-4096 4096 0 2 4 0 2 8192 0
malloc-4096 4096 1 1 4 0 2 8192 0
malloc-1024 1024 4 4 31 0 16 8192 0
malloc-512 512 2 14 63 0 30 8192 0
malloc-512 512 9 7 9 0 30 8192 0
malloc-512 512 10 6 73 0 30 8192 0
malloc-512 512 0 16 64 0 30 8192 0
rtentry 176 27 19 39 0 62 8096 0
PGRP 88 32 60 52 0 126 8096 0
rl_entry 40 53 149 53 0 254 8080 0
sctp_laddr 48 0 168 1131 0 254 8064 0
udpcb 32 8 244 1033 0 254 8064 0
AIOP 32 4 248 4 0 254 8064 0
ertt 72 5 107 1266 0 126 8064 0
malloc-64 64 68 58 113 0 254 8064 0
malloc-64 64 38 88 49 0 254 8064 0
malloc-32 32 41 211 79 0 254 8064 0
malloc-32 32 34 218 746 0 254 8064 0
malloc-32 32 38 214 2757 0 254 8064 0
4 Bucket 48 8 160 176 0 254 8064 0
2 Bucket 32 56 196 1149 0 254 8064 0
malloc-16 16 20 480 2926 0 254 8000 0
malloc-16 16 288 212 518 0 254 8000 0
malloc-16 16 194 306 1419 0 254 8000 0
malloc-16 16 24 476 28529 0 254 8000 0
ripcb 496 4 12 27 0 254 7936 0
malloc-128 128 24 38 125 0 126 7936 0
malloc-128 128 2 60 24 0 126 7936 0
AIO 208 0 38 202 0 62 7904 0
AIOCB 552 0 14 193 0 16 7728 0
malloc-384 384 11 9 11 0 30 7680 0
malloc-384 384 1 19 341 0 30 7680 0
AIOLIO 272 0 28 203 0 30 7616 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
pf tags 104 2 37 2 0 126 4056 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
sctp_readq 152 0 26 45 0 254 3952 0
UMA Slabs 1 176 21 1 21 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
sctp_asconf_ack 48 0 0 0 0 254 0 0
sctp_asconf 40 0 0 0 0 254 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 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 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
tcptw 88 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
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 592 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
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 0
mdpbuf 2624 0 0 0 0 3 0 0
nfspbuf 2624 0 0 0 0 16 0 0
swwbuf 2624 0
---
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.
syzbot found the following issue on:
HEAD commit: 248682a58915 loader bcache: Allow readahead up to 256 kB I..
git tree: https://github.com/freebsd/freebsd-src.git main
console output: https://syzkaller.appspot.com/x/log.txt?x=10887eef300000
dashboard link: https://syzkaller.appspot.com/bug?extid=eae31fe0eab6022a4aae
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+eae31f...@syzkaller.appspotmail.com
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0xe0
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff81bc2dbf
stack pointer = 0x28:0xfffffe00a5e4c140
frame pointer = 0x28:0xfffffe00a5e4c230
FreeBSD/amd64code segment = base 0x0, limit 0xfffff, type 0x1b
(ci-freebsd-i38 = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 6311 (syz-executor.1)
trap number = 12
panic: page fault
cpuid = 0
time = 1633313361
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00a5e4b950
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00a5e4bab0
vpanic() at vpanic+0x2c5/frame 0xfffffe00a5e4bb90
panic() at panic+0xb5/frame 0xfffffe00a5e4bc50
trap_fatal() at trap_fatal+0x6a4/frame 0xfffffe00a5e4bd50
trap_pfault() at trap_pfault+0x186/frame 0xfffffe00a5e4be90
trap() at trap+0x5e7/frame 0xfffffe00a5e4c070
calltrap() at calltrap+0x8/frame 0xfffffe00a5e4c070
--- trap 0xc, rip = 0xffffffff81bc2dbf, rsp = 0xfffffe00a5e4c140, rbp = 0xfffffe00a5e4c230 ---
in6_unlink_ifa() at in6_unlink_ifa+0x1ef/frame 0xfffffe00a5e4c230
in6_purgeaddr() at in6_purgeaddr+0xa84/frame 0xfffffe00a5e4c530
in6_purgeifaddr() at in6_purgeifaddr+0x31/frame 0xfffffe00a5e4c570
if_purgeaddrs() at if_purgeaddrs+0x2a1/frame 0xfffffe00a5e4c6f0
tundtor() at tundtor+0x4bd/frame 0xfffffe00a5e4c780
devfs_destroy_cdevpriv() at devfs_destroy_cdevpriv+0x168/frame 0xfffffe00a5e4c7c0
devfs_close_f() at devfs_close_f+0xbd/frame 0xfffffe00a5e4c800
_fdrop() at _fdrop+0x58/frame 0xfffffe00a5e4c830
closef() at closef+0x686/frame 0xfffffe00a5e4ca20
fdescfree_fds() at fdescfree_fds+0x1fa/frame 0xfffffe00a5e4ca90
fdescfree() at fdescfree+0x903/frame 0xfffffe00a5e4cc80
exit1() at exit1+0x8b7/frame 0xfffffe00a5e4cd10
sys_sys_exit() at sys_sys_exit+0x28/frame 0xfffffe00a5e4cd30
ia32_syscall() at ia32_syscall+0x41f/frame 0xfffffe00a5e4cf30
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xffffd5e0
KDB: enter: panic
[ thread pid 6311 tid 100914 ]
Stopped at kdb_enter+0x6b: movq $0,0x28df05a(%rip)
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 0x57b9f045b26aff58
rdx 0x1
rbx 0
rsp 0xfffffe00a5e4ba90
rbp 0xfffffe00a5e4bab0
rsi 0
rdi 0xffffffff817becea vprintf+0x35a
r8 0
r9 0xfffffe00a5e4b5c8
r10 0
r11 0xfffffe0058955190
r12 0xfffffe009eac9740
r13 0xfffffe00a5e4bb01
r14 0xffffffff82c82d00 .str.18
r15 0xffffffff82c82d00 .str.18
rip 0xffffffff817b265b kdb_enter+0x6b
rflags 0x200046 kernload+0x46
kdb_enter+0x6b: movq $0,0x28df05a(%rip)
db> show proc
Process 6311 (syz-executor.1) at 0xfffffe009eb52538:
state: NORMAL
uid: 0 gids: 0, 0, 5
parent: pid 1 at 0xfffffe0053d59538
ABI: FreeBSD ELF32
flag: 0x10002000 flag2: 0
arguments: /root/syz-executor.1 exec
reaper: 0xfffffe0053d59538 reapsubtree: 1
sigparent: 20
vmspace: 0xfffffe009e574000
(map 0xfffffe009e574000)
(map.pmap 0xfffffe009e5740c0)
(pmap 0xfffffe009e574120)
threads: 1
100914 Run CPU 0 syz-executor.1
db> ps
pid ppid pgrp uid state wmesg wchan cmd
6318 787 787 0 S (threaded) syz-executor.2
101886 S nanslp 0xffffffff8405e581 syz-executor.2
106016 S connec 0xfffffe00a763fc1a syz-executor.2
106017 S uwait 0xfffffe0058783700 syz-executor.2
6317 6283 436 0 L *in6_ifa 0xfffffe009e542900 ifconfig
6311 1 6311 0 RE CPU 0 syz-executor.1
6283 6277 436 0 S wait 0xfffffe00588bf000 sh
6277 436 436 0 S wait 0xfffffe00a3c6c000 sh
6259 1 6259 65 Ss select 0xfffffe00575570c0 dhclient
5085 1 5085 0 Ss select 0xfffffe009e41f6c0 dhclient
5082 1 5082 0 Ss select 0xfffffe009e41f8c0 dhclient
2849 1 2849 65 Ss select 0xfffffe009e41f5c0 dhclient
2315 1 783 0 S uwait 0xfffffe0058850600 syz-executor.0
1707 1 1707 0 Ss select 0xfffffe009e41f540 dhclient
1704 1 1704 0 Ss select 0xfffffe009e41fbc0 dhclient
1685 1 1685 65 Ss select 0xfffffe009e3110c0 dhclient
1110 1 1110 0 Ss select 0xfffffe009e41f840 dhclient
1107 1 1107 0 Ss select 0xfffffe009e41f640 dhclient
966 0 0 0 DL aiordy 0xfffffe009ea59a70 [aiod4]
964 0 0 0 DL aiordy 0xfffffe0058b57538 [aiod3]
962 0 0 0 DL aiordy 0xfffffe009ea59000 [aiod2]
960 0 0 0 DL aiordy 0xfffffe0058b4a538 [aiod1]
812 780 812 0 Ss piperd 0xfffffe00588ddba0 syz-executor.3
787 780 787 0 Ss nanslp 0xffffffff8405e581 syz-executor.2
783 780 783 0 Ss piperd 0xfffffe009ea148b8 syz-executor.0
780 778 778 0 S (threaded) syz-fuzzer
100109 S uwait 0xfffffe0058854080 syz-fuzzer
100123 S uwait 0xfffffe0057599380 syz-fuzzer
100124 S kqread 0xfffffe009e3c3e00 syz-fuzzer
100125 S uwait 0xfffffe0058850e00 syz-fuzzer
100126 S uwait 0xfffffe0058850a00 syz-fuzzer
100127 S uwait 0xfffffe0058850900 syz-fuzzer
100128 S uwait 0xfffffe0058850800 syz-fuzzer
100129 S uwait 0xfffffe0058850d00 syz-fuzzer
100182 S uwait 0xfffffe005884c800 syz-fuzzer
778 776 778 0 Ss pause 0xfffffe00589685e8 csh
776 694 776 0 Ss select 0xfffffe009e41f7c0 sshd
760 1 760 0 Ss+ ttyin 0xfffffe005700f8b0 getty
759 1 759 0 Ss+ ttyin 0xfffffe00575f48b0 getty
758 1 758 0 Ss+ ttyin 0xfffffe00575f10b0 getty
757 1 757 0 Ss+ ttyin 0xfffffe00575f18b0 getty
756 1 756 0 Ss+ ttyin 0xfffffe00575ed0b0 getty
755 1 755 0 Ss+ ttyin 0xfffffe00575ed8b0 getty
754 1 754 0 Ss+ ttyin 0xfffffe00575e70b0 getty
753 1 753 0 Ss+ ttyin 0xfffffe00575e78b0 getty
752 1 752 0 Ss+ ttyin 0xfffffe005757b0b0 getty
698 1 698 0 Ss nanslp 0xffffffff8405e580 cron
694 1 694 0 Ss select 0xfffffe009e41f940 sshd
507 1 507 0 Ss select 0xfffffe009e41fa40 syslogd
436 1 436 0 Ss wait 0xfffffe0058b7ca70 devd
435 1 435 65 Ss select 0xfffffe009e41fac0 dhclient
350 1 350 0 Ss select 0xfffffe005887c240 dhclient
347 1 347 0 Ss select 0xfffffe005887c140 dhclient
23 0 0 0 DL syncer 0xffffffff84186960 [syncer]
22 0 0 0 DL vlruwt 0xfffffe005877ca70 [vnlru]
21 0 0 0 DL (threaded) [bufdaemon]
100085 D qsleep 0xffffffff84184660 [bufdaemon]
100088 D - 0xffffffff83411f80 [bufspacedaemon-0]
100101 D sdflush 0xfffffe005754c4e8 [/ 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 0xffffffff81eb5cf0 [uma]
18 0 0 0 DL - 0xffffffff83e14ba0 [rand_harvestq]
17 0 0 0 DL waiting 0xffffffff849da6e0 [sctp_iterator]
16 0 0 0 DL pftm 0xffffffff84d172f0 [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 Run CPU 1 [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 - 0xffffffff82c89c80 [deadlkres]
100077 D - 0xfffffe00575e0c00 [acpi_task_0]
100078 D - 0xfffffe00575e0c00 [acpi_task_1]
100079 D - 0xfffffe00575e0c00 [acpi_task_2]
100081 D - 0xfffffe0053e06700 [CAM taskq]
db> show all locks
Process 6311 (syz-executor.1) thread 0xfffffe009eac9740 (100914)
exclusive rm in6_ifaddr_lock (in6_ifaddr_lock) r = 0 (0xffffffff841a69a0) locked @ /syzkaller/managers/i386/kernel/sys/netinet6/in6.c:1403
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
pf_rule 842 1467K 888
kobj 326 1304K 483
newblk 9 1026K 5982
vfscache 3 1025K 3
pcb 428 987K 8120
inodedep 22 520K 5391
ufs_quota 1 512K 1
vfs_hash 1 512K 1
callout 2 512K 2
intr 4 472K 4
subproc 150 292K 6410
vmem 3 274K 5
sctp_stro 200 200K 1425
acpica 1674 184K 55237
vnet_data 1 168K 1
sctp_atcl 400 150K 5000
tidhash 3 141K 3
linker 355 140K 383
pagedep 9 130K 5314
tfo_ccache 1 128K 1
DEVFS1 108 108K 128
sem 4 106K 4
filedesc 14 105K 10626
bus 986 80K 3474
mtx_pool 2 72K 2
BPF 38 71K 49
syncache 1 68K 1
acpitask 1 64K 1
ddb_capture 1 64K 1
module 509 64K 509
umtx 374 47K 374
kdtrace 228 45K 12349
temp 34 33K 4113
hostcache 1 32K 1
shm 1 32K 2
DEVFS3 127 32K 138
msg 4 30K 4
gtaskqueue 18 26K 18
sctp_atky 600 25K 6685
kbdmux 6 22K 6
DEVFS_RULE 56 20K 56
ifaddr 69 20K 83
routetbl 203 19K 756
ufs_mount 4 17K 5
proc 3 17K 3
tty 16 16K 16
ithread 99 16K 99
bus-sc 34 15K 1691
sctp_timw 56 14K 56
KTRACE 100 13K 100
ifnet 7 13K 8
lltable 39 12K 60
kenv 95 12K 95
eventhandler 133 12K 133
ether_multi 129 11K 195
CAM queue 5 11K 1528
GEOM 61 10K 487
rman 84 10K 425
bmsafemap 3 9K 5359
UART 12 9K 12
devstat 4 9K 4
ksem 1 8K 6
rpc 2 8K 2
shmfd 1 8K 1
pfs_vncache 1 8K 1
in6_multi 61 8K 81
pfs_nodes 20 8K 20
audit_evclass 237 8K 295
taskqueue 63 7K 63
kqueue 67 7K 6333
sctp_athm 400 7K 5032
sctp_map 400 7K 2850
cred 25 7K 741
sglist 5 7K 5
CAM DEV 3 6K 510
plimit 23 6K 424
ufs_dirhash 24 5K 24
UMA 270 5K 270
DEVFSP 69 5K 529
pf_ifnet 10 5K 24
vt 11 5K 11
memdesc 1 4K 1
MCA 32 4K 32
session 32 4K 50
evdev 4 4K 4
pwddesc 64 4K 6325
acpisem 28 4K 28
kcovinfo 55 4K 85
hhook 15 4K 17
lockf 30 4K 55
dirrem 12 3K 5306
proc-args 52 3K 703
selfd 45 3K 91642
terminal 11 3K 11
uidinfo 3 3K 8
local_apic 1 2K 1
io_apic 1 2K 1
fpukern_ctx 2 2K 2
ipsec-saq 2 2K 2
select 16 2K 79
Unitno 29 2K 53
ip6ndp 11 2K 17
CAM XPT 22 2K 543
sctp_ifa 12 2K 17
ipsecpolicy 2 2K 2
in_multi 5 2K 9
acpidev 20 2K 20
msi 9 2K 9
clone 9 2K 9
tun 7 2K 8
freework 5 2K 5307
softdep 1 1K 1
freefile 8 1K 5299
freeblks 4 1K 5306
sahead 1 1K 1
secasvar 1 1K 1
nhops 6 1K 8
vnodemarker 2 1K 34
NFSD session 1 1K 1
CAM periph 4 1K 271
ipsec 3 1K 3
mld 6 1K 7
igmp 6 1K 7
toponodes 6 1K 6
isadev 6 1K 6
mount 16 1K 89
pci_link 10 1K 10
sctp_ifn 5 1K 17
mkdir 5 1K 10588
crypto 4 1K 4
encap_export_host 12 1K 12
inpcbpolicy 17 1K 2326
pfil 4 1K 4
procdesc 4 1K 18
cdev 2 1K 2
osd 9 1K 1277
newdirblk 3 1K 5294
diradd 3 1K 5341
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
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
tcp_fsb 1 1K 685
nexusdev 8 1K 8
apmdev 1 1K 1
atkbddev 2 1K 2
CAM dev queue 2 1K 2
xform 2 1K 502
CAM I/O Scheduler 1 1K 1
CAM path 4 1K 1034
soname 5 1K 9954
pmchooks 1 1K 1
sctp_vrf 1 1K 1
vnet 1 1K 1
entropy 2 1K 43
acpiintr 1 1K 1
pmc 1 1K 1
filecaps 4 1K 112
cpus 2 1K 2
vnet_data_free 1 1K 1
Per-cpu 1 1K 1
p1003.1b 1 1K 1
dctcp data 0 0K 0
pf_table 0 0K 29
pf_altq 0 0K 0
pf_osfp 0 0K 0
pf_temp 0 0K 0
mqdata 0 0K 0
cdg data 0 0K 0
cubic data 0 0K 0
sctp_mcore 0 0K 0
sctp_socko 0 0K 1828
sctp_iter 0 0K 16
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 16
sctp_aadr 0 0K 0
sctp_stri 0 0K 64
vegas data 0 0K 0
chd data 0 0K 0
tcp_do 0 0K 0
htcp data 0 0K 0
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 4596
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 15
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
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 5475
namei_tracker 0 0K 0
export_host 0 0K 0
cl_savebuf 0 0K 2
twe_commands 0 0K 0
twa_commands 0 0K 0
tcp_log_dev 0 0K 659
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 406
acl 0 0K 0
osti_cacheable 0 0K 0
mbuf_tag 0 0K 165
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 20790
ioctlops 0 0K 1177
eventfd 0 0K 4
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 873
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 980 943182 0 254 38092800 0
pbuf 2624 0 973 0 0 2 2553152 0
mbuf 256 8877 693 1499440 0 254 2449920 0
tcp_log 416 166 5081 60720 0 254 2182752 0
BUF TRIE 144 197 11563 786 0 62 1693440 0
RADIX NODE 144 11050 257 187616 0 62 1628208 0
malloc-384 384 4151 9 4151 0 30 1597440 0
malloc-2048 2048 729 5 871 0 8 1503232 0
malloc-128 128 11637 19 15131 0 126 1491968 0
malloc-4096 4096 344 4 1136 0 2 1425408 0
UMA Slabs 0 112 11018 31 11018 0 126 1237488 0
mbuf_cluster 2048 585 1 585 0 254 1200128 0
vmem btag 56 18063 128 18063 0 254 1018696 0
FFS inode 1160 515 24 5814 0 8 625240 0
malloc-65536 65536 6 2 14 0 1 524288 0
sctp_asoc 2288 200 20 1425 0 254 503360 0
malloc-384 384 41 1179 5410 0 30 468480 0
malloc-2048 2048 203 19 3546 0 8 454656 0
256 Bucket 2048 181 19 18060 0 8 409600 0
lkpimm 168 1 2327 1 0 62 391104 0
lkpicurr 168 2 2326 2 0 62 391104 0
VM OBJECT 264 1251 129 91148 0 30 364320 0
malloc-256 256 206 1189 5830 0 62 357120 0
THREAD 1808 162 25 6023 0 8 338096 0
malloc-256 256 9 1281 10578 0 62 330240 0
malloc-4096 4096 68 9 12737 0 2 315392 0
ertt_txseginfo 40 0 7777 43627 0 254 311080 0
sctp_ep 1272 200 31 3543 0 254 293832 0
VNODE 448 553 68 5855 0 30 278208 0
malloc-64 64 4006 152 16887 0 254 266112 0
malloc-16384 16384 9 7 5313 0 1 262144 0
malloc-128 128 738 1215 7669 0 126 249984 0
malloc-16 16 14570 430 19824 0 254 240000 0
malloc-1024 1024 210 18 1943 0 16 233472 0
DEVCTL 1024 8 212 172 0 0 225280 0
tcp_bbr_map 128 0 1705 7661 0 126 218240 0
malloc-65536 65536 1 2 137 0 1 196608 0
MAP ENTRY 96 1559 457 334641 0 126 193536 0
UMA Zones 768 242 2 242 0 16 187392 0
malloc-32 32 5613 183 9607 0 254 185472 0
socket 960 38 146 7360 0 254 176640 0
malloc-384 384 402 48 5002 0 30 172800 0
FPU_save_area 832 164 43 11407 0 16 172224 0
sctp_raddr 736 200 31 1585 0 254 170016 0
malloc-128 128 1272 30 26869 0 126 166656 0
mbuf_packet 256 63 522 7181 0 254 149760 0
malloc-1024 1024 135 5 159 0 16 143360 0
S VFS Cache 104 1012 353 7621 0 126 141960 0
FFS2 dinode 256 515 25 5814 0 62 138240 0
malloc-65536 65536 0 2 6 0 1 131072 0
malloc-65536 65536 0 2 204 0 1 131072 0
malloc-65536 65536 2 0 2 0 1 131072 0
VMSPACE 2544 38 13 6305 0 4 129744 0
ksiginfo 112 69 975 5488 0 126 116928 0
PROC 1336 64 20 6324 0 8 112224 0
128 Bucket 1024 70 29 1296 0 16 101376 0
filedesc0 1072 65 26 6325 0 8 97552 0
malloc-256 256 231 129 18371 0 62 92160 0
pcpu-8 8 10500 764 11620 0 254 90112 0
UMA Kegs 384 227 6 227 0 30 89472 0
malloc-256 256 290 40 9610 0 62 84480 0
clpbuf 2624 0 32 23 0 16 83968 0
malloc-128 128 510 110 11453 0 126 79360 0
64 Bucket 512 109 35 6676 0 30 73728 0
g_bio 408 0 180 6316 0 30 73440 0
malloc-32768 32768 2 0 2 0 1 65536 0
malloc-32768 32768 0 2 130 0 1 65536 0
malloc-16384 16384 3 1 18 0 1 65536 0
tcp_inpcb 496 5 123 1266 0 254 63488 0
malloc-4096 4096 12 3 16 0 2 61440 0
malloc-384 384 138 12 180 0 30 57600 0
malloc-64 64 411 471 92572 0 254 56448 0
32 Bucket 256 96 114 11907 0 62 53760 0
tcpcb 1096 5 44 1266 0 254 53704 0
malloc-4096 4096 12 1 23 0 2 53248 0
malloc-128 128 301 102 11621 0 126 51584 0
malloc-8192 8192 4 2 32 0 1 49152 0
malloc-8192 8192 4 2 6 0 1 49152 0
malloc-2048 2048 3 21 510 0 8 49152 0
malloc-64 64 618 138 17955 0 254 48384 0
malloc-2048 2048 0 22 573 0 8 45056 0
DIRHASH 1024 34 6 34 0 16 40960 0
malloc-8192 8192 5 0 5 0 1 40960 0
malloc-8192 8192 5 0 5 0 1 40960 0
NAMEI 1024 0 36 40392 0 16 36864 0
malloc-64 64 208 359 2992 0 254 36288 0
Files 80 208 242 22244 0 126 36000 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 17 0 8 32768 0
pcpu-64 64 487 25 487 0 254 32768 0
malloc-64 64 444 60 634 0 254 32256 0
udplite_inpcb 496 1 63 802 0 254 31744 0
malloc-256 256 63 57 381 0 62 30720 0
tcp_rack_pcb 832 1 35 685 0 16 29952 0
TURNSTILE 136 188 22 188 0 62 28560 0
KNOTE 160 22 153 79249 0 62 28000 0
da_ccb 544 0 49 1699 0 16 26656 0
malloc-8192 8192 3 0 3 0 1 24576 0
malloc-4096 4096 2 4 13 0 2 24576 0
malloc-1024 1024 2 22 41 0 16 24576 0
PWD 32 18 738 5386 0 254 24192 0
malloc-32 32 411 345 5717 0 254 24192 0
ttyinq 160 135 15 300 0 62 24000 0
8 Bucket 80 47 253 2680 0 126 24000 0
ttyoutq 256 72 18 160 0 62 23040 0
malloc-256 256 78 12 190 0 62 23040 0
tcp_bbr_pcb 832 0 27 281 0 16 22464 0
pipe 744 19 11 414 0 16 22320 0
malloc-2048 2048 8 2 134 0 8 20480 0
SLEEPQUEUE 88 188 36 188 0 126 19712 0
Mountpoints 2752 2 5 2 0 4 19264 0
malloc-256 256 53 22 988 0 62 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 1 1 102 0 1 16384 0
malloc-8192 8192 2 0 2 0 1 16384 0
malloc-1024 1024 5 11 1267 0 16 16384 0
malloc-1024 1024 10 6 169 0 16 16384 0
malloc-512 512 2 30 119 0 30 16384 0
sctp_stream_msg_out 112 110 34 212 0 254 16128 0
16 Bucket 144 56 56 442 0 62 16128 0
vtnet_tx_hdr 24 0 668 473420 0 254 16032 0
sctp_chunk 152 95 9 255 0 254 15808 0
malloc-384 384 18 22 780 0 30 15360 0
malloc-384 384 23 17 32 0 30 15360 0
malloc-256 256 20 40 5847 0 62 15360 0
malloc-2048 2048 2 4 43 0 8 12288 0
malloc-2048 2048 2 4 193 0 8 12288 0
tcp_rack_map 112 2 106 1332 0 126 12096 0
malloc-64 64 105 84 7145 0 254 12096 0
malloc-32 32 189 189 1527 0 254 12096 0
malloc-32 32 125 253 5537 0 254 12096 0
malloc-16 16 455 295 3379 0 254 12000 0
malloc-16 16 416 334 5085 0 254 12000 0
udp_inpcb 496 7 17 231 0 254 11904 0
malloc-128 128 58 35 93 0 126 11904 0
kenv 258 15 30 1042 0 30 11610 0
routing nhops 256 23 22 39 0 62 11520 0
unpcb 256 17 28 1450 0 254 11520 0
malloc-8192 8192 1 0 1 0 1 8192 0
malloc-4096 4096 0 2 4 0 2 8192 0
malloc-4096 4096 1 1 4 0 2 8192 0
malloc-1024 1024 4 4 31 0 16 8192 0
malloc-512 512 2 14 63 0 30 8192 0
malloc-512 512 9 7 9 0 30 8192 0
malloc-512 512 10 6 73 0 30 8192 0
malloc-512 512 0 16 64 0 30 8192 0
rtentry 176 27 19 39 0 62 8096 0
PGRP 88 32 60 52 0 126 8096 0
rl_entry 40 53 149 53 0 254 8080 0
sctp_laddr 48 0 168 1131 0 254 8064 0
udpcb 32 8 244 1033 0 254 8064 0
AIOP 32 4 248 4 0 254 8064 0
ertt 72 5 107 1266 0 126 8064 0
malloc-64 64 68 58 113 0 254 8064 0
malloc-64 64 38 88 49 0 254 8064 0
malloc-32 32 41 211 79 0 254 8064 0
malloc-32 32 34 218 746 0 254 8064 0
malloc-32 32 38 214 2757 0 254 8064 0
4 Bucket 48 8 160 176 0 254 8064 0
2 Bucket 32 56 196 1149 0 254 8064 0
malloc-16 16 20 480 2926 0 254 8000 0
malloc-16 16 288 212 518 0 254 8000 0
malloc-16 16 194 306 1419 0 254 8000 0
malloc-16 16 24 476 28529 0 254 8000 0
ripcb 496 4 12 27 0 254 7936 0
malloc-128 128 24 38 125 0 126 7936 0
malloc-128 128 2 60 24 0 126 7936 0
AIO 208 0 38 202 0 62 7904 0
AIOCB 552 0 14 193 0 16 7728 0
malloc-384 384 11 9 11 0 30 7680 0
malloc-384 384 1 19 341 0 30 7680 0
AIOLIO 272 0 28 203 0 30 7616 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
pf tags 104 2 37 2 0 126 4056 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
sctp_readq 152 0 26 45 0 254 3952 0
UMA Slabs 1 176 21 1 21 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
sctp_asconf_ack 48 0 0 0 0 254 0 0
sctp_asconf 40 0 0 0 0 254 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 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 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
tcptw 88 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
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 592 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
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 0
mdpbuf 2624 0 0 0 0 3 0 0
nfspbuf 2624 0 0 0 0 16 0 0
swwbuf 2624 0
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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syzbot
Jan 1, 2022, 9:10:15 PM1/1/22
to syzkaller-f...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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