Fatal trap 9: general protection fault in ck_epoch_poll_deferred
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syzbot
Dec 15, 2019, 8:19:09 PM12/15/19
to syzkaller-f...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 902c2ec0 r355677 requires that vop_stdioctl() be global so..
git tree: freebsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1695503ae00000
dashboard link: https://syzkaller.appspot.com/bug?extid=f7be64ddae85fa4ce0f6
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+f7be64...@syzkaller.appspotmail.com
Fatal trap 9: general protection fault while in kernel mode
cpuid = 1; apic id = 01
instruction pointer = 0x20:0xffffffff803edb10
stack pointer = 0x28:0xfffffe001a145a30
frame pointer = 0x28:0xfffffe001a145a80
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 0 (softirq_1)
trap number = 9
panic: general protection fault
cpuid = 1
time = 1576459072
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame
0xfffffe001a1456d0
vpanic() at vpanic+0x1c7/frame 0xfffffe001a145740
panic() at panic+0x43/frame 0xfffffe001a1457a0
trap_fatal() at trap_fatal+0x4cc/frame 0xfffffe001a145820
trap() at trap+0xe1/frame 0xfffffe001a145960
calltrap() at calltrap+0x8/frame 0xfffffe001a145960
--- trap 0x9, rip = 0xffffffff803edb10, rsp = 0xfffffe001a145a30, rbp =
0xfffffe001a145a80 ---
ck_epoch_poll_deferred() at ck_epoch_poll_deferred+0x270/frame
0xfffffe001a145a80
epoch_call_task() at epoch_call_task+0x131/frame 0xfffffe001a145b00
gtaskqueue_run_locked() at gtaskqueue_run_locked+0x160/frame
0xfffffe001a145b60
gtaskqueue_thread_loop() at gtaskqueue_thread_loop+0xd8/frame
0xfffffe001a145ba0
fork_exit() at fork_exit+0xac/frame 0xfffffe001a145bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe001a145bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 0 tid 100014 ]
Stopped at kdb_enter+0x67: movq $0,0x145f116(%rip)
db>
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs 0x20
ds 0x3b ll+0x1a
es 0x3b ll+0x1a
fs 0x13
gs 0x1b
ss 0x28 ll+0x7
rax 0x12
rcx 0xffffffff810c19b9 vprintf+0xa9
rdx 0
rbx 0
rsp 0xfffffe001a1456b0
rbp 0xfffffe001a1456d0
rsi 0
rdi 0xffffffff810c19f1 vprintf+0xe1
r8 0
r9 0xffffffff
r10 0x1c6 ll+0x1a5
r11 0
r12 0xffffffff82068d70 ddb_dbbe
r13 0
r14 0xffffffff81936155
r15 0xffffffff81936155
rip 0xffffffff810b6c77 kdb_enter+0x67
rflags 0x82 ll+0x61
kdb_enter+0x67: movq $0,0x145f116(%rip)
db> show proc
Process 0 (kernel) at 0xffffffff82609878:
state: NORMAL
uid: 0 gids: 0
ABI: null
reaper: 0xffffffff82609878 reapsubtree: 0
sigparent: 0
vmspace: 0xffffffff8261ba90
(map 0xffffffff8261ba90)
(map.pmap 0xffffffff8261bb50)
(pmap 0xffffffff8261bbb0)
threads: 24
100000 D swapin 0xffffffff82609878 [swapper]
100005 D - 0xfffff800031cad00 [thread taskq]
100007 D in_mult 0xffffffff82661ff0 [config_0]
100008 D - 0xfffff800031caa00 [kqueue_ctx
taskq]
100009 D - 0xfffff800031ca900 [aiod_kick
taskq]
100012 D - 0xfffff800031ca600
[if_config_tqg_0]
100013 D - 0xfffff800031ca500 [softirq_0]
100014 Run CPU 1 [softirq_1]
100015 D - 0xfffff800031ca300 [if_io_tqg_0]
100016 D - 0xfffff800031ca200 [if_io_tqg_1]
100021 D - 0xfffff800031ca000 [firmware
taskq]
100026 D - 0xfffff800031c9d00 [crypto_0]
100027 D - 0xfffff800031c9d00 [crypto_1]
100041 D - 0xfffff800031c7100 [vtnet0 rxq 0]
100042 D - 0xfffff800031c7000 [vtnet0 txq 0]
100043 D - 0xfffff8000377d100 [vtnet0 rxq 1]
100044 D - 0xfffff8000377d000 [vtnet0 txq 1]
100046 D vtbslp 0xfffff8000354d800
[virtio_balloon]
100050 D - 0xfffff8000377a300 [mca taskq]
100053 D - 0xffffffff824fd710 [deadlkres]
100058 D - 0xfffff80003aa0200 [acpi_task_0]
100059 D - 0xfffff80003aa0200 [acpi_task_1]
100060 D - 0xfffff80003aa0200 [acpi_task_2]
100061 D - 0xfffff800031c9a00 [CAM taskq]
db> ps
pid ppid pgrp uid state wmesg wchan cmd
5057 796 796 0 R (threaded) syz-executor.2
100496 RunQ syz-executor.2
101078 S uwait 0xfffff8003d162600 syz-executor.2
100120 RunQ syz-executor.2
101063 S uwait 0xfffff800039cda00 syz-executor.2
5056 808 808 0 R (threaded) syz-executor.1
100622 RunQ syz-executor.1
101072 S sbwait 0xfffff80003e4355c syz-executor.1
101088 S sbwait 0xfffff80003dd48e4 syz-executor.1
5055 784 784 0 R (threaded) syz-executor.0
100083 RunQ syz-executor.0
101076 S sbwait 0xfffff80003e388e4 syz-executor.0
101086 S sbwait 0xfffff80003ddf8e4 syz-executor.0
101087 S uwait 0xfffff800039cea80 syz-executor.0
3356 1 3356 65 Rs dhclient
2699 1 2699 0 Ss select 0xfffff800039ea840 dhclient
2695 1 2695 0 Ss select 0xfffff80003548b40 dhclient
2673 1 2673 65 Ss select 0xfffff80003532b40 dhclient
2056 1 2056 0 Ss select 0xfffff800039ebcc0 dhclient
2053 1 2053 0 Ss select 0xfffff800039ea7c0 dhclient
2033 1 2033 65 Rs dhclient
1378 1 1378 0 Ss select 0xfffff800039ea4c0 dhclient
1375 1 1375 0 Ss select 0xfffff8000352ae40 dhclient
808 766 808 0 Rs syz-executor.1
796 766 796 0 Rs syz-executor.2
784 766 784 0 Rs syz-executor.0
775 766 775 0 REs syz-executor.3
766 764 764 0 RE CPU 0 syz-fuzzer
764 762 764 0 SWs pause 0xfffff800124f1b08 csh
762 680 762 0 Ss select 0xfffff800039ea740 sshd
746 1 746 0 Rs+ getty
745 1 745 0 Ss+ ttyin 0xfffff80003aa48b0 getty
744 1 744 0 Ss+ ttyin 0xfffff80003aa4cb0 getty
743 1 743 0 Ss+ ttyin 0xfffff80003aa70b0 getty
742 1 742 0 Ss+ ttyin 0xfffff80003aa74b0 getty
741 1 741 0 Ss+ ttyin 0xfffff80003aa78b0 getty
740 1 740 0 Ss+ ttyin 0xfffff80003aa7cb0 getty
739 1 739 0 Ss+ ttyin 0xfffff80003aa60b0 getty
738 1 738 0 Ss+ ttyin 0xfffff80003aa64b0 getty
684 1 684 0 SWs nanslp 0xffffffff824fe990 cron
680 1 680 0 Ss select 0xfffff800039ea640 sshd
493 1 493 0 Ss select 0xfffff80003531440 syslogd
422 1 422 0 Ss select 0xfffff800035314c0 devd
421 1 421 65 Ss select 0xfffff80003531540 dhclient
336 1 336 0 Ss select 0xfffff800039ea6c0 dhclient
333 1 333 0 Ss select 0xfffff80003531640 dhclient
21 0 0 0 DL syncer 0xffffffff825d4e60 [syncer]
20 0 0 0 DL vlruwt 0xfffff80003a6c000 [vnlru]
19 0 0 0 DL (threaded) [bufdaemon]
100065 D qsleep 0xffffffff825d4318 [bufdaemon]
100066 D - 0xffffffff8200a980
[bufspacedaemon-0]
100079 D sdflush 0xfffff800037626e8 [/ worker]
18 0 0 0 DL psleep 0xffffffff825efd08 [vmdaemon]
17 0 0 0 LL (threaded) [pagedaemon]
100063 L *vm obje 0xfffff800039ca840 [dom0]
100069 L *pmap 0xfffff80003c51a80 [laundry: dom0]
100070 D umarcls 0xffffffff824fd711 [uma]
16 0 0 0 DL - 0xffffffff82359518 [rand_harvestq]
15 0 0 0 DL waiting 0xffffffff82662220 [sctp_iterator]
9 0 0 0 DL - 0xffffffff825d3d1c [soaiod4]
8 0 0 0 DL - 0xffffffff825d3d1c [soaiod3]
7 0 0 0 RL [soaiod2]
6 0 0 0 DL - 0xffffffff825d3d1c [soaiod1]
5 0 0 0 DL (threaded) [cam]
100031 D - 0xffffffff822348c0 [doneq0]
100062 D - 0xffffffff82234788 [scanner]
4 0 0 0 DL crypto_ 0xfffff800033b4090 [crypto
returns 1]
3 0 0 0 DL crypto_ 0xfffff800033b4030 [crypto
returns 0]
2 0 0 0 DL crypto_ 0xffffffff825e9de8 [crypto]
14 0 0 0 DL seqstat 0xfffff80003323c88 [sequencer 00]
13 0 0 0 DL (threaded) [geom]
100022 D - 0xffffffff8261b288 [g_event]
100023 D - 0xffffffff8261b298 [g_up]
100024 D - 0xffffffff8261b290 [g_down]
12 0 0 0 WL (threaded) [intr]
100006 I [swi5: fast
taskq]
100010 I [swi6: task
queue]
100011 I [swi6: Giant
taskq]
100017 I [swi4: clock
(0)]
100018 I [swi4: clock
(1)]
100019 I [swi3: vm]
100020 I [swi1: netisr
0]
100032 I [irq24:
virtio_pci0]
100033 I [irq25:
virtio_pci0]
100034 I [irq26:
virtio_pci0]
100035 I [irq27:
virtio_pci0]
100036 I [irq28:
virtio_pci1]
100037 I [irq29:
virtio_pci1]
100038 I [irq30:
virtio_pci1]
100039 I [irq31:
virtio_pci1]
100040 I [irq32:
virtio_pci1]
100045 I [irq10:
virtio_pci2]
100047 I [irq1: atkbd0]
100048 I [irq12: psm0]
100049 I [swi0: uart
uart++]
11 0 0 0 RL (threaded) [idle]
100003 CanRun [idle: cpu0]
100004 CanRun [idle: cpu1]
1 0 1 0 SLs wait 0xfffff800032b7530 [init]
10 0 0 0 DL audit_w 0xffffffff82662eb0 [audit]
0 0 0 0 RLs (threaded) [kernel]
100000 D swapin 0xffffffff82609878 [swapper]
100005 D - 0xfffff800031cad00 [thread taskq]
100007 D in_mult 0xffffffff82661ff0 [config_0]
100008 D - 0xfffff800031caa00 [kqueue_ctx
taskq]
100009 D - 0xfffff800031ca900 [aiod_kick
taskq]
100012 D - 0xfffff800031ca600
[if_config_tqg_0]
100013 D - 0xfffff800031ca500 [softirq_0]
100014 Run CPU 1 [softirq_1]
100015 D - 0xfffff800031ca300 [if_io_tqg_0]
100016 D - 0xfffff800031ca200 [if_io_tqg_1]
100021 D - 0xfffff800031ca000 [firmware
taskq]
100026 D - 0xfffff800031c9d00 [crypto_0]
100027 D - 0xfffff800031c9d00 [crypto_1]
100041 D - 0xfffff800031c7100 [vtnet0 rxq 0]
100042 D - 0xfffff800031c7000 [vtnet0 txq 0]
100043 D - 0xfffff8000377d100 [vtnet0 rxq 1]
100044 D - 0xfffff8000377d000 [vtnet0 txq 1]
100046 D vtbslp 0xfffff8000354d800
[virtio_balloon]
100050 D - 0xfffff8000377a300 [mca taskq]
100053 D - 0xffffffff824fd710 [deadlkres]
100058 D - 0xfffff80003aa0200 [acpi_task_0]
100059 D - 0xfffff80003aa0200 [acpi_task_1]
100060 D - 0xfffff80003aa0200 [acpi_task_2]
100061 D - 0xfffff800031c9a00 [CAM taskq]
db> show all locks
Process 5055 (syz-executor.0) thread 0xfffff80003adb000 (100083)
exclusive sleep mutex umtxql (umtxql) r = 0 (0xffffffff8250c1c0) locked @
/syzkaller/managers/main/kernel/sys/kern/kern_umtx.c:507
Process 775 (syz-executor.3) thread 0xfffff8001240d6e0 (100087)
exclusive sleep mutex if_addr_lock (if_addr_lock) r = 0
(0xfffff80003a171a8) locked @
/syzkaller/managers/main/kernel/sys/netinet/in_mcast.c:1350
exclusive sleep mutex in_multi_list_mtx (in_multi_list_mtx) r = 0
(0xffffffff82661df8) locked @
/syzkaller/managers/main/kernel/sys/netinet/in_mcast.c:1343
exclusive sx in_multi_sx (in_multi_sx) r = 0 (0xffffffff82661ff0) locked @
/syzkaller/managers/main/kernel/sys/netinet/in_mcast.c:1290
exclusive sx in_control (in_control) r = 0 (0xffffffff825d6e18) locked @
/syzkaller/managers/main/kernel/sys/netinet/in.c:243
Process 766 (syz-fuzzer) thread 0xfffff80012668000 (100099)
exclusive rw pmap pv list (pmap pv list) r = 0 (0xfffffe0003605d80) locked
@ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:7289
exclusive sleep mutex pmap (pmap) r = 0 (0xfffff80003d80120) locked @
/syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:7209
Process 17 (pagedaemon) thread 0xfffff80003c4e000 (100069)
exclusive rw vm object (vm object) r = 0 (0xfffff8001c4a0d68) locked @
/syzkaller/managers/main/kernel/sys/vm/vm_pageout.c:795
exclusive sleep mutex vm page (vm page) r = 0 (0xffffffff82047b00) locked @
/syzkaller/managers/main/kernel/sys/vm/vm_page.c:1196
db> show malloc
Type InUse MemUse Requests
devbuf 4214 4851K 4242
vtbuf 24 1968K 46
callout 3 1672K 3
kobj 333 1332K 489
sysctloid 22990 1328K 23054
newblk 9 1026K 5923
vfscache 4 1025K 4
inodedep 89 556K 4368
pcb 24 537K 907
ufs_quota 1 512K 1
vfs_hash 1 512K 1
intr 4 388K 4
subproc 139 269K 5143
acpica 1674 185K 50040
vnet_data 1 168K 1
filedesc 19 133K 8360
pagedep 10 131K 4198
tfo_ccache 1 128K 1
sem 4 106K 4
DEVFS1 105 105K 122
linker 221 89K 252
bus 966 78K 3325
mtx_pool 2 72K 2
BPF 38 71K 46
syncache 1 68K 1
acpitask 1 64K 1
ddb_capture 1 64K 1
module 495 62K 495
umtx 332 42K 332
gtaskqueue 22 34K 22
kdtrace 172 33K 22534
hostcache 1 32K 1
shm 1 32K 6
DEVFS3 124 31K 134
msg 4 30K 4
DEVFS_RULE 56 27K 56
ifaddr 75 26K 76
kbdmux 6 22K 6
vmem 3 19K 4
temp 34 17K 4246
ufs_mount 3 17K 4
proc 3 17K 3
tty 16 16K 16
tidhash 1 16K 1
lltable 41 15K 51
ithread 89 15K 89
ether_multi 164 14K 177
KTRACE 100 13K 100
ifnet 7 13K 7
cred 47 12K 283
kenv 95 12K 99
eventhandler 122 11K 122
pfs_nodes 20 10K 20
dirrem 78 10K 4284
freefile 78 10K 4273
GEOM 60 10K 487
rman 82 10K 423
in6_multi 77 10K 89
bmsafemap 2 9K 4364
select 66 9K 66
devstat 4 9K 4
UART 12 9K 12
rpc 2 8K 2
sctp_timw 32 8K 32
shmfd 1 8K 1
pfs_vncache 1 8K 1
audit_evclass 231 8K 289
routetbl 51 7K 63
CAM DEV 3 6K 508
plimit 23 6K 441
vt 11 6K 11
sglist 5 6K 5
CAM queue 5 6K 1522
taskqueue 42 5K 42
DEVFSP 67 5K 82
memdesc 1 4K 1
MCA 32 4K 32
ufs_dirhash 8 4K 24
session 32 4K 48
pgrp 32 4K 48
evdev 4 4K 4
UMA 233 4K 233
kqueue 57 4K 5065
kcovinfo 55 4K 68
lockf 30 4K 69
hhook 13 4K 13
acpisem 22 3K 22
terminal 11 3K 11
proc-args 49 3K 636
uidinfo 5 3K 7
local_apic 1 2K 1
io_apic 1 2K 1
ipsec-saq 2 2K 2
ip6ndp 12 2K 21
sctp_ifa 14 2K 17
Unitno 31 2K 22707
CAM XPT 22 2K 541
in_multi 6 2K 7
freework 6 2K 4674
acpidev 20 2K 20
freeblks 5 2K 4252
crypto 2 2K 2
msi 9 2K 9
tun 7 2K 7
ipsecpolicy 1 1K 1
sahead 1 1K 1
secasvar 1 1K 1
clone 8 1K 8
NFSD session 1 1K 1
mkdir 7 1K 8344
CAM periph 4 1K 270
mld 6 1K 6
igmp 6 1K 6
toponodes 6 1K 6
isadev 6 1K 6
mount 16 1K 86
pci_link 10 1K 10
inpcbpolicy 20 1K 17533
sctp_ifn 5 1K 6
CAM SIM 2 1K 2
softdep 1 1K 1
diradd 4 1K 4323
chacha20random 1 1K 1
epoch 4 1K 4
cdev 2 1K 2
encap_export_host 8 1K 8
pfil 3 1K 3
osd 3 1K 9
newdirblk 4 1K 4172
vnodes 1 1K 1
NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
DEVFS 9 1K 10
feeder 7 1K 7
loginclass 3 1K 3
CAM path 4 1K 1030
apmdev 1 1K 1
atkbddev 2 1K 2
pmchooks 1 1K 1
prison 4 1K 4
CAM dev queue 2 1K 2
CAM I/O Scheduler 1 1K 1
soname 4 1K 6361
nexusdev 5 1K 5
entropy 2 1K 42
tcpfunc 1 1K 1
sctp_vrf 1 1K 1
vnet 1 1K 1
acpiintr 1 1K 1
pmc 1 1K 1
filecaps 4 1K 98
cpus 2 1K 2
vnet_data_free 1 1K 1
Per-cpu 1 1K 1
p1003.1b 1 1K 1
CAM CCB 0 0K 5212
madt_table 0 0K 2
PUC 0 0K 0
ppbusdev 0 0K 0
agtiapi_MemAlloc malloc 0 0K 0
osti_cacheable 0 0K 0
tempbuff 0 0K 0
tempbuff 0 0K 0
pvscsi 0 0K 0
smartpqi 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
iavf 0 0K 0
ixl 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
fpukern_ctx 0 0K 0
xen_intr 0 0K 0
CAM ccb queue 0 0K 0
xen_hvm 0 0K 0
legacydrv 0 0K 0
qpidrv 0 0K 0
mrsasbuf 0 0K 0
mpt_user 0 0K 0
dmar_idpgtbl 0 0K 0
dmar_dom 0 0K 0
dmar_ctx 0 0K 0
dmar_dmamap 0 0K 0
mps_user 0 0K 0
MPSSAS 0 0K 0
isci 0 0K 0
bxe_ilt 0 0K 0
xenbus 0 0K 0
vm_fictitious 0 0K 0
mps 0 0K 0
mpr_user 0 0K 0
MPRSAS 0 0K 0
UMAHash 0 0K 0
vm_pgdata 0 0K 0
jblocks 0 0K 0
savedino 0 0K 3574
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 18
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 8
allocindir 0 0K 0
indirdep 0 0K 636
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
xform 0 0K 0
NLM 0 0K 0
nfsclient_nlminfo 0 0K 0
nfsclient_lock 0 0K 0
NFS FHA 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 7
ip6_msource 0 0K 0
ip6_moptions 0 0K 0
in6_mfilter 0 0K 0
frag6 0 0K 0
tcplog 0 0K 0
LRO 0 0K 0
sctp_mcore 0 0K 0
sctp_socko 0 0K 323
sctp_iter 0 0K 12
sctp_mvrf 0 0K 0
sctp_cpal 0 0K 0
sctp_cmsg 0 0K 0
sctp_stre 0 0K 0
sctp_athi 0 0K 0
sctp_athm 0 0K 663
sctp_atky 0 0K 935
sctp_atcl 0 0K 663
sctp_a_it 0 0K 12
sctp_aadr 0 0K 0
sctp_stro 0 0K 272
sctp_stri 0 0K 0
sctp_map 0 0K 544
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
vnodemarker 0 0K 42
mpr 0 0K 0
statfs 0 0K 4350
export_host 0 0K 0
cl_savebuf 0 0K 3
biobuf 0 0K 0
aios 0 0K 0
lio 0 0K 0
acl 0 0K 0
mfibuf 0 0K 0
mbuf_tag 0 0K 146
accf 0 0K 0
pts 0 0K 0
iov 0 0K 19640
ioctlops 0 0K 169
Witness 0 0K 0
stack 0 0K 0
md_sectors 0 0K 0
sbuf 0 0K 364
md_disk 0 0K 0
compressor 0 0K 0
malodev 0 0K 0
SWAP 0 0K 0
LED 0 0K 0
sysctltmp 0 0K 693
sysctl 0 0K 1
ekcd 0 0K 0
dumper 0 0K 0
rctl 0 0K 0
ix_sriov 0 0K 0
aacraidcam 0 0K 0
ix 0 0K 0
ipsbuf 0 0K 0
iirbuf 0 0K 0
cache 0 0K 0
aacraid_buf 0 0K 0
prison_racct 0 0K 0
Fail Points 0 0K 0
sigio 0 0K 3
filedesc_to_leader 0 0K 0
tty console 0 0K 0
aaccam 0 0K 0
aacbuf 0 0K 0
zstd 0 0K 0
nvlist 0 0K 0
SCSI ENC 0 0K 0
SCSI sa 0 0K 0
isofs_node 0 0K 0
isofs_mount 0 0K 0
tr_raid5_data 0 0K 0
tr_raid1e_data 0 0K 0
tr_raid1_data 0 0K 0
tr_raid0_data 0 0K 0
tr_concat_data 0 0K 0
md_sii_data 0 0K 0
md_promise_data 0 0K 0
md_nvidia_data 0 0K 0
md_jmicron_data 0 0K 0
md_intel_data 0 0K 0
md_ddf_data 0 0K 0
raid_data 0 0K 72
geom_flashmap 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 diroffdiroff 0 0K 0
NEWdirectio 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
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
NFSD srvcache 0 0K 0
msdosfs_fat 0 0K 0
msdosfs_mount 0 0K 0
msdosfs_node 0 0K 0
DEVFS4 0 0K 0
DEVFS2 0 0K 0
gntdev 0 0K 0
privcmd_dev 0 0K 0
evtchn_dev 0 0K 0
xenstore 0 0K 0
scsi_pass 0 0K 0
ciss_data 0 0K 0
xnb 0 0K 0
xbbd 0 0K 0
xbd 0 0K 0
Balloon 0 0K 0
sysmouse 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
scsi_da 0 0K 69
ata_da 0 0K 0
scsi_ch 0 0K 0
scsi_cd 0 0K 0
USBdev 0 0K 0
USB 0 0K 0
AHCI driver 0 0K 0
agp 0 0K 0
nvme_da 0 0K 0
acpipwr 0 0K 0
twsbuf 0 0K 0
twe_commands 0 0K 0
twa_commands 0 0K 0
tcp_log_dev 0 0K 0
midi buffers 0 0K 0
mixer 0 0K 0
ac97 0 0K 0
hdacc 0 0K 0
hdac 0 0K 0
hdaa 0 0K 0
acpi_perf 0 0K 0
acpicmbat 0 0K 0
SIIS driver 0 0K 0
db> show ktr
No such command; use "help" to list available commands
---
This bug 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 bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following crash on:
HEAD commit: 902c2ec0 r355677 requires that vop_stdioctl() be global so..
git tree: freebsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1695503ae00000
dashboard link: https://syzkaller.appspot.com/bug?extid=f7be64ddae85fa4ce0f6
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+f7be64...@syzkaller.appspotmail.com
Fatal trap 9: general protection fault while in kernel mode
cpuid = 1; apic id = 01
instruction pointer = 0x20:0xffffffff803edb10
stack pointer = 0x28:0xfffffe001a145a30
frame pointer = 0x28:0xfffffe001a145a80
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 0 (softirq_1)
trap number = 9
panic: general protection fault
cpuid = 1
time = 1576459072
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame
0xfffffe001a1456d0
vpanic() at vpanic+0x1c7/frame 0xfffffe001a145740
panic() at panic+0x43/frame 0xfffffe001a1457a0
trap_fatal() at trap_fatal+0x4cc/frame 0xfffffe001a145820
trap() at trap+0xe1/frame 0xfffffe001a145960
calltrap() at calltrap+0x8/frame 0xfffffe001a145960
--- trap 0x9, rip = 0xffffffff803edb10, rsp = 0xfffffe001a145a30, rbp =
0xfffffe001a145a80 ---
ck_epoch_poll_deferred() at ck_epoch_poll_deferred+0x270/frame
0xfffffe001a145a80
epoch_call_task() at epoch_call_task+0x131/frame 0xfffffe001a145b00
gtaskqueue_run_locked() at gtaskqueue_run_locked+0x160/frame
0xfffffe001a145b60
gtaskqueue_thread_loop() at gtaskqueue_thread_loop+0xd8/frame
0xfffffe001a145ba0
fork_exit() at fork_exit+0xac/frame 0xfffffe001a145bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe001a145bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 0 tid 100014 ]
Stopped at kdb_enter+0x67: movq $0,0x145f116(%rip)
db>
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs 0x20
ds 0x3b ll+0x1a
es 0x3b ll+0x1a
fs 0x13
gs 0x1b
ss 0x28 ll+0x7
rax 0x12
rcx 0xffffffff810c19b9 vprintf+0xa9
rdx 0
rbx 0
rsp 0xfffffe001a1456b0
rbp 0xfffffe001a1456d0
rsi 0
rdi 0xffffffff810c19f1 vprintf+0xe1
r8 0
r9 0xffffffff
r10 0x1c6 ll+0x1a5
r11 0
r12 0xffffffff82068d70 ddb_dbbe
r13 0
r14 0xffffffff81936155
r15 0xffffffff81936155
rip 0xffffffff810b6c77 kdb_enter+0x67
rflags 0x82 ll+0x61
kdb_enter+0x67: movq $0,0x145f116(%rip)
db> show proc
Process 0 (kernel) at 0xffffffff82609878:
state: NORMAL
uid: 0 gids: 0
ABI: null
reaper: 0xffffffff82609878 reapsubtree: 0
sigparent: 0
vmspace: 0xffffffff8261ba90
(map 0xffffffff8261ba90)
(map.pmap 0xffffffff8261bb50)
(pmap 0xffffffff8261bbb0)
threads: 24
100000 D swapin 0xffffffff82609878 [swapper]
100005 D - 0xfffff800031cad00 [thread taskq]
100007 D in_mult 0xffffffff82661ff0 [config_0]
100008 D - 0xfffff800031caa00 [kqueue_ctx
taskq]
100009 D - 0xfffff800031ca900 [aiod_kick
taskq]
100012 D - 0xfffff800031ca600
[if_config_tqg_0]
100013 D - 0xfffff800031ca500 [softirq_0]
100014 Run CPU 1 [softirq_1]
100015 D - 0xfffff800031ca300 [if_io_tqg_0]
100016 D - 0xfffff800031ca200 [if_io_tqg_1]
100021 D - 0xfffff800031ca000 [firmware
taskq]
100026 D - 0xfffff800031c9d00 [crypto_0]
100027 D - 0xfffff800031c9d00 [crypto_1]
100041 D - 0xfffff800031c7100 [vtnet0 rxq 0]
100042 D - 0xfffff800031c7000 [vtnet0 txq 0]
100043 D - 0xfffff8000377d100 [vtnet0 rxq 1]
100044 D - 0xfffff8000377d000 [vtnet0 txq 1]
100046 D vtbslp 0xfffff8000354d800
[virtio_balloon]
100050 D - 0xfffff8000377a300 [mca taskq]
100053 D - 0xffffffff824fd710 [deadlkres]
100058 D - 0xfffff80003aa0200 [acpi_task_0]
100059 D - 0xfffff80003aa0200 [acpi_task_1]
100060 D - 0xfffff80003aa0200 [acpi_task_2]
100061 D - 0xfffff800031c9a00 [CAM taskq]
db> ps
pid ppid pgrp uid state wmesg wchan cmd
5057 796 796 0 R (threaded) syz-executor.2
100496 RunQ syz-executor.2
101078 S uwait 0xfffff8003d162600 syz-executor.2
100120 RunQ syz-executor.2
101063 S uwait 0xfffff800039cda00 syz-executor.2
5056 808 808 0 R (threaded) syz-executor.1
100622 RunQ syz-executor.1
101072 S sbwait 0xfffff80003e4355c syz-executor.1
101088 S sbwait 0xfffff80003dd48e4 syz-executor.1
5055 784 784 0 R (threaded) syz-executor.0
100083 RunQ syz-executor.0
101076 S sbwait 0xfffff80003e388e4 syz-executor.0
101086 S sbwait 0xfffff80003ddf8e4 syz-executor.0
101087 S uwait 0xfffff800039cea80 syz-executor.0
3356 1 3356 65 Rs dhclient
2699 1 2699 0 Ss select 0xfffff800039ea840 dhclient
2695 1 2695 0 Ss select 0xfffff80003548b40 dhclient
2673 1 2673 65 Ss select 0xfffff80003532b40 dhclient
2056 1 2056 0 Ss select 0xfffff800039ebcc0 dhclient
2053 1 2053 0 Ss select 0xfffff800039ea7c0 dhclient
2033 1 2033 65 Rs dhclient
1378 1 1378 0 Ss select 0xfffff800039ea4c0 dhclient
1375 1 1375 0 Ss select 0xfffff8000352ae40 dhclient
808 766 808 0 Rs syz-executor.1
796 766 796 0 Rs syz-executor.2
784 766 784 0 Rs syz-executor.0
775 766 775 0 REs syz-executor.3
766 764 764 0 RE CPU 0 syz-fuzzer
764 762 764 0 SWs pause 0xfffff800124f1b08 csh
762 680 762 0 Ss select 0xfffff800039ea740 sshd
746 1 746 0 Rs+ getty
745 1 745 0 Ss+ ttyin 0xfffff80003aa48b0 getty
744 1 744 0 Ss+ ttyin 0xfffff80003aa4cb0 getty
743 1 743 0 Ss+ ttyin 0xfffff80003aa70b0 getty
742 1 742 0 Ss+ ttyin 0xfffff80003aa74b0 getty
741 1 741 0 Ss+ ttyin 0xfffff80003aa78b0 getty
740 1 740 0 Ss+ ttyin 0xfffff80003aa7cb0 getty
739 1 739 0 Ss+ ttyin 0xfffff80003aa60b0 getty
738 1 738 0 Ss+ ttyin 0xfffff80003aa64b0 getty
684 1 684 0 SWs nanslp 0xffffffff824fe990 cron
680 1 680 0 Ss select 0xfffff800039ea640 sshd
493 1 493 0 Ss select 0xfffff80003531440 syslogd
422 1 422 0 Ss select 0xfffff800035314c0 devd
421 1 421 65 Ss select 0xfffff80003531540 dhclient
336 1 336 0 Ss select 0xfffff800039ea6c0 dhclient
333 1 333 0 Ss select 0xfffff80003531640 dhclient
21 0 0 0 DL syncer 0xffffffff825d4e60 [syncer]
20 0 0 0 DL vlruwt 0xfffff80003a6c000 [vnlru]
19 0 0 0 DL (threaded) [bufdaemon]
100065 D qsleep 0xffffffff825d4318 [bufdaemon]
100066 D - 0xffffffff8200a980
[bufspacedaemon-0]
100079 D sdflush 0xfffff800037626e8 [/ worker]
18 0 0 0 DL psleep 0xffffffff825efd08 [vmdaemon]
17 0 0 0 LL (threaded) [pagedaemon]
100063 L *vm obje 0xfffff800039ca840 [dom0]
100069 L *pmap 0xfffff80003c51a80 [laundry: dom0]
100070 D umarcls 0xffffffff824fd711 [uma]
16 0 0 0 DL - 0xffffffff82359518 [rand_harvestq]
15 0 0 0 DL waiting 0xffffffff82662220 [sctp_iterator]
9 0 0 0 DL - 0xffffffff825d3d1c [soaiod4]
8 0 0 0 DL - 0xffffffff825d3d1c [soaiod3]
7 0 0 0 RL [soaiod2]
6 0 0 0 DL - 0xffffffff825d3d1c [soaiod1]
5 0 0 0 DL (threaded) [cam]
100031 D - 0xffffffff822348c0 [doneq0]
100062 D - 0xffffffff82234788 [scanner]
4 0 0 0 DL crypto_ 0xfffff800033b4090 [crypto
returns 1]
3 0 0 0 DL crypto_ 0xfffff800033b4030 [crypto
returns 0]
2 0 0 0 DL crypto_ 0xffffffff825e9de8 [crypto]
14 0 0 0 DL seqstat 0xfffff80003323c88 [sequencer 00]
13 0 0 0 DL (threaded) [geom]
100022 D - 0xffffffff8261b288 [g_event]
100023 D - 0xffffffff8261b298 [g_up]
100024 D - 0xffffffff8261b290 [g_down]
12 0 0 0 WL (threaded) [intr]
100006 I [swi5: fast
taskq]
100010 I [swi6: task
queue]
100011 I [swi6: Giant
taskq]
100017 I [swi4: clock
(0)]
100018 I [swi4: clock
(1)]
100019 I [swi3: vm]
100020 I [swi1: netisr
0]
100032 I [irq24:
virtio_pci0]
100033 I [irq25:
virtio_pci0]
100034 I [irq26:
virtio_pci0]
100035 I [irq27:
virtio_pci0]
100036 I [irq28:
virtio_pci1]
100037 I [irq29:
virtio_pci1]
100038 I [irq30:
virtio_pci1]
100039 I [irq31:
virtio_pci1]
100040 I [irq32:
virtio_pci1]
100045 I [irq10:
virtio_pci2]
100047 I [irq1: atkbd0]
100048 I [irq12: psm0]
100049 I [swi0: uart
uart++]
11 0 0 0 RL (threaded) [idle]
100003 CanRun [idle: cpu0]
100004 CanRun [idle: cpu1]
1 0 1 0 SLs wait 0xfffff800032b7530 [init]
10 0 0 0 DL audit_w 0xffffffff82662eb0 [audit]
0 0 0 0 RLs (threaded) [kernel]
100000 D swapin 0xffffffff82609878 [swapper]
100005 D - 0xfffff800031cad00 [thread taskq]
100007 D in_mult 0xffffffff82661ff0 [config_0]
100008 D - 0xfffff800031caa00 [kqueue_ctx
taskq]
100009 D - 0xfffff800031ca900 [aiod_kick
taskq]
100012 D - 0xfffff800031ca600
[if_config_tqg_0]
100013 D - 0xfffff800031ca500 [softirq_0]
100014 Run CPU 1 [softirq_1]
100015 D - 0xfffff800031ca300 [if_io_tqg_0]
100016 D - 0xfffff800031ca200 [if_io_tqg_1]
100021 D - 0xfffff800031ca000 [firmware
taskq]
100026 D - 0xfffff800031c9d00 [crypto_0]
100027 D - 0xfffff800031c9d00 [crypto_1]
100041 D - 0xfffff800031c7100 [vtnet0 rxq 0]
100042 D - 0xfffff800031c7000 [vtnet0 txq 0]
100043 D - 0xfffff8000377d100 [vtnet0 rxq 1]
100044 D - 0xfffff8000377d000 [vtnet0 txq 1]
100046 D vtbslp 0xfffff8000354d800
[virtio_balloon]
100050 D - 0xfffff8000377a300 [mca taskq]
100053 D - 0xffffffff824fd710 [deadlkres]
100058 D - 0xfffff80003aa0200 [acpi_task_0]
100059 D - 0xfffff80003aa0200 [acpi_task_1]
100060 D - 0xfffff80003aa0200 [acpi_task_2]
100061 D - 0xfffff800031c9a00 [CAM taskq]
db> show all locks
Process 5055 (syz-executor.0) thread 0xfffff80003adb000 (100083)
exclusive sleep mutex umtxql (umtxql) r = 0 (0xffffffff8250c1c0) locked @
/syzkaller/managers/main/kernel/sys/kern/kern_umtx.c:507
Process 775 (syz-executor.3) thread 0xfffff8001240d6e0 (100087)
exclusive sleep mutex if_addr_lock (if_addr_lock) r = 0
(0xfffff80003a171a8) locked @
/syzkaller/managers/main/kernel/sys/netinet/in_mcast.c:1350
exclusive sleep mutex in_multi_list_mtx (in_multi_list_mtx) r = 0
(0xffffffff82661df8) locked @
/syzkaller/managers/main/kernel/sys/netinet/in_mcast.c:1343
exclusive sx in_multi_sx (in_multi_sx) r = 0 (0xffffffff82661ff0) locked @
/syzkaller/managers/main/kernel/sys/netinet/in_mcast.c:1290
exclusive sx in_control (in_control) r = 0 (0xffffffff825d6e18) locked @
/syzkaller/managers/main/kernel/sys/netinet/in.c:243
Process 766 (syz-fuzzer) thread 0xfffff80012668000 (100099)
exclusive rw pmap pv list (pmap pv list) r = 0 (0xfffffe0003605d80) locked
@ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:7289
exclusive sleep mutex pmap (pmap) r = 0 (0xfffff80003d80120) locked @
/syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:7209
Process 17 (pagedaemon) thread 0xfffff80003c4e000 (100069)
exclusive rw vm object (vm object) r = 0 (0xfffff8001c4a0d68) locked @
/syzkaller/managers/main/kernel/sys/vm/vm_pageout.c:795
exclusive sleep mutex vm page (vm page) r = 0 (0xffffffff82047b00) locked @
/syzkaller/managers/main/kernel/sys/vm/vm_page.c:1196
db> show malloc
Type InUse MemUse Requests
devbuf 4214 4851K 4242
vtbuf 24 1968K 46
callout 3 1672K 3
kobj 333 1332K 489
sysctloid 22990 1328K 23054
newblk 9 1026K 5923
vfscache 4 1025K 4
inodedep 89 556K 4368
pcb 24 537K 907
ufs_quota 1 512K 1
vfs_hash 1 512K 1
intr 4 388K 4
subproc 139 269K 5143
acpica 1674 185K 50040
vnet_data 1 168K 1
filedesc 19 133K 8360
pagedep 10 131K 4198
tfo_ccache 1 128K 1
sem 4 106K 4
DEVFS1 105 105K 122
linker 221 89K 252
bus 966 78K 3325
mtx_pool 2 72K 2
BPF 38 71K 46
syncache 1 68K 1
acpitask 1 64K 1
ddb_capture 1 64K 1
module 495 62K 495
umtx 332 42K 332
gtaskqueue 22 34K 22
kdtrace 172 33K 22534
hostcache 1 32K 1
shm 1 32K 6
DEVFS3 124 31K 134
msg 4 30K 4
DEVFS_RULE 56 27K 56
ifaddr 75 26K 76
kbdmux 6 22K 6
vmem 3 19K 4
temp 34 17K 4246
ufs_mount 3 17K 4
proc 3 17K 3
tty 16 16K 16
tidhash 1 16K 1
lltable 41 15K 51
ithread 89 15K 89
ether_multi 164 14K 177
KTRACE 100 13K 100
ifnet 7 13K 7
cred 47 12K 283
kenv 95 12K 99
eventhandler 122 11K 122
pfs_nodes 20 10K 20
dirrem 78 10K 4284
freefile 78 10K 4273
GEOM 60 10K 487
rman 82 10K 423
in6_multi 77 10K 89
bmsafemap 2 9K 4364
select 66 9K 66
devstat 4 9K 4
UART 12 9K 12
rpc 2 8K 2
sctp_timw 32 8K 32
shmfd 1 8K 1
pfs_vncache 1 8K 1
audit_evclass 231 8K 289
routetbl 51 7K 63
CAM DEV 3 6K 508
plimit 23 6K 441
vt 11 6K 11
sglist 5 6K 5
CAM queue 5 6K 1522
taskqueue 42 5K 42
DEVFSP 67 5K 82
memdesc 1 4K 1
MCA 32 4K 32
ufs_dirhash 8 4K 24
session 32 4K 48
pgrp 32 4K 48
evdev 4 4K 4
UMA 233 4K 233
kqueue 57 4K 5065
kcovinfo 55 4K 68
lockf 30 4K 69
hhook 13 4K 13
acpisem 22 3K 22
terminal 11 3K 11
proc-args 49 3K 636
uidinfo 5 3K 7
local_apic 1 2K 1
io_apic 1 2K 1
ipsec-saq 2 2K 2
ip6ndp 12 2K 21
sctp_ifa 14 2K 17
Unitno 31 2K 22707
CAM XPT 22 2K 541
in_multi 6 2K 7
freework 6 2K 4674
acpidev 20 2K 20
freeblks 5 2K 4252
crypto 2 2K 2
msi 9 2K 9
tun 7 2K 7
ipsecpolicy 1 1K 1
sahead 1 1K 1
secasvar 1 1K 1
clone 8 1K 8
NFSD session 1 1K 1
mkdir 7 1K 8344
CAM periph 4 1K 270
mld 6 1K 6
igmp 6 1K 6
toponodes 6 1K 6
isadev 6 1K 6
mount 16 1K 86
pci_link 10 1K 10
inpcbpolicy 20 1K 17533
sctp_ifn 5 1K 6
CAM SIM 2 1K 2
softdep 1 1K 1
diradd 4 1K 4323
chacha20random 1 1K 1
epoch 4 1K 4
cdev 2 1K 2
encap_export_host 8 1K 8
pfil 3 1K 3
osd 3 1K 9
newdirblk 4 1K 4172
vnodes 1 1K 1
NFSD lckfile 1 1K 1
NFSD V4client 1 1K 1
DEVFS 9 1K 10
feeder 7 1K 7
loginclass 3 1K 3
CAM path 4 1K 1030
apmdev 1 1K 1
atkbddev 2 1K 2
pmchooks 1 1K 1
prison 4 1K 4
CAM dev queue 2 1K 2
CAM I/O Scheduler 1 1K 1
soname 4 1K 6361
nexusdev 5 1K 5
entropy 2 1K 42
tcpfunc 1 1K 1
sctp_vrf 1 1K 1
vnet 1 1K 1
acpiintr 1 1K 1
pmc 1 1K 1
filecaps 4 1K 98
cpus 2 1K 2
vnet_data_free 1 1K 1
Per-cpu 1 1K 1
p1003.1b 1 1K 1
CAM CCB 0 0K 5212
madt_table 0 0K 2
PUC 0 0K 0
ppbusdev 0 0K 0
agtiapi_MemAlloc malloc 0 0K 0
osti_cacheable 0 0K 0
tempbuff 0 0K 0
tempbuff 0 0K 0
pvscsi 0 0K 0
smartpqi 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
iavf 0 0K 0
ixl 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
fpukern_ctx 0 0K 0
xen_intr 0 0K 0
CAM ccb queue 0 0K 0
xen_hvm 0 0K 0
legacydrv 0 0K 0
qpidrv 0 0K 0
mrsasbuf 0 0K 0
mpt_user 0 0K 0
dmar_idpgtbl 0 0K 0
dmar_dom 0 0K 0
dmar_ctx 0 0K 0
dmar_dmamap 0 0K 0
mps_user 0 0K 0
MPSSAS 0 0K 0
isci 0 0K 0
bxe_ilt 0 0K 0
xenbus 0 0K 0
vm_fictitious 0 0K 0
mps 0 0K 0
mpr_user 0 0K 0
MPRSAS 0 0K 0
UMAHash 0 0K 0
vm_pgdata 0 0K 0
jblocks 0 0K 0
savedino 0 0K 3574
sentinel 0 0K 0
jfsync 0 0K 0
jtrunc 0 0K 0
sbdep 0 0K 18
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 8
allocindir 0 0K 0
indirdep 0 0K 636
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
xform 0 0K 0
NLM 0 0K 0
nfsclient_nlminfo 0 0K 0
nfsclient_lock 0 0K 0
NFS FHA 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 7
ip6_msource 0 0K 0
ip6_moptions 0 0K 0
in6_mfilter 0 0K 0
frag6 0 0K 0
tcplog 0 0K 0
LRO 0 0K 0
sctp_mcore 0 0K 0
sctp_socko 0 0K 323
sctp_iter 0 0K 12
sctp_mvrf 0 0K 0
sctp_cpal 0 0K 0
sctp_cmsg 0 0K 0
sctp_stre 0 0K 0
sctp_athi 0 0K 0
sctp_athm 0 0K 663
sctp_atky 0 0K 935
sctp_atcl 0 0K 663
sctp_a_it 0 0K 12
sctp_aadr 0 0K 0
sctp_stro 0 0K 272
sctp_stri 0 0K 0
sctp_map 0 0K 544
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
vnodemarker 0 0K 42
mpr 0 0K 0
statfs 0 0K 4350
export_host 0 0K 0
cl_savebuf 0 0K 3
biobuf 0 0K 0
aios 0 0K 0
lio 0 0K 0
acl 0 0K 0
mfibuf 0 0K 0
mbuf_tag 0 0K 146
accf 0 0K 0
pts 0 0K 0
iov 0 0K 19640
ioctlops 0 0K 169
Witness 0 0K 0
stack 0 0K 0
md_sectors 0 0K 0
sbuf 0 0K 364
md_disk 0 0K 0
compressor 0 0K 0
malodev 0 0K 0
SWAP 0 0K 0
LED 0 0K 0
sysctltmp 0 0K 693
sysctl 0 0K 1
ekcd 0 0K 0
dumper 0 0K 0
rctl 0 0K 0
ix_sriov 0 0K 0
aacraidcam 0 0K 0
ix 0 0K 0
ipsbuf 0 0K 0
iirbuf 0 0K 0
cache 0 0K 0
aacraid_buf 0 0K 0
prison_racct 0 0K 0
Fail Points 0 0K 0
sigio 0 0K 3
filedesc_to_leader 0 0K 0
tty console 0 0K 0
aaccam 0 0K 0
aacbuf 0 0K 0
zstd 0 0K 0
nvlist 0 0K 0
SCSI ENC 0 0K 0
SCSI sa 0 0K 0
isofs_node 0 0K 0
isofs_mount 0 0K 0
tr_raid5_data 0 0K 0
tr_raid1e_data 0 0K 0
tr_raid1_data 0 0K 0
tr_raid0_data 0 0K 0
tr_concat_data 0 0K 0
md_sii_data 0 0K 0
md_promise_data 0 0K 0
md_nvidia_data 0 0K 0
md_jmicron_data 0 0K 0
md_intel_data 0 0K 0
md_ddf_data 0 0K 0
raid_data 0 0K 72
geom_flashmap 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 diroffdiroff 0 0K 0
NEWdirectio 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
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
NFSD srvcache 0 0K 0
msdosfs_fat 0 0K 0
msdosfs_mount 0 0K 0
msdosfs_node 0 0K 0
DEVFS4 0 0K 0
DEVFS2 0 0K 0
gntdev 0 0K 0
privcmd_dev 0 0K 0
evtchn_dev 0 0K 0
xenstore 0 0K 0
scsi_pass 0 0K 0
ciss_data 0 0K 0
xnb 0 0K 0
xbbd 0 0K 0
xbd 0 0K 0
Balloon 0 0K 0
sysmouse 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
scsi_da 0 0K 69
ata_da 0 0K 0
scsi_ch 0 0K 0
scsi_cd 0 0K 0
USBdev 0 0K 0
USB 0 0K 0
AHCI driver 0 0K 0
agp 0 0K 0
nvme_da 0 0K 0
acpipwr 0 0K 0
twsbuf 0 0K 0
twe_commands 0 0K 0
twa_commands 0 0K 0
tcp_log_dev 0 0K 0
midi buffers 0 0K 0
mixer 0 0K 0
ac97 0 0K 0
hdacc 0 0K 0
hdac 0 0K 0
hdaa 0 0K 0
acpi_perf 0 0K 0
acpicmbat 0 0K 0
SIIS driver 0 0K 0
db> show ktr
No such command; use "help" to list available commands
---
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syzbot
Mar 14, 2020, 9:19:10 PM3/14/20
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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