panic:W ARpoNIoNlG_:c acSPheL _NiOtTe m_LOmaWEgRiEcD_ chONe cSk:Y mSCbAufLLp l 2 c-p9u5 3fr68e0e0 6l8i stEX ImTo di0 fa
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syzbot
May 8, 2020, 9:33:14 PM5/8/20
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: d38dc9a7 Remove unneccessary X509_NAME_oneline wrapper. Pa..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=12295124100000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=3d71311fc0465f38c0dd
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+3d7131...@syzkaller.appspotmail.com
panic:W ARpoNIoNlG_:c acSPheL _NiOtTe m_LOmaWEgRiEcD_ chONe cSk:Y mSCbAufLLp l 2 c-p9u5 3fr68e0e0 6l8i stEX ImTo di0 fa
iStopped at savectx+0xb1: movl $0,%gs:0x530
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*196237 37487 0 0x2 0 0 syz-executor.0
386774 39420 0 0x14000 0x200 1 softnet
savectx() at savectx+0xb1
end of kernel
end trace frame: 0x7f7ffffbb4f0, count: 14
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd8067615f00+16 0x0!=0xcbe29550f3588b63
ddb{0}> trace
savectx() at savectx+0xb1
end of kernel
end trace frame: 0x7f7ffffbb4f0, count: -1
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff800020f57e20
rbx 0
rdx 0xffff800020ec69d8
rcx 0
rax 0x3a
r8 0xffffffff81b4951f kprintf+0x16f
r9 0x1
r10 0x25
r11 0xeaf144f991048f84
r12 0
r13 0
r14 0xffff800020ec69d8
r15 0
rip 0xffffffff820563f1 savectx+0xb1
cs 0x8
rflags 0x46
rsp 0xffff800020f57da0
ss 0x10
savectx+0xb1: movl $0,%gs:0x530
ddb{0}> show proc
PROC (syz-executor.0) pid=196237 stat=onproc
flags process=2<EXEC,8ORPHAN> proc=0
pri=71, usrpri=71, nice=20
forw=0xffffffffffffffff, list=0xffff800020ec6288,0xffff800020ec6508
process=0xffff800020e92ba8 user=0xffff800020f52000, vmspace=0xfffffd806e960458
estcpu=36, cpticks=1, pctcpu=0.2
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
3044 35078 37487 0 2 0 syz-executor.0
61093 336147 94883 0 2 0 syz-executor.1
94883 13764 46395 0 3 0x82 nanosleep syz-executor.1
1510 218886 0 0 3 0x14200 bored sosplice
*37487 196237 46395 0 7 0x2 syz-executor.0
86988 139434 1 0 3 0x100083 ttyin getty
46395 13889 53324 0 3 0x82 thrsleep syz-fuzzer
46395 13184 53324 0 3 0x4000082 nanosleep syz-fuzzer
46395 27478 53324 0 3 0x4000082 thrsleep syz-fuzzer
46395 26254 53324 0 3 0x4000082 thrsleep syz-fuzzer
46395 484064 53324 0 3 0x4000082 thrsleep syz-fuzzer
46395 287624 53324 0 3 0x4000082 thrsleep syz-fuzzer
46395 275501 53324 0 3 0x4000082 kqread syz-fuzzer
46395 432251 53324 0 3 0x4000082 thrsleep syz-fuzzer
46395 125195 53324 0 3 0x4000082 thrsleep syz-fuzzer
46395 170875 53324 0 3 0x4000082 thrsleep syz-fuzzer
53324 131739 8658 0 3 0x10008a pause ksh
8658 499231 80655 0 3 0x92 select sshd
80655 422336 1 0 3 0x80 select sshd
64905 416095 42086 74 3 0x100092 bpf pflogd
42086 40251 1 0 3 0x80 netio pflogd
71141 477228 1477 73 3 0x100090 kqread syslogd
1477 494863 1 0 3 0x100082 netio syslogd
78491 260753 1 77 3 0x100090 poll dhclient
65294 113369 1 0 3 0x80 poll dhclient
57046 55645 0 0 3 0x14200 bored smr
85395 322631 0 0 2 0x14200 zerothread
64978 91908 0 0 3 0x14200 aiodoned aiodoned
79174 500603 0 0 3 0x14200 syncer update
54213 430773 0 0 3 0x14200 cleaner cleaner
41741 482051 0 0 3 0x14200 reaper reaper
11281 281561 0 0 3 0x14200 pgdaemon pagedaemon
7344 425236 0 0 3 0x14200 bored crynlk
53105 248366 0 0 3 0x14200 bored crypto
27997 95612 0 0 3 0x40014200 acpi0 acpi0
5168 7229 0 0 3 0x40014200 idle1
39420 386774 0 0 7 0x14200 softnet
86749 168816 0 0 3 0x14200 bored systqmp
82424 493802 0 0 3 0x14200 bored systq
18122 273392 0 0 3 0x40014200 bored softclock
76676 37021 0 0 3 0x40014200 idle0
1 403209 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
CPU 0:
exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff8268e790)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 mtx_enter_try+0x102
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 uvm_pmr_getpages+0xd2c sys/uvm/uvm_pmemrange.c:1170
#4 uvm_pglistalloc+0x362 sys/uvm/uvm_page.c:790
#5 uvm_km_kmemalloc_pla+0x238 sys/uvm/uvm_km.c:367
#6 uvm_uarea_alloc+0x51 sys/uvm/uvm_glue.c:274
#7 fork1+0x271 sys/kern/kern_fork.c:365
#8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#9 Xsyscall+0x128
Process 37487 (syz-executor.0) thread 0xffff800020ec69d8 (196237)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8264d2a8)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline]
#1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570
#2 Xsyscall+0x128
exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff8268e790)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 mtx_enter_try+0x102
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 uvm_pmr_getpages+0xd2c sys/uvm/uvm_pmemrange.c:1170
#4 uvm_pglistalloc+0x362 sys/uvm/uvm_page.c:790
#5 uvm_km_kmemalloc_pla+0x238 sys/uvm/uvm_km.c:367
#6 uvm_uarea_alloc+0x51 sys/uvm/uvm_glue.c:274
#7 fork1+0x271 sys/kern/kern_fork.c:365
#8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#9 Xsyscall+0x128
Process 39420 (softnet) thread 0xffff800020e18270 (386774)
exclusive rwlock netlock r = 0 (0xffffffff824c7db8)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 if_input_process+0x84 sys/net/if.c:941
#2 ifiq_process+0x80 sys/net/ifq.c:646
#3 taskq_thread+0x9c sys/kern/kern_task.c:369
#4 proc_trampoline+0x1c
shared rwlock softnet r = 0 (0xffff80000002b0e0)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 taskq_thread+0x8f sys/kern/kern_task.c:368
#2 proc_trampoline+0x1c
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9513 6546K 6868K 78643K 11055 0
pcb 13 8K 8K 78643K 243 0
rtable 91 3K 4K 78643K 418 0
ifaddr 60 13K 13K 78643K 133 0
counters 43 33K 34K 78643K 65 0
ioctlops 0 0K 4K 78643K 1484 0
iov 0 0K 16K 78643K 40 0
mount 1 1K 1K 78643K 1 0
vnodes 1233 78K 78K 78643K 1498 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 6 0
VM map 2 1K 1K 78643K 2 0
sem 11 1K 1K 78643K 21 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1823 197K 290K 78643K 12980 0
file desc 6 17K 25K 78643K 379 0
sigio 0 0K 0K 78643K 2 0
proc 61 63K 95K 78643K 597 0
subproc 32 2K 3K 78643K 136 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 36 0
in_multi 61 3K 3K 78643K 116 0
ether_multi 1 0K 0K 78643K 13 0
mrt 0 0K 0K 78643K 3 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 61 281K 281K 78643K 61 0
exec 0 0K 1K 78643K 261 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 120 39K 54K 78643K 2237 0
UVM aobj 17 4K 5K 78643K 19 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 56 0
NDP 9 0K 0K 78643K 28 0
temp 110 3047K 3114K 78643K 9593 0
kqueue 3 4K 22K 78643K 33 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 12 0 6 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 80 61 0 59 1 0 1 1 0 8 0
rtentry 112 78 0 44 2 0 2 2 0 8 0
unpcb 120 463 0 453 1 0 1 1 0 8 0
syncache 264 7 0 7 3 3 0 1 0 8 0
tcpqe 32 92 0 92 2 2 0 1 0 8 0
tcpcb 544 145 0 141 1 0 1 1 0 8 0
inpcb 280 637 0 630 5 3 2 2 0 8 1
rttmr 72 1 0 1 1 1 0 1 0 8 0
nd6 48 13 0 7 1 0 1 1 0 8 0
ppxss 1128 2 0 2 1 0 1 1 0 8 1
pffrag 232 2 0 2 1 0 1 1 0 482 1
pffrnode 88 2 0 2 1 0 1 1 0 8 1
pffrent 40 90 0 90 1 0 1 1 0 8 1
pfosfp 40 846 0 423 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 49 0 18 1 0 1 1 0 8 0
pfstkey 112 49 0 18 1 0 1 1 0 8 0
pfstate 328 49 0 18 3 0 3 3 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 357 0 194 15 3 12 13 0 8 1
art_table 32 359 0 194 2 0 2 2 0 8 0
art_node 16 76 0 48 1 0 1 1 0 8 0
sysvmsgpl 40 23 0 12 1 0 1 1 0 8 0
semupl 112 2 0 2 1 1 0 1 0 8 0
semapl 112 10 0 1 1 0 1 1 0 8 0
shmpl 112 17 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1878 0 474 89 0 89 89 0 8 0
ffsino 272 1878 0 474 95 0 95 95 0 8 0
nchpl 144 2551 0 958 60 0 60 60 0 8 0
uvmvnodes 72 2134 0 0 39 0 39 39 0 8 0
vnodes 208 2134 0 0 113 0 113 113 0 8 0
namei 1024 8108 0 8108 1 0 1 1 0 8 1
percpumem 16 43 0 11 1 0 1 1 0 8 0
vcpupl 1984 2 0 0 1 0 1 1 0 8 0
vmpool 560 2 0 0 1 0 1 1 0 8 0
scsiplug 64 1 0 1 1 1 0 1 0 8 0
scxspl 192 7158 0 7157 11 10 1 7 0 8 0
plimitpl 152 51 0 43 1 0 1 1 0 8 0
sigapl 424 578 0 545 4 0 4 4 0 8 0
futexpl 56 5638 0 5638 1 0 1 1 0 8 1
knotepl 112 231 0 212 2 1 1 2 0 8 0
kqueuepl 144 70 0 68 1 0 1 1 0 8 0
pipelkpl 48 138 0 128 1 0 1 1 0 8 0
pipepl 120 276 0 257 1 0 1 1 0 8 0
fdescpl 496 562 0 545 3 0 3 3 0 8 0
filepl 152 4182 0 4082 5 0 5 5 0 8 1
lockfpl 104 100 0 99 1 0 1 1 0 8 0
lockfspl 48 34 0 33 1 0 1 1 0 8 0
sessionpl 112 25 0 14 1 0 1 1 0 8 0
pgrppl 48 27 0 16 1 0 1 1 0 8 0
ucredpl 96 852 0 843 1 0 1 1 0 8 0
zombiepl 144 545 0 545 1 0 1 1 0 8 1
processpl 984 578 0 545 5 0 5 5 0 8 0
procpl 624 1320 0 1278 4 0 4 4 0 8 0
sosppl 128 6 0 6 2 2 0 1 0 8 0
sockpl 400 1170 0 1151 6 2 4 4 0 8 2
mcl64k 65536 9 0 0 2 0 2 2 0 8 0
mcl12k 12288 10 0 0 1 0 1 1 0 8 0
mcl9k 9216 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 5 0 0 1 0 1 1 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 168 0 0 20 0 20 20 0 8 0
mtagpl 80 20 0 0 1 0 1 1 0 8 0
mbufpl 256 348 0 0 19 0 19 19 0 8 0
bufpl 280 4205 0 134 291 0 291 291 0 8 0
anonpl 16 66789 0 53407 59 2 57 57 0 124 0
amapchunkpl 152 3910 0 3791 20 13 7 19 0 158 0
amappl16 192 2177 0 1425 41 2 39 39 0 8 1
amappl15 184 4 0 2 1 0 1 1 0 8 0
amappl14 176 142 0 137 1 0 1 1 0 8 0
amappl13 168 153 0 152 1 0 1 1 0 8 0
amappl12 160 21 0 18 2 1 1 1 0 8 0
amappl11 152 206 0 188 1 0 1 1 0 8 0
amappl10 144 17 0 11 1 0 1 1 0 8 0
amappl9 136 430 0 429 1 0 1 1 0 8 0
amappl8 128 463 0 425 2 0 2 2 0 8 0
amappl7 120 136 0 123 1 0 1 1 0 8 0
amappl6 112 59 0 53 1 0 1 1 0 8 0
amappl5 104 303 0 287 1 0 1 1 0 8 0
amappl4 96 672 0 640 1 0 1 1 0 8 0
amappl3 88 228 0 223 1 0 1 1 0 8 0
amappl2 80 3276 0 3207 2 0 2 2 0 8 0
amappl1 72 22788 0 22355 23 13 10 18 0 8 0
amappl 80 1625 0 1585 2 0 2 2 0 84 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 64 18 0 2 1 0 1 1 0 8 0
uaddrrnd 24 564 0 545 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 564 0 545 1 0 1 1 0 8 0
vmmpekpl 168 8497 0 8461 2 0 2 2 0 8 0
vmmpepl 168 78875 0 76908 156 40 116 117 0 357 28
vmsppl 368 563 0 545 2 0 2 2 0 8 0
pdppl 4096 1136 0 1092 6 0 6 6 0 8 0
pvpl 32 220383 0 203859 147 8 139 143 0 265 1
pmappl 232 563 0 545 2 0 2 2 0 8 0
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 271 0 8 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
savectx() at savectx+0xb1
end of kernel
end trace frame: 0x7f7ffffbb4f0, count: -1
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
x2apic_readreg(390) at x2apic_readreg+0x2a sys/arch/amd64/amd64/lapic.c:141
lapic_delay(1) at lapic_delay+0x33 lapic_gettick sys/arch/amd64/amd64/lapic.c:401 [inline]
lapic_delay(1) at lapic_delay+0x33 sys/arch/amd64/amd64/lapic.c:587
comcnputc(800,69) at comcnputc+0x157 sys/dev/ic/com.c:1260
cnputc(69) at cnputc+0x4c sys/dev/cons.c:239
kputchar(69,5,0) at kputchar+0x219 sys/kern/subr_prf.c:343
kprintf() at kprintf+0x15c sys/kern/subr_prf.c:700
panic(ffffffff821f9860) at panic+0xf3 vprintf sys/kern/subr_prf.c:528 [inline]
panic(ffffffff821f9860) at panic+0xf3 sys/kern/subr_prf.c:197
pool_cache_get(ffffffff8264bc38) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline]
pool_cache_get(ffffffff8264bc38) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884
pool_get(ffffffff8264bc38,2) at pool_get+0x91 sys/kern/subr_pool.c:572
m_copym(fffffd8067616c00,b00,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline]
m_copym(fffffd8067616c00,b00,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667
tcp_output(ffff800000a0c980) at tcp_output+0x15ba sys/netinet/tcp_output.c:673
end trace frame: 0xffff800020e39370, count: 0
ddb{1}> trace
x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
x2apic_readreg(390) at x2apic_readreg+0x2a sys/arch/amd64/amd64/lapic.c:141
lapic_delay(1) at lapic_delay+0x33 lapic_gettick sys/arch/amd64/amd64/lapic.c:401 [inline]
lapic_delay(1) at lapic_delay+0x33 sys/arch/amd64/amd64/lapic.c:587
comcnputc(800,69) at comcnputc+0x157 sys/dev/ic/com.c:1260
cnputc(69) at cnputc+0x4c sys/dev/cons.c:239
kputchar(69,5,0) at kputchar+0x219 sys/kern/subr_prf.c:343
kprintf() at kprintf+0x15c sys/kern/subr_prf.c:700
panic(ffffffff821f9860) at panic+0xf3 vprintf sys/kern/subr_prf.c:528 [inline]
panic(ffffffff821f9860) at panic+0xf3 sys/kern/subr_prf.c:197
pool_cache_get(ffffffff8264bc38) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline]
pool_cache_get(ffffffff8264bc38) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884
pool_get(ffffffff8264bc38,2) at pool_get+0x91 sys/kern/subr_pool.c:572
m_copym(fffffd8067616c00,b00,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline]
m_copym(fffffd8067616c00,b00,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667
tcp_output(ffff800000a0c980) at tcp_output+0x15ba sys/netinet/tcp_output.c:673
tcp_input(ffff800020e39538,ffff800020e39544,6,2) at tcp_input+0x2356
ip_deliver(ffff800020e39538,ffff800020e39544,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668
ip_ours(ffff800020e39538,ffff800020e39544,ffff800020e18270,0) at ip_ours+0x412
ip_input_if(ffff800020e39538,ffff800020e39544,4,0,ffff80000017b2a8) at ip_input_if+0x6ce
ipv4_input(ffff80000017b2a8,fffffd8067616e00) at ipv4_input+0x48 sys/netinet/ip_input.c:215
ether_input(ffff80000017b2a8,fffffd8067616e00,0) at ether_input+0x345 sys/net/if_ethersubr.c:461
if_input_process(ffff80000017b2a8,ffff800020e39668) at if_input_process+0xfb if_ih_input sys/net/if.c:909 [inline]
if_input_process(ffff80000017b2a8,ffff800020e39668) at if_input_process+0xfb sys/net/if.c:943
ifiq_process(ffff80000017b6a0) at ifiq_process+0x80 sys/net/ifq.c:646
taskq_thread(ffff80000002b080) at taskq_thread+0x9c sys/kern/kern_task.c:369
end trace frame: 0x0, count: -23
---
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: d38dc9a7 Remove unneccessary X509_NAME_oneline wrapper. Pa..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=12295124100000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=3d71311fc0465f38c0dd
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+3d7131...@syzkaller.appspotmail.com
panic:W ARpoNIoNlG_:c acSPheL _NiOtTe m_LOmaWEgRiEcD_ chONe cSk:Y mSCbAufLLp l 2 c-p9u5 3fr68e0e0 6l8i stEX ImTo di0 fa
iStopped at savectx+0xb1: movl $0,%gs:0x530
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*196237 37487 0 0x2 0 0 syz-executor.0
386774 39420 0 0x14000 0x200 1 softnet
savectx() at savectx+0xb1
end of kernel
end trace frame: 0x7f7ffffbb4f0, count: 14
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd8067615f00+16 0x0!=0xcbe29550f3588b63
ddb{0}> trace
savectx() at savectx+0xb1
end of kernel
end trace frame: 0x7f7ffffbb4f0, count: -1
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff800020f57e20
rbx 0
rdx 0xffff800020ec69d8
rcx 0
rax 0x3a
r8 0xffffffff81b4951f kprintf+0x16f
r9 0x1
r10 0x25
r11 0xeaf144f991048f84
r12 0
r13 0
r14 0xffff800020ec69d8
r15 0
rip 0xffffffff820563f1 savectx+0xb1
cs 0x8
rflags 0x46
rsp 0xffff800020f57da0
ss 0x10
savectx+0xb1: movl $0,%gs:0x530
ddb{0}> show proc
PROC (syz-executor.0) pid=196237 stat=onproc
flags process=2<EXEC,8ORPHAN> proc=0
pri=71, usrpri=71, nice=20
forw=0xffffffffffffffff, list=0xffff800020ec6288,0xffff800020ec6508
process=0xffff800020e92ba8 user=0xffff800020f52000, vmspace=0xfffffd806e960458
estcpu=36, cpticks=1, pctcpu=0.2
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
3044 35078 37487 0 2 0 syz-executor.0
61093 336147 94883 0 2 0 syz-executor.1
94883 13764 46395 0 3 0x82 nanosleep syz-executor.1
1510 218886 0 0 3 0x14200 bored sosplice
*37487 196237 46395 0 7 0x2 syz-executor.0
86988 139434 1 0 3 0x100083 ttyin getty
46395 13889 53324 0 3 0x82 thrsleep syz-fuzzer
46395 13184 53324 0 3 0x4000082 nanosleep syz-fuzzer
46395 27478 53324 0 3 0x4000082 thrsleep syz-fuzzer
46395 26254 53324 0 3 0x4000082 thrsleep syz-fuzzer
46395 484064 53324 0 3 0x4000082 thrsleep syz-fuzzer
46395 287624 53324 0 3 0x4000082 thrsleep syz-fuzzer
46395 275501 53324 0 3 0x4000082 kqread syz-fuzzer
46395 432251 53324 0 3 0x4000082 thrsleep syz-fuzzer
46395 125195 53324 0 3 0x4000082 thrsleep syz-fuzzer
46395 170875 53324 0 3 0x4000082 thrsleep syz-fuzzer
53324 131739 8658 0 3 0x10008a pause ksh
8658 499231 80655 0 3 0x92 select sshd
80655 422336 1 0 3 0x80 select sshd
64905 416095 42086 74 3 0x100092 bpf pflogd
42086 40251 1 0 3 0x80 netio pflogd
71141 477228 1477 73 3 0x100090 kqread syslogd
1477 494863 1 0 3 0x100082 netio syslogd
78491 260753 1 77 3 0x100090 poll dhclient
65294 113369 1 0 3 0x80 poll dhclient
57046 55645 0 0 3 0x14200 bored smr
85395 322631 0 0 2 0x14200 zerothread
64978 91908 0 0 3 0x14200 aiodoned aiodoned
79174 500603 0 0 3 0x14200 syncer update
54213 430773 0 0 3 0x14200 cleaner cleaner
41741 482051 0 0 3 0x14200 reaper reaper
11281 281561 0 0 3 0x14200 pgdaemon pagedaemon
7344 425236 0 0 3 0x14200 bored crynlk
53105 248366 0 0 3 0x14200 bored crypto
27997 95612 0 0 3 0x40014200 acpi0 acpi0
5168 7229 0 0 3 0x40014200 idle1
39420 386774 0 0 7 0x14200 softnet
86749 168816 0 0 3 0x14200 bored systqmp
82424 493802 0 0 3 0x14200 bored systq
18122 273392 0 0 3 0x40014200 bored softclock
76676 37021 0 0 3 0x40014200 idle0
1 403209 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
CPU 0:
exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff8268e790)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 mtx_enter_try+0x102
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 uvm_pmr_getpages+0xd2c sys/uvm/uvm_pmemrange.c:1170
#4 uvm_pglistalloc+0x362 sys/uvm/uvm_page.c:790
#5 uvm_km_kmemalloc_pla+0x238 sys/uvm/uvm_km.c:367
#6 uvm_uarea_alloc+0x51 sys/uvm/uvm_glue.c:274
#7 fork1+0x271 sys/kern/kern_fork.c:365
#8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#9 Xsyscall+0x128
Process 37487 (syz-executor.0) thread 0xffff800020ec69d8 (196237)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8264d2a8)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline]
#1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570
#2 Xsyscall+0x128
exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff8268e790)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 mtx_enter_try+0x102
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 uvm_pmr_getpages+0xd2c sys/uvm/uvm_pmemrange.c:1170
#4 uvm_pglistalloc+0x362 sys/uvm/uvm_page.c:790
#5 uvm_km_kmemalloc_pla+0x238 sys/uvm/uvm_km.c:367
#6 uvm_uarea_alloc+0x51 sys/uvm/uvm_glue.c:274
#7 fork1+0x271 sys/kern/kern_fork.c:365
#8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#9 Xsyscall+0x128
Process 39420 (softnet) thread 0xffff800020e18270 (386774)
exclusive rwlock netlock r = 0 (0xffffffff824c7db8)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 if_input_process+0x84 sys/net/if.c:941
#2 ifiq_process+0x80 sys/net/ifq.c:646
#3 taskq_thread+0x9c sys/kern/kern_task.c:369
#4 proc_trampoline+0x1c
shared rwlock softnet r = 0 (0xffff80000002b0e0)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 taskq_thread+0x8f sys/kern/kern_task.c:368
#2 proc_trampoline+0x1c
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9513 6546K 6868K 78643K 11055 0
pcb 13 8K 8K 78643K 243 0
rtable 91 3K 4K 78643K 418 0
ifaddr 60 13K 13K 78643K 133 0
counters 43 33K 34K 78643K 65 0
ioctlops 0 0K 4K 78643K 1484 0
iov 0 0K 16K 78643K 40 0
mount 1 1K 1K 78643K 1 0
vnodes 1233 78K 78K 78643K 1498 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 6 0
VM map 2 1K 1K 78643K 2 0
sem 11 1K 1K 78643K 21 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1823 197K 290K 78643K 12980 0
file desc 6 17K 25K 78643K 379 0
sigio 0 0K 0K 78643K 2 0
proc 61 63K 95K 78643K 597 0
subproc 32 2K 3K 78643K 136 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 36 0
in_multi 61 3K 3K 78643K 116 0
ether_multi 1 0K 0K 78643K 13 0
mrt 0 0K 0K 78643K 3 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 61 281K 281K 78643K 61 0
exec 0 0K 1K 78643K 261 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 120 39K 54K 78643K 2237 0
UVM aobj 17 4K 5K 78643K 19 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 56 0
NDP 9 0K 0K 78643K 28 0
temp 110 3047K 3114K 78643K 9593 0
kqueue 3 4K 22K 78643K 33 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 12 0 6 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 80 61 0 59 1 0 1 1 0 8 0
rtentry 112 78 0 44 2 0 2 2 0 8 0
unpcb 120 463 0 453 1 0 1 1 0 8 0
syncache 264 7 0 7 3 3 0 1 0 8 0
tcpqe 32 92 0 92 2 2 0 1 0 8 0
tcpcb 544 145 0 141 1 0 1 1 0 8 0
inpcb 280 637 0 630 5 3 2 2 0 8 1
rttmr 72 1 0 1 1 1 0 1 0 8 0
nd6 48 13 0 7 1 0 1 1 0 8 0
ppxss 1128 2 0 2 1 0 1 1 0 8 1
pffrag 232 2 0 2 1 0 1 1 0 482 1
pffrnode 88 2 0 2 1 0 1 1 0 8 1
pffrent 40 90 0 90 1 0 1 1 0 8 1
pfosfp 40 846 0 423 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 49 0 18 1 0 1 1 0 8 0
pfstkey 112 49 0 18 1 0 1 1 0 8 0
pfstate 328 49 0 18 3 0 3 3 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 357 0 194 15 3 12 13 0 8 1
art_table 32 359 0 194 2 0 2 2 0 8 0
art_node 16 76 0 48 1 0 1 1 0 8 0
sysvmsgpl 40 23 0 12 1 0 1 1 0 8 0
semupl 112 2 0 2 1 1 0 1 0 8 0
semapl 112 10 0 1 1 0 1 1 0 8 0
shmpl 112 17 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1878 0 474 89 0 89 89 0 8 0
ffsino 272 1878 0 474 95 0 95 95 0 8 0
nchpl 144 2551 0 958 60 0 60 60 0 8 0
uvmvnodes 72 2134 0 0 39 0 39 39 0 8 0
vnodes 208 2134 0 0 113 0 113 113 0 8 0
namei 1024 8108 0 8108 1 0 1 1 0 8 1
percpumem 16 43 0 11 1 0 1 1 0 8 0
vcpupl 1984 2 0 0 1 0 1 1 0 8 0
vmpool 560 2 0 0 1 0 1 1 0 8 0
scsiplug 64 1 0 1 1 1 0 1 0 8 0
scxspl 192 7158 0 7157 11 10 1 7 0 8 0
plimitpl 152 51 0 43 1 0 1 1 0 8 0
sigapl 424 578 0 545 4 0 4 4 0 8 0
futexpl 56 5638 0 5638 1 0 1 1 0 8 1
knotepl 112 231 0 212 2 1 1 2 0 8 0
kqueuepl 144 70 0 68 1 0 1 1 0 8 0
pipelkpl 48 138 0 128 1 0 1 1 0 8 0
pipepl 120 276 0 257 1 0 1 1 0 8 0
fdescpl 496 562 0 545 3 0 3 3 0 8 0
filepl 152 4182 0 4082 5 0 5 5 0 8 1
lockfpl 104 100 0 99 1 0 1 1 0 8 0
lockfspl 48 34 0 33 1 0 1 1 0 8 0
sessionpl 112 25 0 14 1 0 1 1 0 8 0
pgrppl 48 27 0 16 1 0 1 1 0 8 0
ucredpl 96 852 0 843 1 0 1 1 0 8 0
zombiepl 144 545 0 545 1 0 1 1 0 8 1
processpl 984 578 0 545 5 0 5 5 0 8 0
procpl 624 1320 0 1278 4 0 4 4 0 8 0
sosppl 128 6 0 6 2 2 0 1 0 8 0
sockpl 400 1170 0 1151 6 2 4 4 0 8 2
mcl64k 65536 9 0 0 2 0 2 2 0 8 0
mcl12k 12288 10 0 0 1 0 1 1 0 8 0
mcl9k 9216 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 5 0 0 1 0 1 1 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 168 0 0 20 0 20 20 0 8 0
mtagpl 80 20 0 0 1 0 1 1 0 8 0
mbufpl 256 348 0 0 19 0 19 19 0 8 0
bufpl 280 4205 0 134 291 0 291 291 0 8 0
anonpl 16 66789 0 53407 59 2 57 57 0 124 0
amapchunkpl 152 3910 0 3791 20 13 7 19 0 158 0
amappl16 192 2177 0 1425 41 2 39 39 0 8 1
amappl15 184 4 0 2 1 0 1 1 0 8 0
amappl14 176 142 0 137 1 0 1 1 0 8 0
amappl13 168 153 0 152 1 0 1 1 0 8 0
amappl12 160 21 0 18 2 1 1 1 0 8 0
amappl11 152 206 0 188 1 0 1 1 0 8 0
amappl10 144 17 0 11 1 0 1 1 0 8 0
amappl9 136 430 0 429 1 0 1 1 0 8 0
amappl8 128 463 0 425 2 0 2 2 0 8 0
amappl7 120 136 0 123 1 0 1 1 0 8 0
amappl6 112 59 0 53 1 0 1 1 0 8 0
amappl5 104 303 0 287 1 0 1 1 0 8 0
amappl4 96 672 0 640 1 0 1 1 0 8 0
amappl3 88 228 0 223 1 0 1 1 0 8 0
amappl2 80 3276 0 3207 2 0 2 2 0 8 0
amappl1 72 22788 0 22355 23 13 10 18 0 8 0
amappl 80 1625 0 1585 2 0 2 2 0 84 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 64 18 0 2 1 0 1 1 0 8 0
uaddrrnd 24 564 0 545 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 564 0 545 1 0 1 1 0 8 0
vmmpekpl 168 8497 0 8461 2 0 2 2 0 8 0
vmmpepl 168 78875 0 76908 156 40 116 117 0 357 28
vmsppl 368 563 0 545 2 0 2 2 0 8 0
pdppl 4096 1136 0 1092 6 0 6 6 0 8 0
pvpl 32 220383 0 203859 147 8 139 143 0 265 1
pmappl 232 563 0 545 2 0 2 2 0 8 0
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 271 0 8 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
savectx() at savectx+0xb1
end of kernel
end trace frame: 0x7f7ffffbb4f0, count: -1
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
x2apic_readreg(390) at x2apic_readreg+0x2a sys/arch/amd64/amd64/lapic.c:141
lapic_delay(1) at lapic_delay+0x33 lapic_gettick sys/arch/amd64/amd64/lapic.c:401 [inline]
lapic_delay(1) at lapic_delay+0x33 sys/arch/amd64/amd64/lapic.c:587
comcnputc(800,69) at comcnputc+0x157 sys/dev/ic/com.c:1260
cnputc(69) at cnputc+0x4c sys/dev/cons.c:239
kputchar(69,5,0) at kputchar+0x219 sys/kern/subr_prf.c:343
kprintf() at kprintf+0x15c sys/kern/subr_prf.c:700
panic(ffffffff821f9860) at panic+0xf3 vprintf sys/kern/subr_prf.c:528 [inline]
panic(ffffffff821f9860) at panic+0xf3 sys/kern/subr_prf.c:197
pool_cache_get(ffffffff8264bc38) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline]
pool_cache_get(ffffffff8264bc38) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884
pool_get(ffffffff8264bc38,2) at pool_get+0x91 sys/kern/subr_pool.c:572
m_copym(fffffd8067616c00,b00,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline]
m_copym(fffffd8067616c00,b00,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667
tcp_output(ffff800000a0c980) at tcp_output+0x15ba sys/netinet/tcp_output.c:673
end trace frame: 0xffff800020e39370, count: 0
ddb{1}> trace
x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
x2apic_readreg(390) at x2apic_readreg+0x2a sys/arch/amd64/amd64/lapic.c:141
lapic_delay(1) at lapic_delay+0x33 lapic_gettick sys/arch/amd64/amd64/lapic.c:401 [inline]
lapic_delay(1) at lapic_delay+0x33 sys/arch/amd64/amd64/lapic.c:587
comcnputc(800,69) at comcnputc+0x157 sys/dev/ic/com.c:1260
cnputc(69) at cnputc+0x4c sys/dev/cons.c:239
kputchar(69,5,0) at kputchar+0x219 sys/kern/subr_prf.c:343
kprintf() at kprintf+0x15c sys/kern/subr_prf.c:700
panic(ffffffff821f9860) at panic+0xf3 vprintf sys/kern/subr_prf.c:528 [inline]
panic(ffffffff821f9860) at panic+0xf3 sys/kern/subr_prf.c:197
pool_cache_get(ffffffff8264bc38) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline]
pool_cache_get(ffffffff8264bc38) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884
pool_get(ffffffff8264bc38,2) at pool_get+0x91 sys/kern/subr_pool.c:572
m_copym(fffffd8067616c00,b00,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline]
m_copym(fffffd8067616c00,b00,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667
tcp_output(ffff800000a0c980) at tcp_output+0x15ba sys/netinet/tcp_output.c:673
tcp_input(ffff800020e39538,ffff800020e39544,6,2) at tcp_input+0x2356
ip_deliver(ffff800020e39538,ffff800020e39544,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668
ip_ours(ffff800020e39538,ffff800020e39544,ffff800020e18270,0) at ip_ours+0x412
ip_input_if(ffff800020e39538,ffff800020e39544,4,0,ffff80000017b2a8) at ip_input_if+0x6ce
ipv4_input(ffff80000017b2a8,fffffd8067616e00) at ipv4_input+0x48 sys/netinet/ip_input.c:215
ether_input(ffff80000017b2a8,fffffd8067616e00,0) at ether_input+0x345 sys/net/if_ethersubr.c:461
if_input_process(ffff80000017b2a8,ffff800020e39668) at if_input_process+0xfb if_ih_input sys/net/if.c:909 [inline]
if_input_process(ffff80000017b2a8,ffff800020e39668) at if_input_process+0xfb sys/net/if.c:943
ifiq_process(ffff80000017b6a0) at ifiq_process+0x80 sys/net/ifq.c:646
taskq_thread(ffff80000002b080) at taskq_thread+0x9c sys/kern/kern_task.c:369
end trace frame: 0x0, count: -23
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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Greg Steuck
May 10, 2020, 10:43:05 AM5/10/20
to syzbot, syzkaller-o...@googlegroups.com
#syz dup: pool: cpu free list modified: mbufpl
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