login: kernel: protection fault trap, code=0
Stopped at ktrops+0x4a: movq 0x8(%rbx),%r14
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
the kernel did not panic
ddb{1}> trace
ktrops(ffff800021211ce0,dead4110dead4110,0,bf787090,fffffd806e227970,fffffd807f7d87e0) at ktrops+0x4a ktrcanset sys/kern/kern_ktrace.c:702 [inline]
ktrops(ffff800021211ce0,dead4110dead4110,0,bf787090,fffffd806e227970,fffffd807f7d87e0) at ktrops+0x4a sys/kern/kern_ktrace.c:547
doktrace(fffffd806e227970,4,3f787090,0,ffff800021211ce0) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:572 [inline]
doktrace(fffffd806e227970,4,3f787090,0,ffff800021211ce0) at doktrace+0x514 sys/kern/kern_ktrace.c:494
sys_ktrace(ffff800021211ce0,ffff80002123c448,ffff80002123c4a0) at sys_ktrace+0xd2 sys/kern/kern_ktrace.c:535
syscall(ffff80002123c510) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002123c510) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffcc300, count: -5
ddb{1}> show registers
rdi 0xffff800021211ce0
rsi 0xdead4110dead4110
rbp 0xffff80002123c230
rbx 0xdead4110dead4110
rdx 0
rcx 0xbf787090
rax 0x1
r8 0xfffffd806e227970
r9 0xfffffd807f7d87e0
r10 0x60797d7b5b31112e
r11 0xc88ca0f8c7b61134
r12 0xdead4110dead4110
r13 0xfffffd807f7d87e0
r14 0xffff800021211ce0
r15 0xbf787090
rip 0xffffffff811bc6ea ktrops+0x4a
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002123c1b0
ss 0x10
ktrops+0x4a: movq 0x8(%rbx),%r14
ddb{1}> show proc
PROC (syz-executor1494) pid=336099 stat=onproc
flags process=0 proc=0
pri=17, usrpri=62, nice=20
forw=0xffffffffffffffff, list=0xffff8000211927e8,0xffff800021211a50
process=0xffff8000ffffadc0 user=0xffff800021237000, vmspace=0xfffffd807efff730
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
54860 330635 83934 0 3 0 biowait syz-executor1494
*39427 336099 1163 0 7 0 syz-executor1494
1163 225704 9157 0 3 0x80 nanoslp syz-executor1494
66411 272433 9157 0 2 0 syz-executor1494
83934 318387 9157 0 3 0x80 nanoslp syz-executor1494
31282 59048 9157 0 3 0x80 nanoslp syz-executor1494
9157 88144 65446 0 3 0x82 nanoslp syz-executor1494
65446 117060 40498 0 3 0x10008a sigsusp ksh
40498 145284 65888 0 3 0x9a poll sshd
41559 375903 1 0 3 0x100083 ttyin getty
65888 48951 1 0 3 0x88 poll sshd
45391 240751 97109 74 3 0x100092 bpf pflogd
97109 470069 1 0 3 0x80 netio pflogd
78626 194977 87330 73 7 0x100010 syslogd
87330 481827 1 0 3 0x100082 netio syslogd
8686 405985 1 0 3 0x100080 kqread resolvd
71513 381772 4017 77 3 0x100092 kqread dhcpleased
71381 132316 4017 77 3 0x100092 kqread dhcpleased
4017 67074 1 0 3 0x80 kqread dhcpleased
1643 141016 0 0 3 0x14200 bored smr
8645 367231 0 0 3 0x14200 pgzero zerothread
96844 411223 0 0 3 0x14200 aiodoned aiodoned
32958 141475 0 0 3 0x14200 syncer update
6958 420947 0 0 3 0x14200 cleaner cleaner
94107 198521 0 0 3 0x14200 reaper reaper
27027 32462 0 0 3 0x14200 pgdaemon pagedaemon
22220 360384 0 0 3 0x14200 bored viomb
28961 436634 0 0 3 0x40014200 acpi0 acpi0
89160 390789 0 0 3 0x40014200 idle1
12172 70231 0 0 3 0x14200 bored softnet
64131 393080 0 0 3 0x14200 bored systqmp
16674 155300 0 0 3 0x14200 bored systq
66787 314189 0 0 3 0x40014200 bored softclock
11335 64200 0 0 3 0x40014200 idle0
1 366161 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 54860 (syz-executor1494) thread 0xffff800021211a40 (330635)
exclusive rrwlock inode r = 0 (0xfffffd806ee14f88)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1830
#8 ufs_create+0x41 sys/ufs/ufs/ufs_vnops.c:152
#9 VOP_CREATE+0xbc sys/kern/vfs_vops.c:103
#10 vn_open+0x28f sys/kern/vfs_vnops.c:122
#11 doopenat+0x26a sys/kern/vfs_syscalls.c:1128
#12 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#12 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#13 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806ee14a38)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413
#6 namei+0x36a sys/kern/vfs_lookup.c:245
#7 vn_open+0x188 sys/kern/vfs_vnops.c:113
#8 doopenat+0x26a sys/kern/vfs_syscalls.c:1128
#9 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#9 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#10 Xsyscall+0x128
Process 39427 (syz-executor1494) thread 0xffff800021211ce0 (336099)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff829cd5e8)
#0 witness_lock+0x44d
#1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416
#3 sleep_finish+0x1b2 sys/kern/kern_synch.c:433
#4 tsleep+0x12c sys/kern/kern_synch.c:158
#5 getblk+0x13c sys/kern/vfs_bio.c:1031
#6 bread+0x3a bio_doread sys/kern/vfs_bio.c:436 [inline]
#6 bread+0x3a sys/kern/vfs_bio.c:481
#7 ffs_update+0x14b sys/ufs/ffs/ffs_inode.c:91
#8 ufs_inactive+0x25f sys/ufs/ufs/ufs_inode.c:110
#9 VOP_INACTIVE+0xc4 sys/kern/vfs_vops.c:505
#10 vrele+0xd2 sys/kern/vfs_subr.c:824
#11 ktrsettrace+0xb3 sys/kern/kern_ktrace.c:124
#12 ktrops+0x1a4 sys/kern/kern_ktrace.c:550
#13 doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:572 [inline]
#13 doktrace+0x514 sys/kern/kern_ktrace.c:494
#14 sys_ktrace+0xd2 sys/kern/kern_ktrace.c:535
#15 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#15 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#16 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10144 6454K 6455K 78643K 11234 0
pcb 13 8K 8K 78643K 13 0
rtable 62 2K 2K 78643K 112 0
ifaddr 29 8K 8K 78643K 30 0
counters 40 33K 33K 78643K 40 0
ioctlops 0 0K 4K 78643K 1479 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1179 74K 74K 78643K 1184 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 1K 1K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 1 0K 0K 78643K 1 0
proc 67 87K 87K 78643K 281 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 11 0K 0K 78643K 11 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 25 122K 122K 78643K 25 0
exec 0 0K 2K 78643K 344 0
tdb 3 0K 0K 78643K 3 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 113 36K 36K 78643K 10766 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 4 0K 0K 78643K 4 0
temp 24 4186K 4262K 78643K 77450 0
kqueue 9 12K 12K 78643K 9 0
SYN cache 2 16K 16K 78643K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 17 0 14 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 128 18159 0 18144 1 0 1 1 0 8 0
syncache 296 5 0 5 2 2 0 1 0 8 0
tcpcb 736 7 0 4 1 0 1 1 0 8 0
arp 120 2 0 0 1 0 1 1 0 8 0
inpcb 304 29 0 23 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 6 0 5 2 1 1 1 0 8 0
pfstkey 112 6 0 5 2 1 1 1 0 8 0
pfstate 320 6 0 5 2 1 1 1 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 97 0 0 7 0 7 7 0 8 0
art_table 32 98 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 19537 0 15853 231 0 231 231 0 8 0
ffsino 272 19537 0 15853 246 0 246 246 0 8 0
nchpl 144 37831 0 36283 58 0 58 58 0 8 0
uvmvnodes 80 19547 0 0 399 0 399 399 0 8 0
vnodes 224 19547 0 0 1150 0 1150 1150 0 8 0
namei 1024 76604 0 76603 2 1 1 1 0 8 0
percpumem 16 32 0 0 1 0 1 1 0 8 0
scxspl 216 254635 0 254634 67 64 3 8 0 8 2
plimitpl 152 20 0 9 1 0 1 1 0 8 0
sigapl 424 9317 0 9282 5 0 5 5 0 8 1
knotepl 112 23 0 0 1 0 1 1 0 8 0
kqueuepl 216 5 0 0 1 0 1 1 0 8 0
pipepl 336 67 0 64 2 1 1 1 0 8 0
fdescpl 496 9303 0 9282 3 0 3 3 0 8 0
filepl 152 37312 0 37251 3 0 3 3 0 8 0
lockfpl 104 6 0 4 1 0 1 1 0 8 0
lockfspl 48 4 0 2 1 0 1 1 0 8 0
sessionpl 144 22 0 9 1 0 1 1 0 8 0
pgrppl 48 22 0 9 1 0 1 1 0 8 0
ucredpl 96 69 0 57 1 0 1 1 0 8 0
zombiepl 144 9282 0 9281 2 1 1 1 0 8 0
processpl 1064 9317 0 9281 3 0 3 3 0 8 0
procpl 672 9317 0 9281 4 0 4 4 0 8 0
sockpl 480 18205 0 18181 10 5 5 5 0 8 1
mcl64k 65536 28 0 0 4 0 4 4 0 8 0
mcl12k 12288 18 0 0 2 0 2 2 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 65 0 0 8 0 8 8 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 126 0 0 7 0 7 7 0 8 0
bufpl 288 178485 0 153748 1768 0 1768 1768 0 8 0
anonpl 24 705715 0 702947 23 4 19 19 0 186 1
amapchunkpl 152 12107 0 11923 9 1 8 8 0 158 0
amappl16 200 45410 0 45401 2 0 2 2 0 8 1
amappl13 176 18 0 17 2 1 1 1 0 8 0
amappl12 168 18 0 18 2 2 0 1 0 8 0
amappl11 160 53 0 39 1 0 1 1 0 8 0
amappl10 152 23 0 18 1 0 1 1 0 8 0
amappl9 144 448 0 446 1 0 1 1 0 8 0
amappl8 136 263 0 263 2 2 0 1 0 8 0
amappl7 128 48 0 45 1 0 1 1 0 8 0
amappl6 120 100 0 90 1 0 1 1 0 8 0
amappl5 112 188 0 168 1 0 1 1 0 8 0
amappl4 104 502 0 484 1 0 1 1 0 8 0
amappl3 96 9198 0 9184 1 0 1 1 0 8 0
amappl2 88 312 0 278 1 0 1 1 0 8 0
amappl1 80 52910 0 52500 11 2 9 9 0 8 0
amappl 88 10516 0 10428 3 0 3 3 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 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 72 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 9303 0 9282 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 9303 0 9282 1 0 1 1 0 8 0
vmmpekpl 168 24840 0 24822 1 0 1 1 0 8 0
vmmpepl 168 340039 0 339003 54 5 49 49 0 357 3
vmsppl 368 9302 0 9282 3 0 3 3 0 8 1
rwobjpl 56 72137 0 52002 288 4 284 284 0 8 0
pdppl 4096 18614 0 18564 70 16 54 54 0 8 4
pvpl 32 1139093 0 1134336 53 11 42 43 0 265 2
pmappl 248 9302 0 9282 2 0 2 2 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 2360 0 21 67 0 67 67 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff82832ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff829cd3e0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff829cd3e0) at __mp_lock+0x122 sys/kern/kern_lock.c:147
intr_handler(ffff800021206560,ffff80000004ad00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
__mp_lock(ffffffff829cd3e0) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff829cd3e0) at __mp_lock+0x129 sys/kern/kern_lock.c:147
kqueue_scan(ffff800021206850,8,ffff800021206750,ffff800021206940,ffff8000ffff6d30,ffff80002120699c) at kqueue_scan+0xd2 sys/kern/kern_event.c:1289
sys_kevent(ffff8000ffff6d30,ffff800021206a00,ffff800021206a60) at sys_kevent+0x47b sys/kern/kern_event.c:981
syscall(ffff800021206ad0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021206ad0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffdbbb0, count: -11
ddb{0}> machine ddbcpu 1
Stopped at ktrops+0x4a: movq 0x8(%rbx),%r14
ddb{1}> trace
ktrops(ffff800021211ce0,dead4110dead4110,0,bf787090,fffffd806e227970,fffffd807f7d87e0) at ktrops+0x4a ktrcanset sys/kern/kern_ktrace.c:702 [inline]
ktrops(ffff800021211ce0,dead4110dead4110,0,bf787090,fffffd806e227970,fffffd807f7d87e0) at ktrops+0x4a sys/kern/kern_ktrace.c:547
doktrace(fffffd806e227970,4,3f787090,0,ffff800021211ce0) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:572 [inline]
doktrace(fffffd806e227970,4,3f787090,0,ffff800021211ce0) at doktrace+0x514 sys/kern/kern_ktrace.c:494
sys_ktrace(ffff800021211ce0,ffff80002123c448,ffff80002123c4a0) at sys_ktrace+0xd2 sys/kern/kern_ktrace.c:535
syscall(ffff80002123c510) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002123c510) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffcc300, count: -5