kernel: protection fault trap, code=0
Stopped at ktrops+0x4e: 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(ffff80002a18b2c8,deaf4152deaf4152,0,80000100,fffffd806bf03cf8,fffffd807f7d76e8) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline]
ktrops(ffff80002a18b2c8,deaf4152deaf4152,0,80000100,fffffd806bf03cf8,fffffd807f7d76e8) at ktrops+0x4e sys/kern/kern_ktrace.c:561
doktrace(fffffd806bf03cf8,4,100,ffffffff,ffff80002a18b2c8) at doktrace+0x428 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline]
doktrace(fffffd806bf03cf8,4,100,ffffffff,ffff80002a18b2c8) at doktrace+0x428 sys/kern/kern_ktrace.c:493
sys_ktrace(ffff80002a18b2c8,ffff80002a21c070,ffff80002a21bfc0) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549
syscall(ffff80002a21c070) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a21c070) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x78b9923ccdf0, count: -5
ddb{1}> show registers
rdi 0xffff80002a18b2c8
rsi 0xdeaf4152deaf4152
rbp 0xffff80002a21bd90
rbx 0xdeaf4152deaf4152
rdx 0
rcx 0x80000100 __kernel_virt_to_phys+0x100
rax 0x1
r8 0xfffffd806bf03cf8
r9 0xfffffd807f7d76e8
r10 0x2bc8c6d0ea921195
r11 0x6aeb17124adc0b02
r12 0xffff8000fffff9b0
r13 0xfffffd807f7d76e8
r14 0xffff80002a18b2c8
r15 0x80000100 __kernel_virt_to_phys+0x100
rip 0xffffffff824b857e ktrops+0x4e
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002a21bd10
ss 0x10
ktrops+0x4e: movq 0x8(%rbx),%r14
ddb{1}> show proc
PROC (syz-executor1223144785) tid=399361 pid=14937 tcnt=1 stat=onproc
flags process=0 proc=0
runpri=17, usrpri=59, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a146548,0xffff80002a18b580
process=0xffff8000ffff0488 user=0xffff80002a217000, vmspace=0xfffffd80786a71d8
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
17738 134409 31801 0 3 0 biowait syz-executor1223144785
95257 252749 16514 0 7 0 syz-executor1223144785
*14937 399361 85843 0 7 0 syz-executor1223144785
22412 88143 64298 0 2 0x480 syz-executor1223144785
31668 24518 64298 0 2 0 syz-executor1223144785
85843 296198 64298 0 3 0x80 nanoslp syz-executor1223144785
31801 377753 64298 0 3 0x80 nanoslp syz-executor1223144785
93023 335829 64298 0 2 0 syz-executor1223144785
16514 186507 64298 0 3 0x80 nanoslp syz-executor1223144785
50613 510552 64298 0 3 0x80 nanoslp syz-executor1223144785
59648 362575 64298 0 2 0 syz-executor1223144785
64298 292789 10161 0 3 0x82 nanoslp syz-executor1223144785
10161 477722 51869 0 3 0x10008a sigsusp ksh
51869 35301 69262 0 3 0x9a kqread sshd
87066 78195 1 0 3 0x100083 ttyin getty
69262 176035 1 0 3 0x88 kqread sshd
3844 92304 32029 74 3 0x1100092 bpf pflogd
32029 97460 1 0 3 0x80 netio pflogd
65084 447059 6726 73 3 0x1100090 kqread syslogd
6726 408730 1 0 3 0x100082 netio syslogd
43100 277774 1 0 3 0x100080 kqread resolvd
77204 170592 41610 77 3 0x100092 kqread dhcpleased
91970 129927 41610 77 3 0x100092 kqread dhcpleased
41610 62969 1 0 3 0x80 kqread dhcpleased
76504 204397 0 0 3 0x14200 bored smr
93896 62641 0 0 3 0x14200 pgzero zerothread
89275 379805 0 0 3 0x14200 aiodoned aiodoned
31997 97022 0 0 3 0x14200 syncer update
3783 399980 0 0 3 0x14200 cleaner cleaner
15413 189471 0 0 3 0x14200 reaper reaper
84786 309768 0 0 3 0x14200 pgdaemon pagedaemon
85928 456295 0 0 3 0x14200 bored viomb
50123 130501 0 0 3 0x40014200 acpi0 acpi0
70572 369079 0 0 3 0x40014200 idle1
51875 1184 0 0 3 0x14200 bored softnet3
29207 122345 0 0 3 0x14200 bored softnet2
94063 30316 0 0 3 0x14200 bored softnet1
14818 58606 0 0 3 0x14200 bored softnet0
23838 311512 0 0 3 0x14200 bored systqmp
71741 298809 0 0 3 0x14200 bored systq
9880 124618 0 0 3 0x14200 tmoslp softclockmp
26170 249753 0 0 3 0x40014200 tmoslp softclock
87733 222092 0 0 3 0x40014200 idle0
1 434078 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 17738 (syz-executor1223144785) thread 0xffff80002a18bd68 (134409)
exclusive rrwlock inode r = 0 (0xfffffd806be81098)
#0 witness_lock+0x447
#1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230
#6 ffs_inode_alloc+0x1c5 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1743
#8 ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147
#9 VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103
#10 vn_open+0x27b sys/kern/vfs_vnops.c:116
#11 doopenat+0x26e sys/kern/vfs_syscalls.c:1126
#12 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#12 syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#13 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806be816f8)
#0 witness_lock+0x447
#1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418
#6 namei+0x55a sys/kern/vfs_lookup.c:250
#7 vn_open+0x17b sys/kern/vfs_vnops.c:107
#8 doopenat+0x26e sys/kern/vfs_syscalls.c:1126
#9 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#9 syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#10 Xsyscall+0x128
Process 14937 (syz-executor1223144785) thread 0xffff80002a18b2c8 (399361)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d95a40)
#0 witness_lock+0x447
#1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2 mi_switch+0x46f sys/kern/sched_bsd.c:470
#3 sleep_finish+0x19b sys/kern/kern_synch.c:414
#4 getblk+0x14c sys/kern/vfs_bio.c:1025
#5 bread+0x3e bio_doread sys/kern/vfs_bio.c:430 [inline]
#5 bread+0x3e sys/kern/vfs_bio.c:475
#6 ffs_update+0x14f sys/ufs/ffs/ffs_inode.c:91
#7 ufs_inactive+0x229 sys/ufs/ufs/ufs_inode.c:95
#8 VOP_INACTIVE+0xc5 sys/kern/vfs_vops.c:489
#9 vrele+0xd3 sys/kern/vfs_subr.c:827
#10 ktrsettrace+0xb7 sys/kern/kern_ktrace.c:122
#11 ktrops+0x1a8 sys/kern/kern_ktrace.c:564
#12 doktrace+0x428 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline]
#12 doktrace+0x428 sys/kern/kern_ktrace.c:493
#13 sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549
#14 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#14 syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#15 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10155 6455K 6456K 166960K 11233 0
pcb 15 10K 10K 166960K 15 0
rtable 58 1K 2K 166960K 108 0
pf 15 6K 10K 166960K 26 0
ifaddr 13 9K 9K 166960K 13 0
ifgroup 22 1K 1K 166960K 22 0
counters 48 34K 34K 166960K 48 0
ioctlops 0 0K 4K 166960K 1475 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1176 74K 74K 166960K 1192 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 1K 166960K 2 0
VM map 2 1K 1K 166960K 2 0
sem 2 0K 0K 166960K 2 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 1 0K 0K 166960K 1 0
proc 67 91K 91K 166960K 302 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
in_multi 11 0K 0K 166960K 11 0
ether_multi 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 25 122K 122K 166960K 25 0
exec 0 0K 1K 166960K 260 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 126 6K 6K 166960K 3031 0
UVM aobj 3 2K 2K 166960K 3 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 4 0K 0K 166960K 4 0
temp 1 6756K 6820K 166960K 4116 0
kqueue 11 16K 18K 166960K 24 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 24 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 144 35 0 20 1 0 1 1 0 8 0
syncache 336 5 0 5 2 1 1 1 0 8 1
tcpqe 32 223 0 223 1 1 0 1 0 8 0
tcpcb 808 8 0 5 1 0 1 1 0 8 0
arp 120 2 0 0 1 0 1 1 0 8 0
inpcb 392 33 0 27 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 9 0 2 1 0 1 1 0 8 0
pfstkey 128 9 0 2 1 0 1 1 0 8 0
pfstate 376 9 0 2 1 0 1 1 0 8 0
pfrule 1344 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 2524 0 882 103 0 103 103 0 8 0
ffsino 272 2524 0 882 110 0 110 110 0 8 0
nchpl 144 3792 0 2193 60 0 60 60 0 8 0
uvmvnodes 80 2538 0 0 52 0 52 52 0 8 0
vnodes 216 2538 0 0 141 0 141 141 0 8 0
namei 1024 9382 0 9381 3 1 2 2 0 8 1
percpumem 16 38 0 0 1 0 1 1 0 8 0
kstatmem 264 8 0 0 1 0 1 1 0 8 0
scxspl 216 10643 0 10642 10 8 2 8 1 8 1
plimitpl 152 17 0 10 1 0 1 1 0 8 0
sigapl 424 879 0 833 6 0 6 6 0 8 0
knotepl 120 55 0 0 2 0 2 2 0 8 0
kqueuepl 216 20 0 13 1 0 1 1 0 8 0
pipepl 320 91 0 88 2 1 1 1 0 8 0
fdescpl 496 861 0 835 4 0 4 4 0 8 0
filepl 152 2336 0 2272 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 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 104 71 0 59 1 0 1 1 0 8 0
zombiepl 144 835 0 833 2 1 1 1 0 8 0
processpl 1136 879 0 833 4 0 4 4 0 8 0
procpl 680 879 0 833 5 0 5 5 0 8 0
sockpl 584 85 0 61 2 0 2 2 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 7 0 0 1 0 1 1 0 8 0
mcl2k 2048 380 0 0 48 0 48 48 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 408 0 0 26 0 26 26 0 8 0
bufpl 280 3663 0 90 256 0 256 256 0 8 0
anonpl 24 169895 0 167702 25 11 14 23 0 186 0
amapchunkpl 152 9227 0 9005 10 1 9 9 0 158 0
amappl16 200 4919 0 4908 5 4 1 4 0 8 0
amappl15 192 11 0 10 1 0 1 1 0 8 0
amappl14 184 116 0 105 1 0 1 1 0 8 0
amappl13 176 12 0 12 1 1 0 1 0 8 0
amappl12 168 842 0 820 2 1 1 2 0 8 0
amappl11 160 74 0 59 1 0 1 1 0 8 0
amappl10 152 20 0 20 2 1 1 1 0 8 1
amappl9 144 366 0 366 1 1 0 1 0 8 0
amappl8 136 47 0 45 1 0 1 1 0 8 0
amappl7 128 96 0 84 1 0 1 1 0 8 0
amappl6 120 122 0 117 1 0 1 1 0 8 0
amappl5 112 100 0 89 1 0 1 1 0 8 0
amappl4 104 922 0 891 1 0 1 1 0 8 0
amappl3 96 1488 0 1436 3 1 2 2 0 8 0
amappl2 88 592 0 537 2 0 2 2 0 8 0
amappl1 80 11282 0 10766 16 4 12 12 0 8 1
amappl 88 2738 0 2658 2 0 2 2 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 24 861 0 835 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 861 0 835 1 0 1 1 0 8 0
vmmpekpl 168 8363 0 8348 1 0 1 1 0 8 0
vmmpepl 168 46655 0 45342 66 6 60 60 0 357 2
vmsppl 448 860 0 835 5 1 4 4 0 8 1
rwobjpl 56 19174 0 15871 48 1 47 47 0 8 0
pdppl 4096 1729 0 1670 87 24 63 67 0 8 4
pvpl 32 6806 0 0 55 0 55 55 0 265 0
pmappl 248 860 0 835 2 0 2 2 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 408 0 29 11 0 11 11 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff82d7eff0) at x86_ipi_db+0x1e 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+0x27
__mp_lock(ffffffff82d95838) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82d95838) at __mp_lock+0x122 sys/kern/kern_lock.c:147
intr_handler(ffff80002a2227b0,ffff80000067b300) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539
Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:154
syscall(ffff80002a222990) at syscall+0x51a mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a222990) at syscall+0x51a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x78b9923ccdf0, count: -9
ddb{0}> machine ddbcpu 1
Stopped at ktrops+0x4e: movq 0x8(%rbx),%r14
ddb{1}> trace
ktrops(ffff80002a18b2c8,deaf4152deaf4152,0,80000100,fffffd806bf03cf8,fffffd807f7d76e8) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline]
ktrops(ffff80002a18b2c8,deaf4152deaf4152,0,80000100,fffffd806bf03cf8,fffffd807f7d76e8) at ktrops+0x4e sys/kern/kern_ktrace.c:561
doktrace(fffffd806bf03cf8,4,100,ffffffff,ffff80002a18b2c8) at doktrace+0x428 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline]
doktrace(fffffd806bf03cf8,4,100,ffffffff,ffff80002a18b2c8) at doktrace+0x428 sys/kern/kern_ktrace.c:493
sys_ktrace(ffff80002a18b2c8,ffff80002a21c070,ffff80002a21bfc0) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549
syscall(ffff80002a21c070) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a21c070) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x78b9923ccdf0, count: -5
ddb{1}>