panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_page.c", line 144
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 8403 86436 0 0x802 0x2000 1K syz-executor
17492 10941 0 0x14000 0x200 0 reaper
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83447ce1) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8348ab42,ffffffff833e26e6,90,ffffffff8342884d) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd800952da20,fffffd806caab858,1fa51000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd806caab858,1fa51000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd806caab800,7e9450666000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd806caab800,7e9450666000,6f988000,3,21) at pmap_enter+0x38a sys/arch/amd64/amd64/pmap.c:-1
uvm_fault_upper(ffff800042c3f0a0,ffff800042c3f0d8,ffff800042c3efa0) at uvm_fault_upper+0x338 sys/uvm/uvm_fault.c:1131
uvm_fault(fffffd807597f018,7e9450666000,0,1) at uvm_fault+0x198 sys/uvm/uvm_fault.c:635
kpageflttrap(ffff800042c3f250,7e9450666bc8) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff800042c3f250) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x5b
ffs_write(ffff800042c3f490) at ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
end trace frame: 0xffff800042c3f500, count: 0
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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_page.c", line 144
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83447ce1) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8348ab42,ffffffff833e26e6,90,ffffffff8342884d) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd800952da20,fffffd806caab858,1fa51000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd806caab858,1fa51000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd806caab800,7e9450666000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd806caab800,7e9450666000,6f988000,3,21) at pmap_enter+0x38a sys/arch/amd64/amd64/pmap.c:-1
uvm_fault_upper(ffff800042c3f0a0,ffff800042c3f0d8,ffff800042c3efa0) at uvm_fault_upper+0x338 sys/uvm/uvm_fault.c:1131
uvm_fault(fffffd807597f018,7e9450666000,0,1) at uvm_fault+0x198 sys/uvm/uvm_fault.c:635
kpageflttrap(ffff800042c3f250,7e9450666bc8) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff800042c3f250) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x5b
ffs_write(ffff800042c3f490) at ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
VOP_WRITE(fffffd806ac198b8,ffff800042c3f528,1,fffffd80097fd478) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_rdwr(1,fffffd806ac198b8,7e9450666bc8,b0,3e0,0,df6b1e0541fc299,ffff800042c3f9b0,0,b0) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324
coredump_write(ffff800042c3f9b0,0,7e9450666bc8,b0,0) at coredump_write+0x101 sys/kern/kern_sig.c:2040
coredump_notes_elf(ffff8000fffe7ca8,ffff800042c3f9b0,ffff800042c3f7b8) at coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
coredump_elf(ffff8000fffe7ca8,ffff800042c3f9b0) at coredump_elf+0x10c sys/kern/exec_elf.c:1184
coredump(ffff8000fffe7ca8) at coredump+0x73a sys/kern/kern_sig.c:2011
sigexit(ffff8000fffe7ca8,5) at sigexit+0xd7 sys/kern/kern_sig.c:1833
trapsignal(ffff8000fffe7ca8,5,1,1,46aa5fe458b) at trapsignal+0x87e
usertrap(ffff800042c3fc20) at usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7e9450666b40, count: -24
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff800042c3ebd0
rbx 0xffff8000299bee07
rdx 0
rcx 0xffff8000fffe7ca8
rax 0xffff8000299bdff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xd47d84f791cb3c0
r11 0xb00f6aa71137b473
r12 0xffff8000299bec08
r13 0
r14 0
r15 0x1
rip 0xffffffff8307c625 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff800042c3ebc0
ss 0
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=8403 pid=86436 tcnt=1 stat=onproc
flags process=802<EXEC,COREDUMP> proc=2000<WEXIT>
runpri=50, usrpri=50, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000fffe6a80,0xffffffff83ac6cc8
process=0xffff8000ffff1cf0 user=0xffff800042c3a000, vmspace=0xfffffd807597f018
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*86436 8403 46193 0 7 0x2802 syz-executor
95566 470583 62962 0 3 0x2 clonelk ifconfig
62962 224754 27790 0 3 0x10008a sigsusp sh
27790 57358 77112 0 3 0x80 wait syz-executor
77112 37188 46193 0 3 0x82 wait syz-executor
3167 259497 66620 0 3 0x2 clonelk ifconfig
66620 74621 71263 0 3 0x10008a sigsusp sh
71263 59089 17332 0 3 0x80 wait syz-executor
49174 280854 7863 0 3 0x2 clonelk ifconfig
7863 428181 13617 0 3 0x10008a sigsusp sh
13617 464778 44726 0 3 0x80 wait syz-executor
19230 210899 93915 0 3 0x2 clonelk ifconfig
17332 497823 46193 0 3 0x82 wait syz-executor
19599 300068 34938 0 3 0x2 clonelk ifconfig
44726 42861 46193 0 3 0x82 wait syz-executor
93915 31460 93379 0 3 0x10008a sigsusp sh
93379 341202 31463 0 3 0x80 wait syz-executor
63904 203492 73361 0 3 0x2 clonelk ifconfig
34938 9330 51099 0 3 0x10008a sigsusp sh
73361 82157 26806 0 3 0x10008a sigsusp sh
51099 27912 32286 0 3 0x80 wait syz-executor
31463 515606 46193 0 3 0x82 wait syz-executor
26806 192859 17195 0 3 0x80 wait syz-executor
32286 336670 46193 0 3 0x82 wait syz-executor
17195 290766 46193 0 3 0x82 wait syz-executor
46193 244751 18768 0 3 0x82 nanoslp syz-executor
18768 478995 57436 0 3 0x10008a sigsusp ksh
57436 474410 58520 0 3 0x98 kqread sshd-session
58520 120423 54582 0 3 0x92 kqread sshd-session
51817 186166 1 0 3 0x100083 ttyin getty
54582 444796 1 0 3 0x88 kqread sshd
52802 186429 75267 73 3 0x1100090 kqread syslogd
75267 335291 1 0 3 0x100082 sbwait syslogd
22279 391853 1 0 3 0x100080 kqread resolvd
58329 283952 49893 77 3 0x100092 kqread dhcpleased
24242 118140 49893 77 3 0x100092 kqread dhcpleased
49893 417123 1 0 3 0x80 kqread dhcpleased
77444 437576 0 0 3 0x14200 bored smr
7104 121709 0 0 3 0x14200 pgzero zerothread
64045 256095 0 0 3 0x14200 aiodoned aiodoned
690 138161 0 0 3 0x14200 syncer update
257 484883 0 0 3 0x14200 cleaner cleaner
10941 17492 0 0 7 0x14200 reaper
22216 191092 0 0 3 0x14200 pgdaemon pagedaemon
85148 35457 0 0 3 0x14200 bored viomb
54158 402674 0 0 3 0x40014200 acpi0 acpi0
42129 150821 0 0 3 0x40014200 idle1
25969 376187 0 0 3 0x14200 bored softnet1
68982 79673 0 0 3 0x14200 bored softnet0
63283 448450 0 0 3 0x14200 smrbar systqmp
39331 33269 0 0 3 0x14200 bored systq
92416 348858 0 0 3 0x14200 tmoslp softclockmp
50308 373252 0 0 3 0x40014200 tmoslp softclock
71144 321358 0 0 3 0x40014200 idle0
1 38168 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806caab810)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2 pmap_enter+0x24b rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline]
#2 pmap_enter+0x24b pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline]
#2 pmap_enter+0x24b sys/arch/amd64/amd64/pmap.c:2767
#3 uvm_fault_upper+0x338 sys/uvm/uvm_fault.c:1131
#4 uvm_fault+0x198 sys/uvm/uvm_fault.c:635
#5 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
#6 kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
#7 alltraps_kern_meltdown+0x7b
#8 _copyin+0x5b
#9 ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
#10 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
#11 vn_rdwr+0x12d sys/kern/vfs_vnops.c:324
#12 coredump_write+0x101 sys/kern/kern_sig.c:2040
#13 coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
#14 coredump_elf+0x10c sys/kern/exec_elf.c:1184
#15 coredump+0x73a sys/kern/kern_sig.c:2011
#16 sigexit+0xd7 sys/kern/kern_sig.c:1833
#17 trapsignal+0x87e
#18 usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
Process 86436 (syz-executor) thread 0xffff8000fffe7ca8 (8403)
shared rwlock amaplk r = 0 (0xfffffd806b1f4e18)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413
#2 uvm_fault_check+0x8a9 sys/uvm/uvm_fault.c:834
#3 uvm_fault+0x106 sys/uvm/uvm_fault.c:627
#4 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
#5 kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
#6 alltraps_kern_meltdown+0x7b
#7 _copyin+0x5b
#8 ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
#9 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
#10 vn_rdwr+0x12d sys/kern/vfs_vnops.c:324
#11 coredump_write+0x101 sys/kern/kern_sig.c:2040
#12 coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
#13 coredump_elf+0x10c sys/kern/exec_elf.c:1184
#14 coredump+0x73a sys/kern/kern_sig.c:2011
#15 sigexit+0xd7 sys/kern/kern_sig.c:1833
#16 trapsignal+0x87e
#17 usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
#18 recall_trap+0x8
shared rwlock vmmaplk r = 0 (0xfffffd807597f118)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413
#2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
#3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
#4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627
#5 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
#6 kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
#7 alltraps_kern_meltdown+0x7b
#8 _copyin+0x5b
#9 ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
#10 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
#11 vn_rdwr+0x12d sys/kern/vfs_vnops.c:324
#12 coredump_write+0x101 sys/kern/kern_sig.c:2040
#13 coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
#14 coredump_elf+0x10c sys/kern/exec_elf.c:1184
#15 coredump+0x73a sys/kern/kern_sig.c:2011
#16 sigexit+0xd7 sys/kern/kern_sig.c:1833
#17 trapsignal+0x87e
#18 usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
exclusive rrwlock inode r = 0 (0xfffffd806ac527c8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vn_rdwr+0xd1 sys/kern/vfs_vnops.c:320
#6 coredump_write+0x101 sys/kern/kern_sig.c:2040
#7 coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
#8 coredump_elf+0x10c sys/kern/exec_elf.c:1184
#9 coredump+0x73a sys/kern/kern_sig.c:2011
#10 sigexit+0xd7 sys/kern/kern_sig.c:1833
#11 trapsignal+0x87e
#12 usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
#13 recall_trap+0x8
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83ac0c00)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
#2 coredump_write+0xb8 sys/kern/kern_sig.c:2039
#3 coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
#4 coredump_elf+0x10c sys/kern/exec_elf.c:1184
#5 coredump+0x73a sys/kern/kern_sig.c:2011
#6 sigexit+0xd7 sys/kern/kern_sig.c:1833
#7 trapsignal+0x87e
#8 usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
#9 recall_trap+0x8
exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806caab810)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2 pmap_enter+0x24b rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline]
#2 pmap_enter+0x24b pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline]
#2 pmap_enter+0x24b sys/arch/amd64/amd64/pmap.c:2767
#3 uvm_fault_upper+0x338 sys/uvm/uvm_fault.c:1131
#4 uvm_fault+0x198 sys/uvm/uvm_fault.c:635
#5 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
#6 kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
#7 alltraps_kern_meltdown+0x7b
#8 _copyin+0x5b
#9 ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
#10 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
#11 vn_rdwr+0x12d sys/kern/vfs_vnops.c:324
#12 coredump_write+0x101 sys/kern/kern_sig.c:2040
#13 coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
#14 coredump_elf+0x10c sys/kern/exec_elf.c:1184
#15 coredump+0x73a sys/kern/kern_sig.c:2011
#16 sigexit+0xd7 sys/kern/kern_sig.c:1833
#17 trapsignal+0x87e
#18 usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
Process 10941 (reaper) thread 0xffff8000ffffd9f8 (17492)
exclusive rwlock kmmaplk r = 0 (0xffffffff83aca590)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171
#3 uvm_unmap+0x7d sys/uvm/uvm_map.c:1798
#4 km_free+0x87 sys/uvm/uvm_km.c:714
#5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304
#6 reaper+0x1ca sys/kern/kern_exit.c:493
#7 proc_trampoline+0x10
Process 63283 (systqmp) thread 0xffff8000ffffe000 (448450)
shared rwlock systqmp r = 0 (0xffffffff83934b78)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 taskq_thread+0x12a sys/kern/kern_task.c:442
#2 proc_trampoline+0x10
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11071 12015K 12034K 166960K 12173 0
pcb 17 14K 16K 166960K 19 0
rtable 171 4K 7K 166960K 372 0
pf 25 16K 16K 166960K 31 0
ifaddr 30 5K 7K 166960K 44 0
ifgroup 38 1K 2K 166960K 50 0
sysctl 4 1K 9K 166960K 9 0
counters 64 36K 37K 166960K 70 0
ioctlops 0 0K 2K 166960K 40 0
iov 0 0K 16K 166960K 11 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1338 84K 84K 166960K 1566 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 8 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 15 0
dirhash 12 2K 3K 166960K 24 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 32 118K 129K 166960K 527 0
sigio 0 0K 0K 166960K 4 0
proc 100 196K 196K 166960K 561 0
subproc 99 6K 7K 166960K 261 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 70 0
in_multi 66 4K 7K 166960K 110 0
ether_multi 1 0K 0K 166960K 2 0
mrt 1 0K 0K 166960K 18 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 223 996K 996K 166960K 223 0
exec 0 0K 1K 166960K 491 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 241 189K 221K 166960K 6201 0
UVM aobj 16 2K 2K 166960K 17 0
pinsyscall 53 106K 113K 166960K 1687 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 33 0
NDP 8 0K 2K 166960K 27 0
temp 59 9078K 9141K 166960K 5798 0
kqueue 13 20K 30K 166960K 80 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 26 0 0 1 0 1 1 0 8 0
rtpcb 120 65 0 62 1 0 1 1 0 8 0
rtentry 176 113 0 36 6 0 6 6 0 8 1
unpcb 144 332 0 316 1 0 1 1 0 8 0
syncache 336 9 0 9 1 0 1 1 0 8 1
tcpqe 32 2 0 2 1 0 1 1 0 8 1
tcpcb 736 300 0 294 10 1 9 10 0 8 7
arp 136 18 0 6 1 0 1 1 0 8 0
ipq 40 3 0 0 1 0 1 1 0 8 0
ipqe 40 7 0 2 1 0 1 1 0 8 0
inpcb 328 561 0 546 13 3 10 13 0 8 8
nd6 152 26 0 11 1 0 1 1 0 8 0
kcovpl 48 29 0 18 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 456 0 92 29 0 29 29 0 8 2
art_table 40 457 0 92 5 0 5 5 0 8 0
art_node 32 113 0 43 1 0 1 1 0 8 0
sysvmsgpl 40 6 0 4 1 0 1 1 0 8 0
semupl 112 1 0 1 1 0 1 1 0 8 1
semapl 112 13 0 3 1 0 1 1 0 8 0
shmpl 112 14 0 1 1 0 1 1 0 8 0
dirhash 1024 25 0 8 3 0 3 3 0 8 0
dino2pl 256 2012 0 525 94 1 93 93 0 8 0
ffsino 296 2012 0 525 116 1 115 115 0 8 0
nchpl 144 2608 0 898 64 0 64 64 0 8 0
vnodes 216 2282 0 0 127 0 127 127 0 8 0
namei 1024 8627 0 8626 1 0 1 1 0 8 0
percpumem 16 50 0 3 1 0 1 1 0 8 0
kstatmem 264 24 0 6 2 0 2 2 0 8 0
scxspl 216 9081 0 9081 11 7 4 8 1 8 4
plimitpl 152 239 0 213 2 0 2 2 0 8 0
sigapl 424 790 0 729 7 0 7 7 0 8 0
knotepl 120 331 0 0 11 0 11 11 0 8 0
kqueuepl 224 106 0 97 1 0 1 1 0 8 0
pipepl 344 201 0 172 4 0 4 4 0 8 0
fdescpl 528 774 0 730 4 0 4 4 0 8 0
filepl 160 3922 0 3681 18 0 18 18 0 8 6
lockfpl 104 96 0 93 1 0 1 1 0 8 0
lockfspl 48 41 0 38 1 0 1 1 0 8 0
sessionpl 144 48 0 28 1 0 1 1 0 8 0
pgrppl 48 89 0 62 1 0 1 1 0 8 0
ucredpl 104 613 0 595 1 0 1 1 0 8 0
zombiepl 144 735 0 729 1 0 1 1 0 8 0
processpl 1232 790 0 729 5 0 5 5 0 8 0
procpl 664 1322 0 1261 7 1 6 7 0 8 0
sosppl 176 1 0 1 1 0 1 1 0 8 1
sockpl 752 961 0 927 18 6 12 18 0 8 8
mcl64k 65536 5 0 0 1 0 1 1 0 8 0
mcl16k 16384 2 0 0 1 0 1 1 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 8 0 0 1 0 1 1 0 8 0
mcl4k 4096 110 0 0 14 0 14 14 0 8 0
mcl2k 2048 20 0 0 3 0 3 3 0 8 0
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 317 0 0 20 0 20 20 0 8 0
bufpl 280 2775 0 102 191 0 191 191 0 8 0
anonpl 32 10489 0 0 85 0 85 85 0 246 0
amapchunkpl 152 19334 0 18886 36 3 33 36 0 158 8
amappl16 200 3672 0 3653 21 8 13 17 0 8 8
amappl15 192 6 0 6 1 1 0 1 0 8 0
amappl14 184 423 0 416 1 0 1 1 0 8 0
amappl13 176 124 0 114 1 0 1 1 0 8 0
amappl12 168 1016 0 986 2 0 2 2 0 8 0
amappl11 160 14 0 14 1 1 0 1 0 8 0
amappl10 152 58 0 48 1 0 1 1 0 8 0
amappl9 144 273 0 273 1 1 0 1 0 8 0
amappl8 136 114 0 107 1 0 1 1 0 8 0
amappl7 128 150 0 139 1 0 1 1 0 8 0
amappl6 120 164 0 150 1 0 1 1 0 8 0
amappl5 112 104 0 96 1 0 1 1 0 8 0
amappl4 104 284 0 267 1 0 1 1 0 8 0
amappl3 96 3585 0 3485 5 1 4 4 0 8 0
amappl2 88 586 0 524 2 0 2 2 0 8 0
amappl1 80 12557 0 11935 16 0 16 16 0 8 1
amappl 88 5380 0 5211 5 0 5 5 0 92 0
uvmvnodes 80 111 0 0 3 0 3 3 0 8 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 16 0 1 1 0 1 1 0 8 0
uaddrrnd 24 774 0 730 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 774 0 730 1 0 1 1 0 8 0
vmmpekpl 168 8680 0 8612 4 0 4 4 0 8 0
vmmpepl 168 60516 0 58483 113 2 111 113 0 357 17
vmsppl 488 773 0 730 8 2 6 6 0 8 0
rwobjpl 80 20761 0 19639 28 2 26 28 0 8 0
pdppl 4096 1555 0 1460 143 44 99 99 0 8 4
pvpl 32 17564 0 0 142 0 142 142 0 265 0
pmappl 256 773 0 730 4 1 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 329 0 49 8 0 8 8 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff83912ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb kd_curproc sys/dev/kcov.c:580 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:153
softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
__mp_lock(ffffffff83ac0400) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83ac0400) at __mp_lock+0x192 sys/kern/kern_lock.c:173
reaper(ffff8000ffffd9f8) at reaper+0x211 sys/kern/kern_exit.c:505
end trace frame: 0x0, count: 6
ddb{0}> trace
x86_ipi_db(ffffffff83912ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb kd_curproc sys/dev/kcov.c:580 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:153
softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
__mp_lock(ffffffff83ac0400) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83ac0400) at __mp_lock+0x192 sys/kern/kern_lock.c:173
reaper(ffff8000ffffd9f8) at reaper+0x211 sys/kern/kern_exit.c:505
end trace frame: 0x0, count: -9
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83447ce1) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8348ab42,ffffffff833e26e6,90,ffffffff8342884d) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd800952da20,fffffd806caab858,1fa51000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd806caab858,1fa51000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd806caab800,7e9450666000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd806caab800,7e9450666000,6f988000,3,21) at pmap_enter+0x38a sys/arch/amd64/amd64/pmap.c:-1
uvm_fault_upper(ffff800042c3f0a0,ffff800042c3f0d8,ffff800042c3efa0) at uvm_fault_upper+0x338 sys/uvm/uvm_fault.c:1131
uvm_fault(fffffd807597f018,7e9450666000,0,1) at uvm_fault+0x198 sys/uvm/uvm_fault.c:635
kpageflttrap(ffff800042c3f250,7e9450666bc8) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff800042c3f250) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x5b
ffs_write(ffff800042c3f490) at ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
end trace frame: 0xffff800042c3f500, count: 0
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83447ce1) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8348ab42,ffffffff833e26e6,90,ffffffff8342884d) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd800952da20,fffffd806caab858,1fa51000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd806caab858,1fa51000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd806caab800,7e9450666000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd806caab800,7e9450666000,6f988000,3,21) at pmap_enter+0x38a sys/arch/amd64/amd64/pmap.c:-1
uvm_fault_upper(ffff800042c3f0a0,ffff800042c3f0d8,ffff800042c3efa0) at uvm_fault_upper+0x338 sys/uvm/uvm_fault.c:1131
uvm_fault(fffffd807597f018,7e9450666000,0,1) at uvm_fault+0x198 sys/uvm/uvm_fault.c:635
kpageflttrap(ffff800042c3f250,7e9450666bc8) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff800042c3f250) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x5b
ffs_write(ffff800042c3f490) at ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359
VOP_WRITE(fffffd806ac198b8,ffff800042c3f528,1,fffffd80097fd478) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_rdwr(1,fffffd806ac198b8,7e9450666bc8,b0,3e0,0,df6b1e0541fc299,ffff800042c3f9b0,0,b0) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324
coredump_write(ffff800042c3f9b0,0,7e9450666bc8,b0,0) at coredump_write+0x101 sys/kern/kern_sig.c:2040
coredump_notes_elf(ffff8000fffe7ca8,ffff800042c3f9b0,ffff800042c3f7b8) at coredump_notes_elf+0x553 sys/kern/exec_elf.c:1483
coredump_elf(ffff8000fffe7ca8,ffff800042c3f9b0) at coredump_elf+0x10c sys/kern/exec_elf.c:1184
coredump(ffff8000fffe7ca8) at coredump+0x73a sys/kern/kern_sig.c:2011
sigexit(ffff8000fffe7ca8,5) at sigexit+0xd7 sys/kern/kern_sig.c:1833
trapsignal(ffff8000fffe7ca8,5,1,1,46aa5fe458b) at trapsignal+0x87e
usertrap(ffff800042c3fc20) at usertrap+0x500 sys/arch/amd64/amd64/trap.c:653
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7e9450666b40, count: -24