panic: kernel diagnostic assertion "__mp_lock_held(&sched_lock, curcpu()) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_lock.c", line 63
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
141966 5308 32767 0x10 0 1 syz-executor.4
*354472 52993 32767 0x1810 0x4080080 0 syz-executor.2
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff825a1086) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff82613da6,ffffffff82617104,3f,ffffffff8264968f) at __assert+0x25 sys/kern/subr_prf.c:161
_kernel_lock() at _kernel_lock+0xb2 sys/kern/kern_lock.c:63
single_thread_check_locked(ffff8000fffeea80,1,c) at single_thread_check_locked+0x1f6 sys/kern/kern_sig.c:2037
single_thread_check(ffff8000fffeea80,1) at single_thread_check+0x4b sys/kern/kern_sig.c:2057
sleep_finish(ffff8000263e8210,1) at sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline]
sleep_finish(ffff8000263e8210,1) at sleep_finish+0x75 sys/kern/kern_synch.c:400
rwsleep(ffff8000fffeea80,ffffffff8296a1a0,120,ffffffff82595f34,0) at rwsleep+0xd5 sys/kern/kern_synch.c:314
futex_wait(f8c40c95d60,2,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260
sys_futex(ffff8000fffeea80,ffff8000263e83a0,ffff8000263e8400) at sys_futex+0xf8 sys/kern/sys_futex.c:111
syscall(ffff8000263e8470) at syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000263e8470) at syscall+0x484 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf8c657b82c0, count: 3
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
*cpu0: kernel diagnostic assertion "__mp_lock_held(&sched_lock, curcpu()) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_lock.c", line 63
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff825a1086) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff82613da6,ffffffff82617104,3f,ffffffff8264968f) at __assert+0x25 sys/kern/subr_prf.c:161
_kernel_lock() at _kernel_lock+0xb2 sys/kern/kern_lock.c:63
single_thread_check_locked(ffff8000fffeea80,1,c) at single_thread_check_locked+0x1f6 sys/kern/kern_sig.c:2037
single_thread_check(ffff8000fffeea80,1) at single_thread_check+0x4b sys/kern/kern_sig.c:2057
sleep_finish(ffff8000263e8210,1) at sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline]
sleep_finish(ffff8000263e8210,1) at sleep_finish+0x75 sys/kern/kern_synch.c:400
rwsleep(ffff8000fffeea80,ffffffff8296a1a0,120,ffffffff82595f34,0) at rwsleep+0xd5 sys/kern/kern_synch.c:314
futex_wait(f8c40c95d60,2,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260
sys_futex(ffff8000fffeea80,ffff8000263e83a0,ffff8000263e8400) at sys_futex+0xf8 sys/kern/sys_futex.c:111
syscall(ffff8000263e8470) at syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000263e8470) at syscall+0x484 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf8c657b82c0, count: -12
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000263e7fd0
rbx 0xffffffff82989bb7 cpu_info_full_primary+0x2bb7
rdx 0
rcx 0
rax 0xffff8000fffeea80
r8 0x101010101010101
r9 0x8080808080808080
r10 0x9830d0d1dc721bf8
r11 0x9bba141d9c45c721
r12 0xffffffff829899b8 cpu_info_full_primary+0x29b8
r13 0
r14 0
r15 0x1
rip 0xffffffff813e2898 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000263e7fc0
ss 0
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.2) pid=354472 stat=onproc
flags process=1810<SUGID,COREDUMP,SINGLEEXIT> proc=4080080<SINTR,SUSPSINGLE,THREAD>
pri=65, usrpri=65, nice=20
forw=0xffffffffffffffff, list=0xffff8000fffef260,0xffff8000fffef7b0
process=0xffff8000ffff3618 user=0xffff8000263e3000, vmspace=0xfffffd806fcef748
estcpu=15, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
5308 141966 99276 32767 7 0x10 syz-executor.4
98128 285992 51907 32767 2 0x10 syz-executor.0
52993 385048 44760 32767 3 0x3810 suspend syz-executor.2
52993 468475 44760 32767 2 0x4081810 syz-executor.2
*52993 354472 44760 32767 7 0x4081890 syz-executor.2
52993 433781 44760 32767 2 0x4081890 syz-executor.2
52337 86707 85127 32767 2 0x10 syz-executor.5
77019 48964 52699 32767 2 0x10 syz-executor.1
59610 491046 22212 32767 2 0x10 syz-executor.7
99276 464795 32339 32767 3 0x90 nanoslp syz-executor.4
32339 134498 45317 0 3 0x82 wait syz-executor.4
51907 159332 11000 32767 3 0x90 nanoslp syz-executor.0
11000 118065 45317 0 3 0x82 wait syz-executor.0
85127 118449 82245 32767 3 0x90 nanoslp syz-executor.5
52699 158092 1384 32767 3 0x90 nanoslp syz-executor.1
82245 43250 45317 0 3 0x82 wait syz-executor.5
1384 381796 45317 0 3 0x82 wait syz-executor.1
98754 194160 0 0 3 0x14200 bored sosplice
74478 351077 84007 32767 3 0x90 nanoslp syz-executor.3
22212 366524 19819 32767 2 0x10 syz-executor.7
19819 379351 45317 0 3 0x82 wait syz-executor.7
84007 201257 45317 0 3 0x82 wait syz-executor.3
44760 365619 5531 32767 3 0x90 nanoslp syz-executor.2
5531 404074 45317 0 3 0x82 wait syz-executor.2
45317 3941 49068 0 3 0x82 thrsleep syz-fuzzer
45317 403296 49068 0 3 0x4000082 nanoslp syz-fuzzer
45317 506312 49068 0 3 0x4000082 thrsleep syz-fuzzer
45317 437973 49068 0 3 0x4000082 thrsleep syz-fuzzer
45317 350389 49068 0 3 0x4000002 biowait syz-fuzzer
45317 189820 49068 0 3 0x4000082 thrsleep syz-fuzzer
45317 39996 49068 0 3 0x4000082 kqread syz-fuzzer
45317 315639 49068 0 3 0x4000082 thrsleep syz-fuzzer
49068 386970 78100 0 3 0x10008a sigsusp ksh
78100 393951 50498 0 3 0x9a kqread sshd
31761 2305 1 0 3 0x100083 ttyin getty
50498 148420 1 0 3 0x88 kqread sshd
57631 59132 18288 73 3 0x1100090 kqread syslogd
18288 287564 1 0 3 0x100082 netio syslogd
86099 225279 1 0 3 0x100080 kqread resolvd
63912 217464 69271 77 3 0x100092 kqread dhcpleased
97597 350852 69271 77 3 0x100092 kqread dhcpleased
69271 10474 1 0 3 0x80 kqread dhcpleased
55603 487957 0 0 3 0x14200 bored smr
33131 519617 0 0 2 0x14200 zerothread
43485 313825 0 0 3 0x14200 aiodoned aiodoned
92804 504241 0 0 3 0x14200 syncer update
88170 137513 0 0 3 0x14200 cleaner cleaner
80692 348445 0 0 3 0x14200 reaper reaper
99456 503777 0 0 3 0x14200 pgdaemon pagedaemon
36227 191720 0 0 3 0x14200 bored viomb
23392 434116 0 0 3 0x40014200 acpi0 acpi0
64282 396300 0 0 3 0x40014200 idle1
99167 109815 0 0 3 0x14200 bored softnet
44975 383899 0 0 3 0x14200 bored softnet
66908 107908 0 0 3 0x14200 bored softnet
36548 74653 0 0 3 0x14200 bored softnet
30235 362082 0 0 3 0x14200 bored systqmp
47015 436022 0 0 3 0x14200 bored systq
32633 230540 0 0 3 0x40014200 bored softclock
68607 76760 0 0 3 0x40014200 idle0
1 435033 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
CPU 0:
exclusive sched_lock &sched_lock r = 0 (0xffffffff82a153e0)
#0 witness_lock+0x44d
#1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2 mi_switch+0x3d4 sys/kern/sched_bsd.c:419
#3 single_thread_check_locked+0x17f sys/kern/kern_sig.c:2045
#4 single_thread_check+0x4b sys/kern/kern_sig.c:2057
#5 sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline]
#5 sleep_finish+0x75 sys/kern/kern_synch.c:400
#6 rwsleep+0xd5 sys/kern/kern_synch.c:314
#7 futex_wait+0x13c sys/kern/sys_futex.c:260
#8 sys_futex+0xf8 sys/kern/sys_futex.c:111
#9 syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#9 syscall+0x484 sys/arch/amd64/amd64/trap.c:585
#10 Xsyscall+0x128
Process 5308 (syz-executor.4) thread 0xffff8000fffee2a0 (141966)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82ad3210)
#0 witness_lock+0x44d
#1 syscall+0x3e8 mi_syscall sys/sys/syscall_mi.h:93 [inline]
#1 syscall+0x3e8 sys/arch/amd64/amd64/trap.c:585
#2 Xsyscall+0x128
Process 45317 (syz-fuzzer) thread 0xffff8000fffef500 (350389)
exclusive rrwlock inode r = 0 (0xfffffd8068d381b0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:567
#5 vget+0x1d3 sys/kern/vfs_subr.c:678
#6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318
#8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487
#9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561
#11 namei+0x36a sys/kern/vfs_lookup.c:245
#12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1852
#13 syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#13 syscall+0x484 sys/arch/amd64/amd64/trap.c:585
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8068d38700)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:567
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413
#6 namei+0x36a sys/kern/vfs_lookup.c:245
#7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1852
#8 syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x484 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10192 6408K 6420K 78643K 11304 0
pcb 13 10K 12K 78643K 15 0
rtable 218 6K 7K 78643K 640 0
ifaddr 74 16K 17K 78643K 125 0
sysctl 0 0K 2K 78643K 7 0
counters 54 35K 35K 78643K 68 0
ioctlops 0 0K 2K 78643K 51 0
iov 0 0K 28K 78643K 949 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1271 79K 79K 78643K 4134 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 58 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 1571 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 22 81K 121K 78643K 4742 0
sigio 0 0K 0K 78643K 140 0
proc 56 78K 115K 78643K 971 0
subproc 91 5K 6K 78643K 182 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 633 0
in_multi 88 5K 6K 78643K 224 0
ether_multi 1 0K 0K 78643K 21 0
mrt 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 169 758K 758K 78643K 169 0
exec 0 0K 2K 78643K 1655 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 250 78K 106K 78643K 30506 0
UVM aobj 131 4K 4K 78643K 134 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 199 0
NDP 10 0K 2K 78643K 45 0
temp 116 4721K 4850K 78643K 14389 0
kqueue 12 18K 26K 78643K 504 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
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 700 0 697 12 11 1 5 0 8 0
rtentry 112 186 0 84 4 0 4 4 0 8 0
unpcb 136 3209 0 3196 38 35 3 6 0 8 2
syncache 296 78 0 78 15 14 1 1 0 8 1
tcpqe 32 314 0 314 10 10 0 1 0 8 0
tcpcb 736 3510 0 3506 108 105 3 22 0 8 2
arp 120 34 0 16 1 0 1 1 0 8 0
inpcb 320 5169 0 5157 89 87 2 13 0 8 0
nd6 48 47 0 25 1 0 1 1 0 8 0
kcovpl 48 14 0 7 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 747 0 333 31 1 30 30 0 8 2
art_table 32 748 0 333 4 0 4 4 0 8 0
art_node 16 185 0 92 1 0 1 1 0 8 0
sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0
semapl 112 1563 0 1553 1 0 1 1 0 8 0
shmpl 112 131 0 3 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 9662 0 8218 91 0 91 91 0 8 0
ffsino 272 9662 0 8218 97 0 97 97 0 8 0
nchpl 144 15976 0 14339 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 60620 0 60620 3 2 1 2 0 8 1
percpumem 16 46 0 7 1 0 1 1 0 8 0
kstatmem 264 34 0 14 2 0 2 2 0 8 0
scxspl 216 43448 0 43447 20 18 2 8 0 8 1
plimitpl 152 1315 0 1294 4 3 1 2 0 8 0
sigapl 424 5007 0 4955 7 0 7 7 0 8 0
futexpl 64 44673 0 44671 3 2 1 1 0 8 0
knotepl 120 649 0 0 10 0 10 10 0 8 0
kqueuepl 224 2066 0 2058 39 38 1 5 0 8 0
pipepl 336 1499 0 1472 45 39 6 8 0 8 3
fdescpl 496 4989 0 4956 7 2 5 6 0 8 0
filepl 152 43334 0 43115 103 88 15 18 0 8 5
lockfpl 104 722 0 720 3 2 1 3 0 8 0
lockfspl 48 179 0 177 1 0 1 1 0 8 0
sessionpl 144 29 0 14 1 0 1 1 0 8 0
pgrppl 48 186 0 171 1 0 1 1 0 8 0
ucredpl 104 14692 0 14675 1 0 1 1 0 8 0
zombiepl 144 4956 0 4955 1 0 1 1 0 8 0
processpl 1064 5007 0 4955 5 1 4 5 0 8 0
procpl 672 14699 0 14637 18 11 7 8 0 8 1
sosppl 168 58 0 58 7 6 1 1 0 8 1
sockpl 480 9208 0 9182 236 223 13 22 0 8 8
mcl64k 65536 33 0 0 4 1 3 3 0 8 0
mcl16k 16384 26 0 0 4 1 3 3 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 17 0 0 2 0 2 2 0 8 0
mcl8k 8192 35 0 0 4 1 3 3 0 8 0
mcl4k 4096 25 0 0 3 0 3 3 0 8 0
mcl2k2 2112 4 0 0 1 0 1 1 0 8 0
mcl2k 2048 213 0 0 23 0 23 23 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 1080 0 0 47 0 47 47 0 8 0
bufpl 288 10917 0 4587 453 0 453 453 0 8 0
anonpl 24 1007305 0 995359 166 72 94 108 0 186 0
amapchunkpl 152 92042 0 91471 106 77 29 40 0 158 1
amappl16 200 14677 0 14326 85 65 20 32 0 8 0
amappl15 192 2328 0 2323 1 0 1 1 0 8 0
amappl14 184 82 0 79 1 0 1 1 0 8 0
amappl13 176 1119 0 1114 1 0 1 1 0 8 0
amappl12 168 679 0 671 1 0 1 1 0 8 0
amappl11 160 91 0 77 1 0 1 1 0 8 0
amappl10 152 60 0 57 1 0 1 1 0 8 0
amappl9 144 1102 0 1097 1 0 1 1 0 8 0
amappl8 136 779 0 699 3 0 3 3 0 8 0
amappl7 128 166 0 154 1 0 1 1 0 8 0
amappl6 120 870 0 848 2 1 1 2 0 8 0
amappl5 112 3628 0 3609 1 0 1 1 0 8 0
amappl4 104 1075 0 1051 1 0 1 1 0 8 0
amappl3 96 16001 0 15952 2 0 2 2 0 8 0
amappl2 88 7059 0 6986 3 1 2 3 0 8 0
amappl1 80 120539 0 119916 20 4 16 19 0 8 0
amappl 88 29775 0 29612 5 0 5 5 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 72 133 0 3 3 0 3 3 0 8 0
uaddrrnd 24 4989 0 4956 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 4989 0 4956 1 0 1 1 0 8 0
vmmpekpl 168 46156 0 46101 3 0 3 3 0 8 0
vmmpepl 168 491434 0 488959 233 106 127 139 0 357 9
vmsppl 368 4988 0 4956 4 0 4 4 0 8 0
rwobjpl 56 129653 0 122329 114 7 107 110 0 8 0
pdppl 4096 9985 0 9912 300 221 79 93 0 8 6
pvpl 32 2037996 0 2021119 332 165 167 240 0 265 0
pmappl 248 4988 0 4956 4 1 3 3 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 1224 0 373 25 0 25 25 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff825a1086) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff82613da6,ffffffff82617104,3f,ffffffff8264968f) at __assert+0x25 sys/kern/subr_prf.c:161
_kernel_lock() at _kernel_lock+0xb2 sys/kern/kern_lock.c:63
single_thread_check_locked(ffff8000fffeea80,1,c) at single_thread_check_locked+0x1f6 sys/kern/kern_sig.c:2037
single_thread_check(ffff8000fffeea80,1) at single_thread_check+0x4b sys/kern/kern_sig.c:2057
sleep_finish(ffff8000263e8210,1) at sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline]
sleep_finish(ffff8000263e8210,1) at sleep_finish+0x75 sys/kern/kern_synch.c:400
rwsleep(ffff8000fffeea80,ffffffff8296a1a0,120,ffffffff82595f34,0) at rwsleep+0xd5 sys/kern/kern_synch.c:314
futex_wait(f8c40c95d60,2,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260
sys_futex(ffff8000fffeea80,ffff8000263e83a0,ffff8000263e8400) at sys_futex+0xf8 sys/kern/sys_futex.c:111
syscall(ffff8000263e8470) at syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000263e8470) at syscall+0x484 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf8c657b82c0, count: -12
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020de8ff0) 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
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:144
wakeup_n(ffffffff82ba36d4,ffffffff) at wakeup_n+0x37
uvm_pmr_getpages(1,0,0,1,0,1,fe1f66d6ffc0e00d,fffffd80681cc390) at uvm_pmr_getpages+0xeef sys/uvm/uvm_pmemrange.c:1207
uvm_pagealloc(0,0,fffffd80681cc390,2) at uvm_pagealloc+0x1a4 sys/uvm/uvm_page.c:910
uvm_fault_lower(ffff8000261a4d40,ffff8000261a4d78,ffff8000261a4cc0,0) at uvm_fault_lower+0x1aa
uvm_fault(fffffd806fcefb98,63b9532d000,0,1) at uvm_fault+0x238
upageflttrap(ffff8000261a4eb0,63b9532d008) at upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff8000261a4eb0) at usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7f7ffffc9b30, count: 3
ddb{1}> trace
x86_ipi_db(ffff800020de8ff0) 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
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:144
wakeup_n(ffffffff82ba36d4,ffffffff) at wakeup_n+0x37
uvm_pmr_getpages(1,0,0,1,0,1,fe1f66d6ffc0e00d,fffffd80681cc390) at uvm_pmr_getpages+0xeef sys/uvm/uvm_pmemrange.c:1207
uvm_pagealloc(0,0,fffffd80681cc390,2) at uvm_pagealloc+0x1a4 sys/uvm/uvm_page.c:910
uvm_fault_lower(ffff8000261a4d40,ffff8000261a4d78,ffff8000261a4cc0,0) at uvm_fault_lower+0x1aa
uvm_fault(fffffd806fcefb98,63b9532d000,0,1) at uvm_fault+0x238
upageflttrap(ffff8000261a4eb0,63b9532d008) at upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff8000261a4eb0) at usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7f7ffffc9b30, count: -12