panic: missing alias Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 84158 67104 0 0x2 0 1 syz-executor *469215 49637 0 0x2 0 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833455e0) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd806544f050,ffff80002a297210) at vgonel+0x681 sys/kern/vfs_subr.c:1217 vrecycle(fffffd806544f050,ffff80002a297210) at vrecycle+0x7c sys/kern/vfs_subr.c:1143 ufs_inactive(ffff80002a392b28) at ufs_inactive+0x360 sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd806544f050,ffff80002a297210) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:498 vput(fffffd806544f050) at vput+0xe5 sys/kern/vfs_subr.c:796 VOP_REMOVE(fffffd807d25ccc0,fffffd806544f050,ffff80002a392ca8) at VOP_REMOVE+0x19d sys/kern/vfs_vops.c:336 dounlinkat(ffff80002a297210,ffffff9c,73c456ada220,0) at dounlinkat+0x177 sys/kern/vfs_syscalls.c:1900 syscall(ffff80002a392e20) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a392e20) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73c456ada6d0, count: 4 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: missing alias ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833455e0) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd806544f050,ffff80002a297210) at vgonel+0x681 sys/kern/vfs_subr.c:1217 vrecycle(fffffd806544f050,ffff80002a297210) at vrecycle+0x7c sys/kern/vfs_subr.c:1143 ufs_inactive(ffff80002a392b28) at ufs_inactive+0x360 sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd806544f050,ffff80002a297210) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:498 vput(fffffd806544f050) at vput+0xe5 sys/kern/vfs_subr.c:796 VOP_REMOVE(fffffd807d25ccc0,fffffd806544f050,ffff80002a392ca8) at VOP_REMOVE+0x19d sys/kern/vfs_vops.c:336 dounlinkat(ffff80002a297210,ffffff9c,73c456ada220,0) at dounlinkat+0x177 sys/kern/vfs_syscalls.c:1900 syscall(ffff80002a392e20) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a392e20) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73c456ada6d0, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a392960 rbx 0xffffffff83883dd7 cpu_info_full_primary+0x2dd7 rdx 0 rcx 0xffff80002a297210 rax 0xffffffff83882ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xf202ba643f16fbdf r11 0x1ee580dacd64bfb4 r12 0xffffffff83883bd8 cpu_info_full_primary+0x2bd8 r13 0 r14 0 r15 0x1 rip 0xffffffff82b44395 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a392950 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=469215 pid=49637 tcnt=1 stat=onproc flags process=2 proc=0 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2974a0,0xffff80002a2967e0 process=0xffff80002a396bb0 user=0xffff80002a38d000, vmspace=0xfffffd800b026d20 estcpu=36, cpticks=1, pctcpu=0.55, user=3, sys=510, intr=4 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 32398 319116 70080 0 2 0 syz-executor 32398 327889 70080 0 3 0x4000080 fsleep syz-executor 33265 426798 24826 0 2 0 syz-executor 33265 91161 24826 0 3 0x4000080 fsleep syz-executor 33265 299508 24826 0 3 0x4000080 fsleep syz-executor 15801 102695 55158 0 2 0 syz-executor 15801 36602 55158 0 2 0x4000000 syz-executor 15801 156475 55158 0 3 0x4000080 fsleep syz-executor 31630 307101 71399 0 3 0x3000 suspend syz-executor 31630 31005 71399 0 2 0x4081000 syz-executor 31630 452748 71399 0 3 0x4081000 inode syz-executor 82962 445841 0 0 3 0x14200 acct acct 93575 15206 1 0 3 0x100083 ttyin getty 90989 168637 0 0 3 0x14280 nfsidl nfsio 80991 379215 0 0 3 0x14280 nfsidl nfsio 84667 16314 0 0 3 0x14280 nfsidl nfsio 52987 375393 0 0 3 0x14280 nfsidl nfsio 33967 389536 0 0 3 0x14280 nfsidl nfsio 53359 499324 0 0 3 0x14280 nfsidl nfsio 59061 29420 0 0 3 0x14280 nfsidl nfsio 33200 214969 0 0 3 0x14280 nfsidl nfsio 20957 302096 0 0 3 0x14280 nfsidl nfsio 48811 470433 0 0 3 0x14280 nfsidl nfsio 91512 111117 0 0 3 0x14280 nfsidl nfsio 41121 88028 0 0 3 0x14280 nfsidl nfsio 54014 223059 0 0 3 0x14280 nfsidl nfsio 59795 481918 0 0 3 0x14280 nfsidl nfsio 25812 190519 0 0 3 0x14280 nfsidl nfsio 39604 182519 0 0 3 0x14280 nfsidl nfsio 43058 219573 0 0 3 0x14280 nfsidl nfsio 51892 71133 0 0 3 0x14280 nfsidl nfsio 60234 248692 0 0 3 0x14280 nfsidl nfsio 39574 44892 0 0 3 0x14280 nfsidl nfsio 55413 42977 97836 0 3 0x82 wait syz-executor 67104 84158 97836 0 7 0x2 syz-executor 70080 360162 97836 0 3 0x82 nanoslp syz-executor 24826 126899 97836 0 3 0x82 nanoslp syz-executor 55158 293102 97836 0 3 0x82 nanoslp syz-executor 30858 472615 0 0 3 0x14200 bored sosplice *49637 469215 97836 0 7 0x2 syz-executor 71399 61754 97836 0 3 0x82 wait syz-executor 74378 12858 97836 0 2 0x2 syz-executor 97836 66210 53685 0 3 0x82 kqread syz-executor 53685 230084 4680 0 3 0x10008a sigsusp ksh 4680 373293 92993 0 3 0x98 kqread sshd-session 92993 54086 35567 0 3 0x92 kqread sshd-session 35567 492666 1 0 3 0x88 kqread sshd 80385 398272 85172 74 3 0x1100092 bpf pflogd 85172 325254 1 0 3 0x80 sbwait pflogd 12942 244880 52032 73 3 0x1100090 kqread syslogd 52032 66873 1 0 3 0x100082 sbwait syslogd 14501 272072 1 0 3 0x100080 kqread resolvd 57249 296627 61153 77 3 0x100092 kqread dhcpleased 63572 410412 61153 77 3 0x100092 kqread dhcpleased 61153 153544 1 0 3 0x80 kqread dhcpleased 57132 404553 0 0 3 0x14200 bored smr 48575 425031 0 0 2 0x14200 zerothread 75105 205317 0 0 3 0x14200 aiodoned aiodoned 26508 55959 0 0 3 0x14200 syncer update 36602 40938 0 0 3 0x14200 cleaner cleaner 43188 267851 0 0 3 0x14200 reaper reaper 37976 171717 0 0 3 0x14200 pgdaemon pagedaemon 45775 13473 0 0 3 0x14200 bored viomb 71927 288480 0 0 3 0x40014200 acpi0 acpi0 7561 491433 0 0 3 0x40014200 idle1 86901 209442 0 0 3 0x14200 bored softnet3 27775 428364 0 0 3 0x14200 bored softnet2 55731 425304 0 0 3 0x14200 bored softnet1 32254 105338 0 0 3 0x14200 bored softnet0 91837 482148 0 0 3 0x14200 bored systqmp 79740 431391 0 0 3 0x14200 bored systq 32141 180415 0 0 3 0x14200 tmoslp softclockmp 91340 206337 0 0 3 0x40014200 tmoslp softclock 86375 228838 0 0 3 0x40014200 idle0 1 345381 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 31630 (syz-executor) thread 0xffff80003b8122c8 (31005) Process 31630 (syz-executor) thread 0xffff80003b813c68 (452748) Process 67104 (syz-executor) thread 0xffff80002a2979c0 (84158) Process 49637 (syz-executor) thread 0xffff80002a297210 (469215) Process 74378 (syz-executor) thread 0xffff80002a297c50 (12858) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10249 11122K 11357K 166960K 13562 0 pcb 20 16K 18K 166960K 906 0 rtable 214 20K 21K 166960K 1009 0 pf 40 18K 67485K 166960K 288 0 ifaddr 38 6K 9K 166960K 202 0 ifgroup 67 2K 3K 166960K 338 0 sysctl 4 1K 9K 166960K 31 0 counters 74 37K 38K 166960K 572 0 ioctlops 0 0K 4K 166960K 2264 0 iov 0 0K 28K 166960K 206 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1484 93K 94K 166960K 3550 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 56 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 272 0 dirhash 15 2K 3K 166960K 87 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 110K 166960K 3337 0 sigio 0 0K 0K 166960K 169 0 proc 73 91K 128K 166960K 1199 0 subproc 72 4K 4K 166960K 162 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 415 0 in_multi 66 4K 7K 166960K 306 0 ether_multi 1 0K 0K 166960K 25 0 mrt 1 0K 0K 166960K 21 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 853 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 6 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 241 162K 180K 166960K 32502 0 UVM aobj 116 7K 7K 166960K 128 0 pinsyscall 40 80K 104K 166960K 4770 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 163 0 NDP 15 0K 2K 166960K 151 0 temp 82 8696K 8952K 166960K 156819 0 kqueue 13 20K 33K 166960K 591 0 SYN cache 2 10K 18K 166960K 3 0 ddb{0}> 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 120 565 0 562 9 8 1 5 0 8 0 rtentry 176 298 0 217 6 0 6 6 0 8 0 unpcb 144 2663 0 2641 30 26 4 6 0 8 3 syncache 336 17 0 17 7 7 0 1 0 8 0 tcpqe 32 3 0 3 2 2 0 1 0 8 0 tcpcb 736 1039 0 1032 26 21 5 7 0 8 4 arp 128 49 0 31 1 0 1 1 0 8 0 inpcb 328 4112 0 4097 61 56 5 12 0 8 1 nd6 144 61 0 41 1 0 1 1 0 8 0 pkpcb 40 32 0 32 9 8 1 1 0 8 1 kcovpl 48 18 0 10 1 0 1 1 0 8 0 mppekey 1024 2 0 2 2 2 0 1 0 8 0 ppxss 1192 217 0 217 7 6 1 1 0 8 1 pppxif 1504 15 0 15 8 7 1 1 0 8 1 pffrag 232 25 0 20 1 0 1 1 0 482 0 pffrnode 88 20 0 15 1 0 1 1 0 8 0 pffrent 40 54 0 49 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 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 183 0 103 1 0 1 1 0 8 0 pfstkey 128 183 0 103 3 0 3 3 0 8 0 pfstate 384 183 0 103 9 1 8 8 0 8 0 pfrule 1344 28 0 20 2 1 1 2 0 8 0 rttmr 136 3 0 3 2 2 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 1213 0 901 37 10 27 30 0 8 0 art_table 32 1216 0 901 4 0 4 4 0 8 0 art_node 16 281 0 211 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 2 1 0 1 1 0 8 0 semapl 112 270 0 260 1 0 1 1 0 8 0 shmpl 112 125 0 12 4 0 4 4 0 8 0 dirhash 1024 69 0 50 3 0 3 3 0 8 0 dino2pl 256 7598 0 6081 96 0 96 96 0 8 0 ffsino 288 7598 0 6081 110 0 110 110 0 8 0 nchpl 144 12144 0 11574 65 38 27 65 0 8 0 rtmask 32 25 0 25 11 11 0 1 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 44239 0 44237 8 7 1 2 0 8 0 percpumem 16 301 0 249 1 0 1 1 0 8 0 kstatmem 264 228 0 192 7 4 3 3 0 8 0 acpiwqpl 32 35 0 35 1 0 1 1 1 8 1 scsiplug 72 18 0 18 10 9 1 1 0 8 1 scxspl 216 53384 0 53384 19 16 3 8 1 8 3 plimitpl 152 510 0 491 1 0 1 1 0 8 0 sigapl 424 3690 0 3621 12 2 10 10 0 8 0 knotepl 120 862 0 0 24 0 24 24 0 8 0 kqueuepl 224 1419 0 1410 24 19 5 5 0 8 4 pipepl 336 673 0 646 18 14 4 8 0 8 1 fdescpl 520 3613 0 3584 3 0 3 3 0 8 0 filepl 160 26667 0 26440 51 36 15 18 0 8 2 lockfpl 104 1287 0 1284 3 2 1 2 0 8 0 lockfspl 48 428 0 425 1 0 1 1 0 8 0 sessionpl 144 49 0 40 1 0 1 1 0 8 0 pgrppl 48 175 0 158 1 0 1 1 0 8 0 ucredpl 104 4097 0 4084 1 0 1 1 0 8 0 zombiepl 144 5007 0 5005 2 1 1 1 0 8 0 processpl 1240 3690 0 3621 7 0 7 7 0 8 0 procpl 656 9034 0 8958 10 2 8 8 0 8 0 srpgc 96 24 0 24 8 8 0 1 0 8 0 sosppl 168 16 0 16 9 9 0 1 0 8 0 sockpl 728 7456 0 7415 105 93 12 22 0 8 6 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 141 0 0 16 0 16 16 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 46 0 0 4 0 4 4 0 8 0 mtagpl 96 16 0 0 1 0 1 1 0 8 0 mbufpl 256 1188 0 0 73 0 73 73 0 8 0 bufpl 280 17691 0 11548 441 2 439 440 0 8 0 anonpl 32 13368 0 0 108 0 108 108 0 246 0 amapchunkpl 152 109067 0 108489 77 45 32 37 0 158 5 amappl16 200 9478 0 9162 92 71 21 28 0 8 0 amappl15 192 5 0 5 4 4 0 1 0 8 0 amappl14 184 166 0 154 1 0 1 1 0 8 0 amappl13 176 2 0 2 2 2 0 1 0 8 0 amappl12 168 4443 0 4414 4 2 2 3 0 8 0 amappl11 160 48 0 34 1 0 1 1 0 8 0 amappl10 152 6 0 4 1 0 1 1 0 8 0 amappl9 144 252 0 251 2 1 1 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 166 0 153 1 0 1 1 0 8 0 amappl6 120 305 0 301 1 0 1 1 0 8 0 amappl5 112 177 0 167 1 0 1 1 0 8 0 amappl4 104 413 0 394 1 0 1 1 0 8 0 amappl3 96 22769 0 22666 5 1 4 4 0 8 0 amappl2 88 929 0 865 2 0 2 2 0 8 0 amappl1 80 25931 0 25334 15 0 15 15 0 8 0 amappl 88 30989 0 30821 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 259 0 259 7 6 1 1 0 8 1 dma64 64 8 0 8 3 2 1 1 0 8 1 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 20 0 19 1 0 1 1 0 8 0 aobjpl 72 127 0 12 3 0 3 3 0 8 0 uaddrrnd 24 3613 0 3584 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3613 0 3584 1 0 1 1 0 8 0 vmmpekpl 168 29760 0 29692 4 0 4 4 0 8 0 vmmpepl 168 230957 0 228754 146 39 107 111 0 357 0 vmsppl 480 3612 0 3584 8 3 5 5 0 8 0 rwobjpl 72 63774 0 56508 136 2 134 134 0 8 0 pdppl 4096 7233 0 7168 148 77 71 85 0 8 6 pvpl 32 20909 0 0 169 1 168 168 0 265 0 pmappl 256 3612 0 3584 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 565 0 143 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833455e0) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd806544f050,ffff80002a297210) at vgonel+0x681 sys/kern/vfs_subr.c:1217 vrecycle(fffffd806544f050,ffff80002a297210) at vrecycle+0x7c sys/kern/vfs_subr.c:1143 ufs_inactive(ffff80002a392b28) at ufs_inactive+0x360 sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd806544f050,ffff80002a297210) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:498 vput(fffffd806544f050) at vput+0xe5 sys/kern/vfs_subr.c:796 VOP_REMOVE(fffffd807d25ccc0,fffffd806544f050,ffff80002a392ca8) at VOP_REMOVE+0x19d sys/kern/vfs_vops.c:336 dounlinkat(ffff80002a297210,ffffff9c,73c456ada220,0) at dounlinkat+0x177 sys/kern/vfs_syscalls.c:1900 syscall(ffff80002a392e20) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a392e20) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73c456ada6d0, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) 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+0x3d sys/dev/kcov.c:159 __mp_acquire_count(ffffffff83975ae8,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff839a1cb8,9) at pool_get+0x265 sys/kern/subr_pool.c:588 buf_get(fffffd80616d8bd0,0,4000) at buf_get+0x35e sys/kern/vfs_bio.c:-1 getblk(fffffd80616d8bd0,0,4000,0,ffffffffffffffff) at getblk+0x146 sys/kern/vfs_bio.c:-1 ffs2_balloc(fffffd805c620d88,0,200,fffffd80097fb618,1,ffff80002a31a4c0) at ffs2_balloc+0x8a1 sys/ufs/ffs/ffs_balloc.c:539 ufs_mkdir(ffff80002a31a540) at ufs_mkdir+0x458 sys/ufs/ufs/ufs_vnops.c:1153 VOP_MKDIR(fffffd805fd71cb8,ffff80002a31a6a0,ffff80002a31a6d0,ffff80002a31a5d0) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff80002a2979c0,ffffff9c,7aa265adf0a0,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3109 syscall(ffff80002a31a850) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a31a850) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7aa265adf140, count: 1 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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+0x3d sys/dev/kcov.c:159 __mp_acquire_count(ffffffff83975ae8,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff839a1cb8,9) at pool_get+0x265 sys/kern/subr_pool.c:588 buf_get(fffffd80616d8bd0,0,4000) at buf_get+0x35e sys/kern/vfs_bio.c:-1 getblk(fffffd80616d8bd0,0,4000,0,ffffffffffffffff) at getblk+0x146 sys/kern/vfs_bio.c:-1 ffs2_balloc(fffffd805c620d88,0,200,fffffd80097fb618,1,ffff80002a31a4c0) at ffs2_balloc+0x8a1 sys/ufs/ffs/ffs_balloc.c:539 ufs_mkdir(ffff80002a31a540) at ufs_mkdir+0x458 sys/ufs/ufs/ufs_vnops.c:1153 VOP_MKDIR(fffffd805fd71cb8,ffff80002a31a6a0,ffff80002a31a6d0,ffff80002a31a5d0) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff80002a2979c0,ffffff9c,7aa265adf0a0,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3109 syscall(ffff80002a31a850) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a31a850) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7aa265adf140, count: -14