witness: lock_object uninitialized: 0xffff800000e77028 Starting stack trace... witness_checkorder(ffff800000e77028,9,0) at witness_checkorder+0x137 witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff800000e77028,9,0) at witness_checkorder+0x137 sys/kern/subr_witness.c:777 rw_enter_write(ffff800000e77018) at rw_enter_write+0x5c sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000e77000) at unveil_delete_names+0x34 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:92 [inline] unveil_delete_names(ffff800000e77000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff800021280ca8) at unveil_destroy+0xad sys/kern/kern_unveil.c:183 exit1(ffff80002121ede8,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:220 sys_exit(ffff80002121ede8,ffff80002958b000,ffff80002958b050) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002958b0d0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002958b0d0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7758f515e7c0, count: 249 End of stack trace. Stopped at db_enter+0x1c: addq $0x8,%rsp ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff800000e77028,9,0) at witness_checkorder+0x13c witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff800000e77028,9,0) at witness_checkorder+0x13c sys/kern/subr_witness.c:777 rw_enter_write(ffff800000e77018) at rw_enter_write+0x5c sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000e77000) at unveil_delete_names+0x34 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:92 [inline] unveil_delete_names(ffff800000e77000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff800021280ca8) at unveil_destroy+0xad sys/kern/kern_unveil.c:183 exit1(ffff80002121ede8,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:220 sys_exit(ffff80002121ede8,ffff80002958b000,ffff80002958b050) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002958b0d0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002958b0d0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7758f515e7c0, count: -9 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002958ada0 rbx 0x3 rdx 0 rcx 0xffff80002121ede8 rax 0xffffffff82b97ff0 cpu_info_full_primary+0x1ff0 r8 0xffff80002958ad40 r9 0x8080808080808080 r10 0x6f45e3bbf26c517b r11 0x1f76b81ea66c9c5 r12 0xffff800000e77001 r13 0xffff800000e77028 r14 0 r15 0 rip 0xffffffff8255bacc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002958ad90 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.6) pid=511174 stat=onproc flags process=1018 proc=2000 pri=32, usrpri=85, nice=20 forw=0xffffffffffffffff, list=0xffff80002121f610,0xffff80002121d9a0 process=0xffff800021280ca8 user=0xffff800029586000, vmspace=0xfffffd8069da5758 estcpu=35, cpticks=6, pctcpu=0.23 user=0, sys=7, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 5044 378050 26146 0 2 0 syz-executor.3 75267 323464 78116 0 2 0 syz-executor.0 75267 442046 78116 0 3 0x4000080 fsleep syz-executor.0 75267 354026 78116 0 3 0x4000080 bell syz-executor.0 75267 452512 78116 0 2 0x4000000 syz-executor.0 99230 128625 3019 0 2 0 syz-executor.2 99230 396350 3019 0 2 0x4000000 syz-executor.2 99230 400342 3019 0 3 0x4000080 fsleep syz-executor.2 26146 423544 95105 0 2 0x482 syz-executor.3 80222 274988 95105 0 2 0x2 syz-executor.1 33424 215258 1 0 2 0x100083 getty 25845 221943 95105 0 2 0x482 syz-executor.6 78116 450285 95105 0 2 0x482 syz-executor.0 66941 103241 95105 0 2 0x482 syz-executor.5 16499 504154 95105 0 2 0x482 syz-executor.4 11092 179001 0 0 3 0x14200 bored sosplice 87653 404467 0 0 3 0x14280 nfsidl nfsio 23354 313690 0 0 3 0x14280 nfsidl nfsio 4118 222484 0 0 3 0x14280 nfsidl nfsio 19798 10929 0 0 3 0x14280 nfsidl nfsio 20329 307225 0 0 3 0x14280 nfsidl nfsio 52711 247571 0 0 3 0x14280 nfsidl nfsio 79839 57610 0 0 3 0x14280 nfsidl nfsio 13311 195952 0 0 3 0x14280 nfsidl nfsio 56228 130244 0 0 3 0x14280 nfsidl nfsio 33706 104277 0 0 3 0x14280 nfsidl nfsio 13434 17680 0 0 3 0x14280 nfsidl nfsio 21444 254091 0 0 3 0x14280 nfsidl nfsio 23183 22886 0 0 3 0x14280 nfsidl nfsio 97266 458494 0 0 3 0x14280 nfsidl nfsio 93113 295853 0 0 3 0x14280 nfsidl nfsio 42932 66337 0 0 3 0x14280 nfsidl nfsio 45833 270910 0 0 3 0x14280 nfsidl nfsio 41266 188575 0 0 3 0x14280 nfsidl nfsio 76475 227742 0 0 3 0x14280 nfsidl nfsio 29507 257623 0 0 3 0x14280 nfsidl nfsio 44925 91147 95105 0 7 0x2 syz-executor.7 3019 364770 95105 0 2 0x482 syz-executor.2 95105 196077 63397 0 3 0x2000082 thrsleep syz-fuzzer 95105 300274 63397 0 2 0x6000482 syz-fuzzer 95105 428873 63397 0 3 0x6000082 wait syz-fuzzer 95105 236440 63397 0 3 0x6000082 thrsleep syz-fuzzer 95105 519030 63397 0 3 0x6000082 wait syz-fuzzer 95105 43528 63397 0 3 0x6000082 thrsleep syz-fuzzer 95105 496699 63397 0 3 0x6000082 wait syz-fuzzer 95105 212893 63397 0 3 0x6000082 wait syz-fuzzer 95105 219817 63397 0 3 0x6000082 thrsleep syz-fuzzer 95105 473966 63397 0 3 0x6000082 thrsleep syz-fuzzer 95105 493456 63397 0 3 0x6000082 wait syz-fuzzer 95105 96181 63397 0 3 0x6000082 thrsleep syz-fuzzer 95105 179282 63397 0 3 0x6000082 wait syz-fuzzer 95105 411850 63397 0 3 0x6000082 kqread syz-fuzzer 95105 489027 63397 0 3 0x6000082 wait syz-fuzzer 95105 26882 63397 0 3 0x6000082 wait syz-fuzzer 63397 188402 45383 0 3 0x10008a sigsusp ksh 45383 403079 8611 0 3 0x9a kqread sshd 8611 449942 1 0 3 0x88 kqread sshd 6794 367706 34400 74 3 0x1100092 bpf pflogd 34400 168301 1 0 3 0x80 netio pflogd 53730 286725 52173 73 2 0x1100490 syslogd 52173 277688 1 0 3 0x100082 netio syslogd 34753 498 1 0 3 0x100080 kqread resolvd 57270 142628 83324 77 3 0x100092 kqread dhcpleased 35345 470774 83324 77 3 0x100092 kqread dhcpleased 83324 15948 1 0 3 0x80 kqread dhcpleased 25198 273741 0 0 3 0x14200 bored smr 41672 365421 0 0 2 0x14200 zerothread 52332 27356 0 0 3 0x14200 aiodoned aiodoned 18099 401600 0 0 3 0x14200 syncer update 19317 110819 0 0 3 0x14200 cleaner cleaner 55446 343802 0 0 2 0x14200 reaper 44996 11010 0 0 3 0x14200 pgdaemon pagedaemon 84688 177711 0 0 3 0x14200 bored viomb 88245 283015 0 0 3 0x40014200 acpi0 acpi0 29836 484364 0 0 3 0x40014200 idle1 56547 36459 0 0 3 0x14200 bored softnet3 94641 243466 0 0 3 0x14200 bored softnet2 25243 71616 0 0 3 0x14200 bored softnet1 47211 425728 0 0 3 0x14200 bored softnet0 39209 58298 0 0 3 0x14200 bored systqmp 30921 407778 0 0 3 0x14200 bored systq 29296 492555 0 0 2 0x40014200 softclock 92255 93420 0 0 3 0x40014200 idle0 1 247414 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 80222 (syz-executor.1) thread 0xffff8000211f2da8 (274988) exclusive rrwlock inode r = 0 (0xfffffd8066fd9c50) #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:1343 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e1140a8) #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 domkdirat+0x79 sys/kern/vfs_syscalls.c:3058 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 Process 44925 (syz-executor.7) thread 0xffff800021237330 (91147) exclusive rwlock vmmaplk r = 0 (0xfffffd806efe2670) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5345 #3 uvmspace_fork+0xb6 sys/uvm/uvm_map.c:3903 #4 process_new+0x304 sys/kern/kern_fork.c:262 #5 fork1+0x318 sys/kern/kern_fork.c:383 #6 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #6 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd8069da5a20) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5345 #3 uvmspace_fork+0x3b sys/uvm/uvm_map.c:3894 #4 process_new+0x304 sys/kern/kern_fork.c:262 #5 fork1+0x318 sys/kern/kern_fork.c:383 #6 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #6 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10228 6493K 7252K 78643K 14264 0 pcb 13 15K 16K 78643K 544 0 rtable 254 8K 8K 78643K 1534 0 pf 32 9K 10K 78643K 232 0 ifaddr 45 16K 17K 78643K 179 0 ifgroup 55 2K 2K 78643K 354 0 sysctl 2 0K 2K 78643K 46 0 counters 60 35K 36K 78643K 216 0 ioctlops 0 0K 4K 78643K 1687 0 iov 0 0K 32K 78643K 1184 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1457 91K 91K 78643K 4221 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 164 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 1130 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 89K 78643K 11734 0 sigio 1 0K 0K 78643K 664 0 proc 72 115K 128K 78643K 1636 0 subproc 117 7K 7K 78643K 347 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 265 0 in_multi 99 7K 7K 78643K 355 0 ether_multi 1 0K 0K 78643K 10 0 mrt 1 0K 0K 78643K 5 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 253 1129K 1129K 78643K 253 0 exec 0 0K 1K 78643K 2053 0 pfkey data 0 0K 1K 78643K 4 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 8 62K 64K 78643K 10 0 UVM amap 455 105K 107K 78643K 116265 0 UVM aobj 131 4K 4K 78643K 135 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 230 0 NDP 12 0K 1K 78643K 138 0 temp 78 5920K 6054K 78643K 81732 0 kqueue 12 18K 28K 78643K 661 0 SYN cache 2 16K 24K 78643K 3 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 120 877 0 874 11 10 1 3 0 8 0 rtentry 112 420 0 303 4 0 4 4 0 8 0 unpcb 144 5357 0 5342 71 70 1 6 0 8 0 syncache 296 76 0 76 21 21 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 158 0 158 17 17 0 1 0 8 0 tcpcb 808 2392 0 2371 102 93 9 14 0 8 6 arp 120 51 0 33 1 0 1 1 0 8 0 inpcb 368 5596 0 5572 149 140 9 13 0 8 6 nd6 136 83 0 52 2 0 2 2 0 8 0 pkpcb 40 12 0 12 2 2 0 1 0 8 0 kcovpl 48 24 0 15 1 0 1 1 0 8 0 ppxss 1256 23 0 23 8 8 0 1 0 8 0 pffrag 232 91 0 89 3 2 1 1 0 482 0 pffrnode 88 91 0 89 3 2 1 1 0 8 0 pffrent 40 272 0 270 3 2 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 24 298 0 281 1 0 1 1 0 8 0 pfstkey 128 298 0 281 2 1 1 2 0 8 0 pfstate 376 298 0 281 10 8 2 4 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 1221 0 735 32 1 31 31 0 8 0 art_table 32 1222 0 735 4 0 4 4 0 8 0 art_node 16 298 0 191 1 0 1 1 0 8 0 sysvmsgpl 40 114 0 98 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 1125 0 1115 1 0 1 1 0 8 0 shmpl 112 132 0 4 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 16479 0 14945 97 0 97 97 0 8 0 ffsino 272 16479 0 14945 103 0 103 103 0 8 0 nchpl 144 36295 0 35719 63 40 23 63 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 112509 0 112508 13 12 1 2 0 8 0 percpumem 16 121 0 78 1 0 1 1 0 8 0 kstatmem 264 180 0 156 2 0 2 2 0 8 0 scxspl 216 90890 0 90890 34 33 1 8 1 8 1 plimitpl 152 1275 0 1258 1 0 1 1 0 8 0 sigapl 424 12048 0 11979 9 1 8 8 0 8 0 futexpl 64 86781 0 86779 2 1 1 1 0 8 0 knotepl 120 899 0 0 12 2 10 11 0 8 0 kqueuepl 216 1312 0 1304 15 14 1 5 0 8 0 pipepl 320 3152 0 3123 95 87 8 11 0 8 3 fdescpl 496 11998 0 11970 6 1 5 5 0 8 0 filepl 152 70087 0 69825 157 141 16 21 0 8 4 lockfpl 104 2777 0 2775 5 4 1 2 0 8 0 lockfspl 48 890 0 888 1 0 1 1 0 8 0 sessionpl 144 43 0 25 1 0 1 1 0 8 0 pgrppl 48 357 0 339 1 0 1 1 0 8 0 ucredpl 104 8791 0 8762 1 0 1 1 0 8 0 zombiepl 144 13023 0 13019 1 0 1 1 0 8 0 processpl 1072 12048 0 11979 5 0 5 5 0 8 0 procpl 696 32317 0 32227 36 26 10 10 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 110 0 110 18 18 0 1 0 8 0 sockpl 488 11853 0 11811 297 283 14 23 0 8 6 mcl64k 65536 21 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 24 0 0 2 0 2 2 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 32 0 0 3 0 3 3 0 8 0 mcl2k2 2112 16 0 0 2 0 2 2 0 8 0 mcl2k 2048 359 0 0 39 11 28 39 0 8 0 mtagpl 96 275 0 0 7 2 5 7 0 8 0 mbufpl 256 1258 0 0 68 0 68 68 0 8 0 bufpl 288 21668 0 15341 453 0 453 453 0 8 0 anonpl 24 1146051 0 1132408 211 116 95 131 0 186 0 amapchunkpl 152 365058 0 364158 104 64 40 51 0 158 0 amappl16 200 22725 0 22371 134 113 21 45 0 8 0 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 211 0 194 2 1 1 2 0 8 0 amappl13 176 15 0 13 1 0 1 1 0 8 0 amappl12 168 12893 0 12862 3 1 2 2 0 8 0 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 50 0 39 1 0 1 1 0 8 0 amappl9 144 261 0 260 1 0 1 1 0 8 0 amappl8 136 651 0 498 8 2 6 6 0 8 0 amappl7 128 117 0 102 2 0 2 2 0 8 0 amappl6 120 477 0 451 2 1 1 2 0 8 0 amappl5 112 426 0 414 1 0 1 1 0 8 0 amappl4 104 859 0 807 3 1 2 3 0 8 0 amappl3 96 72534 0 72450 4 1 3 3 0 8 0 amappl2 88 12668 0 12592 3 1 2 3 0 8 0 amappl1 80 50984 0 50424 23 9 14 23 0 8 0 amappl 88 115281 0 115020 8 0 8 8 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 72 134 0 4 3 0 3 3 0 8 0 uaddrrnd 24 11998 0 11969 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 11998 0 11969 1 0 1 1 0 8 0 vmmpekpl 168 94379 0 94312 5 1 4 4 0 8 0 vmmpepl 168 709822 0 707438 326 206 120 137 0 357 0 vmsppl 464 11997 0 11969 5 1 4 5 0 8 0 rwobjpl 56 176086 0 168446 123 13 110 114 0 8 0 pdppl 4096 24004 0 23938 654 582 72 82 0 8 6 pvpl 32 3155212 0 3135536 558 389 169 368 0 265 0 pmappl 248 11997 0 11969 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1737 0 849 26 0 26 26 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff800000e77028,9,0) at witness_checkorder+0x13c witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff800000e77028,9,0) at witness_checkorder+0x13c sys/kern/subr_witness.c:777 rw_enter_write(ffff800000e77018) at rw_enter_write+0x5c sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000e77000) at unveil_delete_names+0x34 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:92 [inline] unveil_delete_names(ffff800000e77000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff800021280ca8) at unveil_destroy+0xad sys/kern/kern_unveil.c:183 exit1(ffff80002121ede8,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:220 sys_exit(ffff80002121ede8,ffff80002958b000,ffff80002958b050) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002958b0d0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002958b0d0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7758f515e7c0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d58ff0) 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(ffffffff82c77498) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c77498) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82c77498,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x4c6 sys/kern/sched_bsd.c:470 yield() at yield+0x5b sys/kern/sched_bsd.c:324 pool_get(ffffffff82d378b0,1) at pool_get+0x19d sys/kern/subr_pool.c:589 uvm_mapent_alloc(fffffd806efe2578,0) at uvm_mapent_alloc+0x2ca sys/uvm/uvm_map.c:1548 uvm_map_mkentry(fffffd806efe2578,fffffd806fac4940,fffffd806fac4940,20000000,1000000,0,321dff16b022d93a,1000000) at uvm_map_mkentry+0x75 sys/uvm/uvm_map.c:1451 uvm_mapent_clone(fffffd806efe2578,20000000,1000000,0,3,7,f3ecca7cddfe3cbf,fffffd806b8d8cb0,8,fffffd806efe2578) at uvm_mapent_clone+0x9f sys/uvm/uvm_map.c:3632 uvm_mapent_forkcopy(1,fffffd806efe2578,fffffd8069da5928,fffffd806b8d8cb0,ffff80002c9eb808) at uvm_mapent_forkcopy+0x64 sys/uvm/uvm_map.c:3724 uvmspace_fork(ffff800021282198) at uvmspace_fork+0x1dc sys/uvm/uvm_map.c:3927 process_new(ffff80002121e308,ffff800021282198,1) at process_new+0x304 sys/kern/kern_fork.c:262 fork1(ffff800021237330,1,ffffffff810d4880,0,ffff80002c9eba20,0) at fork1+0x318 sys/kern/kern_fork.c:383 syscall(ffff80002c9ebaa0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002c9ebaa0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x718dfc1d81d0, count: -17