panic: pool_do_get: fdescpl free list modified: page 0xfffffd8069b1f000; item addr 0xfffffd8069b1f5d8; offset 0x48=0xdeaf4153 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *159343 4318 32767 0x10 0 1K syz-executor.7 36630 98160 0 0x12 0 0 sshd db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8280bfc5) at panic+0x17b sys/kern/subr_prf.c:198 pool_do_get(ffffffff82d66da8,9,ffff8000295c0fe8) at pool_do_get+0x484 sys/kern/subr_pool.c:739 pool_get(ffffffff82d66da8,9) at pool_get+0xed sys/kern/subr_pool.c:582 fdcopy(ffff80002121d930) at fdcopy+0x48 fdinit sys/kern/kern_descrip.c:1067 [inline] fdcopy(ffff80002121d930) at fdcopy+0x48 sys/kern/kern_descrip.c:1106 process_new(ffff80002120daa0,ffff80002121d930,1) at process_new+0x2bc sys/kern/kern_fork.c:257 fork1(ffff800021288008,1,ffffffff810ce250,0,ffff8000295c1240,0) at fork1+0x318 sys/kern/kern_fork.c:383 syscall(ffff8000295c12c0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000295c12c0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7927374d64f0, count: 6 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: pool_do_get: fdescpl free list modified: page 0xfffffd8069b1f000; item addr 0xfffffd8069b1f5d8; offset 0x48=0xdeaf4153 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8280bfc5) at panic+0x17b sys/kern/subr_prf.c:198 pool_do_get(ffffffff82d66da8,9,ffff8000295c0fe8) at pool_do_get+0x484 sys/kern/subr_pool.c:739 pool_get(ffffffff82d66da8,9) at pool_get+0xed sys/kern/subr_pool.c:582 fdcopy(ffff80002121d930) at fdcopy+0x48 fdinit sys/kern/kern_descrip.c:1067 [inline] fdcopy(ffff80002121d930) at fdcopy+0x48 sys/kern/kern_descrip.c:1106 process_new(ffff80002120daa0,ffff80002121d930,1) at process_new+0x2bc sys/kern/kern_fork.c:257 fork1(ffff800021288008,1,ffffffff810ce250,0,ffff8000295c1240,0) at fork1+0x318 sys/kern/kern_fork.c:383 syscall(ffff8000295c12c0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000295c12c0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7927374d64f0, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000295c0e30 rbx 0xffff800020d59b9f rdx 0 rcx 0xffff800021288008 rax 0xffff800020d58ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd90ffc869cf4b069 r11 0xe88ad5c77f1d3bfb r12 0xffff800020d599a0 r13 0 r14 0 r15 0x1 rip 0xffffffff81334fdc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff8000295c0e20 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.7) pid=159343 stat=onproc flags process=10 proc=0 pri=16, usrpri=68, nice=20 forw=0xffffffffffffffff, list=0xffff8000212897f0,0xffff800021225aa0 process=0xffff80002121d930 user=0xffff8000295bc000, vmspace=0xfffffd8069b13760 estcpu=18, cpticks=1, pctcpu=0.2 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 41342 4840 12319 32767 3 0x90 piperd syz-executor.2 12319 254201 58451 0 3 0x82 wait syz-executor.2 27137 140931 76295 32767 3 0x90 piperd syz-executor.4 76295 505778 58451 0 3 0x82 wait syz-executor.4 16755 494976 98848 32767 3 0x90 piperd syz-executor.5 98848 210016 58451 0 3 0x82 wait syz-executor.5 * 4318 159343 99969 32767 7 0x10 syz-executor.7 99969 516665 58451 0 3 0x82 wait syz-executor.7 28993 243727 82219 32767 3 0x90 piperd syz-executor.0 82219 400591 58451 0 3 0x82 wait syz-executor.0 65268 275354 28589 32767 3 0x90 piperd syz-executor.1 28589 501886 58451 0 3 0x82 wait syz-executor.1 42686 11288 57203 32767 3 0x90 piperd syz-executor.3 57203 35022 58451 0 3 0x82 wait syz-executor.3 61366 424810 63311 32767 2 0x10 syz-executor.6 63311 235368 58451 0 3 0x82 wait syz-executor.6 88728 215363 0 0 3 0x14200 bored sosplice 58451 503532 71314 0 3 0x2000082 wait syz-fuzzer 58451 16875 71314 0 3 0x6000082 nanoslp syz-fuzzer 58451 270991 71314 0 3 0x6000082 wait syz-fuzzer 58451 445375 71314 0 3 0x6000082 thrsleep syz-fuzzer 58451 244184 71314 0 3 0x6000082 wait syz-fuzzer 58451 512967 71314 0 3 0x6000082 thrsleep syz-fuzzer 58451 295828 71314 0 3 0x6000082 wait syz-fuzzer 58451 213085 71314 0 3 0x6000082 wait syz-fuzzer 58451 169038 71314 0 3 0x6000082 wait syz-fuzzer 58451 309730 71314 0 3 0x6000082 wait syz-fuzzer 58451 19463 71314 0 3 0x6000082 thrsleep syz-fuzzer 58451 317575 71314 0 2 0x6000082 syz-fuzzer 58451 152745 71314 0 2 0x6000002 syz-fuzzer 58451 421155 71314 0 3 0x6000082 wait syz-fuzzer 58451 10357 71314 0 2 0x6000002 syz-fuzzer 58451 497866 71314 0 3 0x6000082 thrsleep syz-fuzzer 71314 261457 98160 0 3 0x10008a sigsusp ksh 98160 36630 69361 0 7 0x12 sshd 10219 390468 1 0 3 0x100083 ttyin getty 69361 391555 1 0 3 0x88 kqread sshd 63879 409633 97005 73 3 0x1100090 kqread syslogd 97005 357037 1 0 3 0x100082 netio syslogd 91861 142035 1 0 3 0x100080 kqread resolvd 32870 438197 25650 77 3 0x100092 kqread dhcpleased 44363 87438 25650 77 3 0x100092 kqread dhcpleased 25650 328388 1 0 3 0x80 kqread dhcpleased 58432 301059 0 0 3 0x14200 bored smr 42399 521409 0 0 2 0x14200 zerothread 55737 38317 0 0 3 0x14200 aiodoned aiodoned 28286 414322 0 0 3 0x14200 syncer update 96107 140529 0 0 3 0x14200 cleaner cleaner 84506 352473 0 0 3 0x14200 reaper reaper 452 504384 0 0 3 0x14200 pgdaemon pagedaemon 17059 386632 0 0 3 0x14200 bored viomb 62872 104982 0 0 3 0x40014200 acpi0 acpi0 85748 494292 0 0 3 0x40014200 idle1 41464 447053 0 0 3 0x14200 bored softnet3 72014 323812 0 0 3 0x14200 bored softnet2 90036 22776 0 0 3 0x14200 bored softnet1 30449 460645 0 0 3 0x14200 bored softnet0 58799 368381 0 0 3 0x14200 bored systqmp 23625 332705 0 0 3 0x14200 bored systq 33711 468135 0 0 3 0x40014200 bored softclock 90440 402566 0 0 3 0x40014200 idle0 1 6996 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex fdescpl r = 0 (0xffffffff82d66db8) #0 witness_lock+0x447 #1 mtx_enter_try+0x104 #2 mtx_enter+0x4f sys/kern/kern_lock.c:266 #3 pool_get+0xc1 sys/kern/subr_pool.c:579 #4 fdcopy+0x48 fdinit sys/kern/kern_descrip.c:1067 [inline] #4 fdcopy+0x48 sys/kern/kern_descrip.c:1106 #5 process_new+0x2bc sys/kern/kern_fork.c:257 #6 fork1+0x318 sys/kern/kern_fork.c:383 #7 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #7 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #8 Xsyscall+0x128 Process 4318 (syz-executor.7) thread 0xffff800021288008 (159343) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82c795f0) #0 witness_lock+0x447 #1 syscall+0x5cd mi_syscall sys/sys/syscall_mi.h:110 [inline] #1 syscall+0x5cd sys/arch/amd64/amd64/trap.c:623 #2 Xsyscall+0x128 exclusive mutex fdescpl r = 0 (0xffffffff82d66db8) #0 witness_lock+0x447 #1 mtx_enter_try+0x104 #2 mtx_enter+0x4f sys/kern/kern_lock.c:266 #3 pool_get+0xc1 sys/kern/subr_pool.c:579 #4 fdcopy+0x48 fdinit sys/kern/kern_descrip.c:1067 [inline] #4 fdcopy+0x48 sys/kern/kern_descrip.c:1106 #5 process_new+0x2bc sys/kern/kern_fork.c:257 #6 fork1+0x318 sys/kern/kern_fork.c:383 #7 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #7 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #8 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10211 6411K 6420K 78643K 11434 0 pcb 13 20K 24K 78643K 21 0 rtable 248 7K 7K 78643K 3005 0 pf 29 8K 8K 78643K 125 0 ifaddr 44 15K 16K 78643K 242 0 ifgroup 50 2K 2K 78643K 242 0 sysctl 2 0K 0K 78643K 2 0 counters 60 35K 35K 78643K 156 0 ioctlops 0 0K 2K 78643K 541 0 iov 0 0K 28K 78643K 2041 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1279 80K 80K 78643K 5607 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 460 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 6940 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 18 65K 113K 78643K 24115 0 sigio 0 0K 0K 78643K 2830 0 proc 56 78K 103K 78643K 3374 0 subproc 104 6K 6K 78643K 728 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1509 0 in_multi 99 7K 7K 78643K 800 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 205 917K 917K 78643K 205 0 exec 0 0K 1K 78643K 3629 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 430 91K 108K 78643K 236061 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 505 0 NDP 11 0K 2K 78643K 171 0 temp 74 5916K 5996K 78643K 62315 0 kqueue 12 18K 34K 78643K 2005 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> 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 120 962 0 959 11 10 1 3 0 8 0 rtentry 112 676 0 559 4 0 4 4 0 8 0 unpcb 144 14053 0 14040 146 145 1 10 0 8 0 syncache 304 303 0 303 42 42 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 292 0 292 36 36 0 1 0 8 0 tcpcb 808 9910 0 9883 218 213 5 22 0 8 0 arp 120 119 0 101 1 0 1 1 0 8 0 ipq 40 153 0 153 14 14 0 1 0 8 0 ipqe 40 851 0 851 14 14 0 1 0 8 0 inpcb 368 40600 0 40570 323 313 10 23 0 8 3 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 1 0 1 1 1 0 1 0 8 0 nd6 136 200 0 169 3 1 2 2 0 8 0 kcovpl 48 56 0 48 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2752 0 2273 36 6 30 31 0 8 0 art_table 32 2753 0 2273 4 0 4 4 0 8 0 art_node 16 675 0 568 1 0 1 1 0 8 0 sysvmsgpl 40 45 0 13 2 1 1 1 0 8 0 semapl 112 6938 0 6928 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 32136 0 30646 94 0 94 94 0 8 0 ffsino 272 32136 0 30646 100 0 100 100 0 8 0 nchpl 144 62958 0 61320 63 0 63 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 200561 0 200561 6 5 1 2 0 8 1 percpumem 16 91 0 48 1 0 1 1 0 8 0 kstatmem 264 118 0 96 2 0 2 2 0 8 0 scxspl 216 193042 0 193042 73 71 2 8 1 8 2 plimitpl 152 3431 0 3408 32 31 1 2 0 8 0 sigapl 424 24319 0 24272 7 0 7 7 0 8 1 futexpl 64 206729 0 206729 6 5 1 1 0 8 1 knotepl 120 1173 0 0 13 1 12 12 0 8 0 kqueuepl 216 5254 0 5245 83 82 1 8 0 8 0 pipepl 320 7012 0 6984 148 140 8 11 0 8 5 fdescpl 496 24301 0 24272 7 2 5 6 0 8 0 pool(0xffffffff82d66da8:fdescpl): page inconsistency: page 0xfffffd8069b1f000; 3 on list, 4 missing, 8 items per page filepl 152 159342 0 159108 307 292 15 25 0 8 5 lockfpl 104 3905 0 3903 2 1 1 2 0 8 0 lockfspl 48 1100 0 1098 1 0 1 1 0 8 0 sessionpl 144 71 0 55 1 0 1 1 0 8 0 pgrppl 48 386 0 370 1 0 1 1 0 8 0 ucredpl 104 20874 0 20856 1 0 1 1 0 8 0 zombiepl 144 24272 0 24272 1 0 1 1 0 8 1 processpl 1072 24320 0 24272 4 0 4 4 0 8 0 procpl 680 66249 0 66185 25 17 8 9 0 8 1 sosppl 168 338 0 338 29 29 0 1 0 8 0 sockpl 488 56470 0 56424 784 769 15 41 0 8 6 mcl64k 65536 25 0 0 3 0 3 3 0 8 0 mcl16k 16384 33 0 0 4 1 3 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 27 0 0 2 0 2 2 0 8 0 mcl8k 8192 57 0 0 5 2 3 3 0 8 0 mcl4k 4096 103 0 0 7 4 3 4 0 8 0 mcl2k2 2112 22 0 0 2 0 2 2 0 8 0 mcl2k 2048 509 0 0 32 16 16 32 0 8 0 mtagpl 96 15 0 0 1 0 1 1 0 8 0 mbufpl 256 2466 0 0 116 0 116 116 0 8 0 bufpl 288 41413 0 35085 453 0 453 453 0 8 0 anonpl 24 2280620 0 2269321 204 109 95 98 0 186 0 amapchunkpl 152 748050 0 747323 174 136 38 49 0 158 3 amappl16 200 44775 0 44490 203 180 23 30 0 8 6 amappl15 192 31 0 30 1 0 1 1 0 8 0 amappl14 184 312 0 298 2 1 1 2 0 8 0 amappl13 176 18 0 18 3 3 0 1 0 8 0 amappl12 168 25684 0 25647 11 9 2 3 0 8 0 amappl11 160 79 0 69 1 0 1 1 0 8 0 amappl10 152 89 0 76 1 0 1 1 0 8 0 amappl9 144 444 0 444 41 40 1 1 0 8 1 amappl8 136 1292 0 1049 10 1 9 9 0 8 0 amappl7 128 244 0 227 2 0 2 2 0 8 0 amappl6 120 906 0 879 2 1 1 2 0 8 0 amappl5 112 917 0 906 1 0 1 1 0 8 0 amappl4 104 2276 0 2234 3 1 2 3 0 8 0 amappl3 96 146323 0 146256 4 1 3 4 0 8 0 amappl2 88 25397 0 25315 5 2 3 3 0 8 1 amappl1 80 94272 0 93755 22 9 13 22 0 8 0 amappl 88 234120 0 233910 7 0 7 7 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 24301 0 24272 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 24301 0 24272 1 0 1 1 0 8 0 vmmpekpl 168 190095 0 190032 4 0 4 4 0 8 0 vmmpepl 168 1413260 0 1410990 352 227 125 136 0 357 0 vmsppl 464 24300 0 24272 7 2 5 6 0 8 0 rwobjpl 56 340701 0 333184 127 16 111 111 0 8 0 pdppl 4096 48610 0 48544 792 712 80 92 0 8 14 pvpl 32 6809390 0 6792159 548 363 185 362 0 265 11 pmappl 248 24300 0 24272 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2221 0 1291 28 0 28 28 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82c29ff0) 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(ffffffff82c793e8) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c793e8) at __mp_lock+0x129 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff82c793e8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c793e8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 doppoll(ffff8000211b2aa8,dbb2ddfa3f0,4,0,ffff800021200f64,ffff800021201030) at doppoll+0x159 sys/kern/sys_generic.c:950 sys_ppoll(ffff8000211b2aa8,ffff800021200fe0,ffff800021201030) at sys_ppoll+0x137 sys/kern/sys_generic.c:916 syscall(ffff8000212010b0) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000212010b0) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f3884e06780, count: 4 ddb{0}> trace x86_ipi_db(ffffffff82c29ff0) 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(ffffffff82c793e8) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c793e8) at __mp_lock+0x129 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff82c793e8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c793e8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 doppoll(ffff8000211b2aa8,dbb2ddfa3f0,4,0,ffff800021200f64,ffff800021201030) at doppoll+0x159 sys/kern/sys_generic.c:950 sys_ppoll(ffff8000211b2aa8,ffff800021200fe0,ffff800021201030) at sys_ppoll+0x137 sys/kern/sys_generic.c:916 syscall(ffff8000212010b0) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000212010b0) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f3884e06780, count: -11 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8280bfc5) at panic+0x17b sys/kern/subr_prf.c:198 pool_do_get(ffffffff82d66da8,9,ffff8000295c0fe8) at pool_do_get+0x484 sys/kern/subr_pool.c:739 pool_get(ffffffff82d66da8,9) at pool_get+0xed sys/kern/subr_pool.c:582 fdcopy(ffff80002121d930) at fdcopy+0x48 fdinit sys/kern/kern_descrip.c:1067 [inline] fdcopy(ffff80002121d930) at fdcopy+0x48 sys/kern/kern_descrip.c:1106 process_new(ffff80002120daa0,ffff80002121d930,1) at process_new+0x2bc sys/kern/kern_fork.c:257 fork1(ffff800021288008,1,ffffffff810ce250,0,ffff8000295c1240,0) at fork1+0x318 sys/kern/kern_fork.c:383 syscall(ffff8000295c12c0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000295c12c0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7927374d64f0, count: 6 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8280bfc5) at panic+0x17b sys/kern/subr_prf.c:198 pool_do_get(ffffffff82d66da8,9,ffff8000295c0fe8) at pool_do_get+0x484 sys/kern/subr_pool.c:739 pool_get(ffffffff82d66da8,9) at pool_get+0xed sys/kern/subr_pool.c:582 fdcopy(ffff80002121d930) at fdcopy+0x48 fdinit sys/kern/kern_descrip.c:1067 [inline] fdcopy(ffff80002121d930) at fdcopy+0x48 sys/kern/kern_descrip.c:1106 process_new(ffff80002120daa0,ffff80002121d930,1) at process_new+0x2bc sys/kern/kern_fork.c:257 fork1(ffff800021288008,1,ffffffff810ce250,0,ffff8000295c1240,0) at fork1+0x318 sys/kern/kern_fork.c:383 syscall(ffff8000295c12c0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000295c12c0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7927374d64f0, count: -9