panic: pool_do_get: fdescpl free list modified: page 0xfffffd8069445000; item addr 0xfffffd80694453f0; offset 0x48=0xdeafbeaf Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *250593 11240 32767 0x10 0 1K syz-executor.4 270346 69000 0 0x2 0x4000000 0 syz-fuzzer db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825fac54) at panic+0x177 sys/kern/subr_prf.c:202 pool_do_get(ffffffff82a53b18,9,ffff800021210438) at pool_do_get+0x474 sys/kern/subr_pool.c:741 pool_get(ffffffff82a53b18,9) at pool_get+0xe9 sys/kern/subr_pool.c:584 fdcopy(ffff8000fffe9d30) at fdcopy+0x44 fdinit sys/kern/kern_descrip.c:1072 [inline] fdcopy(ffff8000fffe9d30) at fdcopy+0x44 sys/kern/kern_descrip.c:1111 process_new(ffff8000fffee540,ffff8000fffe9d30,1) at process_new+0x13b sys/kern/kern_fork.c:259 fork1(ffff8000fffeed20,1,ffffffff81e04330,0,ffff800021210670,0) at fork1+0x30b sys/kern/kern_fork.c:383 syscall(ffff8000212106e0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000212106e0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffca250, 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 0xfffffd8069445000; item addr 0xfffffd80694453f0; offset 0x48=0xdeafbeaf ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825fac54) at panic+0x177 sys/kern/subr_prf.c:202 pool_do_get(ffffffff82a53b18,9,ffff800021210438) at pool_do_get+0x474 sys/kern/subr_pool.c:741 pool_get(ffffffff82a53b18,9) at pool_get+0xe9 sys/kern/subr_pool.c:584 fdcopy(ffff8000fffe9d30) at fdcopy+0x44 fdinit sys/kern/kern_descrip.c:1072 [inline] fdcopy(ffff8000fffe9d30) at fdcopy+0x44 sys/kern/kern_descrip.c:1111 process_new(ffff8000fffee540,ffff8000fffe9d30,1) at process_new+0x13b sys/kern/kern_fork.c:259 fork1(ffff8000fffeed20,1,ffffffff81e04330,0,ffff800021210670,0) at fork1+0x30b sys/kern/kern_fork.c:383 syscall(ffff8000212106e0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000212106e0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffca250, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800021210280 rbx 0xffff800020ce9c5f rdx 0 rcx 0 rax 0xffff8000fffeed20 r8 0x101010101010101 r9 0x8080808080808080 r10 0xf23f75960720b607 r11 0xccfdb61b7f1db586 r12 0xffff800020ce9a60 r13 0 r14 0 r15 0x1 rip 0xffffffff81775758 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021210270 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.4) pid=250593 stat=onproc flags process=10 proc=0 pri=17, usrpri=84, nice=20 forw=0xffffffffffffffff, list=0xffff8000fffee2a0,0xffff8000fffeea90 process=0xffff8000fffe9d30 user=0xffff80002120b000, vmspace=0xfffffd807d05e460 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 93092 503625 18565 32767 2 0x10 syz-executor.6 11981 107931 79712 32767 2 0x10 syz-executor.1 11981 487864 79712 32767 3 0x4000010 fdlock syz-executor.1 11981 191032 79712 32767 3 0x4000090 fsleep syz-executor.1 41136 370425 88624 32767 2 0x10 syz-executor.5 41136 30505 88624 32767 3 0x4000090 fsleep syz-executor.5 *11240 250593 31715 32767 7 0x10 syz-executor.4 31715 73623 69000 0 3 0x82 wait syz-executor.4 84939 176738 64417 32767 3 0x90 nanoslp syz-executor.0 64417 499206 69000 0 3 0x82 wait syz-executor.0 88641 135322 83104 32767 3 0x10 biowait syz-executor.2 83104 230505 69000 0 3 0x82 wait syz-executor.2 18565 19195 7546 32767 3 0x90 nanoslp syz-executor.6 7546 512916 69000 0 3 0x82 wait syz-executor.6 84991 147158 95096 32767 3 0x10 biowait syz-executor.3 95096 294346 69000 0 3 0x82 wait syz-executor.3 79712 67452 56240 32767 3 0x90 nanoslp syz-executor.1 56240 20208 69000 0 3 0x82 wait syz-executor.1 72503 147025 0 0 3 0x14200 bored sosplice 65832 462237 90549 32767 3 0x90 nanoslp syz-executor.7 90549 111116 69000 0 3 0x82 wait syz-executor.7 88624 215536 20269 32767 3 0x90 nanoslp syz-executor.5 20269 318552 69000 0 3 0x82 wait syz-executor.5 69000 247823 52591 0 3 0x82 thrsleep syz-fuzzer 69000 54881 52591 0 3 0x4000082 nanoslp syz-fuzzer 69000 351533 52591 0 3 0x4000082 thrsleep syz-fuzzer 69000 484034 52591 0 3 0x4000082 thrsleep syz-fuzzer 69000 469633 52591 0 3 0x4000082 thrsleep syz-fuzzer 69000 126305 52591 0 3 0x4000082 thrsleep syz-fuzzer 69000 336131 52591 0 3 0x4000082 nanoslp syz-fuzzer 69000 238352 52591 0 3 0x4000082 thrsleep syz-fuzzer 69000 351365 52591 0 3 0x4000082 thrsleep syz-fuzzer 69000 270346 52591 0 7 0x4000002 syz-fuzzer 52591 48709 72695 0 3 0x10008a sigsusp ksh 72695 55467 91307 0 3 0x9a kqread sshd 18652 450463 1 0 3 0x100083 ttyin getty 91307 247561 1 0 3 0x88 kqread sshd 75104 355196 83445 73 3 0x1100090 kqread syslogd 83445 206517 1 0 3 0x100082 netio syslogd 70670 254595 1 0 3 0x100080 kqread resolvd 70241 300515 32287 77 3 0x100092 kqread dhcpleased 33715 189357 32287 77 3 0x100092 kqread dhcpleased 32287 501886 1 0 3 0x80 kqread dhcpleased 78126 123699 0 0 3 0x14200 bored smr 59126 315331 0 0 2 0x14200 zerothread 94030 493988 0 0 3 0x14200 aiodoned aiodoned 66076 318589 0 0 3 0x14200 syncer update 90056 398681 0 0 3 0x14200 cleaner cleaner 55572 115783 0 0 3 0x14200 reaper reaper 9959 50872 0 0 3 0x14200 pgdaemon pagedaemon 8292 398968 0 0 3 0x14200 bored viomb 22552 31150 0 0 3 0x40014200 acpi0 acpi0 43712 171675 0 0 3 0x40014200 idle1 54550 200318 0 0 3 0x14200 bored softnet 70056 431878 0 0 3 0x14200 bored softnet 39824 321561 0 0 3 0x14200 bored softnet 51512 253603 0 0 3 0x14200 bored softnet 36800 35012 0 0 3 0x14200 bored systqmp 46896 59494 0 0 3 0x14200 bored systq 82295 190887 0 0 3 0x40014200 bored softclock 86437 191942 0 0 3 0x40014200 idle0 1 491520 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 (0xffffffff82a53b28) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbd sys/kern/subr_pool.c:581 #4 fdcopy+0x44 fdinit sys/kern/kern_descrip.c:1072 [inline] #4 fdcopy+0x44 sys/kern/kern_descrip.c:1111 #5 process_new+0x13b sys/kern/kern_fork.c:259 #6 fork1+0x30b sys/kern/kern_fork.c:383 #7 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #7 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #8 Xsyscall+0x128 Process 11981 (syz-executor.1) thread 0xffff8000fffee000 (487864) exclusive rwlock sysctllk r = 0 (0xffffffff82928c70) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 sys_sysctl+0x1b3 sys/kern/kern_sysctl.c:233 #3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 Process 11240 (syz-executor.4) thread 0xffff8000fffeed20 (250593) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a102b0) #0 witness_lock+0x44d #1 syscall+0x3ef mi_syscall sys/sys/syscall_mi.h:93 [inline] #1 syscall+0x3ef sys/arch/amd64/amd64/trap.c:585 #2 Xsyscall+0x128 exclusive mutex fdescpl r = 0 (0xffffffff82a53b28) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbd sys/kern/subr_pool.c:581 #4 fdcopy+0x44 fdinit sys/kern/kern_descrip.c:1072 [inline] #4 fdcopy+0x44 sys/kern/kern_descrip.c:1111 #5 process_new+0x13b sys/kern/kern_fork.c:259 #6 fork1+0x30b sys/kern/kern_fork.c:383 #7 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #7 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #8 Xsyscall+0x128 Process 88641 (syz-executor.2) thread 0xffff8000260ec2a0 (135322) exclusive rrwlock inode r = 0 (0xfffffd805d8a13c8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e5e9a38) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3086 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 84991 (syz-executor.3) thread 0xffff8000fffe77b0 (147158) exclusive rrwlock inode r = 0 (0xfffffd805d8a1b38) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807955bf88) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3086 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10210 6412K 6420K 78643K 11386 0 pcb 13 12K 14K 78643K 17 0 rtable 240 6K 7K 78643K 2627 0 ifaddr 81 17K 17K 78643K 280 0 sysctl 3 1K 3K 78643K 6 0 counters 56 35K 35K 78643K 112 0 ioctlops 0 0K 2K 78643K 255 0 iov 0 0K 32K 78643K 9914 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1271 79K 79K 78643K 8526 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 285 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 7873 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 21 77K 113K 78643K 29052 0 sigio 0 0K 0K 78643K 703 0 proc 56 78K 115K 78643K 3360 0 subproc 104 6K 6K 78643K 468 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 2490 0 in_multi 99 6K 7K 78643K 698 0 ether_multi 1 0K 0K 78643K 113 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 259 1155K 1155K 78643K 259 0 exec 0 0K 2K 78643K 5444 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 317 87K 4566K 78643K 186985 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 858 0 NDP 11 0K 2K 78643K 111 0 temp 125 4731K 4858K 78643K 72956 0 kqueue 12 18K 32K 78643K 2966 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 2470 0 2467 31 30 1 3 0 8 0 rtentry 112 452 0 339 4 0 4 4 0 8 0 unpcb 136 19776 0 19763 194 193 1 9 0 8 0 syncache 296 349 0 349 66 66 0 1 0 8 0 tcpqe 32 210 0 210 41 41 0 1 0 8 0 tcpcb 736 12163 0 12150 377 372 5 20 0 8 3 arp 120 84 0 66 1 0 1 1 0 8 0 ipq 40 8 0 8 5 5 0 1 0 8 0 ipqe 40 19 0 19 5 5 0 1 0 8 0 inpcb 312 25726 0 25710 411 407 4 16 0 8 1 ip6q 72 39 0 39 8 8 0 1 0 8 0 ip6af 40 117 0 117 8 8 0 1 0 8 0 nd6 48 131 0 104 1 0 1 1 0 8 0 kcovpl 48 36 0 28 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1784 0 1321 36 6 30 31 0 8 0 art_table 32 1785 0 1321 4 0 4 4 0 8 0 art_node 16 451 0 348 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 0 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 7871 0 7861 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 41965 0 40462 95 0 95 95 0 8 0 ffsino 272 41965 0 40462 101 0 101 101 0 8 0 nchpl 144 80999 0 79358 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 308999 0 308997 6 5 1 2 0 8 0 percpumem 16 68 0 28 1 0 1 1 0 8 0 kstatmem 264 78 0 56 2 0 2 2 0 8 0 scxspl 216 228455 0 228453 87 86 1 8 0 8 0 plimitpl 152 6765 0 6743 28 26 2 2 0 8 1 sigapl 424 29273 0 29221 7 0 7 7 0 8 0 futexpl 64 277442 0 277440 6 5 1 1 0 8 0 knotepl 120 2088 0 0 18 1 17 17 0 8 0 kqueuepl 216 10556 0 10544 170 169 1 8 0 8 0 pipepl 336 8511 0 8483 247 244 3 13 0 8 0 fdescpl 496 29255 0 29223 7 2 5 6 0 8 0 pool(0xffffffff82a53b18:fdescpl): page inconsistency: page 0xfffffd8069445000; 3 on list, 4 missing, 8 items per page filepl 152 230830 0 230591 425 412 13 22 0 8 3 lockfpl 104 5061 0 5059 8 7 1 4 0 8 0 lockfspl 48 1333 0 1331 1 0 1 1 0 8 0 sessionpl 144 51 0 35 1 0 1 1 0 8 0 pgrppl 48 205 0 189 1 0 1 1 0 8 0 ucredpl 96 41491 0 41473 1 0 1 1 0 8 0 zombiepl 144 29223 0 29221 2 1 1 1 0 8 0 processpl 1064 29274 0 29221 4 0 4 4 0 8 0 procpl 672 90614 0 90549 79 72 7 9 0 8 0 sosppl 168 587 0 587 54 53 1 1 0 8 1 sockpl 480 49082 0 49050 1040 1031 9 34 0 8 4 mcl64k 65536 73 0 0 5 2 3 3 0 8 0 mcl16k 16384 41 0 0 3 0 3 3 0 8 0 mcl12k 12288 49 0 0 2 0 2 2 0 8 0 mcl9k 9216 25 0 0 2 0 2 2 0 8 0 mcl8k 8192 98 0 0 10 7 3 3 0 8 0 mcl4k 4096 69 0 0 5 3 2 3 0 8 0 mcl2k2 2112 22 0 0 2 0 2 2 0 8 0 mcl2k 2048 486 0 0 20 6 14 20 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 2206 0 0 55 13 42 42 0 8 0 bufpl 288 47523 0 41192 453 0 453 453 0 8 0 anonpl 24 29290744 0 29274080 1444 1280 164 230 0 186 0 amapchunkpl 152 6153753 0 6153176 67092 66934 158 4438 0 158 131 amappl16 200 1449916 0 1449305 6419 6373 46 96 0 8 8 amappl15 192 5153 0 5150 1 0 1 1 0 8 0 amappl14 184 4407 0 4397 1 0 1 1 0 8 0 amappl13 176 4237 0 4232 1 0 1 1 0 8 0 amappl12 168 71 0 62 1 0 1 1 0 8 0 amappl11 160 5280 0 5261 1 0 1 1 0 8 0 amappl10 152 1026 0 1019 1 0 1 1 0 8 0 amappl9 144 4133 0 4129 1 0 1 1 0 8 0 amappl8 136 11643 0 11476 9 3 6 6 0 8 0 amappl7 128 10284 0 10271 1 0 1 1 0 8 0 amappl6 120 4072 0 4051 2 1 1 2 0 8 0 amappl5 112 22748 0 22731 1 0 1 1 0 8 0 amappl4 104 14809 0 14772 5 3 2 2 0 8 0 amappl3 96 91578 0 91533 2 0 2 2 0 8 0 amappl2 88 35291 0 35226 3 1 2 3 0 8 0 amappl1 80 710041 0 709406 59 42 17 19 0 8 0 amappl 88 184336 0 184170 6 1 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 29255 0 29223 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 29255 0 29223 1 0 1 1 0 8 0 vmmpekpl 168 262252 0 262197 4 1 3 4 0 8 0 vmmpepl 168 4271328 0 4268554 1194 1036 158 196 0 357 13 vmsppl 368 29254 0 29223 4 0 4 4 0 8 0 rwobjpl 56 2100577 0 2092871 380 259 121 128 0 8 0 pdppl 4096 58517 0 58446 664 583 81 89 0 8 10 pvpl 32 35590575 0 35568694 1711 1424 287 362 0 265 31 pmappl 248 29254 0 29223 4 1 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 2499 0 1650 26 0 26 26 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82967ff0) 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 __mp_lock(ffffffff82a100a8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a100a8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff80002609db20,ffff80000004bd00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f __mp_lock(ffffffff82a100a8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a100a8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 kqueue_scan(ffff80002609dd10,8,ffff80002609de10,ffff80002609df10,ffff8000fffe7510,ffff80002609df6c) at kqueue_scan+0xdb sys/kern/kern_event.c:1300 sys_kevent(ffff8000fffe7510,ffff80002609dfd0,ffff80002609e030) at sys_kevent+0x4a4 sys/kern/kern_event.c:987 syscall(ffff80002609e0a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002609e0a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x285b1f7e0, count: 4 ddb{0}> trace x86_ipi_db(ffffffff82967ff0) 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 __mp_lock(ffffffff82a100a8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a100a8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff80002609db20,ffff80000004bd00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f __mp_lock(ffffffff82a100a8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a100a8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 kqueue_scan(ffff80002609dd10,8,ffff80002609de10,ffff80002609df10,ffff8000fffe7510,ffff80002609df6c) at kqueue_scan+0xdb sys/kern/kern_event.c:1300 sys_kevent(ffff8000fffe7510,ffff80002609dfd0,ffff80002609e030) at sys_kevent+0x4a4 sys/kern/kern_event.c:987 syscall(ffff80002609e0a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002609e0a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x285b1f7e0, count: -11 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825fac54) at panic+0x177 sys/kern/subr_prf.c:202 pool_do_get(ffffffff82a53b18,9,ffff800021210438) at pool_do_get+0x474 sys/kern/subr_pool.c:741 pool_get(ffffffff82a53b18,9) at pool_get+0xe9 sys/kern/subr_pool.c:584 fdcopy(ffff8000fffe9d30) at fdcopy+0x44 fdinit sys/kern/kern_descrip.c:1072 [inline] fdcopy(ffff8000fffe9d30) at fdcopy+0x44 sys/kern/kern_descrip.c:1111 process_new(ffff8000fffee540,ffff8000fffe9d30,1) at process_new+0x13b sys/kern/kern_fork.c:259 fork1(ffff8000fffeed20,1,ffffffff81e04330,0,ffff800021210670,0) at fork1+0x30b sys/kern/kern_fork.c:383 syscall(ffff8000212106e0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000212106e0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffca250, count: 6 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825fac54) at panic+0x177 sys/kern/subr_prf.c:202 pool_do_get(ffffffff82a53b18,9,ffff800021210438) at pool_do_get+0x474 sys/kern/subr_pool.c:741 pool_get(ffffffff82a53b18,9) at pool_get+0xe9 sys/kern/subr_pool.c:584 fdcopy(ffff8000fffe9d30) at fdcopy+0x44 fdinit sys/kern/kern_descrip.c:1072 [inline] fdcopy(ffff8000fffe9d30) at fdcopy+0x44 sys/kern/kern_descrip.c:1111 process_new(ffff8000fffee540,ffff8000fffe9d30,1) at process_new+0x13b sys/kern/kern_fork.c:259 fork1(ffff8000fffeed20,1,ffffffff81e04330,0,ffff800021210670,0) at fork1+0x30b sys/kern/kern_fork.c:383 syscall(ffff8000212106e0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000212106e0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffca250, count: -9