panic: pool_do_get: pdppl free list modified: page 0xfffffd806c8ea000; item addr 0xfffffd806c8ea000; offset 0x0=0xd75fb6b22439ab8d != 0xd75fb6b22439abcf Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *398894 54394 0 0x2 0 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83482362) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff83ac3a88,1,ffff80002a31e218) at pool_do_get+0x597 sys/kern/subr_pool.c:747 pool_get(ffffffff83ac3a88,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 pmap_create() at pmap_create+0x126 sys/arch/amd64/amd64/pmap.c:1381 uvmspace_fork(ffff800039bd9d08) at uvmspace_fork+0x7f uvmspace_init sys/uvm/uvm_map.c:-1 [inline] uvmspace_fork(ffff800039bd9d08) at uvmspace_fork+0x7f uvmspace_alloc sys/uvm/uvm_map.c:3258 [inline] uvmspace_fork(ffff800039bd9d08) at uvmspace_fork+0x7f sys/uvm/uvm_map.c:3743 process_new(ffff800039bc9260,ffff800039bd9d08,1) at process_new+0x577 sys/kern/kern_fork.c:281 fork1(ffff8000373b3a10,1,ffffffff827c0eb0,0,ffff80002a31e4a0,0) at fork1+0x3f6 sys/kern/kern_fork.c:-1 syscall(ffff80002a31e550) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a31e550) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7721421a5550, count: 5 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: pool_do_get: pdppl free list modified: page 0xfffffd806c8ea000; item addr 0xfffffd806c8ea000; offset 0x0=0xd75fb6b22439ab8d != 0xd75fb6b22439abcf ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83482362) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff83ac3a88,1,ffff80002a31e218) at pool_do_get+0x597 sys/kern/subr_pool.c:747 pool_get(ffffffff83ac3a88,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 pmap_create() at pmap_create+0x126 sys/arch/amd64/amd64/pmap.c:1381 uvmspace_fork(ffff800039bd9d08) at uvmspace_fork+0x7f uvmspace_init sys/uvm/uvm_map.c:-1 [inline] uvmspace_fork(ffff800039bd9d08) at uvmspace_fork+0x7f uvmspace_alloc sys/uvm/uvm_map.c:3258 [inline] uvmspace_fork(ffff800039bd9d08) at uvmspace_fork+0x7f sys/uvm/uvm_map.c:3743 process_new(ffff800039bc9260,ffff800039bd9d08,1) at process_new+0x577 sys/kern/kern_fork.c:281 fork1(ffff8000373b3a10,1,ffffffff827c0eb0,0,ffff80002a31e4a0,0) at fork1+0x3f6 sys/kern/kern_fork.c:-1 syscall(ffff80002a31e550) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a31e550) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7721421a5550, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a31e040 rbx 0xffffffff838fde07 cpu_info_full_primary+0x2e07 rdx 0 rcx 0xffff8000373b3a10 rax 0xffffffff838fcff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x1afa422a9509107e r11 0x645a9f994711f602 r12 0xffffffff838fdc08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff8203dd95 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a31e030 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=398894 pid=54394 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=0xffff80003c481788,0xffff80003c480570 process=0xffff800039bd9d08 user=0xffff80002a319000, vmspace=0xfffffd806f5b81f0 estcpu=36, cpticks=57, pctcpu=0.2, user=1, sys=47, intr=9 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 27902 212582 75400 0 2 0 syz-executor 69405 63711 8603 0 2 0 syz-executor 69405 500275 8603 0 3 0x4000080 kqsel syz-executor 53784 151328 2847 0 2 0 syz-executor 53784 295151 2847 0 3 0x4000080 netcon syz-executor 18283 116455 43883 0 2 0 syz-executor 18283 206680 43883 0 2 0x4000000 syz-executor 18283 249905 43883 0 3 0x4000080 pipewr syz-executor 18283 222042 43883 0 2 0x4000000 syz-executor 82337 495286 2468 60929 2 0x10 syz-executor 82337 32756 2468 60929 3 0x4000090 fsleep syz-executor 82337 267136 2468 60929 3 0x4000090 lockf syz-executor 3226 67536 68393 0 2 0 syz-executor 3226 379841 68393 0 3 0x4000080 ttyout syz-executor 3226 202489 68393 0 3 0x4000080 ttyout syz-executor 3226 204036 68393 0 3 0x4000080 fsleep syz-executor 23098 123169 1 0 3 0x82 nanoslp getty 2468 172513 2881 0 2 0x2 syz-executor 43883 490793 2881 0 2 0x2 syz-executor 75400 84682 2881 0 3 0x82 nanoslp syz-executor 8603 234580 2881 0 3 0x82 nanoslp syz-executor *54394 398894 2881 0 7 0x2 syz-executor 35964 513462 0 0 3 0x14280 nfsidl nfsio 74170 392653 0 0 3 0x14280 nfsidl nfsio 46714 142460 0 0 3 0x14280 nfsidl nfsio 88805 12891 0 0 3 0x14280 nfsidl nfsio 23252 142882 0 0 3 0x14280 nfsidl nfsio 64955 5414 0 0 3 0x14280 nfsidl nfsio 92763 509230 0 0 3 0x14280 nfsidl nfsio 57756 438408 0 0 3 0x14280 nfsidl nfsio 59787 337697 0 0 3 0x14280 nfsidl nfsio 10232 387497 0 0 3 0x14280 nfsidl nfsio 54734 15476 0 0 3 0x14280 nfsidl nfsio 33781 149977 0 0 3 0x14280 nfsidl nfsio 57480 310059 0 0 3 0x14280 nfsidl nfsio 80700 226848 0 0 3 0x14280 nfsidl nfsio 76422 2208 0 0 3 0x14280 nfsidl nfsio 23841 223088 0 0 3 0x14280 nfsidl nfsio 36173 130831 0 0 3 0x14280 nfsidl nfsio 28668 477150 0 0 3 0x14280 nfsidl nfsio 37983 371868 0 0 3 0x14280 nfsidl nfsio 13193 71577 0 0 3 0x14280 nfsidl nfsio 99156 30490 19470 0 3 0x100082 sbwait ndp 19470 382675 1 0 3 0x10008a sigsusp sh 52701 456110 2881 0 2 0x2 syz-executor 68393 259696 2881 0 2 0x2 syz-executor 2847 238265 2881 0 2 0x2 syz-executor 2881 28204 43314 0 3 0x82 kqread syz-executor 43314 519964 50454 0 3 0x10008a sigsusp ksh 50454 479863 8737 0 3 0x98 kqread sshd-session 8737 59970 71122 0 3 0x92 kqread sshd-session 71122 178846 1 0 3 0x88 kqread sshd 96749 445507 450 74 3 0x1100092 bpf pflogd 450 488567 1 0 3 0x80 sbwait pflogd 95075 62342 25231 73 3 0x1100090 kqread syslogd 25231 273067 1 0 3 0x100082 sbwait syslogd 7615 144517 1 0 3 0x100080 kqread resolvd 91670 32996 12045 77 3 0x100092 kqread dhcpleased 60618 301026 12045 77 3 0x100092 kqread dhcpleased 12045 343164 1 0 3 0x80 kqread dhcpleased 45190 274970 0 0 3 0x14200 bored smr 33805 378713 0 0 2 0x14200 zerothread 26683 305173 0 0 3 0x14200 aiodoned aiodoned 8311 14488 0 0 3 0x14200 syncer update 54133 297352 0 0 3 0x14200 cleaner cleaner 67181 462171 0 0 3 0x14200 reaper reaper 50508 380395 0 0 3 0x14200 pgdaemon pagedaemon 2717 430810 0 0 3 0x14200 bored viomb 68954 466677 0 0 3 0x40014200 acpi0 acpi0 70147 4072 0 0 7 0x40014200 idle1 43719 301282 0 0 3 0x14200 bored softnet1 96255 449950 0 0 3 0x14200 bored softnet0 76654 158915 0 0 3 0x14200 bored systqmp 12404 45131 0 0 3 0x14200 bored systq 86454 180037 0 0 3 0x14200 tmoslp softclockmp 42222 38625 0 0 3 0x40014200 tmoslp softclock 50187 457244 0 0 3 0x40014200 idle0 1 9505 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex pdppl r = 0 (0xffffffff83ac3aa0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 pool_get+0x124 sys/kern/subr_pool.c:585 #3 pmap_create+0x126 sys/arch/amd64/amd64/pmap.c:1381 #4 uvmspace_fork+0x7f uvmspace_init sys/uvm/uvm_map.c:-1 [inline] #4 uvmspace_fork+0x7f uvmspace_alloc sys/uvm/uvm_map.c:3258 [inline] #4 uvmspace_fork+0x7f sys/uvm/uvm_map.c:3743 #5 process_new+0x577 sys/kern/kern_fork.c:281 #6 fork1+0x3f6 sys/kern/kern_fork.c:-1 #7 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #8 Xsyscall+0x128 Process 54394 (syz-executor) thread 0xffff8000373b3a10 (398894) exclusive rwlock vmmaplk r = 0 (0xfffffd806f5b82f0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3743 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839dd0c0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 #2 Xsyscall+0x128 exclusive mutex pdppl r = 0 (0xffffffff83ac3aa0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 pool_get+0x124 sys/kern/subr_pool.c:585 #3 pmap_create+0x126 sys/arch/amd64/amd64/pmap.c:1381 #4 uvmspace_fork+0x7f uvmspace_init sys/uvm/uvm_map.c:-1 [inline] #4 uvmspace_fork+0x7f uvmspace_alloc sys/uvm/uvm_map.c:3258 [inline] #4 uvmspace_fork+0x7f sys/uvm/uvm_map.c:3743 #5 process_new+0x577 sys/kern/kern_fork.c:281 #6 fork1+0x3f6 sys/kern/kern_fork.c:-1 #7 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #8 Xsyscall+0x128 Process 52701 (syz-executor) thread 0xffff8000fffee2b0 (456110) exclusive rrwlock inode r = 0 (0xfffffd806e804120) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x98a sys/kern/vfs_lookup.c:567 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cd14d70) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11104 12109K 13982K 166960K 14540 0 pcb 17 20K 28K 166960K 702 0 rtable 204 15K 16K 166960K 1027 0 pf 39 18K 82K 166960K 463 0 ifaddr 33 7K 9K 166960K 245 0 ifgroup 46 2K 2K 166960K 443 0 sysctl 3 1K 9K 166960K 95 0 counters 70 36K 38K 166960K 578 0 ioctlops 0 0K 4K 166960K 2254 0 iov 0 0K 20K 166960K 199 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1484 93K 94K 166960K 4108 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 220 0 dirhash 12 2K 2K 166960K 75 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 19 69K 248K 166960K 2693 0 sigio 0 0K 0K 166960K 71 0 proc 73 115K 212K 166960K 1036 0 subproc 81 5K 5K 166960K 145 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 366 0 in_multi 58 4K 7K 166960K 337 0 ether_multi 1 0K 0K 166960K 30 0 mrt 1 0K 0K 166960K 58 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 271 1208K 1208K 166960K 271 0 exec 0 0K 1K 166960K 1005 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 234 161K 190K 166960K 25730 0 UVM aobj 13 16K 18K 166960K 16 0 pinsyscall 45 90K 104K 166960K 4088 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 282 0 NDP 11 0K 2K 166960K 176 0 temp 85 9084K 9212K 166960K 91457 0 kqueue 15 24K 32K 166960K 571 0 SYN cache 2 16K 16K 166960K 2 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 120 306 0 301 3 1 2 2 0 8 1 rtentry 176 287 0 221 6 0 6 6 0 8 0 unpcb 144 1580 0 1560 11 10 1 4 0 8 0 syncache 336 8 0 8 2 2 0 1 0 8 0 tcpqe 32 3 0 3 2 2 0 1 0 8 0 tcpcb 736 1267 0 1261 33 26 7 10 0 8 6 arp 136 40 0 28 1 0 1 1 0 8 0 inpcb 328 3402 0 3391 29 22 7 10 0 8 5 nd6 152 70 0 50 2 0 2 2 0 8 0 pkpcb 40 15 0 15 7 7 0 1 0 8 0 kcovpl 48 16 0 7 1 0 1 1 0 8 0 mppekey 1024 2 0 2 2 2 0 1 0 8 0 ppxss 1192 206 0 204 2 1 1 1 0 8 0 pppxif 1504 23 0 23 3 2 1 1 0 8 1 pfstscr 40 4 0 4 2 2 0 1 0 8 0 pffrag 232 25 0 13 1 0 1 1 0 482 0 pffrnode 88 19 0 10 1 0 1 1 0 8 0 pffrent 40 44 0 32 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 8 0 2 1 0 1 1 0 8 0 pfanchor 1288 7 0 0 1 0 1 1 0 8 0 pftag 88 13 0 2 1 0 1 1 0 8 0 pfstitem 24 169 0 82 1 0 1 1 0 8 0 pfstkey 128 187 0 101 5 1 4 4 0 8 0 pfstate 448 176 0 91 11 0 11 11 0 8 0 pfrule 1360 49 0 34 3 1 2 2 0 8 0 rttmr 136 3 0 3 3 3 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 1448 0 1079 39 5 34 37 0 8 1 art_table 40 1452 0 1079 6 0 6 6 0 8 0 art_node 32 286 0 228 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semupl 112 3 0 3 3 3 0 1 0 8 0 semapl 112 216 0 206 1 0 1 1 0 8 0 shmpl 112 4 0 1 1 0 1 1 0 8 0 dirhash 1024 61 0 44 3 0 3 3 0 8 0 dino2pl 256 6799 0 5323 93 0 93 93 0 8 0 ffsino 296 6799 0 5323 115 0 115 115 0 8 0 nchpl 144 10349 0 8621 65 0 65 65 0 8 0 rtmask 32 27 0 26 5 4 1 1 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 37554 0 37554 4 3 1 2 0 8 1 percpumem 16 304 0 254 1 0 1 1 0 8 0 vcpupl 3968 9 0 2 1 0 1 1 0 8 0 vmpool 848 9 0 2 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 290 0 264 6 3 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 14 0 14 4 4 0 1 0 8 0 scxspl 216 62507 0 62506 18 16 2 8 1 8 1 plimitpl 152 621 0 603 1 0 1 1 0 8 0 sigapl 424 2988 0 2919 9 0 9 9 0 8 0 knotepl 120 715 0 0 22 0 22 22 0 8 0 kqueuepl 224 1211 0 1134 16 11 5 5 0 8 0 pipepl 344 447 0 416 9 3 6 9 0 8 3 fdescpl 528 2946 0 2913 3 0 3 3 0 8 0 filepl 160 21554 0 21251 34 20 14 21 0 8 0 lockfpl 104 1407 0 1403 4 3 1 2 0 8 0 lockfspl 48 571 0 568 1 0 1 1 0 8 0 sessionpl 144 37 0 29 1 0 1 1 0 8 0 pgrppl 48 90 0 73 1 0 1 1 0 8 0 ucredpl 104 3599 0 3585 1 0 1 1 0 8 0 zombiepl 144 2919 0 2919 1 0 1 1 0 8 1 processpl 1232 2988 0 2919 6 0 6 6 0 8 0 procpl 664 6905 0 6826 8 0 8 8 0 8 0 sosppl 176 25 0 25 5 4 1 1 0 8 1 sockpl 752 5526 0 5490 44 33 11 17 0 8 6 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 117 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 60 0 0 6 0 6 6 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 1722 0 0 105 0 105 105 0 8 0 bufpl 280 23649 0 17519 439 1 438 439 0 8 0 anonpl 32 11773 0 0 95 0 95 95 0 246 0 amapchunkpl 152 87009 0 86538 53 26 27 37 0 158 3 amappl16 200 9060 0 9022 67 55 12 28 0 8 3 amappl15 192 12 0 11 1 0 1 1 0 8 0 amappl14 184 533 0 531 1 0 1 1 0 8 0 amappl13 176 159 0 146 1 0 1 1 0 8 0 amappl12 168 3239 0 3209 2 0 2 2 0 8 0 amappl11 160 4 0 3 1 0 1 1 0 8 0 amappl10 152 64 0 50 1 0 1 1 0 8 0 amappl9 144 262 0 261 2 1 1 1 0 8 0 amappl8 136 140 0 137 1 0 1 1 0 8 0 amappl7 128 181 0 166 1 0 1 1 0 8 0 amappl6 120 244 0 241 1 0 1 1 0 8 0 amappl5 112 110 0 99 1 0 1 1 0 8 0 amappl4 104 356 0 334 1 0 1 1 0 8 0 amappl3 96 17936 0 17831 4 0 4 4 0 8 0 amappl2 88 700 0 634 2 0 2 2 0 8 0 amappl1 80 22700 0 22070 18 3 15 17 0 8 0 amappl 88 24420 0 24262 5 0 5 5 0 92 0 uvmvnodes 80 184 0 0 4 0 4 4 0 8 0 dma65536 65536 2 0 2 2 1 1 1 0 8 1 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 260 0 260 5 5 0 1 0 8 0 dma64 64 8 0 8 3 2 1 1 0 8 1 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 15 0 3 1 0 1 1 0 8 0 uaddrrnd 24 2945 0 2913 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2945 0 2913 1 0 1 1 0 8 0 vmmpekpl 168 23350 0 23294 4 0 4 4 0 8 0 vmmpepl 168 190230 0 188269 137 29 108 113 0 357 11 vmsppl 488 2945 0 2913 5 0 5 5 0 8 0 rwobjpl 80 49641 0 48466 35 0 35 35 0 8 0 pdppl 4096 5915 0 5837 136 54 82 87 0 8 4 pdppl: pool(0xffffffff83ac3a88:pdppl): free list modified: page 0xfffffd806c8ea000; item ordinal 0; addr 0xfffffd806c8ea000 (p 0xfffffd806d58c000); offset 0x0=0xd75fb6b22439ab8d pvpl 32 21949 0 0 177 0 177 177 0 265 0 pmappl 256 2954 0 2915 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 468 0 97 11 0 11 11 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(ffffffff83482362) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff83ac3a88,1,ffff80002a31e218) at pool_do_get+0x597 sys/kern/subr_pool.c:747 pool_get(ffffffff83ac3a88,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 pmap_create() at pmap_create+0x126 sys/arch/amd64/amd64/pmap.c:1381 uvmspace_fork(ffff800039bd9d08) at uvmspace_fork+0x7f uvmspace_init sys/uvm/uvm_map.c:-1 [inline] uvmspace_fork(ffff800039bd9d08) at uvmspace_fork+0x7f uvmspace_alloc sys/uvm/uvm_map.c:3258 [inline] uvmspace_fork(ffff800039bd9d08) at uvmspace_fork+0x7f sys/uvm/uvm_map.c:3743 process_new(ffff800039bc9260,ffff800039bd9d08,1) at process_new+0x577 sys/kern/kern_fork.c:281 fork1(ffff8000373b3a10,1,ffffffff827c0eb0,0,ffff80002a31e4a0,0) at fork1+0x3f6 sys/kern/kern_fork.c:-1 syscall(ffff80002a31e550) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a31e550) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7721421a5550, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299bdff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299bdff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff8000299bdff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299bdff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5