ppanic: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_map.c", line 2539 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 483365 29174 0 0x2 0 0 syz-executor.6 *336132 98983 0 0x14000 0x200 1 reaper db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82751deb) at panic+0x177 sys/kern/subr_prf.c:198 __assert(ffffffff827cd2be,ffffffff827d7b29,9eb,ffffffff827874a1) at __assert+0x25 sys/kern/subr_prf.c:157 uvm_map_teardown(fffffd8070ab2c18) at uvm_map_teardown+0x308 sys/uvm/uvm_map.c:2541 uvmspace_free(fffffd8070ab2c18) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3516 reaper(ffff8000211bd058) at reaper+0x19a sys/kern/kern_exit.c:448 end trace frame: 0x0, count: 9 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 *cpu0: vop_generic_badop cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_map.c", line 2539 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82751deb) at panic+0x177 sys/kern/subr_prf.c:198 __assert(ffffffff827cd2be,ffffffff827d7b29,9eb,ffffffff827874a1) at __assert+0x25 sys/kern/subr_prf.c:157 uvm_map_teardown(fffffd8070ab2c18) at uvm_map_teardown+0x308 sys/uvm/uvm_map.c:2541 uvmspace_free(fffffd8070ab2c18) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3516 reaper(ffff8000211bd058) at reaper+0x19a sys/kern/kern_exit.c:448 end trace frame: 0x0, count: -6 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000211c91e0 rbx 0xffff800020d69b8f rdx 0 rcx 0 rax 0xffff8000211bd058 r8 0x101010101010101 r9 0x8080808080808080 r10 0x204cfe51f11f89f3 r11 0x865fc310d19e8572 r12 0xffff800020d69990 r13 0 r14 0xffffffff82b25990 cpu_info_full_primary+0x2990 r15 0x1 rip 0xffffffff81b420b8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000211c91d0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (reaper) pid=336132 stat=onproc flags process=14000 proc=200 pri=4, usrpri=56, nice=20 forw=0xffffffffffffffff, list=0xffff8000211bd5c8,0xffff8000211bcdb0 process=0xffff8000ffffee10 user=0xffff8000211c4000, vmspace=0xffffffff82db7ec8 estcpu=6, cpticks=2, pctcpu=5.56 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28365 497249 77349 0 2 0 syz-executor.5 28365 418356 77349 0 3 0x4000080 pipewr syz-executor.5 28365 32005 77349 0 3 0x4000080 fsleep syz-executor.5 29174 483365 33367 0 7 0x2 syz-executor.6 79031 395323 33367 0 2 0x2 syz-executor.3 77349 514317 33367 0 3 0x82 nanoslp syz-executor.5 10467 501236 1 0 3 0x100083 ttyin getty 66666 428423 33367 0 3 0x2 biowait syz-executor.0 8331 501013 33367 0 3 0x82 nanoslp syz-executor.7 8734 237592 33367 0 2 0x2 syz-executor.1 91108 221108 33367 0 3 0x82 nanoslp syz-executor.2 76735 110953 0 0 3 0x14200 acct acct 83684 356117 0 0 3 0x14200 bored sosplice 20584 347394 0 0 3 0x14280 nfsidl nfsio 57116 312594 0 0 3 0x14280 nfsidl nfsio 38050 427205 0 0 3 0x14280 nfsidl nfsio 94851 432497 0 0 3 0x14280 nfsidl nfsio 72196 367981 0 0 3 0x14280 nfsidl nfsio 73647 224787 0 0 3 0x14280 nfsidl nfsio 80735 328689 0 0 3 0x14280 nfsidl nfsio 98252 352361 0 0 3 0x14280 nfsidl nfsio 30753 212301 0 0 3 0x14280 nfsidl nfsio 91288 419394 0 0 3 0x14280 nfsidl nfsio 70323 288259 0 0 3 0x14280 nfsidl nfsio 27895 362807 0 0 3 0x14280 nfsidl nfsio 38746 417703 0 0 3 0x14280 nfsidl nfsio 82060 124255 0 0 3 0x14280 nfsidl nfsio 24367 77201 0 0 3 0x14280 nfsidl nfsio 97439 35204 0 0 3 0x14280 nfsidl nfsio 14154 135585 0 0 3 0x14280 nfsidl nfsio 7655 411994 0 0 3 0x14280 nfsidl nfsio 91989 190233 0 0 3 0x14280 nfsidl nfsio 63417 162772 0 0 3 0x14280 nfsidl nfsio 33367 33925 45729 0 3 0x82 wait syz-fuzzer 33367 234179 45729 0 3 0x4000082 nanoslp syz-fuzzer 33367 140511 45729 0 3 0x4000082 wait syz-fuzzer 33367 83520 45729 0 3 0x4000082 wait syz-fuzzer 33367 283546 45729 0 3 0x4000082 thrsleep syz-fuzzer 33367 377888 45729 0 3 0x4000082 kqread syz-fuzzer 33367 335414 45729 0 3 0x4000082 wait syz-fuzzer 33367 396480 45729 0 3 0x4000082 wait syz-fuzzer 33367 339252 45729 0 3 0x4000082 thrsleep syz-fuzzer 33367 113185 45729 0 3 0x4000082 thrsleep syz-fuzzer 33367 312507 45729 0 3 0x4000082 thrsleep syz-fuzzer 33367 114061 45729 0 3 0x4000082 wait syz-fuzzer 33367 470957 45729 0 3 0x4000082 thrsleep syz-fuzzer 33367 111633 45729 0 2 0x4000002 syz-fuzzer 33367 50883 45729 0 3 0x4000082 wait syz-fuzzer 33367 381649 45729 0 3 0x4000082 thrsleep syz-fuzzer 45729 274800 94674 0 3 0x10008a sigsusp ksh 94674 174735 79122 0 3 0x9a kqread sshd 79122 251878 1 0 3 0x88 kqread sshd 72177 71131 53646 74 3 0x1100092 bpf pflogd 53646 294553 1 0 3 0x80 netio pflogd 26295 200112 58383 73 3 0x1100090 kqread syslogd 58383 73793 1 0 3 0x100082 netio syslogd 17300 323299 1 0 3 0x100080 kqread resolvd 27449 345043 0 0 3 0x14200 bored smr 36306 304800 0 0 2 0x14200 zerothread 2435 8017 0 0 3 0x14200 aiodoned aiodoned 15444 200699 0 0 3 0x14200 syncer update 26757 40679 0 0 3 0x14200 cleaner cleaner *98983 336132 0 0 7 0x14200 reaper 36344 219012 0 0 3 0x14200 pgdaemon pagedaemon 44810 189619 0 0 3 0x14200 bored viomb 64074 220423 0 0 3 0x40014200 acpi0 acpi0 43842 240479 0 0 3 0x40014200 idle1 96162 70158 0 0 3 0x14200 bored softnet 98921 326094 0 0 3 0x14200 bored softnet 27077 309106 0 0 3 0x14200 bored softnet 66472 213163 0 0 3 0x14200 bored softnet 35730 481327 0 0 3 0x14200 bored systqmp 90118 422406 0 0 3 0x14200 bored systq 23481 402294 0 0 3 0x40014200 bored softclock 58720 10871 0 0 3 0x40014200 idle0 1 500073 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10245 6486K 6800K 78643K 13725 0 pcb 13 18K 20K 78643K 1318 0 rtable 207 16K 17K 78643K 1634 0 ifaddr 80 25K 28K 78643K 581 0 sysctl 3 1K 1K 78643K 3 0 counters 56 35K 36K 78643K 602 0 ioctlops 0 0K 4K 78643K 2192 0 iov 1 12K 20K 78643K 793 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1429 89K 90K 78643K 5584 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 76 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 1383 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 10 33K 73K 78643K 7708 0 sigio 0 0K 0K 78643K 119 0 proc 64 67K 115K 78643K 1495 0 subproc 91 5K 6K 78643K 377 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1125 0 in_multi 80 5K 6K 78643K 554 0 ether_multi 1 0K 0K 78643K 62 0 mrt 1 0K 0K 78643K 77 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 295 1314K 1314K 78643K 295 0 exec 0 0K 1K 78643K 1603 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 299 78K 101K 78643K 53995 0 UVM aobj 87 3K 3K 78643K 92 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 201 0 NDP 14 0K 1K 78643K 192 0 temp 133 5778K 6802K 78643K 96217 0 kqueue 6 10K 28K 78643K 534 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 1147 0 1146 15 14 1 4 0 8 0 rtentry 112 488 0 403 4 0 4 4 0 8 0 unpcb 144 6543 0 6535 85 77 8 12 0 8 7 syncache 296 51 0 51 13 13 0 1 0 8 0 tcpqe 32 1118 0 1118 12 12 0 2 0 8 0 tcpcb 776 3941 0 3932 86 84 2 12 0 8 1 arp 120 74 0 58 1 0 1 1 0 8 0 inpcb 368 12173 0 12166 131 129 2 15 0 8 1 nd6 48 102 0 84 1 0 1 1 0 8 0 pkpcb 40 7 0 7 2 2 0 1 0 8 0 kcovpl 48 29 0 22 1 0 1 1 0 8 0 ppxss 1256 196 0 196 13 12 1 1 0 8 1 pppxif 1456 86 0 86 8 8 0 1 0 8 0 pfstscr 40 9 0 9 3 3 0 1 0 8 0 pffrag 232 21 0 19 4 3 1 1 0 482 0 pffrnode 88 21 0 19 4 3 1 1 0 8 0 pffrent 40 49 0 47 5 4 1 1 0 8 0 pfosfp 40 1432 0 1008 5 0 5 5 0 8 0 pfosfpen 112 1432 0 717 21 0 21 21 0 8 0 pfanchor 1280 1022 2 573 46 4 42 43 0 8 0 pfstitem 24 87 0 85 1 0 1 1 0 8 0 pfstkey 128 103 0 101 2 1 1 2 0 8 0 pfstate 384 94 0 92 5 4 1 4 0 8 0 pfrule 1344 21 0 20 2 1 1 2 0 8 0 rttmr 136 5 0 5 2 2 0 1 0 8 0 art_heap8 4096 5 0 4 4 1 3 3 0 8 2 art_heap4 256 2174 0 1784 53 22 31 31 0 8 3 art_table 32 2179 0 1788 4 0 4 4 0 8 0 art_node 16 480 0 405 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 7 1 0 1 1 0 8 0 semapl 112 1381 0 1371 1 0 1 1 0 8 0 shmpl 112 89 0 5 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 11240 0 9777 93 1 92 92 0 8 0 ffsino 272 11240 0 9777 99 0 99 99 0 8 0 nchpl 144 22476 0 20834 63 0 63 63 0 8 0 rtmask 32 6 0 6 3 3 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 73362 0 73360 4 3 1 2 0 8 0 percpumem 16 314 0 273 1 0 1 1 0 8 0 vmpool 696 158 0 158 7 7 0 1 0 8 0 kstatmem 264 252 0 224 5 2 3 3 0 8 0 scsiplug 72 7 0 7 2 2 0 1 0 8 0 scxspl 216 63821 0 63820 21 20 1 8 0 8 0 plimitpl 152 1421 0 1407 1 0 1 1 0 8 0 sigapl 424 8000 0 7939 11 3 8 8 0 8 0 futexpl 64 71427 0 71426 2 1 1 1 0 8 0 knotepl 120 498 0 0 8 0 8 8 0 8 0 kqueuepl 216 1122 0 1117 14 13 1 5 0 8 0 pipepl 320 2575 0 2549 47 43 4 11 0 8 1 fdescpl 496 7961 0 7941 8 4 4 5 0 8 0 filepl 152 56477 0 56273 98 81 17 27 0 8 6 lockfpl 104 1798 0 1797 3 2 1 2 0 8 0 lockfspl 48 555 0 554 1 0 1 1 0 8 0 sessionpl 144 46 0 31 1 0 1 1 0 8 0 pgrppl 48 59 0 44 1 0 1 1 0 8 0 ucredpl 104 6180 0 6171 1 0 1 1 0 8 0 zombiepl 144 7941 0 7939 1 0 1 1 0 8 0 processpl 1072 8000 0 7939 6 1 5 5 0 8 0 procpl 696 21411 0 21333 16 6 10 11 0 8 0 srpgc 96 28 0 28 11 11 0 1 0 8 0 sosppl 168 82 0 82 13 12 1 1 0 8 1 sockpl 488 20011 0 19995 411 392 19 57 0 8 15 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 26 0 0 3 1 2 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 29 0 0 2 0 2 2 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 3 0 3 3 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 296 0 0 33 4 29 33 0 8 0 mtagpl 96 134 0 0 4 2 2 4 0 8 0 mbufpl 256 1447 0 0 80 0 80 80 0 8 0 bufpl 288 14852 0 8530 453 1 452 452 0 8 0 anonpl 24 1582797 0 1568646 261 144 117 185 0 186 0 amapchunkpl 152 151607 0 150955 88 53 35 59 0 158 0 amappl16 200 14669 0 14118 102 71 31 43 0 8 0 amappl15 192 8 0 8 2 2 0 1 0 8 0 amappl14 184 256 0 239 3 1 2 2 0 8 0 amappl13 176 10 0 9 1 0 1 1 0 8 0 amappl12 168 699 0 693 1 0 1 1 0 8 0 amappl11 160 49 0 40 1 0 1 1 0 8 0 amappl10 152 53 0 45 2 1 1 1 0 8 0 amappl9 144 1002 0 1002 6 6 0 1 0 8 0 amappl8 136 443 0 345 4 0 4 4 0 8 0 amappl7 128 224 0 199 2 0 2 2 0 8 0 amappl6 120 304 0 288 2 1 1 2 0 8 0 amappl5 112 328 0 320 1 0 1 1 0 8 0 amappl4 104 874 0 844 2 1 1 2 0 8 0 amappl3 96 23447 0 23405 3 1 2 2 0 8 0 amappl2 88 8783 0 8725 4 2 2 4 0 8 0 amappl1 80 182387 0 181791 29 11 18 28 0 8 0 amappl 88 53062 0 52891 8 2 6 6 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 91 0 5 2 0 2 2 0 8 0 uaddrrnd 24 8119 0 8098 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8119 0 8098 1 0 1 1 0 8 0 vmmpekpl 168 66134 0 66066 4 0 4 4 0 8 0 vmmpepl 168 731099 0 728802 285 151 134 162 0 357 1 vmsppl 440 8118 0 8098 7 3 4 4 0 8 0 rwobjpl 56 197732 0 190149 128 16 112 115 0 8 0 pdppl 4096 16245 0 16196 487 426 61 73 0 8 12 pvpl 32 3100959 0 3081878 542 302 240 366 0 265 41 pmappl 248 8118 0 8098 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1468 0 602 26 0 26 26 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82b24ff0) 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(ffffffff82db6020) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82db6020) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff8000295d0e70,ffff80000006ba00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f Xspllower() at Xspllower+0x19 cnputc(70) at cnputc+0x4b sys/dev/cons.c:218 db_putchar(70) at db_putchar+0x3fc sys/ddb/db_output.c:155 kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:724 db_printf(ffffffff827d3cc9) at db_printf+0x85 sys/kern/subr_prf.c:498 panic(ffffffff82742aec) at panic+0xd7 sys/kern/subr_prf.c:216 vop_generic_badop(ffff8000295d1298) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806d7de948,fffffd80672b2920) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 end trace frame: 0xffff8000295d1340, count: 0 ddb{0}> trace x86_ipi_db(ffffffff82b24ff0) 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(ffffffff82db6020) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82db6020) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff8000295d0e70,ffff80000006ba00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f Xspllower() at Xspllower+0x19 cnputc(70) at cnputc+0x4b sys/dev/cons.c:218 db_putchar(70) at db_putchar+0x3fc sys/ddb/db_output.c:155 kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:724 db_printf(ffffffff827d3cc9) at db_printf+0x85 sys/kern/subr_prf.c:498 panic(ffffffff82742aec) at panic+0xd7 sys/kern/subr_prf.c:216 vop_generic_badop(ffff8000295d1298) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806d7de948,fffffd80672b2920) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628 bwrite(fffffd80672b2920) at bwrite+0x1f0 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd80672b2920) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 ufs_mkdir(ffff8000295d1530) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236 VOP_MKDIR(fffffd80754dacd0,ffff8000295d1690,ffff8000295d16c0,ffff8000295d15c0) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 domkdirat(ffff8000211e9078,ffffff9c,7f7ffffc8610,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 syscall(ffff8000295d1840) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000295d1840) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc8680, count: -21 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(ffffffff82751deb) at panic+0x177 sys/kern/subr_prf.c:198 __assert(ffffffff827cd2be,ffffffff827d7b29,9eb,ffffffff827874a1) at __assert+0x25 sys/kern/subr_prf.c:157 uvm_map_teardown(fffffd8070ab2c18) at uvm_map_teardown+0x308 sys/uvm/uvm_map.c:2541 uvmspace_free(fffffd8070ab2c18) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3516 reaper(ffff8000211bd058) at reaper+0x19a sys/kern/kern_exit.c:448 end trace frame: 0x0, count: 9 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82751deb) at panic+0x177 sys/kern/subr_prf.c:198 __assert(ffffffff827cd2be,ffffffff827d7b29,9eb,ffffffff827874a1) at __assert+0x25 sys/kern/subr_prf.c:157 uvm_map_teardown(fffffd8070ab2c18) at uvm_map_teardown+0x308 sys/uvm/uvm_map.c:2541 uvmspace_free(fffffd8070ab2c18) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3516 reaper(ffff8000211bd058) at reaper+0x19a sys/kern/kern_exit.c:448 end trace frame: 0x0, count: -6