witness: lock_object uninitialized: 0xffff800000e98028 Starting stack trace... witness_checkorder(ffff800000e98028,9,0) at witness_checkorder+0x133 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000e98028,9,0) at witness_checkorder+0x133 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000e98018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000e98000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:95 [inline] unveil_delete_names(ffff800000e98000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:105 unveil_destroy(ffff80002e4050c0) at unveil_destroy+0xad sys/kern/kern_unveil.c:186 exit1(ffff8000fffef7a0,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff8000fffef7a0,ffff80002464e560,ffff80002464e5c0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80002464e630) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002464e630) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc4cb0, count: 249 End of stack trace. Stopped at db_enter+0x18: 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+0x18 sys/arch/amd64/amd64/db_interface.c:440 witness_checkorder(ffff800000e98028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000e98028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000e98018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000e98000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:95 [inline] unveil_delete_names(ffff800000e98000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:105 unveil_destroy(ffff80002e4050c0) at unveil_destroy+0xad sys/kern/kern_unveil.c:186 exit1(ffff8000fffef7a0,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff8000fffef7a0,ffff80002464e560,ffff80002464e5c0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80002464e630) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002464e630) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc4cb0, count: -9 ddb{0}> show registers rdi 0 rsi 0x4000000000000000 rbp 0xffff80002464e300 rbx 0x3 rdx 0 rcx 0 rax 0xffff8000fffef7a0 r8 0xffff80002464e2a0 r9 0x8080808080808080 r10 0xffff80002464e1f0 r11 0x6e9407a2e0cf5547 r12 0xffff800000e98001 r13 0xffff800000e98028 r14 0 r15 0 rip 0xffffffff81d86618 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002464e2f0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.1) pid=44731 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000fffeea80,0xffff8000fffef270 process=0xffff80002e4050c0 user=0xffff800024649000, vmspace=0xfffffd807955f730 estcpu=36, cpticks=19, pctcpu=0.0 user=0, sys=8, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 56996 12242 55029 0 2 0 syz-executor.2 56996 306150 55029 0 3 0x4000080 fsleep syz-executor.2 52676 111910 12470 0 2 0 syz-executor.3 52676 307542 12470 0 3 0x4000080 netcon2 syz-executor.3 78018 452555 53890 60928 2 0x10 syz-executor.7 78018 18897 53890 60928 2 0x4000010 syz-executor.7 29526 49873 87430 0 2 0 syz-executor.0 29526 160039 87430 0 7 0x4000000 syz-executor.0 81161 333072 45423 0 3 0 futex syz-executor.5 81161 121111 45423 0 2 0x4000000 syz-executor.5 8547 444013 82729 0 3 0x3000 suspend syz-executor.6 8547 54959 82729 0 3 0x4081000 futex syz-executor.6 82729 308695 86254 0 2 0x482 syz-executor.6 55029 229116 86254 0 2 0x482 syz-executor.2 27496 373633 0 0 3 0x14200 acct acct 53890 323902 86254 0 2 0x482 syz-executor.7 45423 510280 86254 0 2 0x482 syz-executor.5 89617 367412 86254 0 2 0x482 syz-executor.4 87430 103973 86254 0 2 0x482 syz-executor.0 38095 240427 1 0 2 0x100083 getty 12470 205633 86254 0 2 0x482 syz-executor.3 68255 241826 0 0 3 0x14200 bored sosplice 60548 78350 86254 0 2 0x482 syz-executor.1 86254 261101 70056 0 3 0x82 thrsleep syz-fuzzer 86254 331970 70056 0 3 0x4000082 thrsleep syz-fuzzer 86254 179599 70056 0 3 0x4000082 thrsleep syz-fuzzer 86254 504232 70056 0 3 0x4000082 thrsleep syz-fuzzer 86254 374330 70056 0 3 0x4000082 thrsleep syz-fuzzer 86254 470697 70056 0 3 0x4000082 thrsleep syz-fuzzer 86254 331488 70056 0 3 0x4000082 kqread syz-fuzzer 86254 371204 70056 0 3 0x4000082 thrsleep syz-fuzzer 86254 306020 70056 0 3 0x4000082 thrsleep syz-fuzzer 70056 426809 97020 0 3 0x10008a sigsusp ksh 97020 277932 67892 0 3 0x9a poll sshd 67892 340372 1 0 3 0x88 poll sshd 51312 388562 53933 74 3 0x100092 bpf pflogd 53933 106154 1 0 3 0x80 netio pflogd 32418 61169 29942 73 2 0x100090 syslogd 29942 316006 1 0 3 0x100082 netio syslogd 90819 399780 1 0 3 0x100080 kqread resolvd 18486 229734 10062 77 3 0x100092 kqread dhcpleased 3423 499878 10062 77 3 0x100092 kqread dhcpleased 10062 135470 1 0 3 0x80 kqread dhcpleased 92928 113121 0 0 3 0x14200 bored smr 26255 119861 0 0 3 0x14200 pgzero zerothread 27709 167391 0 0 3 0x14200 aiodoned aiodoned 17987 395652 0 0 3 0x14200 syncer update 73984 168412 0 0 3 0x14200 cleaner cleaner 32676 10756 0 0 3 0x14200 reaper reaper 86560 221165 0 0 3 0x14200 pgdaemon pagedaemon 80525 215945 0 0 3 0x14200 bored viomb 62754 387214 0 0 3 0x40014200 acpi0 acpi0 53391 366483 0 0 3 0x40014200 idle1 7934 482534 0 0 3 0x14200 bored softnet 46967 360709 0 0 3 0x14200 bored systqmp 75711 38617 0 0 3 0x14200 bored systq 99752 241853 0 0 2 0x40014200 softclock 54391 4379 0 0 3 0x40014200 idle0 1 329113 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 52676 (syz-executor.3) thread 0xffff8000fffefa40 (111910) exclusive rwlock vmmaplk r = 0 (0xfffffd807955f188) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5458 #3 uvmfault_lookup+0xc2 sys/uvm/uvm_fault.c:1738 #4 uvm_fault_check+0x603 uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #4 uvm_fault_check+0x603 sys/uvm/uvm_fault.c:712 #5 uvm_fault+0x102 sys/uvm/uvm_fault.c:602 #6 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #7 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 #8 recall_trap+0x8 Process 78018 (syz-executor.7) thread 0xffff8000ffff4540 (18897) exclusive rwlock fdlock r = 0 (0xfffffd806a7d7438) #0 witness_lock+0x44d #1 doopenat+0x11b #2 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #2 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #3 Xsyscall+0x128 Process 29526 (syz-executor.0) thread 0xffff8000ffff47e0 (160039) exclusive rwlock vmmaplk r = 0 (0xfffffd8065861a48) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5458 #3 sys_munmap+0x13e sys/uvm/uvm_mmap.c:560 #4 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #4 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #5 Xsyscall+0x128 Process 81161 (syz-executor.5) thread 0xffff8000ffff57a0 (121111) exclusive rwlock futex r = 0 (0xffffffff829891b0) #0 witness_lock+0x44d #1 sys_futex+0x5c sys/kern/sys_futex.c:108 #2 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #2 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #3 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10225 6644K 7027K 78643K 36683 0 pcb 14 18K 22K 78643K 13575 0 rtable 240 21K 22K 78643K 4025 0 ifaddr 98 23K 25K 78643K 1193 0 sysctl 3 1K 1K 78643K 5 0 counters 56 35K 36K 78643K 376 0 ioctlops 0 0K 4K 78643K 5691 0 iov 0 0K 24K 78643K 1693 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1493 93K 94K 78643K 10081 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 130 0 VM map 2 1K 1K 78643K 2 0 sem 30 10K 20K 78643K 2659 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 17 61K 81K 78643K 17034 0 sigio 0 0K 0K 78643K 217 0 proc 75 111K 123K 78643K 2211 0 subproc 104 6K 6K 78643K 611 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1459 0 in_multi 86 6K 6K 78643K 1624 0 ether_multi 1 0K 0K 78643K 126 0 mrt 15 0K 1K 78643K 55 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 247 1102K 1102K 78643K 247 0 exec 0 0K 2K 78643K 2841 0 pfkey data 0 0K 0K 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 7 26K 26K 78643K 7 0 UVM amap 698 1410K 1410K 78643K 221323 0 UVM aobj 131 7K 7K 78643K 141 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 800 0 NDP 16 0K 2K 78643K 425 0 temp 157 4727K 4811K 78643K 146890 0 kqueue 12 16K 24K 78643K 781 0 SYN cache 2 16K 16K 78643K 2 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 120 900 0 897 9 8 1 5 0 8 0 rtentry 112 1246 0 1155 4 0 4 4 0 8 0 unpcb 136 9153 0 9138 97 96 1 8 0 8 0 syncache 296 53 0 53 15 15 0 1 0 8 0 tcpqe 32 13 0 13 5 5 0 1 0 8 0 tcpcb 736 5310 0 5303 193 192 1 13 0 8 0 arp 120 192 0 177 1 0 1 1 0 8 0 inpcb 304 26018 0 26003 260 253 7 15 0 8 5 rttmr 72 10 0 10 4 4 0 1 0 8 0 nd6 48 317 0 294 1 0 1 1 0 8 0 pkpcb 40 62 0 62 5 5 0 1 0 8 0 kcovpl 48 47 0 39 1 0 1 1 0 8 0 ppxss 1248 69 0 69 20 19 1 1 0 8 1 pfstscr 40 4 0 4 1 1 0 1 0 8 0 pffrag 232 104 0 104 9 8 1 1 0 482 1 pffrnode 88 104 0 104 9 8 1 1 0 8 1 pffrent 40 1115 0 1115 13 12 1 1 0 8 1 pfosfp 40 1433 0 1009 5 0 5 5 0 8 0 pfosfpen 112 1433 0 714 21 0 21 21 0 8 0 pfrke_plain 168 90 0 85 2 1 1 1 0 8 0 pfrktable 1344 236 0 226 2 0 2 2 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 264 71 0 71 2 2 0 1 0 8 0 pfstitem 24 50 0 48 1 0 1 1 0 8 0 pfstkey 112 58 0 56 1 0 1 1 0 8 0 pfstate 320 54 0 52 3 2 1 3 0 8 0 pfrule 1360 135 0 97 5 1 4 4 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 5502 0 5095 46 17 29 32 0 8 0 art_table 32 5504 0 5096 5 0 5 5 0 8 0 art_node 16 1238 0 1158 1 0 1 1 0 8 0 sysvmsgpl 40 28 0 20 2 1 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 2653 0 2625 1 0 1 1 0 8 0 shmpl 112 138 0 10 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 25295 0 23816 93 0 93 93 0 8 0 ffsino 272 25295 0 23816 100 0 100 100 0 8 0 nchpl 144 49937 0 48301 63 0 63 63 0 8 0 rtmask 32 24 0 22 2 1 1 1 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 169970 0 169970 7 6 1 2 0 8 1 percpumem 16 200 0 160 1 0 1 1 0 8 0 vcpupl 2048 124 0 0 16 0 16 16 0 8 0 vmpool 560 137 0 13 9 0 9 9 0 8 0 pfiaddrpl 120 71 0 59 1 0 1 1 0 8 0 scsiplug 72 9 0 9 3 3 0 1 0 8 0 scxspl 216 139863 0 139863 31 30 1 8 0 8 1 plimitpl 152 1161 0 1146 1 0 1 1 0 8 0 sigapl 424 17297 0 17250 8 1 7 8 0 8 0 futexpl 64 159294 0 159292 5 4 1 1 0 8 0 knotepl 112 240 0 0 4 0 4 4 0 8 0 kqueuepl 216 3436 0 3425 65 60 5 5 0 8 4 pipepl 336 3067 0 3039 82 79 3 11 0 8 0 fdescpl 496 17257 0 17227 5 0 5 5 0 8 0 filepl 152 125057 0 124810 221 206 15 23 0 8 4 lockfpl 104 16427 0 16425 35 34 1 4 0 8 0 lockfspl 48 3756 0 3754 1 0 1 1 0 8 0 sessionpl 144 66 0 49 1 0 1 1 0 8 0 pgrppl 48 87 0 70 1 0 1 1 0 8 0 ucredpl 96 12134 0 12120 1 0 1 1 0 8 0 zombiepl 144 20006 0 20004 1 0 1 1 0 8 0 processpl 1064 17297 0 17250 5 0 5 5 0 8 0 procpl 672 51204 0 51142 22 15 7 9 0 8 0 srpgc 96 56 0 56 13 13 0 1 0 8 0 sosppl 168 125 0 125 22 21 1 1 0 8 1 sockpl 480 36293 0 36262 675 663 12 33 0 8 8 mcl64k 65536 25 0 0 3 0 3 3 0 8 0 mcl16k 16384 49 0 0 7 4 3 3 0 8 0 mcl12k 12288 41 0 0 3 1 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 57 0 0 7 4 3 3 0 8 0 mcl4k 4096 25 0 0 4 1 3 3 0 8 0 mcl2k2 2112 12 0 0 1 0 1 1 0 8 0 mcl2k 2048 328 0 0 21 2 19 21 0 8 0 mtagpl 96 1042 0 0 15 0 15 15 0 8 0 mbufpl 256 1891 0 0 97 0 97 97 0 8 0 bufpl 288 29838 0 23502 453 0 453 453 0 8 0 anonpl 24 5074110 0 5054139 357 203 154 170 0 186 6 amapchunkpl 152 551284 0 550295 122 81 41 53 0 158 0 amappl16 200 46833 0 46040 205 153 52 54 0 8 8 amappl15 192 1499 0 1492 1 0 1 1 0 8 0 amappl14 184 2498 0 2494 5 4 1 1 0 8 0 amappl13 176 2780 0 2775 1 0 1 1 0 8 0 amappl12 168 1885 0 1882 1 0 1 1 0 8 0 amappl11 160 2992 0 2974 1 0 1 1 0 8 0 amappl10 152 3134 0 3125 1 0 1 1 0 8 0 amappl9 144 1694 0 1691 1 0 1 1 0 8 0 amappl8 136 3002 0 2854 6 0 6 6 0 8 0 amappl7 128 1536 0 1522 1 0 1 1 0 8 0 amappl6 120 1571 0 1543 2 1 1 2 0 8 0 amappl5 112 17587 0 17561 1 0 1 1 0 8 0 amappl4 104 5537 0 5500 2 0 2 2 0 8 0 amappl3 96 4894 0 4878 1 0 1 1 0 8 0 amappl2 88 5324 0 5264 3 1 2 3 0 8 0 amappl1 80 317738 0 317121 25 11 14 19 0 8 1 amappl 88 219601 0 219205 12 2 10 10 0 92 1 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 72 140 0 10 3 0 3 3 0 8 0 uaddrrnd 24 17394 0 17239 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 17394 0 17239 1 0 1 1 0 8 0 vmmpekpl 168 132456 0 132385 4 0 4 4 0 8 0 vmmpepl 168 1593874 0 1590650 435 281 154 168 0 357 10 vmsppl 368 17393 0 17239 17 2 15 15 0 8 1 rwobjpl 56 391390 0 383318 139 23 116 118 0 8 0 pdppl 4096 34795 0 34602 787 594 193 193 0 8 0 pvpl 32 8452544 0 8429204 651 423 228 286 0 265 6 pmappl 248 17393 0 17239 10 0 10 10 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 1946 0 905 30 0 30 30 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 witness_checkorder(ffff800000e98028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000e98028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000e98018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000e98000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:95 [inline] unveil_delete_names(ffff800000e98000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:105 unveil_destroy(ffff80002e4050c0) at unveil_destroy+0xad sys/kern/kern_unveil.c:186 exit1(ffff8000fffef7a0,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff8000fffef7a0,ffff80002464e560,ffff80002464e5c0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80002464e630) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002464e630) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc4cb0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020ce8ff0) 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(ffffffff829f21f8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff829f21f8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff829f21f8,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x3d3 sys/kern/sched_bsd.c:416 yield() at yield+0x5a sys/kern/sched_bsd.c:291 pool_get(ffffffff829bd510,1) at pool_get+0x199 sys/kern/subr_pool.c:591 uvm_mapent_alloc(fffffd8065861a30,0) at uvm_mapent_alloc+0x2c9 sys/uvm/uvm_map.c:1779 uvm_unmap_remove(fffffd8065861a30,208fb000,208fc000,ffff80002e3b8a10,0,1) at uvm_unmap_remove+0x2d7 uvm_map_clip_end sys/uvm/uvm_map.c:4815 [inline] uvm_unmap_remove(fffffd8065861a30,208fb000,208fc000,ffff80002e3b8a10,0,1) at uvm_unmap_remove+0x2d7 sys/uvm/uvm_map.c:2243 sys_munmap(ffff8000ffff47e0,ffff80002e3b8a88,ffff80002e3b8ae0) at sys_munmap+0x18f sys/uvm/uvm_mmap.c:573 syscall(ffff80002e3b8b50) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3b8b50) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x87138d87a60, count: -13