login: panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 306301 12879 32767 0x10 0 0 syz-executor.0 *133609 12879 32767 0x10 0x4000000 1K syz-executor.0 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic() at panic+0x15c sys/kern/subr_prf.c:212 uvm_fault_unwire_locked(fffffd807effd000,21a01f000,21a01f000) at uvm_fault_unwire_locked+0x332 uvm_map_pageable_wire(fffffd807effd000,fffffd8073e5a8e0,fffffd80695528f0,ffff80002281c000,3,3) at uvm_map_pageable_wire+0x5e0 sys/uvm/uvm_map.c:2306 uvm_map_protect(fffffd807effd000,20ffc000,21000000,1,0) at uvm_map_protect+0x6d6 sys/uvm/uvm_map.c:3312 syscall(ffff800022033480) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(ffff800022033480) at syscall+0x552 sys/arch/amd64/amd64/trap.c:574 Xsyscall(6,0,ffffffffffffff97,0,3,1a25f010) at Xsyscall+0x128 end of kernel end trace frame: 0x21afb4340, count: 8 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 uvm_fault_unwire_locked: address not in map ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic() at panic+0x15c sys/kern/subr_prf.c:212 uvm_fault_unwire_locked(fffffd807effd000,21a01f000,21a01f000) at uvm_fault_unwire_locked+0x332 uvm_map_pageable_wire(fffffd807effd000,fffffd8073e5a8e0,fffffd80695528f0,ffff80002281c000,3,3) at uvm_map_pageable_wire+0x5e0 sys/uvm/uvm_map.c:2306 uvm_map_protect(fffffd807effd000,20ffc000,21000000,1,0) at uvm_map_protect+0x6d6 sys/uvm/uvm_map.c:3312 syscall(ffff800022033480) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(ffff800022033480) at syscall+0x552 sys/arch/amd64/amd64/trap.c:574 Xsyscall(6,0,ffffffffffffff97,0,3,1a25f010) at Xsyscall+0x128 end of kernel end trace frame: 0x21afb4340, count: -7 ddb{1}> show registers rdi 0xffffffff81bc0697 db_enter+0x17 rsi 0x14cf __ALIGN_SIZE+0x4cf rbp 0xffff8000220330f0 rbx 0xffff8000220331a0 rdx 0x14d0 __ALIGN_SIZE+0x4d0 rcx 0xffff80002281c000 rax 0xffff80002281c000 r8 0xffffffff81b26ee3 kprintf+0x173 r9 0x1 r10 0x25 r11 0x6b9552e34dbc9d45 r12 0x3000000008 r13 0xffff800022033100 r14 0x100 r15 0x1 rip 0xffffffff81bc0698 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000220330e0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=133609 stat=onproc flags process=10 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800020b39080,0xffffffff82347478 process=0xffff800020b8c6a8 user=0xffff80002202e000, vmspace=0xfffffd807effd000 estcpu=28, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 12879 306301 78397 32767 7 0x10 syz-executor.0 *12879 133609 78397 32767 7 0x4000010 syz-executor.0 80387 192720 98720 32767 2 0x10 syz-executor.1 98720 318373 88511 0 3 0x82 wait syz-executor.1 78397 276097 18761 32767 3 0x90 nanosleep syz-executor.0 18761 463010 88511 0 3 0x82 wait syz-executor.0 16233 424586 0 0 3 0x14200 bored sosplice 88511 259704 42053 0 3 0x82 thrsleep syz-fuzzer 88511 306381 42053 0 3 0x4000082 nanosleep syz-fuzzer 88511 343937 42053 0 3 0x4000082 thrsleep syz-fuzzer 88511 386310 42053 0 3 0x4000082 thrsleep syz-fuzzer 88511 249865 42053 0 3 0x4000082 thrsleep syz-fuzzer 88511 514989 42053 0 3 0x4000082 kqread syz-fuzzer 88511 288440 42053 0 3 0x4000082 thrsleep syz-fuzzer 88511 11202 42053 0 3 0x4000082 thrsleep syz-fuzzer 88511 142564 42053 0 3 0x4000082 nanosleep syz-fuzzer 88511 452384 42053 0 3 0x4000082 thrsleep syz-fuzzer 42053 419796 16264 0 3 0x10008a pause ksh 16264 298696 30067 0 3 0x92 select sshd 35309 109334 1 0 3 0x100083 ttyin getty 30067 87866 1 0 3 0x80 select sshd 78355 412341 47364 73 3 0x100090 kqread syslogd 47364 122163 1 0 3 0x100082 netio syslogd 6866 67178 1 77 3 0x100090 poll dhclient 4882 121400 1 0 3 0x80 poll dhclient 66964 2253 0 0 3 0x14200 pgzero zerothread 57881 91686 0 0 3 0x14200 aiodoned aiodoned 77585 55005 0 0 3 0x14200 syncer update 64231 479066 0 0 3 0x14200 cleaner cleaner 60081 433644 0 0 3 0x14200 reaper reaper 38191 74993 0 0 3 0x14200 pgdaemon pagedaemon 80117 344548 0 0 3 0x14200 bored crynlk 38877 413120 0 0 3 0x14200 bored crypto 53207 195980 0 0 3 0x40014200 acpi0 acpi0 60978 481998 0 0 3 0x40014200 idle1 85053 53990 0 0 3 0x14200 bored softnet 98786 102113 0 0 3 0x14200 bored systqmp 75170 127058 0 0 3 0x14200 bored systq 27037 414083 0 0 3 0x40014200 bored softclock 64364 125769 0 0 3 0x40014200 idle0 83649 504504 0 0 3 0x14200 bored smr 1 158780 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff82372de0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 uvm_fault_unwire_locked+0x61 sys/uvm/uvm_fault.c:1344 #4 uvm_map_pageable_wire+0x5e0 sys/uvm/uvm_map.c:2306 #5 uvm_map_protect+0x6d6 sys/uvm/uvm_map.c:3312 #6 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #6 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #7 Xsyscall+0x128 Process 12879 (syz-executor.0) thread 0xffff800020b38018 (133609) exclusive rwlock vmmaplk r = 0 (0xfffffd807effd018) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 uvm_map_pageable_wire+0x35a vm_map_unbusy_ln sys/uvm/uvm_map.c:5365 [inline] #1 uvm_map_pageable_wire+0x35a sys/uvm/uvm_map.c:2287 #2 uvm_map_protect+0x6d6 sys/uvm/uvm_map.c:3312 #3 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #3 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #4 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8235a090) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 syscall+0x43a mi_syscall sys/sys/syscall_mi.h:91 [inline] #1 syscall+0x43a sys/arch/amd64/amd64/trap.c:574 #2 Xsyscall+0x128 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff82372de0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 uvm_fault_unwire_locked+0x61 sys/uvm/uvm_fault.c:1344 #4 uvm_map_pageable_wire+0x5e0 sys/uvm/uvm_map.c:2306 #5 uvm_map_protect+0x6d6 sys/uvm/uvm_map.c:3312 #6 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #6 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9461 6321K 6321K 78643K 10598 0 0 pcb 23 9K 11K 78643K 392 0 0 rtable 105 3K 3K 78643K 640 0 0 ifaddr 34 9K 9K 78643K 95 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 2K 78643K 61 0 0 iov 0 0K 16K 78643K 41 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1209 76K 76K 78643K 1524 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 13 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 0K 0K 78643K 38 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12628 0 0 file desc 7 21K 33K 78643K 878 0 0 sigio 0 0K 0K 78643K 14 0 0 proc 41 38K 70K 78643K 767 0 0 subproc 34 2K 2K 78643K 204 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 69 0 0 in_multi 33 2K 2K 78643K 149 0 0 ether_multi 1 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 66 291K 291K 78643K 66 0 0 exec 0 0K 1K 78643K 338 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 83 20K 29K 78643K 3539 0 0 UVM aobj 41 2K 2K 78643K 43 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 16 0 0 NDP 5 0K 0K 78643K 39 0 0 temp 93 2727K 2795K 78643K 5967 0 0 kqueue 0 0K 0K 78643K 13 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 26 0 20 1 0 1 1 0 8 0 inpcbpl 280 350 0 343 1 0 1 1 0 8 0 plimitpl 152 58 0 49 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 155 0 111 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 126 0 122 1 0 1 1 0 8 0 nd6 48 36 0 30 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 629 0 440 12 0 12 12 0 8 0 art_table 32 630 0 440 2 0 2 2 0 8 0 art_node 16 154 0 114 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semapl 112 36 0 26 1 0 1 1 0 8 0 shmpl 112 41 0 2 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2353 0 926 47 0 47 47 0 8 0 ffsino 272 2353 0 926 97 1 96 96 0 8 0 nchpl 144 3582 0 1963 61 0 61 61 0 8 0 uvmvnodes 72 2566 0 0 47 0 47 47 0 8 0 vnodes 200 2566 0 0 136 0 136 136 0 8 0 namei 1024 10785 0 10785 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 8759 0 8759 7 6 1 6 0 8 1 sigapl 432 1019 0 1004 3 1 2 3 0 8 0 futexpl 56 5909 0 5909 1 0 1 1 0 8 1 knotepl 112 418 0 399 1 0 1 1 0 8 0 kqueuepl 104 176 0 174 1 0 1 1 0 8 0 pipepl 112 632 0 613 3 2 1 2 0 8 0 fdescpl 488 1020 0 1004 3 0 3 3 0 8 0 filepl 152 5175 0 5078 8 3 5 7 0 8 1 lockfpl 104 165 0 165 2 1 1 1 0 8 1 lockfspl 48 50 0 50 2 1 1 1 0 8 1 sessionpl 112 27 0 17 1 0 1 1 0 8 0 pgrppl 48 33 0 23 1 0 1 1 0 8 0 ucredpl 96 1336 0 1327 1 0 1 1 0 8 0 zombiepl 144 1004 0 1004 1 0 1 1 0 8 1 processpl 840 1036 0 1004 4 0 4 4 0 8 0 procpl 600 2453 0 2411 4 0 4 4 0 8 0 srpgc 64 60 0 60 6 5 1 1 0 8 1 sosppl 128 10 0 10 2 1 1 1 0 8 1 sockpl 384 743 0 726 5 2 3 4 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 7 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 109 0 0 13 0 13 13 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 205 0 0 11 0 11 11 0 8 0 bufpl 256 6359 0 1159 325 0 325 325 0 8 0 anonpl 16 106370 0 101441 54 26 28 40 0 125 3 amapchunkpl 152 6714 0 6630 20 11 9 9 0 158 5 amappl16 192 3885 0 3591 47 31 16 26 0 8 1 amappl15 184 114 0 113 1 0 1 1 0 8 0 amappl14 176 198 0 196 1 0 1 1 0 8 0 amappl13 168 283 0 278 2 1 1 1 0 8 0 amappl12 160 83 0 82 2 1 1 1 0 8 0 amappl11 152 102 0 88 1 0 1 1 0 8 0 amappl10 144 241 0 238 1 0 1 1 0 8 0 amappl9 136 766 0 763 1 0 1 1 0 8 0 amappl8 128 301 0 285 1 0 1 1 0 8 0 amappl7 120 225 0 217 1 0 1 1 0 8 0 amappl6 112 84 0 76 1 0 1 1 0 8 0 amappl5 104 257 0 243 1 0 1 1 0 8 0 amappl4 96 1039 0 1018 1 0 1 1 0 8 0 amappl3 88 286 0 276 1 0 1 1 0 8 0 amappl2 80 6661 0 6593 3 0 3 3 0 8 0 amappl1 72 33863 0 33418 23 13 10 19 0 8 0 amappl 80 2835 0 2801 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 42 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1020 0 1004 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1020 0 1004 1 0 1 1 0 8 0 vmmpekpl 168 11751 0 11726 2 0 2 2 0 8 0 vmmpepl 168 118413 0 117048 94 27 67 75 0 357 7 vmsppl 360 1019 0 1004 2 0 2 2 0 8 0 pdppl 4096 2048 0 2008 6 0 6 6 0 8 1 pvpl 32 315454 0 307330 122 37 85 111 0 265 10 pmappl 232 1019 0 1004 3 2 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 475 0 3 14 0 14 14 0 8 0