panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 213803 54187 0 0 0 0 syz-executor.1 * 95442 54187 0 0 0x4000000 1K syz-executor.1 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff824f0b3b) at panic+0x177 sys/kern/subr_prf.c:202 uvm_fault_unwire_locked(fffffd806ee3fb88,206313000,206313000) at uvm_fault_unwire_locked+0x371 uvm_map_pageable_wire(fffffd806ee3fb88,fffffd8068242590,fffffd8068245968,12a,0,0) at uvm_map_pageable_wire+0x5b0 sys/uvm/uvm_map.c:2422 sys_mlock(ffff8000fffef7a8,ffff8000246ab8d8,ffff8000246ab930) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:772 syscall(ffff8000246ab9a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000246ab9a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2db463da0, 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 *cpu1: uvm_fault_unwire_locked: address not in map ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff824f0b3b) at panic+0x177 sys/kern/subr_prf.c:202 uvm_fault_unwire_locked(fffffd806ee3fb88,206313000,206313000) at uvm_fault_unwire_locked+0x371 uvm_map_pageable_wire(fffffd806ee3fb88,fffffd8068242590,fffffd8068245968,12a,0,0) at uvm_map_pageable_wire+0x5b0 sys/uvm/uvm_map.c:2422 sys_mlock(ffff8000fffef7a8,ffff8000246ab8d8,ffff8000246ab930) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:772 syscall(ffff8000246ab9a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000246ab9a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2db463da0, count: -7 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000246ab680 rbx 0xffff800020d39bff rdx 0x8b rcx 0x2 rax 0x33 r8 0xffffffff81535884 kprintf+0x144 r9 0x1 r10 0x220bb413b377fc62 r11 0x238012f818113f1 r12 0xffff800020d39a00 r13 0 r14 0 r15 0x1 rip 0xffffffff81d4ebf8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000246ab670 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.1) pid=95442 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000fffeefc8,0xffffffff828b1ea0 process=0xffff8000ffffadc0 user=0xffff8000246a6000, vmspace=0xfffffd806ee3fb88 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 54187 213803 51459 0 7 0 syz-executor.1 *54187 95442 51459 0 7 0x4000000 syz-executor.1 96443 74558 0 0 3 0x14200 bored sosplice 51459 170029 75467 0 3 0x82 nanoslp syz-executor.1 36438 463205 75467 0 3 0x82 nanoslp syz-executor.0 75467 436510 70388 0 3 0x82 thrsleep syz-fuzzer 75467 384518 70388 0 3 0x4000082 nanoslp syz-fuzzer 75467 379337 70388 0 3 0x4000082 kqread syz-fuzzer 75467 258236 70388 0 3 0x4000082 thrsleep syz-fuzzer 75467 419161 70388 0 3 0x4000082 thrsleep syz-fuzzer 75467 397779 70388 0 3 0x4000082 thrsleep syz-fuzzer 75467 128578 70388 0 3 0x4000082 thrsleep syz-fuzzer 75467 336708 70388 0 3 0x4000082 thrsleep syz-fuzzer 70388 295745 50775 0 3 0x10008a sigsusp ksh 50775 188634 83645 0 3 0x9a kqread sshd 57804 270151 1 0 3 0x100083 ttyin getty 83645 222394 1 0 3 0x88 kqread sshd 17160 257022 22063 74 3 0x100092 bpf pflogd 22063 76217 1 0 3 0x80 netio pflogd 91983 513671 60794 73 3 0x100090 kqread syslogd 60794 22026 1 0 3 0x100082 netio syslogd 43309 450689 1 0 3 0x100080 kqread resolvd 92285 264757 17 77 3 0x100092 kqread dhcpleased 6527 512093 17 77 3 0x100092 kqread dhcpleased 17 435653 1 0 3 0x80 kqread dhcpleased 35362 336361 0 0 3 0x14200 bored smr 26578 382506 0 0 3 0x14200 pgzero zerothread 6391 229175 0 0 3 0x14200 aiodoned aiodoned 39257 472629 0 0 3 0x14200 syncer update 11190 340375 0 0 3 0x14200 cleaner cleaner 510 58839 0 0 3 0x14200 reaper reaper 52681 288934 0 0 3 0x14200 pgdaemon pagedaemon 81427 36205 0 0 3 0x14200 bored viomb 70165 284793 0 0 3 0x40014200 acpi0 acpi0 64448 249772 0 0 3 0x40014200 idle1 52784 144838 0 0 3 0x14200 bored softnet 68794 256428 0 0 3 0x14200 bored systqmp 78617 521372 0 0 3 0x14200 bored systq 42763 24326 0 0 3 0x40014200 bored softclock 49181 176075 0 0 3 0x40014200 idle0 1 209905 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 54187 (syz-executor.1) thread 0xffff8000fffef7a8 (95442) exclusive rwlock vmmaplk r = 0 (0xfffffd806ee3fba0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 uvm_map_pageable_wire+0x355 vm_map_unbusy_ln sys/uvm/uvm_map.c:5553 [inline] #1 uvm_map_pageable_wire+0x355 sys/uvm/uvm_map.c:2403 #2 sys_mlock+0x184 sys/uvm/uvm_mmap.c:772 #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 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff829f2050) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10134 6530K 6918K 78643K 13484 0 pcb 13 14K 16K 78643K 277 0 rtable 113 4K 5K 78643K 192 0 ifaddr 45 11K 11K 78643K 97 0 counters 44 34K 34K 78643K 66 0 ioctlops 0 0K 4K 78643K 1634 0 iov 0 0K 16K 78643K 30 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1338 84K 84K 78643K 2144 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 5 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 97 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 996 0 sigio 0 0K 0K 78643K 26 0 proc 70 87K 111K 78643K 370 0 subproc 26 1K 1K 78643K 26 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 45 0 in_multi 33 2K 2K 78643K 80 0 ether_multi 1 0K 0K 78643K 24 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 49 228K 228K 78643K 49 0 exec 0 0K 2K 78643K 427 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 229 80K 82K 78643K 14797 0 UVM aobj 15 5K 5K 78643K 15 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 61 0 NDP 6 0K 0K 78643K 21 0 temp 81 4194K 4258K 78643K 5626 0 kqueue 12 18K 20K 78643K 38 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 49 0 46 1 0 1 1 0 8 0 rtentry 112 46 0 1 2 0 2 2 0 8 0 unpcb 128 383 0 368 7 6 1 5 0 8 0 syncache 296 17 0 17 5 4 1 1 0 8 1 tcpqe 32 40 0 40 2 1 1 1 0 8 1 tcpcb 736 388 0 384 16 14 2 7 0 8 1 arp 120 6 0 0 1 0 1 1 0 8 0 inpcb 304 1640 0 1633 39 28 11 11 0 8 10 nd6 48 7 0 0 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 1 0 1 0 8 0 kcovpl 48 2 0 0 1 0 1 1 0 8 0 ppxss 1248 3 0 3 1 1 0 1 0 8 0 pffrag 232 9 0 7 1 0 1 1 0 482 0 pffrnode 88 9 0 7 1 0 1 1 0 8 0 pffrent 40 111 0 109 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 3 0 1 1 0 1 1 0 8 0 pfstitem 24 34 0 22 1 0 1 1 0 8 0 pfstkey 112 34 0 22 1 0 1 1 0 8 0 pfstate 320 34 0 22 2 0 2 2 0 8 0 pfrule 1360 43 0 30 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 193 0 0 13 0 13 13 0 8 0 art_table 32 194 0 0 2 0 2 2 0 8 0 art_node 16 45 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 5 2 1 1 1 0 8 0 semapl 112 95 0 85 1 0 1 1 0 8 0 shmpl 112 12 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2891 0 1481 89 0 89 89 0 8 0 ffsino 272 2891 0 1481 95 0 95 95 0 8 0 nchpl 144 4688 0 3067 61 0 61 61 0 8 0 uvmvnodes 80 3765 0 0 77 0 77 77 0 8 0 vnodes 224 3765 0 0 222 0 222 222 0 8 0 namei 1024 14421 0 14421 1 0 1 1 0 8 1 percpumem 16 45 0 11 1 0 1 1 0 8 0 vcpupl 2048 3 0 0 1 0 1 1 0 8 0 vmpool 560 3 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 3 0 0 1 0 1 1 0 8 0 scxspl 216 12580 0 12580 11 10 1 8 0 8 1 plimitpl 152 70 0 61 1 0 1 1 0 8 0 sigapl 424 1246 0 1213 4 0 4 4 0 8 0 futexpl 64 7305 0 7305 1 0 1 1 0 8 1 knotepl 112 62 0 0 2 0 2 2 0 8 0 kqueuepl 216 276 0 268 9 8 1 5 0 8 0 pipepl 336 145 0 135 3 2 1 2 0 8 0 fdescpl 496 1231 0 1213 3 0 3 3 0 8 0 filepl 152 8507 0 8399 26 16 10 10 0 8 5 lockfpl 104 173 0 170 1 0 1 1 0 8 0 lockfspl 48 79 0 76 1 0 1 1 0 8 0 sessionpl 144 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 509 0 497 1 0 1 1 0 8 0 zombiepl 144 1213 0 1212 1 0 1 1 0 8 0 processpl 1064 1246 0 1212 3 0 3 3 0 8 0 procpl 672 3294 0 3252 7 2 5 5 0 8 1 sosppl 168 13 0 13 3 3 0 1 0 8 0 sockpl 480 2075 0 2050 80 60 20 20 0 8 16 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 10 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 11 0 0 2 0 2 2 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 183 0 0 22 1 21 22 0 8 0 mtagpl 96 74 0 0 2 0 2 2 0 8 0 mbufpl 256 794 0 0 48 0 48 48 0 8 0 bufpl 288 4789 0 167 331 0 331 331 0 8 0 anonpl 24 337229 0 319939 135 8 127 131 0 186 21 amapchunkpl 152 35318 0 34645 35 6 29 31 0 158 0 amappl16 200 3357 0 2824 43 10 33 41 0 8 4 amappl15 192 76 0 71 1 0 1 1 0 8 0 amappl14 184 3 0 1 1 0 1 1 0 8 0 amappl13 176 31 0 29 1 0 1 1 0 8 0 amappl12 168 488 0 486 1 0 1 1 0 8 0 amappl11 160 68 0 49 1 0 1 1 0 8 0 amappl10 152 9 0 6 1 0 1 1 0 8 0 amappl9 144 755 0 750 1 0 1 1 0 8 0 amappl8 136 372 0 334 2 0 2 2 0 8 0 amappl7 128 55 0 48 1 0 1 1 0 8 0 amappl6 120 550 0 540 1 0 1 1 0 8 0 amappl5 112 1200 0 1179 1 0 1 1 0 8 0 amappl4 104 588 0 559 1 0 1 1 0 8 0 amappl3 96 699 0 681 1 0 1 1 0 8 0 amappl2 88 1352 0 1309 4 3 1 3 0 8 0 amappl1 80 24334 0 23888 13 3 10 13 0 8 0 amappl 88 14452 0 14283 5 0 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 14 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1234 0 1213 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1234 0 1213 1 0 1 1 0 8 0 vmmpekpl 168 12997 0 12976 3 1 2 2 0 8 0 vmmpepl 168 114160 0 112354 108 20 88 96 0 357 6 vmsppl 368 1233 0 1213 2 0 2 2 0 8 0 rwobjpl 56 33480 0 28382 75 2 73 73 0 8 1 pdppl 4096 2476 0 2429 65 16 49 50 0 8 2 pvpl 32 621288 0 600639 215 18 197 204 0 265 28 pmappl 248 1233 0 1213 2 0 2 2 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 703 0 35 20 0 20 20 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff8277fff0) 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(ffffffff829f1e48) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff829f1e48) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f end of kernel end trace frame: 0x7f7fffff7fa0, count: 9 ddb{0}> trace x86_ipi_db(ffffffff8277fff0) 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(ffffffff829f1e48) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff829f1e48) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f end of kernel end trace frame: 0x7f7fffff7fa0, count: -6 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:440 panic(ffffffff824f0b3b) at panic+0x177 sys/kern/subr_prf.c:202 uvm_fault_unwire_locked(fffffd806ee3fb88,206313000,206313000) at uvm_fault_unwire_locked+0x371 uvm_map_pageable_wire(fffffd806ee3fb88,fffffd8068242590,fffffd8068245968,12a,0,0) at uvm_map_pageable_wire+0x5b0 sys/uvm/uvm_map.c:2422 sys_mlock(ffff8000fffef7a8,ffff8000246ab8d8,ffff8000246ab930) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:772 syscall(ffff8000246ab9a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000246ab9a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2db463da0, count: 8 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff824f0b3b) at panic+0x177 sys/kern/subr_prf.c:202 uvm_fault_unwire_locked(fffffd806ee3fb88,206313000,206313000) at uvm_fault_unwire_locked+0x371 uvm_map_pageable_wire(fffffd806ee3fb88,fffffd8068242590,fffffd8068245968,12a,0,0) at uvm_map_pageable_wire+0x5b0 sys/uvm/uvm_map.c:2422 sys_mlock(ffff8000fffef7a8,ffff8000246ab8d8,ffff8000246ab930) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:772 syscall(ffff8000246ab9a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000246ab9a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2db463da0, count: -7