panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *208905 25703 32767 0x10 0x4000000 1K syz-executor 367200 25703 32767 0x10 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff834079b6) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bfb0588,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_wire(fffffd806bfb0588,400000000000,400000002000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1702 [inline] uvm_fault_wire(fffffd806bfb0588,400000000000,400000002000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1684 sysctl_vslock(400000000100,1918) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:195 kern_sysctl_dirs(3d,ffff80003c510ce8,4,400000000100,ffff80003c510d18,0,aba4c6097a0aa528,4) at kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426 kern_sysctl(ffff80003c510ce4,5,400000000100,ffff80003c510d18,0,ffffffffffffff67,bcd0a8c8f38d9d38) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff80002a44d470,ffff80003c510e50,ffff80003c510da0) at sys_sysctl+0x425 syscall(ffff80003c510e50) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c510e50) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x10f23c07ab0, 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{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+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff834079b6) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bfb0588,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_wire(fffffd806bfb0588,400000000000,400000002000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1702 [inline] uvm_fault_wire(fffffd806bfb0588,400000000000,400000002000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1684 sysctl_vslock(400000000100,1918) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:195 kern_sysctl_dirs(3d,ffff80003c510ce8,4,400000000100,ffff80003c510d18,0,aba4c6097a0aa528,4) at kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426 kern_sysctl(ffff80003c510ce4,5,400000000100,ffff80003c510d18,0,ffffffffffffff67,bcd0a8c8f38d9d38) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff80002a44d470,ffff80003c510e50,ffff80003c510da0) at sys_sysctl+0x425 syscall(ffff80003c510e50) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c510e50) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x10f23c07ab0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c510880 rbx 0xffff800029aacdc7 rdx 0 rcx 0xffff80002a44d470 rax 0xffff800029aabff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe7ae61fd33d43098 r11 0xf772fa9d379aa4bc r12 0xffff800029aacbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff83223625 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c510870 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=208905 pid=25703 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a44ccd8,0xffff80002a44d1f8 process=0xffff80003c4fb4b0 user=0xffff80003c50b000, vmspace=0xfffffd806bfb0588 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 91805 177630 65194 32767 3 0x90 nanoslp syz-executor 91805 119947 65194 32767 3 0x4000090 netcon syz-executor 25703 65520 18270 32767 2 0x10 syz-executor 25703 481553 18270 32767 2 0x4000010 syz-executor *25703 208905 18270 32767 7 0x4000010 syz-executor 25703 367200 18270 32767 7 0x4000010 syz-executor 74869 518188 81175 32767 3 0x90 nanoslp syz-executor 74869 122934 81175 32767 3 0x4000090 msgwait syz-executor 74869 325041 81175 32767 3 0x4000090 fsleep syz-executor 43234 75971 0 0 3 0x14200 bored sosplice 85570 40063 36545 32767 3 0x90 wait syz-executor 65194 365446 21424 32767 3 0x90 nanoslp syz-executor 81175 350965 42130 32767 3 0x90 nanoslp syz-executor 18270 110666 60623 32767 3 0x90 nanoslp syz-executor 34268 420101 6217 32767 3 0x90 nanoslp syz-executor 55620 125957 26315 32767 3 0x90 wait syz-executor 60781 421154 25284 32767 3 0x90 wait syz-executor 65973 49471 30456 32767 3 0x90 nanoslp syz-executor 42130 13082 92505 0 3 0x82 wait syz-executor 60623 119895 92505 0 3 0x82 wait syz-executor 6217 394402 92505 0 3 0x82 wait syz-executor 36545 522702 92505 0 3 0x82 wait syz-executor 26315 216530 92505 0 3 0x82 wait syz-executor 30456 175368 92505 0 3 0x82 wait syz-executor 25284 12854 92505 0 3 0x82 wait syz-executor 21424 206841 92505 0 3 0x82 wait syz-executor 92505 62786 29627 0 3 0x82 kqread syz-executor 29627 340211 77573 0 3 0x10008a sigsusp ksh 77573 61534 4664 0 3 0x98 kqread sshd-session 4664 485876 65585 0 3 0x92 kqread sshd-session 2353 339542 1 0 3 0x100083 ttyin getty 65585 135980 1 0 3 0x88 kqread sshd 51526 143001 45016 73 3 0x1100090 kqread syslogd 45016 102585 1 0 3 0x100082 sbwait syslogd 97131 235886 1 0 3 0x100080 kqread resolvd 1966 474332 95986 77 3 0x100092 kqread dhcpleased 84600 249723 95986 77 3 0x100092 kqread dhcpleased 95986 270692 1 0 3 0x80 kqread dhcpleased 7034 220902 0 0 3 0x14200 bored smr 76020 500800 0 0 3 0x14200 pgzero zerothread 54660 515038 0 0 3 0x14200 aiodoned aiodoned 52792 48517 0 0 3 0x14200 syncer update 38156 481750 0 0 3 0x14200 cleaner cleaner 30622 490721 0 0 3 0x14200 reaper reaper 73946 95196 0 0 3 0x14200 pgdaemon pagedaemon 82008 231084 0 0 3 0x14200 bored viomb 47003 500615 0 0 3 0x40014200 acpi0 acpi0 76244 19685 0 0 3 0x40014200 idle1 32909 70793 0 0 3 0x14200 bored softnet3 81722 330663 0 0 3 0x14200 bored softnet2 91747 380786 0 0 3 0x14200 bored softnet1 60821 99144 0 0 3 0x14200 bored softnet0 645 469655 0 0 3 0x14200 bored systqmp 84857 139821 0 0 3 0x14200 bored systq 76793 48135 0 0 3 0x14200 tmoslp softclockmp 74292 337490 0 0 3 0x40014200 tmoslp softclock 90971 450067 0 0 3 0x40014200 idle0 1 512992 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff839c4408) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvm_pmr_freepages+0x165 sys/uvm/uvm_pmemrange.c:1320 #4 uvm_anfree_list+0x210 sys/uvm/uvm_anon.c:116 #5 amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 #6 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #7 uvm_mapanon+0x84a sys/uvm/uvm_map.c:910 #8 uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1024 #9 sys_mmap+0xa96 sys/uvm/uvm_mmap.c:426 #10 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839c43d8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvm_anfree_list+0xeb sys/uvm/uvm_anon.c:104 #4 amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 #5 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #6 uvm_mapanon+0x84a sys/uvm/uvm_map.c:910 #7 uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1024 #8 sys_mmap+0xa96 sys/uvm/uvm_mmap.c:426 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 Process 25703 (syz-executor) thread 0xffff80002a44d470 (208905) shared rwlock vmmaplk r = 0 (0xfffffd806bfb0688) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_read+0x3af sys/kern/kern_rwlock.c:405 #2 uvm_fault_wire+0x116 uvm_fault_unwire sys/uvm/uvm_fault.c:1701 [inline] #2 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1684 #3 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:195 #4 kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426 #5 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #6 sys_sysctl+0x425 #7 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839c46d0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x24f sys/kern/kern_synch.c:414 #4 rw_do_enter_read+0x2de sys/kern/kern_rwlock.c:385 #5 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1864 #6 uvm_fault_check+0x4b sys/uvm/uvm_fault.c:732 #7 uvm_fault+0x106 sys/uvm/uvm_fault.c:668 #8 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1681 #9 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:195 #10 kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426 #11 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #12 sys_sysctl+0x425 #13 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff83876da8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:185 #3 kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #5 sys_sysctl+0x425 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 25703 (syz-executor) thread 0xffff80002a44d1e8 (367200) exclusive kernel: protection fault trap, code=0 Faulted in DDB; continuing... ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10192 10955K 10966K 166960K 11271 0 pcb 17 12K 12K 166960K 17 0 rtable 238 6K 6K 166960K 359 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 4 1K 2K 166960K 5 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 34 0 iov 0 0K 16K 166960K 15 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1332 84K 84K 166960K 1362 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 20 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 26 97K 117K 166960K 399 0 sigio 0 0K 0K 166960K 5 0 proc 61 91K 115K 166960K 510 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 96 0 in_multi 102 7K 7K 166960K 125 0 ether_multi 1 0K 0K 166960K 8 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 390 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 275 84K 89K 166960K 5002 0 UVM aobj 79 3K 3K 166960K 80 0 pinsyscall 47 94K 110K 166960K 1401 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 18 0 NDP 11 0K 2K 166960K 27 0 temp 53 8638K 8764K 166960K 8281 0 kqueue 13 20K 28K 166960K 86 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 58 0 55 1 0 1 1 0 8 0 rtentry 112 114 0 2 4 0 4 4 0 8 0 unpcb 144 251 0 236 4 0 4 4 0 8 3 syncache 336 6 0 6 1 0 1 1 0 8 1 tcpcb 808 184 0 179 8 0 8 8 0 8 7 arp 120 18 0 0 1 0 1 1 0 8 0 ipq 40 2 0 1 1 0 1 1 0 8 0 ipqe 40 46 0 45 1 0 1 1 0 8 0 inpcb 376 515 0 503 8 0 8 8 0 8 6 nd6 136 27 0 1 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 458 0 2 29 0 29 29 0 8 0 art_table 32 459 0 2 4 0 4 4 0 8 0 art_node 16 113 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 6 1 0 1 1 0 8 0 semapl 112 18 0 8 1 0 1 1 0 8 0 shmpl 112 77 0 1 3 0 3 3 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1918 0 409 95 0 95 95 0 8 0 ffsino 280 1918 0 409 108 0 108 108 0 8 0 nchpl 144 2485 0 805 63 0 63 63 0 8 0 uvmvnodes 80 1999 0 0 41 0 41 41 0 8 0 vnodes 216 1999 0 0 112 0 112 112 0 8 0 namei 1024 7363 0 7363 2 0 2 2 0 8 2 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 8653 0 8653 9 1 8 8 1 8 8 plimitpl 152 164 0 139 2 0 2 2 0 8 0 sigapl 424 672 0 615 7 0 7 7 0 8 0 futexpl 64 3871 0 3870 1 0 1 1 0 8 0 knotepl 120 310 0 0 10 0 10 10 0 8 0 kqueuepl 216 104 0 95 1 0 1 1 0 8 0 pipepl 328 134 0 107 3 0 3 3 0 8 0 fdescpl 504 653 0 615 7 1 6 6 0 8 0 filepl 152 3070 0 2849 14 0 14 14 0 8 4 lockfpl 104 95 0 93 1 0 1 1 0 8 0 lockfspl 48 43 0 41 1 0 1 1 0 8 0 sessionpl 144 23 0 7 1 0 1 1 0 8 0 pgrppl 48 34 0 10 1 0 1 1 0 8 0 ucredpl 104 390 0 371 1 0 1 1 0 8 0 zombiepl 144 620 0 615 1 0 1 1 0 8 0 processpl 1168 672 0 615 5 0 5 5 0 8 0 procpl 648 1125 0 1062 7 0 7 7 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 688 831 0 801 16 5 11 16 0 8 7 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 123 0 0 16 0 16 16 0 8 0 mcl2k 2048 22 0 0 3 0 3 3 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 358 0 0 23 0 23 23 0 8 0 bufpl 280 2957 0 124 203 0 203 203 0 8 0 anonpl 24 135672 0 128703 60 0 60 60 0 184 14 amapchunkpl 152 16613 0 15735 38 0 38 38 0 158 3 amappl16 200 3150 0 3091 27 10 17 21 0 8 9 amappl15 192 6 0 6 2 1 1 1 0 8 1 amappl14 184 123 0 113 1 0 1 1 0 8 0 amappl13 176 6 0 6 2 1 1 1 0 8 1 amappl12 168 1248 0 1208 3 1 2 2 0 8 0 amappl11 160 48 0 38 1 0 1 1 0 8 0 amappl10 152 5 0 5 1 1 0 1 0 8 0 amappl9 144 245 0 245 1 1 0 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 95 0 85 1 0 1 1 0 8 0 amappl6 120 172 0 169 1 0 1 1 0 8 0 amappl5 112 116 0 110 1 0 1 1 0 8 0 amappl4 104 283 0 266 1 0 1 1 0 8 0 amappl3 96 2912 0 2764 4 0 4 4 0 8 0 amappl2 88 616 0 560 2 0 2 2 0 8 0 amappl1 80 8636 0 8097 13 0 13 13 0 8 0 amappl 88 4649 0 4423 6 0 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 79 0 1 2 0 2 2 0 8 0 uaddrrnd 24 653 0 615 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 653 0 615 1 0 1 1 0 8 0 vmmpekpl 168 6906 0 6879 2 0 2 2 0 8 0 vmmpepl 168 46458 0 44341 103 0 103 103 0 357 6 vmsppl 456 652 0 615 7 1 6 6 0 8 0 rwobjpl 64 18344 0 15351 51 0 51 51 0 8 0 pdppl 4096 1314 0 1230 108 22 86 94 0 8 2 pvpl 32 19399 0 0 158 1 157 157 0 265 0 pmappl 248 652 0 615 4 1 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 306 0 25 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837b2ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 uvm_pagefree(fffffd8007d081a0) at uvm_pagefree+0x15 uvm_anfree_list(fffffd805e8e1150,0) at uvm_anfree_list+0x210 sys/uvm/uvm_anon.c:116 amap_wiperange_chunk(fffffd805fd26e18,fffffd805e9061d8,0,330) at amap_wiperange_chunk+0x1a8 sys/uvm/uvm_amap.c:983 amap_wiperange(fffffd805fd26e18,0,330) at amap_wiperange+0x49e sys/uvm/uvm_amap.c:1061 amap_pp_adjref(fffffd805fd26e18,0,330,ffffffff) at amap_pp_adjref+0x6f4 sys/uvm/uvm_amap.c:944 amap_adjref_anons(fffffd805fd26e18,0,330,ffffffff,0) at amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1329 uvm_unmap_detach(ffff80003c516518,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 uvm_mapanon(fffffd806bfb0588,ffff80003c516730,400000,0,3090713) at uvm_mapanon+0x84a sys/uvm/uvm_map.c:910 uvm_mmapanon(fffffd806bfb0588,ffff80003c516730,400000,3,7,5012,88170076b26e7600,5012) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1024 sys_mmap(ffff80002a44d1e8,ffff80003c5168a0,ffff80003c5167f0) at sys_mmap+0xa96 sys/uvm/uvm_mmap.c:426 end trace frame: 0xffff80003c516890, count: 0 ddb{0}> trace x86_ipi_db(ffffffff837b2ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 uvm_pagefree(fffffd8007d081a0) at uvm_pagefree+0x15 uvm_anfree_list(fffffd805e8e1150,0) at uvm_anfree_list+0x210 sys/uvm/uvm_anon.c:116 amap_wiperange_chunk(fffffd805fd26e18,fffffd805e9061d8,0,330) at amap_wiperange_chunk+0x1a8 sys/uvm/uvm_amap.c:983 amap_wiperange(fffffd805fd26e18,0,330) at amap_wiperange+0x49e sys/uvm/uvm_amap.c:1061 amap_pp_adjref(fffffd805fd26e18,0,330,ffffffff) at amap_pp_adjref+0x6f4 sys/uvm/uvm_amap.c:944 amap_adjref_anons(fffffd805fd26e18,0,330,ffffffff,0) at amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1329 uvm_unmap_detach(ffff80003c516518,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 uvm_mapanon(fffffd806bfb0588,ffff80003c516730,400000,0,3090713) at uvm_mapanon+0x84a sys/uvm/uvm_map.c:910 uvm_mmapanon(fffffd806bfb0588,ffff80003c516730,400000,3,7,5012,88170076b26e7600,5012) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1024 sys_mmap(ffff80002a44d1e8,ffff80003c5168a0,ffff80003c5167f0) at sys_mmap+0xa96 sys/uvm/uvm_mmap.c:426 syscall(ffff80003c5168a0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5168a0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x10f20fdb880, count: -16 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff834079b6) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bfb0588,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_wire(fffffd806bfb0588,400000000000,400000002000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1702 [inline] uvm_fault_wire(fffffd806bfb0588,400000000000,400000002000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1684 sysctl_vslock(400000000100,1918) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:195 kern_sysctl_dirs(3d,ffff80003c510ce8,4,400000000100,ffff80003c510d18,0,aba4c6097a0aa528,4) at kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426 kern_sysctl(ffff80003c510ce4,5,400000000100,ffff80003c510d18,0,ffffffffffffff67,bcd0a8c8f38d9d38) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff80002a44d470,ffff80003c510e50,ffff80003c510da0) at sys_sysctl+0x425 syscall(ffff80003c510e50) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c510e50) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x10f23c07ab0, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff834079b6) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bfb0588,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_wire(fffffd806bfb0588,400000000000,400000002000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1702 [inline] uvm_fault_wire(fffffd806bfb0588,400000000000,400000002000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1684 sysctl_vslock(400000000100,1918) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:195 kern_sysctl_dirs(3d,ffff80003c510ce8,4,400000000100,ffff80003c510d18,0,aba4c6097a0aa528,4) at kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426 kern_sysctl(ffff80003c510ce4,5,400000000100,ffff80003c510d18,0,ffffffffffffff67,bcd0a8c8f38d9d38) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff80002a44d470,ffff80003c510e50,ffff80003c510da0) at sys_sysctl+0x425 syscall(ffff80003c510e50) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c510e50) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x10f23c07ab0, count: -10