panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 223082 25261 0 0 0x4000000 1 syz-executor.5 * 59089 25261 0 0 0x4000000 0K syz-executor.5 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8285e800) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806efb31d8,20be0000,20bf0000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_wire(fffffd806efb31d8,20be0000,20bf1000,3) at uvm_fault_wire+0xd7 uvm_fault_unwire sys/uvm/uvm_fault.c:1623 [inline] uvm_fault_wire(fffffd806efb31d8,20be0000,20bf1000,3) at uvm_fault_wire+0xd7 sys/uvm/uvm_fault.c:1605 uvm_vslock_device(ffff8000212b92b0,20be0100,10000,3,ffff80002afb36e8) at uvm_vslock_device+0xe9 sys/uvm/uvm_glue.c:170 physio(ffffffff81e73bc0,d00,8000,ffffffff81e74240,ffff80002afb39c8) at physio+0x22c sys/kern/kern_physio.c:140 spec_read(ffff80002afb3820) at spec_read+0xfa sys/kern/spec_vnops.c:215 VOP_READ(fffffd80785bb6c0,ffff80002afb39c8,0,fffffd807f7d6680) at VOP_READ+0xc3 sys/kern/vfs_vops.c:227 vn_read(fffffd80788a5ac8,ffff80002afb39c8,0) at vn_read+0x12a sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000212b92b0,3,ffff80002afb39c8,0,ffff80002afb3ab0) at dofilereadv+0x1a2 sys/kern/sys_generic.c:247 sys_read(ffff8000212b92b0,ffff80002afb3a60,ffff80002afb3ab0) at sys_read+0x87 sys/kern/sys_generic.c:167 syscall(ffff80002afb3b30) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002afb3b30) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5fe205fb210, count: 2 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault_unwire_locked: address not in map ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8285e800) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806efb31d8,20be0000,20bf0000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_wire(fffffd806efb31d8,20be0000,20bf1000,3) at uvm_fault_wire+0xd7 uvm_fault_unwire sys/uvm/uvm_fault.c:1623 [inline] uvm_fault_wire(fffffd806efb31d8,20be0000,20bf1000,3) at uvm_fault_wire+0xd7 sys/uvm/uvm_fault.c:1605 uvm_vslock_device(ffff8000212b92b0,20be0100,10000,3,ffff80002afb36e8) at uvm_vslock_device+0xe9 sys/uvm/uvm_glue.c:170 physio(ffffffff81e73bc0,d00,8000,ffffffff81e74240,ffff80002afb39c8) at physio+0x22c sys/kern/kern_physio.c:140 spec_read(ffff80002afb3820) at spec_read+0xfa sys/kern/spec_vnops.c:215 VOP_READ(fffffd80785bb6c0,ffff80002afb39c8,0,fffffd807f7d6680) at VOP_READ+0xc3 sys/kern/vfs_vops.c:227 vn_read(fffffd80788a5ac8,ffff80002afb39c8,0) at vn_read+0x12a sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000212b92b0,3,ffff80002afb39c8,0,ffff80002afb3ab0) at dofilereadv+0x1a2 sys/kern/sys_generic.c:247 sys_read(ffff8000212b92b0,ffff80002afb3a60,ffff80002afb3ab0) at sys_read+0x87 sys/kern/sys_generic.c:167 syscall(ffff80002afb3b30) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002afb3b30) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5fe205fb210, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002afb3440 rbx 0xffffffff82bceba7 cpu_info_full_primary+0x2ba7 rdx 0 rcx 0xffff8000212b92b0 rax 0xffffffff82bcdff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe7c0d9196b3ee0af r11 0x9afe0e4365236c76 r12 0xffffffff82bce9a8 cpu_info_full_primary+0x29a8 r13 0 r14 0 r15 0x1 rip 0xffffffff811b9aac db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002afb3430 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.5) tid=59089 pid=25261 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=83, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff8000212b9008,0xffff8000212b9568 process=0xffff8000ffff3260 user=0xffff80002afae000, vmspace=0xfffffd806efb31d8 estcpu=33, cpticks=12, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 20263 126261 86438 0 2 0 syz-executor.7 88450 435827 70408 0 2 0 syz-executor.1 50569 360027 34469 0 2 0 syz-executor.0 50569 411472 34469 0 2 0x4000000 syz-executor.0 50569 522593 34469 0 2 0x4000000 syz-executor.0 50569 286835 34469 0 2 0x4000000 syz-executor.0 75472 482954 39855 0 3 0x80 nanoslp syz-executor.4 75472 459828 39855 0 3 0x4000080 kqsel syz-executor.4 75472 106714 39855 0 3 0x4000080 fsleep syz-executor.4 69748 277477 41 0 2 0 syz-executor.2 69748 274759 41 0 3 0x4000080 fsleep syz-executor.2 25261 428010 26765 0 2 0 syz-executor.5 25261 223082 26765 0 7 0x4000000 syz-executor.5 *25261 59089 26765 0 7 0x4000000 syz-executor.5 25261 47530 26765 0 3 0x4000080 fsleep syz-executor.5 64201 505545 9245 0 3 0x80 nanoslp syz-executor.6 64201 445334 9245 0 3 0x4000080 fifor syz-executor.6 64201 349101 9245 0 3 0x4000080 fifor syz-executor.6 64201 297258 9245 0 3 0x4000080 fsleep syz-executor.6 9245 162428 31816 0 3 0x82 nanoslp syz-executor.6 70408 500685 31816 0 3 0x82 nanoslp syz-executor.1 71063 59394 0 0 3 0x14200 acct acct 55812 330052 0 0 3 0x14280 nfsidl nfsio 40418 207196 0 0 3 0x14280 nfsidl nfsio 68155 304307 0 0 3 0x14280 nfsidl nfsio 85947 221109 0 0 3 0x14280 nfsidl nfsio 5845 373749 0 0 3 0x14280 nfsidl nfsio 4767 448692 0 0 3 0x14280 nfsidl nfsio 95219 326971 0 0 3 0x14280 nfsidl nfsio 23996 408366 0 0 3 0x14280 nfsidl nfsio 99315 52296 0 0 3 0x14280 nfsidl nfsio 55487 319814 0 0 3 0x14280 nfsidl nfsio 36129 178371 0 0 3 0x14280 nfsidl nfsio 667 408658 0 0 3 0x14280 nfsidl nfsio 41141 131915 0 0 3 0x14280 nfsidl nfsio 80807 248409 0 0 3 0x14280 nfsidl nfsio 94141 286660 0 0 3 0x14280 nfsidl nfsio 44151 482257 0 0 3 0x14280 nfsidl nfsio 33349 106076 0 0 3 0x14280 nfsidl nfsio 2051 885 0 0 3 0x14280 nfsidl nfsio 29814 20452 0 0 3 0x14280 nfsidl nfsio 5258 153523 0 0 3 0x14280 nfsidl nfsio 60754 302294 0 0 3 0x14200 bored sosplice 86438 181212 31816 0 3 0x82 nanoslp syz-executor.7 26765 234993 31816 0 3 0x82 nanoslp syz-executor.5 39855 197149 31816 0 3 0x82 nanoslp syz-executor.4 41 421729 31816 0 3 0x82 nanoslp syz-executor.2 34025 65820 31816 0 3 0x82 nanoslp syz-executor.3 34469 76793 31816 0 3 0x82 nanoslp syz-executor.0 31816 202422 59653 0 3 0x2000082 thrsleep syz-fuzzer 31816 256293 59653 0 3 0x6000082 nanoslp syz-fuzzer 31816 465906 59653 0 3 0x6000082 wait syz-fuzzer 31816 487672 59653 0 3 0x6000082 wait syz-fuzzer 31816 275650 59653 0 3 0x6000082 thrsleep syz-fuzzer 31816 344128 59653 0 3 0x6000082 wait syz-fuzzer 31816 492225 59653 0 3 0x6000082 wait syz-fuzzer 31816 171060 59653 0 3 0x6000082 wait syz-fuzzer 31816 235495 59653 0 3 0x6000082 wait syz-fuzzer 31816 16471 59653 0 3 0x6000082 thrsleep syz-fuzzer 31816 242868 59653 0 3 0x6000082 wait syz-fuzzer 31816 86432 59653 0 2 0x6000082 syz-fuzzer 31816 70154 59653 0 3 0x6000082 thrsleep syz-fuzzer 31816 522084 59653 0 3 0x6000082 thrsleep syz-fuzzer 31816 171343 59653 0 3 0x6000082 wait syz-fuzzer 59653 364822 40398 0 3 0x10008a sigsusp ksh 40398 71440 37974 0 3 0x9a kqread sshd 39179 117685 1 0 3 0x100083 ttyin getty 37974 367706 1 0 3 0x88 kqread sshd 77792 131372 7552 74 3 0x1100092 bpf pflogd 7552 191891 1 0 3 0x80 netio pflogd 34856 484876 87528 73 3 0x1100090 kqread syslogd 87528 148502 1 0 3 0x100082 netio syslogd 7936 67805 1 0 3 0x100080 kqread resolvd 60510 213652 22088 77 3 0x100092 kqread dhcpleased 31689 375687 22088 77 3 0x100092 kqread dhcpleased 22088 513374 1 0 3 0x80 kqread dhcpleased 50542 162076 0 0 3 0x14200 bored smr 84157 62162 0 0 2 0x14200 zerothread 10920 457508 0 0 3 0x14200 aiodoned aiodoned 23292 414402 0 0 3 0x14200 syncer update 9886 429452 0 0 3 0x14200 cleaner cleaner 50067 100285 0 0 3 0x14200 reaper reaper 85048 19427 0 0 3 0x14200 pgdaemon pagedaemon 74883 150498 0 0 3 0x14200 bored viomb 30591 419631 0 0 3 0x40014200 acpi0 acpi0 1067 251181 0 0 3 0x40014200 idle1 69499 17921 0 0 3 0x14200 bored softnet3 16771 509703 0 0 3 0x14200 bored softnet2 97408 29348 0 0 3 0x14200 bored softnet1 52086 313100 0 0 3 0x14200 bored softnet0 46330 300553 0 0 3 0x14200 bored systqmp 51045 304404 0 0 3 0x14200 bored systq 21788 59421 0 0 3 0x14200 tmoslp softclockmp 27614 323386 0 0 3 0x40014200 tmoslp softclock 45777 350033 0 0 3 0x40014200 idle0 1 117947 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 1: exclusive mutex &(curpg)->mdpage.pv_mtx r = 0 (0xfffffd8007de64b8) #0 witness_lock+0x447 #1 mtx_enter_try+0x104 #2 mtx_enter+0x4f sys/kern/kern_lock.c:266 #3 pmap_page_remove+0x48 sys/arch/amd64/amd64/pmap.c:1937 #4 uvm_anfree_list+0x98 #5 amap_wipeout+0x1c1 sys/uvm/uvm_amap.c:504 #6 uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1366 #7 sys_munmap+0x22e sys/uvm/uvm_mmap.c:539 #8 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x606 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 Process 25261 (syz-executor.5) thread 0xffff8000212b8568 (223082) exclusive kernel: protection fault trap, code=0 Faulted in DDB; continuing... ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10232 6875K 7229K 78643K 16324 0 pcb 13 11K 12K 78643K 117 0 rtable 249 7K 7K 78643K 466 0 pf 32 9K 10K 78643K 92 0 ifaddr 45 15K 16K 78643K 78 0 ifgroup 55 2K 2K 78643K 128 0 sysctl 2 0K 0K 78643K 2 0 counters 60 35K 36K 78643K 102 0 ioctlops 0 0K 4K 78643K 1524 0 iov 0 0K 20K 78643K 293 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1352 84K 85K 78643K 3043 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 3 5K 5K 78643K 20 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 384 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 93K 78643K 2335 0 sigio 0 0K 0K 78643K 18 0 proc 69 91K 128K 78643K 680 0 subproc 104 6K 6K 78643K 143 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 43 0 in_multi 99 7K 7K 78643K 153 0 ether_multi 1 0K 0K 78643K 1 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 91 413K 413K 78643K 91 0 exec 0 0K 1K 78643K 593 0 pfkey data 0 0K 0K 78643K 65 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 379 89K 90K 78643K 25604 0 UVM aobj 120 3K 3K 78643K 123 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 67 0 NDP 12 0K 1K 78643K 53 0 temp 62 5917K 5993K 78643K 21614 0 kqueue 13 20K 24K 78643K 160 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 76 0 73 1 0 1 1 0 8 0 rtentry 112 140 0 24 4 0 4 4 0 8 0 unpcb 144 2069 0 2052 31 30 1 8 0 8 0 syncache 304 6 0 6 3 2 1 1 0 8 1 sackhl 24 1 0 1 1 0 1 1 0 8 1 tcpqe 32 43 0 43 2 1 1 1 0 8 1 tcpcb 808 254 0 250 10 9 1 7 0 8 0 arp 120 23 0 4 1 0 1 1 0 8 0 inpcb 368 964 0 957 23 22 1 7 0 8 0 nd6 136 36 0 7 2 0 2 2 0 8 0 pkpcb 40 11 0 11 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1256 9 0 9 3 3 0 1 0 8 0 pffrag 232 38 0 38 1 1 0 1 0 482 0 pffrnode 88 38 0 38 1 1 0 1 0 8 0 pffrent 40 79 0 79 1 1 0 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 pfstitem 24 87 0 82 1 0 1 1 0 8 0 pfstkey 128 87 0 82 2 0 2 2 0 8 0 pfstate 376 87 0 82 5 2 3 5 0 8 1 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 566 0 90 30 0 30 30 0 8 0 art_table 32 567 0 90 4 0 4 4 0 8 0 art_node 16 139 0 33 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 7 2 1 1 1 0 8 0 semapl 112 382 0 372 1 0 1 1 0 8 0 shmpl 112 120 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 4821 0 3368 92 0 92 92 0 8 0 ffsino 272 4821 0 3368 98 0 98 98 0 8 0 nchpl 144 8314 0 7804 64 40 24 64 0 8 0 uvmvnodes 80 5877 0 0 120 0 120 120 0 8 0 vnodes 216 5877 0 0 327 0 327 327 0 8 0 namei 1024 27582 0 27582 4 3 1 2 0 8 1 percpumem 16 64 0 21 1 0 1 1 0 8 0 vcpupl 2048 10 0 0 2 0 2 2 0 8 0 vmpool 696 13 0 3 2 1 1 1 0 8 0 kstatmem 264 66 0 42 2 0 2 2 0 8 0 scxspl 216 22661 0 22661 17 15 2 8 1 8 2 plimitpl 152 306 0 290 1 0 1 1 0 8 0 sigapl 424 2682 0 2611 10 2 8 8 0 8 0 futexpl 64 16850 0 16846 1 0 1 1 0 8 0 knotepl 120 354 0 0 10 0 10 10 0 8 0 kqueuepl 216 336 0 326 7 6 1 5 0 8 0 pipepl 320 383 0 355 8 5 3 8 0 8 0 fdescpl 496 2642 0 2612 5 1 4 5 0 8 0 filepl 152 15481 0 15235 45 35 10 19 0 8 0 lockfpl 104 1014 0 1010 3 2 1 2 0 8 0 lockfspl 48 416 0 412 1 0 1 1 0 8 0 sessionpl 144 26 0 9 1 0 1 1 0 8 0 pgrppl 48 29 0 12 1 0 1 1 0 8 0 ucredpl 104 3980 0 3968 1 0 1 1 0 8 0 zombiepl 144 2612 0 2611 2 1 1 1 0 8 0 processpl 1072 2682 0 2611 5 0 5 5 0 8 0 procpl 680 6777 0 6680 11 2 9 9 0 8 0 sosppl 168 24 0 24 4 4 0 1 0 8 0 sockpl 488 3120 0 3093 104 99 5 28 0 8 1 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 9 0 0 2 0 2 2 0 8 0 mcl12k 12288 15 0 0 2 0 2 2 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 15 0 0 2 0 2 2 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 261 0 0 33 0 33 33 0 8 0 mtagpl 96 504 0 0 13 0 13 13 0 8 0 mbufpl 256 768 0 0 42 0 42 42 0 8 0 bufpl 288 7241 0 917 452 0 452 452 0 8 0 anonpl 24 402543 0 387612 143 41 102 107 0 186 0 amapchunkpl 152 80873 0 79959 55 17 38 42 0 158 1 amappl16 200 9991 0 9510 59 27 32 34 0 8 5 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 173 0 160 2 1 1 2 0 8 0 amappl13 176 38 0 38 1 1 0 1 0 8 0 amappl12 168 3359 0 3327 4 2 2 3 0 8 0 amappl11 160 58 0 44 1 0 1 1 0 8 0 amappl10 152 35 0 25 2 1 1 1 0 8 0 amappl9 144 174 0 174 1 0 1 1 0 8 1 amappl8 136 320 0 248 3 0 3 3 0 8 0 amappl7 128 208 0 182 3 1 2 3 0 8 0 amappl6 120 314 0 302 1 0 1 1 0 8 0 amappl5 112 155 0 143 1 0 1 1 0 8 0 amappl4 104 515 0 485 2 1 1 2 0 8 0 amappl3 96 16046 0 15949 5 2 3 4 0 8 0 amappl2 88 3181 0 3107 3 1 2 3 0 8 0 amappl1 80 17770 0 17211 23 10 13 23 0 8 0 amappl 88 24962 0 24715 7 0 7 7 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 72 122 0 3 3 0 3 3 0 8 0 uaddrrnd 24 2656 0 2616 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2656 0 2616 1 0 1 1 0 8 0 vmmpekpl 168 25825 0 25778 3 0 3 3 0 8 0 vmmpepl 168 176370 0 173911 182 69 113 138 0 357 0 vmsppl 464 2655 0 2616 7 1 6 6 0 8 0 rwobjpl 56 56120 0 48523 111 2 109 109 0 8 0 pdppl 4096 5320 0 5242 195 115 80 84 0 8 2 pvpl 32 960734 0 940014 406 222 184 367 0 265 1 pmappl 248 2655 0 2616 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1012 0 156 25 0 25 25 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8285e800) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806efb31d8,20be0000,20bf0000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_wire(fffffd806efb31d8,20be0000,20bf1000,3) at uvm_fault_wire+0xd7 uvm_fault_unwire sys/uvm/uvm_fault.c:1623 [inline] uvm_fault_wire(fffffd806efb31d8,20be0000,20bf1000,3) at uvm_fault_wire+0xd7 sys/uvm/uvm_fault.c:1605 uvm_vslock_device(ffff8000212b92b0,20be0100,10000,3,ffff80002afb36e8) at uvm_vslock_device+0xe9 sys/uvm/uvm_glue.c:170 physio(ffffffff81e73bc0,d00,8000,ffffffff81e74240,ffff80002afb39c8) at physio+0x22c sys/kern/kern_physio.c:140 spec_read(ffff80002afb3820) at spec_read+0xfa sys/kern/spec_vnops.c:215 VOP_READ(fffffd80785bb6c0,ffff80002afb39c8,0,fffffd807f7d6680) at VOP_READ+0xc3 sys/kern/vfs_vops.c:227 vn_read(fffffd80788a5ac8,ffff80002afb39c8,0) at vn_read+0x12a sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000212b92b0,3,ffff80002afb39c8,0,ffff80002afb3ab0) at dofilereadv+0x1a2 sys/kern/sys_generic.c:247 sys_read(ffff8000212b92b0,ffff80002afb3a60,ffff80002afb3ab0) at sys_read+0x87 sys/kern/sys_generic.c:167 syscall(ffff80002afb3b30) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002afb3b30) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5fe205fb210, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800020d58ff0) at x86_ipi_db+0x1e 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+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x41 sys/dev/kcov.c:164 pool_put(ffffffff82d79c18,fffffd8074698660) at pool_put+0x8f sys/kern/subr_pool.c:799 amap_wipeout(fffffd80669a5758) at amap_wipeout+0x1c1 sys/uvm/uvm_amap.c:504 uvm_unmap_detach(ffff80002afa72f0,0) at uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1366 sys_munmap(ffff8000212b8568,ffff80002afa7360,ffff80002afa73b0) at sys_munmap+0x22e sys/uvm/uvm_mmap.c:539 syscall(ffff80002afa7430) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002afa7430) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5fe5f48b660, count: 5 ddb{1}> trace x86_ipi_db(ffff800020d58ff0) at x86_ipi_db+0x1e 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+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x41 sys/dev/kcov.c:164 pool_put(ffffffff82d79c18,fffffd8074698660) at pool_put+0x8f sys/kern/subr_pool.c:799 amap_wipeout(fffffd80669a5758) at amap_wipeout+0x1c1 sys/uvm/uvm_amap.c:504 uvm_unmap_detach(ffff80002afa72f0,0) at uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1366 sys_munmap(ffff8000212b8568,ffff80002afa7360,ffff80002afa73b0) at sys_munmap+0x22e sys/uvm/uvm_mmap.c:539 syscall(ffff80002afa7430) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002afa7430) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5fe5f48b660, count: -10