uvm_fault(0xfffffd8071257b60, 0x3460, 0, 2) -> e kernel: page fault trap, code=2 Stopped at copyout+0x57: repe movsq (%rsi),%es:(%rdi) TID PID UID PRFLAGS PFLAGS CPU COMMAND *495159 98785 0 0 0x4000000 0 syz-executor 283395 90286 0 0x14000 0x200 1 reaper copyout() at copyout+0x57 syscall(ffff80002a3daf60) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3daf60) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfdfd08aebc0, count: 12 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(0xfffffd8071257b60, 0x3460, 0, 2) -> e ddb{0}> trace copyout() at copyout+0x57 syscall(ffff80002a3daf60) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3daf60) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfdfd08aebc0, count: -3 ddb{0}> show registers rdi 0x3460 __ALIGN_SIZE+0x2460 rsi 0xffff80002a3dad30 rbp 0xffff80002a3dae80 rbx 0xa857 __ALIGN_SIZE+0x9857 rdx 0xffff80002a3d6000 rcx 0x4 rax 0x20 r8 0x7f7fffffc000 r9 0 r10 0x9e8893fb77732abe r11 0xffffffff82f8f4a0 copy_fault r12 0x4 r13 0x16 r14 0xffff80002a3daf60 r15 0xffff80002a3dad30 rip 0xffffffff82f8f3c7 copyout+0x57 cs 0x8 rflags 0x50202 acpi_pdirpa+0x3c073 rsp 0xffff80002a3dabc0 ss 0x10 copyout+0x57: repe movsq (%rsi),%es:(%rdi) ddb{0}> show proc PROC (syz-executor) tid=495159 pid=98785 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=73, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c458028,0xffff80003c459c68 process=0xffff80003c4beeb8 user=0xffff80002a3d6000, vmspace=0xfffffd8071257b60 estcpu=23, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 88901 286509 79020 0 2 0 syz-executor 88901 89232 79020 0 3 0x4000080 fsleep syz-executor 88901 188639 79020 0 3 0x4000080 fsleep syz-executor 98785 457804 32596 0 2 0 syz-executor *98785 495159 32596 0 7 0x4000000 syz-executor 98785 108663 32596 0 3 0x4000080 fsleep syz-executor 30279 77115 0 0 3 0x14200 acct acct 79020 82588 19719 0 3 0x82 nanoslp syz-executor 8597 443191 0 0 3 0x14200 bored sosplice 92054 196268 0 0 3 0x14280 nfsidl nfsio 25393 418033 0 0 3 0x14280 nfsidl nfsio 48512 485601 0 0 3 0x14280 nfsidl nfsio 44944 244340 0 0 3 0x14280 nfsidl nfsio 50036 58214 0 0 3 0x14280 nfsidl nfsio 43454 61446 0 0 3 0x14280 nfsidl nfsio 27608 252292 0 0 3 0x14280 nfsidl nfsio 32116 272209 0 0 3 0x14280 nfsidl nfsio 24951 179660 0 0 3 0x14280 nfsidl nfsio 65764 73893 0 0 3 0x14280 nfsidl nfsio 47186 233389 0 0 3 0x14280 nfsidl nfsio 81056 312876 0 0 3 0x14280 nfsidl nfsio 77542 443486 0 0 3 0x14280 nfsidl nfsio 79555 494253 0 0 3 0x14280 nfsidl nfsio 23405 264178 0 0 3 0x14280 nfsidl nfsio 75271 325512 0 0 3 0x14280 nfsidl nfsio 92323 314152 0 0 3 0x14280 nfsidl nfsio 90981 34412 0 0 3 0x14280 nfsidl nfsio 84490 19955 0 0 3 0x14280 nfsidl nfsio 67264 53086 0 0 3 0x14280 nfsidl nfsio 84936 397299 494 0 3 0x100082 sbwait ndp 494 243336 58640 0 3 0x10008a sigsusp sh 69768 364962 14467 0 3 0x100082 sbwait arp 14467 103901 72319 0 3 0x10008a sigsusp sh 32596 201438 19719 0 2 0x482 syz-executor 52381 255245 19719 0 2 0x482 syz-executor 58640 85350 19719 0 3 0x82 wait syz-executor 97657 289325 19719 0 2 0x482 syz-executor 21114 288360 19719 0 2 0x2 syz-executor 79291 402280 19719 0 2 0x2 syz-executor 72319 26780 19719 0 3 0x82 wait syz-executor 19719 172136 28781 0 3 0x82 kqread syz-executor 28781 428577 54003 0 3 0x10008a sigsusp ksh 54003 426467 26001 0 3 0x98 kqread sshd-session 26001 272101 74823 0 3 0x92 kqread sshd-session 46682 315374 1 0 3 0x100083 ttyin getty 74823 342158 1 0 3 0x88 kqread sshd 14364 111171 72342 74 3 0x1100092 bpf pflogd 72342 203915 1 0 3 0x80 sbwait pflogd 15054 157344 27542 73 3 0x1100090 kqread syslogd 27542 96139 1 0 3 0x100082 sbwait syslogd 31094 82273 1 0 3 0x100080 kqread resolvd 44363 435598 56162 77 3 0x100092 kqread dhcpleased 47071 32059 56162 77 3 0x100092 kqread dhcpleased 56162 157635 1 0 3 0x80 kqread dhcpleased 93152 296980 0 0 3 0x14200 bored smr 10036 340933 0 0 3 0x14200 pgzero zerothread 55374 368848 0 0 3 0x14200 aiodoned aiodoned 75190 459507 0 0 3 0x14200 syncer update 59667 187204 0 0 3 0x14200 cleaner cleaner 90286 283395 0 0 7 0x14200 reaper 18711 277225 0 0 3 0x14200 pgdaemon pagedaemon 10195 154811 0 0 3 0x14200 bored viomb 88424 367718 0 0 3 0x40014200 acpi0 acpi0 249 243341 0 0 3 0x40014200 idle1 52200 55886 0 0 3 0x14200 bored softnet3 66123 225914 0 0 3 0x14200 bored softnet2 74258 135455 0 0 3 0x14200 bored softnet1 57105 350859 0 0 3 0x14200 bored softnet0 88045 385564 0 0 3 0x14200 bored systqmp 40593 106287 0 0 3 0x14200 bored systq 9781 457507 0 0 3 0x14200 tmoslp softclockmp 19237 29527 0 0 2 0x40014200 softclock 72333 17983 0 0 3 0x40014200 idle0 1 245423 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 1: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd800bb71a10) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 pmap_do_remove+0xa9 rcr3 machine/cpufunc.h:139 [inline] #3 pmap_do_remove+0xa9 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline] #3 pmap_do_remove+0xa9 sys/arch/amd64/amd64/pmap.c:1824 #4 uvm_unmap_kill_entry_withlock+0x26f sys/uvm/uvm_map.c:1863 #5 uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] #5 uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 #6 uvmspace_free+0xcd sys/uvm/uvm_map.c:3420 #7 reaper+0x246 sys/kern/kern_exit.c:478 #8 proc_trampoline+0x10 Process 21114 (syz-executor) thread 0xffff80002a2b4538 (288360) exclusive rrwlock inode r = 0 (0xfffffd8076a14f58) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3117 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cfd1af8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 79291 (syz-executor) thread 0xffff80002a2b47c8 (402280) exclusive rrwlock inode r = 0 (0xfffffd806edfcf40) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:694 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cd20e50) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 90286 (reaper) thread 0xffff8000ffffd1f8 (283395) exclusive rwlock vmmaplk r = 0 (0xfffffd80712578a0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #3 uvm_map_teardown+0x5e sys/uvm/uvm_map.c:2480 #4 uvmspace_free+0xcd sys/uvm/uvm_map.c:3420 #5 reaper+0x246 sys/kern/kern_exit.c:478 #6 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10206 11050K 12411K 166960K 13377 0 pcb 17 14K 16K 166960K 349 0 rtable 183 10K 11K 166960K 518 0 pf 41 19K 23K 166960K 143 0 ifaddr 34 5K 7K 166960K 87 0 ifgroup 53 2K 2K 166960K 131 0 sysctl 4 1K 1K 166960K 4 0 counters 64 36K 37K 166960K 146 0 ioctlops 0 0K 4K 166960K 1659 0 iov 0 0K 16K 166960K 125 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1461 92K 92K 166960K 2502 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 19 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 39 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 1125 0 sigio 0 0K 0K 166960K 80 0 proc 72 91K 140K 166960K 690 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 179 0 in_multi 57 4K 6K 166960K 137 0 ether_multi 1 0K 0K 166960K 10 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 472 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 244 165K 183K 166960K 11791 0 UVM aobj 34 3K 3K 166960K 35 0 pinsyscall 44 88K 111K 166960K 2276 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 34 0 NDP 12 0K 1K 166960K 56 0 temp 78 8692K 8804K 166960K 40759 0 kqueue 16 24K 30K 166960K 210 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 119 0 114 2 1 1 2 0 8 0 rtentry 176 153 0 82 5 0 5 5 0 8 0 unpcb 144 678 0 661 7 5 2 6 0 8 1 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 410 0 406 12 5 7 7 0 8 6 arp 128 26 0 10 1 0 1 1 0 8 0 inpcb 384 1216 0 1209 24 16 8 11 0 8 7 nd6 144 31 0 16 1 0 1 1 0 8 0 pkpcb 40 10 0 10 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 32 0 31 3 2 1 1 0 8 0 pppxif 1504 3 0 3 2 2 0 1 0 8 0 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 6 0 2 1 0 1 1 0 482 0 pffrnode 88 6 0 2 1 0 1 1 0 8 0 pffrent 40 9 0 5 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 5 0 2 1 0 1 1 0 8 0 pfanchor 1288 2 0 1 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 74 0 23 1 0 1 1 0 8 0 pfstkey 128 78 0 27 2 0 2 2 0 8 0 pfstate 384 75 0 25 6 0 6 6 0 8 0 pfrule 1344 34 0 25 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 571 0 285 28 7 21 27 0 8 0 art_table 32 574 0 285 4 0 4 4 0 8 0 art_node 16 148 0 85 1 0 1 1 0 8 0 semapl 112 36 0 26 1 0 1 1 0 8 0 shmpl 112 32 0 1 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 3374 0 1872 95 0 95 95 0 8 0 ffsino 288 3374 0 1872 109 0 109 109 0 8 0 nchpl 144 4928 0 3238 64 0 64 64 0 8 1 rtmask 32 7 0 7 2 1 1 1 0 8 1 uvmvnodes 80 4248 0 0 87 0 87 87 0 8 0 vnodes 216 4248 0 0 236 0 236 236 0 8 0 namei 1024 16419 0 16418 2 1 1 1 0 8 0 percpumem 16 88 0 41 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 76 0 52 4 2 2 3 0 8 0 scsiplug 72 2 0 2 2 2 0 1 0 8 0 scxspl 216 15124 0 15124 10 9 1 8 1 8 1 plimitpl 152 298 0 281 1 0 1 1 0 8 0 sigapl 424 1451 0 1379 9 0 9 9 0 8 0 futexpl 64 14606 0 14603 1 0 1 1 0 8 0 knotepl 120 558 0 0 17 0 17 17 0 8 0 kqueuepl 224 374 0 362 5 3 2 3 0 8 0 pipepl 336 177 0 150 3 0 3 3 0 8 0 fdescpl 520 1410 0 1379 3 0 3 3 0 8 0 filepl 160 8000 0 7785 21 6 15 15 0 8 5 lockfpl 104 341 0 339 1 0 1 1 0 8 0 lockfspl 48 106 0 104 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 48 0 31 1 0 1 1 0 8 0 ucredpl 104 960 0 947 1 0 1 1 0 8 0 zombiepl 144 1381 0 1379 2 1 1 1 0 8 0 processpl 1192 1451 0 1379 6 0 6 6 0 8 0 procpl 656 3026 0 2950 8 0 8 8 0 8 0 srpgc 96 10 0 10 3 3 0 1 0 8 0 sosppl 168 15 0 15 3 3 0 1 0 8 0 sockpl 728 2039 0 2010 27 18 9 15 0 8 6 mcl64k 65536 19 0 0 3 0 3 3 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 31 0 0 4 0 4 4 0 8 0 mtagpl 96 54 0 0 2 0 2 2 0 8 0 mbufpl 256 257 0 0 16 0 16 16 0 8 0 bufpl 280 4460 0 162 307 0 307 307 0 8 0 anonpl 32 10825 0 0 88 0 88 88 0 246 0 amapchunkpl 152 39300 0 38775 43 11 32 34 0 158 8 amappl16 200 4832 0 4556 34 16 18 18 0 8 0 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 143 0 129 1 0 1 1 0 8 0 amappl13 176 8 0 8 1 1 0 1 0 8 0 amappl12 168 2091 0 2057 4 1 3 3 0 8 0 amappl11 160 57 0 43 1 0 1 1 0 8 0 amappl10 152 4 0 4 2 2 0 1 0 8 0 amappl9 144 252 0 252 1 1 0 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 112 0 97 1 0 1 1 0 8 0 amappl6 120 211 0 205 1 0 1 1 0 8 0 amappl5 112 130 0 119 1 0 1 1 0 8 0 amappl4 104 325 0 301 1 0 1 1 0 8 0 amappl3 96 7869 0 7766 4 0 4 4 0 8 0 amappl2 88 685 0 616 2 0 2 2 0 8 0 amappl1 80 12323 0 11673 16 0 16 16 0 8 0 amappl 88 10896 0 10738 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma16384 16384 1 0 1 1 1 0 1 0 8 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 128 255 0 255 3 3 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 34 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1410 0 1379 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1410 0 1379 1 0 1 1 0 8 0 vmmpekpl 168 11956 0 11905 3 0 3 3 0 8 0 vmmpepl 168 92831 0 90596 124 18 106 106 0 357 0 vmsppl 480 1409 0 1378 5 0 5 5 0 8 0 rwobjpl 72 29853 0 24307 106 3 103 103 0 8 0 pdppl 4096 2828 0 2756 108 32 76 88 0 8 4 pvpl 32 18857 0 0 153 1 152 152 0 265 0 pmappl 256 1409 0 1378 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 413 0 50 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace copyout() at copyout+0x57 syscall(ffff80002a3daf60) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3daf60) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfdfd08aebc0, count: -3 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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_anfree_list(fffffd805e5ff5a8,0) at uvm_anfree_list+0x2f5 sys/uvm/uvm_anon.c:136 amap_wipeout(fffffd80694f5750) at amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 uvm_unmap_detach(ffff80002a2508b0,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 uvm_map_teardown(fffffd80712577a0) at uvm_map_teardown+0x358 sys/uvm/uvm_map.c:2516 uvmspace_free(fffffd80712577a0) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3420 reaper(ffff8000ffffd1f8) at reaper+0x246 sys/kern/kern_exit.c:478 end trace frame: 0x0, count: 5 ddb{1}> trace x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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_anfree_list(fffffd805e5ff5a8,0) at uvm_anfree_list+0x2f5 sys/uvm/uvm_anon.c:136 amap_wipeout(fffffd80694f5750) at amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 uvm_unmap_detach(ffff80002a2508b0,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 uvm_map_teardown(fffffd80712577a0) at uvm_map_teardown+0x358 sys/uvm/uvm_map.c:2516 uvmspace_free(fffffd80712577a0) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3420 reaper(ffff8000ffffd1f8) at reaper+0x246 sys/kern/kern_exit.c:478 end trace frame: 0x0, count: -10