uvm_fault(0xfffffd805bc523f8, 0x0, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff826eefd8 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff80002efc5ee0 gsbase 0xffff8000299ddff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff826eefd8 Starting stack trace... panic(ffffffff833db10f) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff80002efc5e30) at kerntrap+0x30b alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff800001718000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff80002a261a08) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a261a08) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002efc5fe0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8078fd3880,81,fffffd80097fd4e0,ffff80002a261a08) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806ca4a348,ffff80002a261a08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806ca4a348,ffff80002a261a08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806ca4a348,ffff80002a261a08) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806ca4a348,ffff80002a261a08) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a261a08) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a261a08,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a261a08,ffff80002efc6350,ffff80002efc62a0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002efc6350) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002efc6350) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75ed7c662d10, count: 242 End of stack trace. WARNING: SPL NOT LOWERED ON TRAP EXIT 4 0 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND *335857 28592 0 0 0 1 syz-executor 184596 91179 0 0x14000 0x200 0 reaper proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7cc47e92bb00, count: 14 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}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xfffffd805bc523f8, 0x0, 0, 1) -> e ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7cc47e92bb00, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a3a83d0 rbx 0 rdx 0 rcx 0xffff80003c42fa18 rax 0x2a r8 0xffff80002a3a8300 r9 0x1 r10 0x147841f15b78825a r11 0x6f99eb36ff74ae19 r12 0 r13 0xffffffff82480ff8 Xdoreti+0x18 r14 0 r15 0 rip 0xffffffff81e854c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff80002a3a8350 ss 0x10 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{1}> show proc PROC (syz-executor) tid=335857 pid=28592 tcnt=3 stat=onproc flags process=0 proc=0 runpri=86, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c42fcb0,0xffff80003c42e2d0 process=0xffff8000ffff4e78 user=0xffff80002a3a3000, vmspace=0xfffffd806c7887c0 estcpu=36, cpticks=5, pctcpu=0.0, user=5, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 13199 362545 73407 0 2 0 syz-executor 80230 243506 31065 0 2 0 syz-executor 80230 461924 31065 0 2 0x4000000 syz-executor 76868 152317 93698 0 2 0 syz-executor 76868 321613 93698 0 3 0x4000000 biowait syz-executor 76868 310380 93698 0 3 0x4000000 inode syz-executor *28592 335857 52614 0 7 0 syz-executor 28592 491063 52614 0 3 0x4000000 inode syz-executor 28592 203540 52614 0 3 0x4000000 inode syz-executor 4256 376089 28669 0 3 0x80 nanoslp syz-executor 4256 260570 28669 0 3 0x4000080 ttyin syz-executor 4256 499515 28669 0 3 0x4000080 fsleep syz-executor 4256 444043 28669 0 3 0x4000080 fsleep syz-executor 16198 408880 0 0 3 0x14200 acct acct 20369 13514 11301 0 3 0x80 nanoslp syz-executor 20369 385746 11301 0 3 0x4000080 sbwait syz-executor 20369 289380 11301 0 3 0x4000080 fsleep syz-executor 20369 249058 11301 0 3 0x4000080 fsleep syz-executor 93698 471394 56567 0 3 0x82 nanoslp syz-executor 52614 135299 56567 0 3 0x82 nanoslp syz-executor 73407 413172 56567 0 3 0x82 nanoslp syz-executor 80587 479464 56567 0 3 0x82 wait syz-executor 31065 62011 56567 0 3 0x82 nanoslp syz-executor 39389 253346 56567 0 3 0x82 nanoslp syz-executor 28669 322863 56567 0 3 0x82 nanoslp syz-executor 82054 456909 1 0 3 0x100083 ttyopn getty 11301 423234 56567 0 3 0x82 nanoslp syz-executor 56567 501467 77575 0 3 0x82 kqread syz-executor 77575 413288 23627 0 3 0x10008a sigsusp ksh 23627 321490 45180 0 3 0x98 kqread sshd-session 45180 30199 81239 0 3 0x92 kqread sshd-session 81239 195820 1 0 3 0x88 kqread sshd 89697 347677 30180 74 3 0x1100092 bpf pflogd 30180 175728 1 0 3 0x80 sbwait pflogd 51979 239547 48787 73 3 0x1100090 kqread syslogd 48787 12150 1 0 3 0x100082 sbwait syslogd 39256 455474 1 0 3 0x100080 kqread resolvd 84760 323033 95248 77 3 0x100092 kqread dhcpleased 97902 277730 95248 77 3 0x100092 kqread dhcpleased 95248 129978 1 0 3 0x80 kqread dhcpleased 10257 370950 0 0 3 0x14200 bored smr 88591 511869 0 0 2 0x14200 zerothread 86721 433783 0 0 3 0x14200 aiodoned aiodoned 27122 298983 0 0 3 0x14200 syncer update 82210 55359 0 0 3 0x14200 cleaner cleaner 91179 184596 0 0 7 0x14200 reaper 41659 386936 0 0 3 0x14200 pgdaemon pagedaemon 95907 467151 0 0 3 0x14200 bored viomb 47416 140903 0 0 3 0x40014200 acpi0 acpi0 46901 259704 0 0 3 0x40014200 idle1 31856 41180 0 0 3 0x14200 bored softnet1 76146 295648 0 0 3 0x14200 netlock softnet0 80930 330175 0 0 2 0x40014200 systqmp 59904 441979 0 0 3 0x14200 bored systq 13053 106732 0 0 3 0x14200 tmoslp softclockmp 10996 6821 0 0 3 0x40014200 tmoslp softclock 34080 286645 0 0 3 0x40014200 idle0 1 296664 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 76868 (syz-executor) thread 0xffff80002a260018 (321613) exclusive rrwlock inode r = 0 (0xfffffd806f07cdc0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 76868 (syz-executor) thread 0xffff80003c42f250 (310380) exclusive rrwlock inode r = 0 (0xfffffd80755dca28) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domknodat+0xb4 sys/kern/vfs_syscalls.c:1592 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 28592 (syz-executor) thread 0xffff80003c42e028 (491063) exclusive rrwlock inode r = 0 (0xfffffd8075b75dc8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #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:1232 #6 ufs_lookup+0x1ad6 sys/ufs/ufs/ufs_lookup.c:520 #7 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #9 namei+0x7ca sys/kern/vfs_lookup.c:250 #10 dorenameat+0x144 sys/kern/vfs_syscalls.c:3004 #11 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806ef1c5a8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dorenameat+0x144 sys/kern/vfs_syscalls.c:3004 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 4256 (syz-executor) thread 0xffff80003c42f780 (260570) exclusive rrwlock inode r = 0 (0xfffffd806e9fe918) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 spec_open+0x2f2 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #7 vn_open+0x6a0 sys/kern/vfs_vnops.c:177 #8 vndioctl+0xc43 sys/dev/vnd.c:458 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #11 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #13 Xsyscall+0x128 Process 91179 (reaper) thread 0xffff8000ffffd760 (184596) exclusive rwlock kmmaplk r = 0 (0xffffffff839034f8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5165 #3 uvm_unmap+0x7d sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:714 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 #6 reaper+0x1ca sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11116 12222K 12955K 166960K 15105 0 pcb 17 18K 23K 166960K 688 0 rtable 255 14K 14K 166960K 841 0 pf 39 18K 98K 166960K 310 0 ifaddr 42 8K 8K 166960K 204 0 ifgroup 60 2K 3K 166960K 357 0 sysctl 4 1K 9K 166960K 21 0 counters 72 37K 38K 166960K 392 0 ioctlops 0 0K 4K 166960K 2039 0 iov 0 0K 24K 166960K 109 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1474 93K 93K 166960K 3780 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 22 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 119 0 dirhash 15 2K 2K 166960K 87 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 2220 0 sigio 0 0K 0K 166960K 177 0 proc 73 115K 164K 166960K 988 0 subproc 72 4K 4K 166960K 145 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 245 0 in_multi 92 6K 7K 166960K 277 0 ether_multi 1 0K 0K 166960K 26 0 mrt 1 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 848 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 265 168K 187K 166960K 21293 0 UVM aobj 99 9K 15K 166960K 106 0 pinsyscall 43 86K 106K 166960K 3552 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 159 0 NDP 15 0K 2K 166960K 147 0 temp 80 8684K 8940K 166960K 79404 0 kqueue 13 20K 30K 166960K 390 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 194 0 191 1 0 1 1 0 8 0 rtentry 176 258 0 160 6 1 5 6 0 8 0 unpcb 144 1736 0 1716 13 11 2 6 0 8 1 syncache 336 11 0 11 6 5 1 1 0 8 1 tcpqe 32 6 0 6 4 3 1 1 0 8 1 tcpcb 736 734 0 727 10 9 1 7 0 8 0 arp 136 42 0 24 1 0 1 1 0 8 0 inpcb 328 2674 0 2663 31 21 10 13 0 8 8 nd6 152 56 0 32 2 1 1 2 0 8 0 pkpcb 40 7 0 7 4 4 0 1 0 8 0 kcovpl 48 16 0 8 1 0 1 1 0 8 0 mppekey 1024 2 0 2 1 1 0 1 0 8 0 ppxss 1192 122 0 122 5 4 1 1 0 8 1 pppxif 1504 20 0 20 6 5 1 1 0 8 1 pfstscr 40 24 0 24 3 2 1 1 0 8 1 pffrag 232 17 0 9 1 0 1 1 0 482 0 pffrnode 88 16 0 8 1 0 1 1 0 8 0 pffrent 40 25 0 17 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 4 2 1 1 1 0 8 0 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pftag 88 1 0 1 1 1 0 1 0 8 0 pfstitem 24 4 0 0 1 0 1 1 0 8 0 pfstkey 128 17 0 14 1 0 1 1 0 8 0 pfstate 448 14 0 12 1 0 1 1 0 8 0 pfrule 1360 15 0 13 1 0 1 1 0 8 0 rttmr 136 2 0 2 2 2 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 1105 0 677 39 12 27 31 0 8 0 art_table 40 1109 0 677 5 0 5 5 0 8 0 art_node 32 256 0 169 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 1 0 1 0 8 0 semapl 112 117 0 107 1 0 1 1 0 8 0 shmpl 112 94 0 1 4 1 3 3 0 8 0 dirhash 1024 69 0 50 3 0 3 3 0 8 0 dino2pl 256 5971 0 4451 96 0 96 96 0 8 0 ffsino 296 5971 0 4451 118 0 118 118 0 8 0 nchpl 144 8877 0 7152 65 0 65 65 0 8 0 rtmask 32 28 0 28 5 4 1 1 0 8 1 vnodes 216 5928 0 0 330 0 330 330 0 8 0 namei 1024 32068 0 32064 6 4 2 2 0 8 1 percpumem 16 211 0 160 1 0 1 1 0 8 0 vcpupl 3968 4 0 1 1 0 1 1 0 8 0 vmpool 848 8 0 5 1 0 1 1 0 8 0 kstatmem 264 232 0 204 4 1 3 3 0 8 0 scsiplug 72 9 0 9 7 6 1 1 0 8 1 scxspl 216 62195 0 62194 12 11 1 8 1 8 0 plimitpl 152 586 0 565 2 1 1 2 0 8 0 sigapl 424 2490 0 2441 7 1 6 7 0 8 0 knotepl 120 810 0 0 24 0 24 24 0 8 0 kqueuepl 224 846 0 836 12 9 3 5 0 8 2 pipepl 344 394 0 364 3 0 3 3 0 8 0 fdescpl 528 2466 0 2434 3 0 3 3 0 8 0 filepl 160 18026 0 17788 32 14 18 18 0 8 7 lockfpl 104 849 0 847 2 1 1 2 0 8 0 lockfspl 48 303 0 301 1 0 1 1 0 8 0 sessionpl 144 36 0 27 1 0 1 1 0 8 0 pgrppl 48 79 0 62 1 0 1 1 0 8 0 ucredpl 104 3391 0 3377 1 0 1 1 0 8 0 zombiepl 144 2925 0 2923 1 0 1 1 0 8 0 processpl 1232 2490 0 2441 5 1 4 5 0 8 0 procpl 664 5996 0 5934 7 0 7 7 0 8 1 sosppl 176 26 0 26 4 3 1 1 0 8 1 sockpl 752 4706 0 4672 44 32 12 18 0 8 7 mcl64k 65536 12 0 0 2 0 2 2 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 136 0 0 17 0 17 17 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 58 0 0 6 0 6 6 0 8 0 mtagpl 96 19 0 0 1 0 1 1 0 8 0 mbufpl 256 1840 0 0 114 0 114 114 0 8 0 bufpl 280 26466 0 20330 439 0 439 439 0 8 0 anonpl 32 12755 0 0 104 1 103 103 0 246 0 amapchunkpl 152 75230 0 74624 71 33 38 40 0 158 9 amappl16 200 8431 0 8354 58 38 20 24 0 8 7 amappl15 192 24 0 24 1 1 0 1 0 8 0 amappl14 184 10 0 10 2 2 0 1 0 8 0 amappl13 176 527 0 525 1 0 1 1 0 8 0 amappl12 168 2915 0 2871 3 0 3 3 0 8 0 amappl11 160 2 0 2 2 2 0 1 0 8 0 amappl10 152 66 0 51 1 0 1 1 0 8 0 amappl9 144 256 0 256 1 1 0 1 0 8 0 amappl8 136 32 0 29 1 0 1 1 0 8 0 amappl7 128 134 0 133 1 0 1 1 0 8 0 amappl6 120 403 0 389 1 0 1 1 0 8 0 amappl5 112 77 0 66 1 0 1 1 0 8 0 amappl4 104 511 0 481 1 0 1 1 0 8 0 amappl3 96 13083 0 12984 4 1 3 3 0 8 0 amappl2 88 2596 0 2518 2 0 2 2 0 8 0 amappl1 80 19650 0 19064 17 3 14 15 0 8 0 amappl 88 20095 0 19909 5 0 5 5 0 92 0 uvmvnodes 80 179 0 0 4 0 4 4 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 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 10 0 10 4 3 1 1 0 8 1 dma128 128 259 0 259 7 6 1 1 0 8 1 dma64 64 11 0 11 6 6 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 72 105 0 7 2 0 2 2 0 8 0 uaddrrnd 24 2466 0 2434 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2466 0 2434 1 0 1 1 0 8 0 vmmpekpl 168 20233 0 20160 4 0 4 4 0 8 0 vmmpepl 168 162220 0 160188 129 23 106 107 0 357 8 vmsppl 488 2465 0 2434 6 1 5 5 0 8 0 rwobjpl 80 44006 0 42730 39 5 34 34 0 8 0 pdppl 4096 4955 0 4881 132 56 76 83 0 8 2 pvpl 32 23104 0 0 186 0 186 186 0 265 0 pmappl 256 2473 0 2439 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 450 0 92 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83818ff0) 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 __mp_lock(ffffffff839f0540) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839f0540) at __mp_lock+0x199 sys/kern/kern_lock.c:173 softintr_dispatch(2) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(2) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsofttty() at Xsofttty+0x27 __mp_lock(ffffffff839f0540) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839f0540) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80002a2345f0,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc _rb_insert(ffffffff83553f18,fffffd807f7e2f78,fffffd8061e777f0) at _rb_insert+0x7b sys/kern/subr_tree.c:414 uaddr_bestfit_insert(ffffffff839033f8,fffffd807f7e2f60,fffffd8061e777f0) at uaddr_bestfit_insert+0x46 sys/uvm/uvm_addr.c:-1 uvm_mapent_free_insert(ffffffff839033f8,fffffd807f7e2f60,fffffd8061e777f0) at uvm_mapent_free_insert+0x11b sys/uvm/uvm_map.c:373 end trace frame: 0xffff80002a234880, count: 0 ddb{0}> trace x86_ipi_db(ffffffff83818ff0) 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 __mp_lock(ffffffff839f0540) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839f0540) at __mp_lock+0x199 sys/kern/kern_lock.c:173 softintr_dispatch(2) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(2) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsofttty() at Xsofttty+0x27 __mp_lock(ffffffff839f0540) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839f0540) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80002a2345f0,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc _rb_insert(ffffffff83553f18,fffffd807f7e2f78,fffffd8061e777f0) at _rb_insert+0x7b sys/kern/subr_tree.c:414 uaddr_bestfit_insert(ffffffff839033f8,fffffd807f7e2f60,fffffd8061e777f0) at uaddr_bestfit_insert+0x46 sys/uvm/uvm_addr.c:-1 uvm_mapent_free_insert(ffffffff839033f8,fffffd807f7e2f60,fffffd8061e777f0) at uvm_mapent_free_insert+0x11b sys/uvm/uvm_map.c:373 uvm_map_splitentry(ffffffff839033f8,fffffd8061e777f0,fffffd8061e77358,ffff80003c415000) at uvm_map_splitentry+0x30a sys/uvm/uvm_map.c:2628 uvm_unmap_remove(ffffffff839033f8,ffff80003c40f000,ffff80003c415000,ffff80002a234938,0,1,7f6f6ed7c8f31d6c) at uvm_unmap_remove+0x5c5 uvm_map_clip_end sys/uvm/uvm_map.c:-1 [inline] uvm_unmap_remove(ffffffff839033f8,ffff80003c40f000,ffff80003c415000,ffff80002a234938,0,1,7f6f6ed7c8f31d6c) at uvm_unmap_remove+0x5c5 sys/uvm/uvm_map.c:1982 uvm_unmap(ffffffff839033f8,ffff80003c40f000,ffff80003c415000) at uvm_unmap+0xa7 vm_map_unlock_ln sys/uvm/uvm_map.c:-1 [inline] uvm_unmap(ffffffff839033f8,ffff80003c40f000,ffff80003c415000) at uvm_unmap+0xa7 sys/uvm/uvm_map.c:1793 km_free(ffff80003c40f000,6000,ffffffff835fe340,ffffffff835b6458) at km_free+0x87 sys/uvm/uvm_km.c:714 uvm_uarea_free(ffff8000ffffcd00) at uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 reaper(ffff8000ffffd760) at reaper+0x1ca sys/kern/kern_exit.c:493 end trace frame: 0x0, count: -20 ddb{0}> machine ddbcpu 1 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7cc47e92bb00, count: 14 ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7cc47e92bb00, count: -1