uvm_fault(0xffffffff82522438, 0xffff800000bd7000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xffffffff82522438, 0xffff800000bd7000, 0, 1) -> e uvm_unmap_remove(ffff800000bd6f00,0,80000000,ffff80001795e688,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000bd6f00,0,80000000,ffff80001795e688,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff80001795e6c0, count: 0 ddb> trace uvm_unmap_remove(ffff800000bd6f00,0,80000000,ffff80001795e688,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000bd6f00,0,80000000,ffff80001795e688,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000bd6f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff800017941cb0,ffff8000ffff3b40) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000b58000,ffff8000ffff3b40) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1375 [inline] vm_create(ffff800000b58000,ffff8000ffff3b40) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd8037c6d000,c5005601,ffff800000b58000,1,fffffd803f7c6c00,ffff8000ffff3b40) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8036234350,c5005601,ffff800000b58000,ffff8000ffff3b40) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff3b40,ffff80001795ea68,ffff80001795eab0) at sys_ioctl+0x5b9 syscall(ffff80001795eb30) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(0,0,ffffffffffffff59,0,3,2013f42f010) at Xsyscall+0x128 end of kernel end trace frame: 0x20405ca2380, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001795e670 rbx 0 rdx 0x1715 __ALIGN_SIZE+0x715 rcx 0xffff800014d0b000 rax 0xffff800000bd6f00 r8 0x1 r9 0 r10 0xa6f8546b0690d87a r11 0x12cc215fae36906a r12 0 r13 0xfffffd802ebd1108 r14 0 r15 0xffff800000bd6f00 rip 0xffffffff8172244b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001795e5c0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=198962 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3650,0xffffffff82585f08 process=0xffff8000148a3458 user=0xffff800017959000, vmspace=0xfffffd803f014770 estcpu=31, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 45162 8051 58284 0 2 0 syz-executor.1 *45162 198962 58284 0 7 0x4000000 syz-executor.1 58284 297996 11643 0 2 0x482 syz-executor.1 31466 366853 11643 0 2 0x2 syz-executor.0 6793 112833 1 0 3 0x100083 ttyin getty 93984 517407 0 0 3 0x14200 bored sosplice 11643 144669 28016 0 3 0x82 thrsleep syz-fuzzer 11643 235123 28016 0 3 0x4000082 thrsleep syz-fuzzer 11643 438512 28016 0 3 0x4000082 kqread syz-fuzzer 11643 12781 28016 0 3 0x4000082 thrsleep syz-fuzzer 11643 404523 28016 0 3 0x4000082 thrsleep syz-fuzzer 11643 464238 28016 0 3 0x4000082 thrsleep syz-fuzzer 11643 178999 28016 0 3 0x4000082 thrsleep syz-fuzzer 11643 224548 28016 0 3 0x4000082 thrsleep syz-fuzzer 28016 424303 82005 0 3 0x10008a pause ksh 82005 287346 64908 0 3 0x92 select sshd 64908 164277 1 0 3 0x80 select sshd 30460 499543 13464 73 2 0x100010 syslogd 13464 80141 1 0 3 0x100082 netio syslogd 84635 243221 1 77 3 0x100090 poll dhclient 97740 223571 1 0 3 0x80 poll dhclient 52031 518308 0 0 2 0x14200 zerothread 52448 439881 0 0 3 0x14200 aiodoned aiodoned 60934 379625 0 0 3 0x14200 syncer update 68740 57834 0 0 3 0x14200 cleaner cleaner 46408 79423 0 0 3 0x14200 reaper reaper 813 193420 0 0 3 0x14200 pgdaemon pagedaemon 55604 487227 0 0 3 0x14200 bored crynlk 13026 514538 0 0 3 0x14200 bored crypto 83637 245578 0 0 3 0x40014200 acpi0 acpi0 74556 71985 0 0 3 0x14200 bored softnet 16841 284849 0 0 3 0x14200 bored systqmp 10372 499449 0 0 3 0x14200 bored systq 83608 78936 0 0 3 0x40014200 bored softclock 77471 377593 0 0 3 0x40014200 idle0 44285 120818 0 0 3 0x14200 bored smr 1 347219 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9610 6431K 7160K 78643K 47234 0 0 pcb 13 8K 8K 78643K 1841 0 0 rtable 120 12K 13K 78643K 4823 0 0 ifaddr 92 25K 27K 78643K 1547 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 472 0 0 iov 0 0K 32K 78643K 1815 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1214 76K 77K 78643K 16274 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 244 0 0 VM map 3 0K 0K 78643K 28 0 0 sem 12 0K 1K 78643K 1659 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 15407 0 0 sigio 0 0K 0K 78643K 132 0 0 proc 50 38K 63K 78643K 4127 0 0 subproc 32 2K 2K 78643K 1102 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 1405 0 0 in_multi 34 2K 2K 78643K 1022 0 0 ether_multi 1 0K 0K 78643K 57 0 0 mrt 3 0K 0K 78643K 49 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 186 821K 821K 78643K 186 0 0 exec 0 0K 1K 78643K 2260 0 0 pfkey data 0 0K 0K 78643K 2 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 127 23K 33K 78643K 37504 0 0 UVM aobj 130 8K 8K 78643K 157 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 1K 78643K 1632 0 0 NDP 21 0K 1K 78643K 496 0 0 temp 232 3533K 4172K 78643K 310827 0 0 kqueue 0 0K 0K 78643K 119 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 103 0 96 1 0 1 1 0 8 0 rtpcb 80 873 0 871 1 0 1 1 0 8 0 rtentry 112 665 0 621 2 0 2 2 0 8 0 unpcb 120 5964 0 5935 18 16 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 2 0 2 1 1 0 1 0 8 0 tcpqe 32 4450 0 4450 2 2 0 2 0 8 0 tcpcb 544 3126 0 3122 1 0 1 1 0 8 0 ipq 40 22 0 22 12 12 0 1 0 8 0 ipqe 40 50 0 50 12 12 0 1 0 8 0 inpcb 280 9251 0 9240 39 37 2 2 0 8 1 rttmr 72 5 0 5 5 5 0 1 0 8 0 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 48 120 0 117 1 0 1 1 0 8 0 pkpcb 40 66 0 66 24 24 0 1 0 8 0 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 211 0 211 46 45 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2862 0 2629 30 14 16 17 0 8 0 art_table 32 2863 0 2629 3 0 3 3 0 8 0 art_node 16 641 0 601 1 0 1 1 0 8 0 sysvmsgpl 40 58 0 48 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 1651 0 1641 1 0 1 1 0 8 0 shmpl 112 155 0 27 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 25871 0 24453 46 0 46 46 0 8 0 ffsino 240 25871 0 24453 85 1 84 84 0 8 0 nchpl 144 56736 0 55113 62 0 62 62 0 8 0 uvmvnodes 72 9379 0 0 171 0 171 171 0 8 0 vnodes 208 9379 0 0 494 0 494 494 0 8 0 namei 1024 193453 0 193453 10 9 1 1 0 8 1 vmpool 520 26 0 25 9 8 1 1 0 8 0 scsiplug 64 26 0 26 18 18 0 1 0 8 0 scxspl 192 153441 0 153441 43 42 1 7 0 8 1 plimitpl 152 1304 0 1297 1 0 1 1 0 8 0 sigapl 432 15393 0 15380 2 0 2 2 0 8 0 futexpl 56 338655 0 338655 9 8 1 1 0 8 1 knotepl 112 4104 0 4085 8 7 1 3 0 8 0 kqueuepl 104 4106 0 4104 1 0 1 1 0 8 0 pipepl 112 7464 0 7445 23 22 1 2 0 8 0 fdescpl 424 15394 0 15380 2 0 2 2 0 8 0 filepl 120 129656 0 129559 25 21 4 7 0 8 1 lockfpl 104 6010 0 6009 1 0 1 1 0 8 0 lockfspl 48 2224 0 2223 1 0 1 1 0 8 0 sessionpl 112 80 0 70 1 0 1 1 0 8 0 pgrppl 48 1312 0 1302 1 0 1 1 0 8 0 ucredpl 96 19868 0 19858 1 0 1 1 0 8 0 zombiepl 144 15383 0 15383 3 2 1 1 0 8 1 processpl 864 15412 0 15383 4 0 4 4 0 8 0 procpl 632 33591 0 33554 5 1 4 5 0 8 0 sosppl 128 208 0 208 47 47 0 1 0 8 0 sockpl 384 16289 0 16251 34 29 5 8 0 8 0 mcl64k 65536 1886 0 1886 191 190 1 33 0 8 1 mcl16k 16384 90 0 90 53 52 1 1 0 8 1 mcl12k 12288 331 0 331 35 34 1 1 0 8 1 mcl9k 9216 147 0 147 53 52 1 1 0 8 1 mcl8k 8192 376 0 376 37 36 1 1 0 8 1 mcl4k 4096 1675 0 1675 14 13 1 1 0 8 1 mcl2k2 2112 164 0 164 47 47 0 1 0 8 0 mcl2k 2048 84013 0 83975 37 31 6 21 0 8 0 mtagpl 80 334 0 315 9 8 1 1 0 8 0 mbufpl 256 237764 0 237635 170 159 11 32 0 8 0 bufpl 256 42426 0 33051 587 0 587 587 0 8 0 anonpl 16 1377323 0 1363390 340 275 65 77 0 62 0 amapchunkpl 152 69005 0 68898 157 151 6 29 0 158 0 amappl16 192 76674 0 75833 418 374 44 56 0 8 0 amappl15 184 1735 0 1735 7 7 0 1 0 8 0 amappl14 176 2268 0 2264 2 1 1 1 0 8 0 amappl13 168 3661 0 3661 6 6 0 1 0 8 0 amappl12 160 1839 0 1834 1 0 1 1 0 8 0 amappl11 152 3505 0 3494 1 0 1 1 0 8 0 amappl10 144 1495 0 1494 11 10 1 1 0 8 0 amappl9 136 2108 0 2102 1 0 1 1 0 8 0 amappl8 128 1625 0 1578 4 2 2 2 0 8 0 amappl7 120 1753 0 1746 1 0 1 1 0 8 0 amappl6 112 3384 0 3371 1 0 1 1 0 8 0 amappl5 104 2528 0 2515 1 0 1 1 0 8 0 amappl4 96 16281 0 16247 1 0 1 1 0 8 0 amappl3 88 2483 0 2478 1 0 1 1 0 8 0 amappl2 80 121843 0 121773 4 2 2 3 0 8 0 amappl1 72 282571 0 282167 26 16 10 20 0 8 0 amappl 80 34806 0 34770 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 156 0 27 3 0 3 3 0 8 0 uaddrrnd 24 15420 0 15380 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 15420 0 15380 1 0 1 1 0 8 0 vmmpekpl 168 85016 0 84992 2 0 2 2 0 8 0 vmmpepl 168 1803066 0 1801150 751 639 112 120 0 357 17 vmsppl 272 15393 0 15380 8 7 1 2 0 8 0 pdppl 4096 30846 0 30810 8 3 5 6 0 8 0 pvpl 32 4059587 0 4042492 1009 859 150 288 0 265 0 pmappl 200 15419 0 15405 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 1237 0 517 24 2 22 22 0 8 0