uvm_fault(0xffffffff82542bb0, 0xffff800000af9000, 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(0xffffffff82542bb0, 0xffff800000af9000, 0, 1) -> e uvm_unmap_remove(ffff800000af8f00,0,80000000,ffff800015943af8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000af8f00,0,80000000,ffff800015943af8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff800015943b30, count: 0 ddb> trace uvm_unmap_remove(ffff800000af8f00,0,80000000,ffff800015943af8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000af8f00,0,80000000,ffff800015943af8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000af8f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff800015333860,ffff800016b46290) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000b0c800,ffff800016b46290) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000b0c800,ffff800016b46290) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd803eb3c750,c5005601,ffff800000b0c800,1,fffffd803f7c6b40,ffff800016b46290) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd80390ac348,c5005601,ffff800000b0c800,ffff800016b46290) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff800016b46290,ffff800015943ed8,ffff800015943f20) at sys_ioctl+0x5b9 syscall(ffff800015943fa0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,c9f0f9f7010) at Xsyscall+0x128 end of kernel end trace frame: 0xca140278ae0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800015943ae0 rbx 0 rdx 0x1724 __ALIGN_SIZE+0x724 rcx 0xffff80001533f000 rax 0xffff800000af8f00 r8 0x1 r9 0 r10 0x1022804c7a67cc6e r11 0x8f278a535471c136 r12 0 r13 0xfffffd802ea2dcf0 r14 0 r15 0xffff800000af8f00 rip 0xffffffff813897cb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800015943a30 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=395103 stat=onproc flags process=0 proc=4000000 pri=72, usrpri=72, nice=20 forw=0xffffffffffffffff, list=0xffff800016b473d8,0xffffffff825545b0 process=0xffff8000ffff6d90 user=0xffff80001593f000, vmspace=0xfffffd803f013110 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 46840 152359 80424 0 2 0 syz-executor.1 *46840 395103 80424 0 7 0x4000000 syz-executor.1 80424 463151 10075 0 3 0x82 nanosleep syz-executor.1 63716 54772 0 0 3 0x14200 bored sosplice 62259 144769 10075 0 2 0x2 syz-executor.0 10075 40071 63074 0 3 0x82 thrsleep syz-fuzzer 10075 236230 63074 0 3 0x4000082 nanosleep syz-fuzzer 10075 58853 63074 0 3 0x4000082 kqread syz-fuzzer 10075 148130 63074 0 3 0x4000082 thrsleep syz-fuzzer 10075 48359 63074 0 3 0x4000082 thrsleep syz-fuzzer 10075 415756 63074 0 3 0x4000082 thrsleep syz-fuzzer 10075 518445 63074 0 3 0x4000082 thrsleep syz-fuzzer 63074 272281 58927 0 3 0x10008a pause ksh 58927 264960 89362 0 3 0x92 select sshd 33256 63523 1 0 3 0x100083 ttyin getty 89362 459554 1 0 3 0x80 select sshd 72588 397392 44503 73 2 0x100010 syslogd 44503 303205 1 0 3 0x100082 netio syslogd 95549 255835 1 77 3 0x100090 poll dhclient 49065 41117 1 0 3 0x80 poll dhclient 22197 360533 0 0 2 0x14200 zerothread 58960 57322 0 0 3 0x14200 aiodoned aiodoned 48553 431465 0 0 3 0x14200 syncer update 5399 28507 0 0 3 0x14200 cleaner cleaner 74756 192528 0 0 3 0x14200 reaper reaper 37443 522391 0 0 3 0x14200 pgdaemon pagedaemon 23393 283869 0 0 3 0x14200 bored crynlk 13722 518548 0 0 3 0x14200 bored crypto 39279 376830 0 0 3 0x40014200 acpi0 acpi0 77649 389691 0 0 3 0x14200 bored softnet 16902 278267 0 0 3 0x14200 bored systqmp 75137 477175 0 0 3 0x14200 bored systq 47273 96431 0 0 3 0x40014200 bored softclock 83707 39904 0 0 3 0x40014200 idle0 2740 483540 0 0 3 0x14200 bored smr 1 153744 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 9511 6477K 7855K 78643K 13188 0 0 pcb 13 8K 8K 78643K 69 0 0 rtable 111 4K 4K 78643K 340 0 0 ifaddr 57 12K 12K 78643K 94 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 43 0 0 iov 0 0K 12K 78643K 56 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1223 77K 77K 78643K 1897 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 11 0 0 VM map 3 0K 0K 78643K 7 0 0 sem 12 1K 1K 78643K 57 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 437 0 0 sigio 0 0K 0K 78643K 10 0 0 proc 48 38K 55K 78643K 428 0 0 subproc 32 2K 2K 78643K 51 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 42 0 0 in_multi 33 2K 2K 78643K 51 0 0 ether_multi 1 0K 0K 78643K 2 0 0 mrt 0 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 54 238K 238K 78643K 54 0 0 exec 0 0K 1K 78643K 223 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 102 21K 22K 78643K 1829 0 0 UVM aobj 23 2K 2K 78643K 27 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 58 0 0 NDP 12 0K 0K 78643K 27 0 0 temp 143 3524K 3590K 78643K 13086 0 0 kqueue 0 0K 0K 78643K 14 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 10 0 4 1 0 1 1 0 8 0 rtpcb 80 49 0 47 1 0 1 1 0 8 0 rtentry 112 63 0 19 2 0 2 2 0 8 0 unpcb 120 154 0 146 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 5972 0 5972 1 1 0 1 0 8 0 tcpcb 544 104 0 100 1 0 1 1 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 6 0 6 1 1 0 1 0 8 0 inpcb 280 275 0 268 1 0 1 1 0 8 0 nd6 48 6 0 2 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 0 1 1 0 8 1 ppxss 1128 5 0 5 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 266 0 51 16 2 14 14 0 8 0 art_table 32 267 0 51 2 0 2 2 0 8 0 art_node 16 60 0 20 1 0 1 1 0 8 0 semapl 112 55 0 45 1 0 1 1 0 8 0 shmpl 112 25 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2021 0 628 46 0 46 46 0 8 0 ffsino 240 2021 0 628 83 0 83 83 0 8 0 nchpl 144 2825 0 1227 60 0 60 60 0 8 0 uvmvnodes 72 2641 0 0 49 0 49 49 0 8 0 vnodes 208 2641 0 0 139 0 139 139 0 8 0 namei 1024 8288 0 8288 3 2 1 1 0 8 1 vmpool 520 5 0 4 1 0 1 1 0 8 0 scsiplug 64 2 0 2 1 1 0 1 0 8 0 scxspl 192 8333 0 8333 10 9 1 7 0 8 1 plimitpl 152 37 0 30 1 0 1 1 0 8 0 sigapl 432 605 0 592 2 0 2 2 0 8 0 futexpl 56 9039 0 9039 1 0 1 1 0 8 1 knotepl 112 197 0 178 2 1 1 2 0 8 0 kqueuepl 104 193 0 191 1 0 1 1 0 8 0 pipepl 112 286 0 267 2 1 1 1 0 8 0 fdescpl 424 606 0 592 2 0 2 2 0 8 0 filepl 120 4093 0 3996 5 1 4 5 0 8 1 lockfpl 104 158 0 157 1 0 1 1 0 8 0 lockfspl 48 56 0 55 1 0 1 1 0 8 0 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 18 0 8 1 0 1 1 0 8 0 ucredpl 96 467 0 460 1 0 1 1 0 8 0 zombiepl 144 592 0 592 3 2 1 1 0 8 1 processpl 864 621 0 592 4 0 4 4 0 8 0 procpl 632 1098 0 1062 4 0 4 4 0 8 0 sosppl 128 2 0 2 1 1 0 1 0 8 0 sockpl 384 489 0 472 3 0 3 3 0 8 1 mcl64k 65536 18 0 18 1 0 1 1 0 8 1 mcl16k 16384 4 0 4 3 2 1 1 0 8 1 mcl12k 12288 6 0 6 1 0 1 1 0 8 1 mcl9k 9216 7 0 7 1 0 1 1 0 8 1 mcl8k 8192 9 0 9 2 1 1 1 0 8 1 mcl4k 4096 36 0 36 2 1 1 1 0 8 1 mcl2k 2048 56581 0 56537 18 11 7 15 0 8 1 mtagpl 80 8 0 6 2 1 1 1 0 8 0 mbufpl 256 94251 0 94171 15 7 8 10 0 8 1 bufpl 256 7257 0 2320 309 0 309 309 0 8 0 anonpl 16 62304 0 48671 61 2 59 59 0 62 0 amapchunkpl 152 2714 0 2575 14 7 7 11 0 158 1 amappl16 192 2635 0 1882 41 1 40 40 0 8 2 amappl15 184 9 0 7 1 0 1 1 0 8 0 amappl14 176 35 0 32 2 1 1 1 0 8 0 amappl13 168 180 0 179 2 1 1 1 0 8 0 amappl12 160 8 0 5 1 0 1 1 0 8 0 amappl11 152 44 0 33 1 0 1 1 0 8 0 amappl10 144 195 0 192 2 1 1 1 0 8 0 amappl9 136 611 0 602 1 0 1 1 0 8 0 amappl8 128 184 0 162 1 0 1 1 0 8 0 amappl7 120 226 0 221 1 0 1 1 0 8 0 amappl6 112 68 0 59 1 0 1 1 0 8 0 amappl5 104 160 0 150 1 0 1 1 0 8 0 amappl4 96 822 0 797 1 0 1 1 0 8 0 amappl3 88 119 0 114 1 0 1 1 0 8 0 amappl2 80 4134 0 4069 4 2 2 3 0 8 0 amappl1 72 20091 0 19685 32 23 9 20 0 8 0 amappl 80 1337 0 1294 2 0 2 2 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 26 0 4 1 0 1 1 0 8 0 uaddrrnd 24 611 0 592 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 611 0 592 1 0 1 1 0 8 0 vmmpekpl 168 7353 0 7326 2 0 2 2 0 8 0 vmmpepl 168 76887 0 75081 146 40 106 106 0 357 27 vmsppl 272 605 0 592 2 1 1 2 0 8 0 pdppl 4096 1228 0 1192 6 1 5 6 0 8 0 pvpl 32 204140 0 187506 162 15 147 147 0 265 8 pmappl 200 610 0 596 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 467 0 30 13 0 13 13 0 8 0