uvm_fault(0xffffffff8254f790, 0xffff800000b31000, 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(0xffffffff8254f790, 0xffff800000b31000, 0, 1) -> e uvm_unmap_remove(ffff800000b30f00,200000,80200000,ffff800017976868,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000b30f00,200000,80200000,ffff800017976868,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff8000179768a0, count: 0 ddb> trace uvm_unmap_remove(ffff800000b30f00,200000,80200000,ffff800017976868,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000b30f00,200000,80200000,ffff800017976868,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000b30f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff800015b1fa68,ffff8000ffff2508) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a62800,ffff8000ffff2508) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1375 [inline] vm_create(ffff800000a62800,ffff8000ffff2508) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd803e67f8f0,c5005601,ffff800000a62800,1,fffffd803f7c69c0,ffff8000ffff2508) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd803e645bd0,c5005601,ffff800000a62800,ffff8000ffff2508) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff2508,ffff800017976c48,ffff800017976c90) at sys_ioctl+0x5b9 syscall(ffff800017976d10) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,343132c2010) at Xsyscall+0x128 end of kernel end trace frame: 0x34607bcb6d0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800017976850 rbx 0 rdx 0x191d __ALIGN_SIZE+0x91d rcx 0xffff800014913000 rax 0xffff800000b30f00 r8 0x1 r9 0 r10 0x4b782ade1b76677f r11 0x448b1d849a2fc751 r12 0x200000 acpi_pdirpa+0x1ebe68 r13 0xfffffd80301b1a38 r14 0x200000 acpi_pdirpa+0x1ebe68 r15 0xffff800000b30f00 rip 0xffffffff815451bb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000179767a0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=435161 stat=onproc flags process=0 proc=4000000 pri=83, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3160,0xffffffff8258e3e0 process=0xffff8000ffff7450 user=0xffff800017971000, vmspace=0xfffffd803f013330 estcpu=33, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 45651 334759 44096 0 2 0 syz-executor.0 *45651 435161 44096 0 7 0x4000000 syz-executor.0 93097 291632 50101 0 2 0 syz-executor.1 93097 96274 50101 0 3 0x4000080 fsleep syz-executor.1 44096 449555 17984 0 2 0x482 syz-executor.0 50101 508680 17984 0 3 0x82 nanosleep syz-executor.1 97995 233394 1 0 3 0x100083 ttyin getty 84402 99267 0 0 3 0x14200 bored sosplice 17984 206861 42001 0 3 0x82 thrsleep syz-fuzzer 17984 78356 42001 0 3 0x4000082 thrsleep syz-fuzzer 17984 236963 42001 0 3 0x4000082 thrsleep syz-fuzzer 17984 242290 42001 0 3 0x4000082 thrsleep syz-fuzzer 17984 417733 42001 0 3 0x4000082 kqread syz-fuzzer 17984 502326 42001 0 3 0x4000082 thrsleep syz-fuzzer 17984 332052 42001 0 3 0x4000082 thrsleep syz-fuzzer 42001 81228 63600 0 3 0x10008a pause ksh 63600 44803 43478 0 3 0x92 select sshd 43478 202198 1 0 3 0x80 select sshd 96365 314584 81388 73 2 0x100090 syslogd 81388 173786 1 0 3 0x100082 netio syslogd 60005 333832 1 77 3 0x100090 poll dhclient 80654 18259 1 0 3 0x80 poll dhclient 24099 882 0 0 2 0x14200 zerothread 72572 61807 0 0 3 0x14200 aiodoned aiodoned 7896 462005 0 0 3 0x14200 syncer update 22561 463433 0 0 3 0x14200 cleaner cleaner 55180 425512 0 0 3 0x14200 reaper reaper 183 88782 0 0 3 0x14200 pgdaemon pagedaemon 12977 398464 0 0 3 0x14200 bored crynlk 7026 427095 0 0 3 0x14200 bored crypto 89861 329805 0 0 3 0x40014200 acpi0 acpi0 39616 163436 0 0 3 0x14200 bored softnet 52613 308454 0 0 3 0x14200 bored systqmp 65422 213477 0 0 3 0x14200 bored systq 15100 374798 0 0 3 0x40014200 bored softclock 36503 517610 0 0 3 0x40014200 idle0 74196 477392 0 0 3 0x14200 bored smr 1 251753 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 9466 6329K 7027K 78643K 13208 0 0 pcb 13 8K 9K 78643K 208 0 0 rtable 110 3K 4K 78643K 348 0 0 ifaddr 42 11K 11K 78643K 92 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 40 0 0 iov 0 0K 16K 78643K 39 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1214 76K 77K 78643K 1932 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 13 0 0 VM map 3 0K 0K 78643K 3 0 0 sem 12 1K 1K 78643K 16 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 716 0 0 sigio 1 0K 0K 78643K 6 0 0 proc 52 46K 63K 78643K 494 0 0 subproc 32 2K 2K 78643K 68 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 32 0 0 in_multi 33 2K 2K 78643K 70 0 0 ether_multi 1 0K 0K 78643K 2 0 0 mrt 0 0K 0K 78643K 2 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 60 265K 265K 78643K 60 0 0 exec 0 0K 1K 78643K 246 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 98 21K 30K 78643K 2438 0 0 UVM aobj 15 2K 2K 78643K 17 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 32 0 0 NDP 7 0K 0K 78643K 27 0 0 temp 119 3526K 3592K 78643K 6848 0 0 kqueue 0 0K 0K 78643K 2 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 11 0 4 1 0 1 1 0 8 0 rtpcb 80 43 0 41 1 0 1 1 0 8 0 rtentry 112 66 0 21 2 0 2 2 0 8 0 unpcb 120 249 0 239 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 6393 0 6393 1 1 0 1 0 8 0 tcpcb 544 78 0 74 1 0 1 1 0 8 0 inpcb 280 1912 0 1903 7 4 3 4 0 8 2 nd6 48 8 0 4 1 0 1 1 0 8 0 ppxss 1128 4 0 4 2 1 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 303 0 86 14 0 14 14 0 8 0 art_table 32 304 0 86 2 0 2 2 0 8 0 art_node 16 65 0 24 1 0 1 1 0 8 0 sysvmsgpl 40 22 0 11 1 0 1 1 0 8 0 semapl 112 14 0 4 1 0 1 1 0 8 0 shmpl 112 15 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2293 0 898 46 0 46 46 0 8 0 ffsino 240 2293 0 898 83 0 83 83 0 8 0 nchpl 144 3349 0 1745 60 0 60 60 0 8 0 uvmvnodes 72 2958 0 0 54 0 54 54 0 8 0 vnodes 208 2958 0 0 156 0 156 156 0 8 0 namei 1024 9629 0 9629 5 4 1 1 0 8 1 vmpool 520 1 0 0 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 9395 0 9395 13 10 3 7 0 8 3 plimitpl 152 47 0 40 1 0 1 1 0 8 0 sigapl 432 882 0 868 2 0 2 2 0 8 0 futexpl 56 18339 0 18338 2 1 1 1 0 8 0 knotepl 112 167 0 148 1 0 1 1 0 8 0 kqueuepl 104 113 0 111 1 0 1 1 0 8 0 pipepl 112 314 0 295 3 2 1 2 0 8 0 fdescpl 424 883 0 868 2 0 2 2 0 8 0 filepl 120 5962 0 5865 7 2 5 5 0 8 2 lockfpl 104 121 0 120 1 0 1 1 0 8 0 lockfspl 48 46 0 45 1 0 1 1 0 8 0 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 20 0 10 1 0 1 1 0 8 0 ucredpl 96 529 0 522 1 0 1 1 0 8 0 zombiepl 144 868 0 868 4 3 1 1 0 8 1 processpl 864 898 0 868 4 0 4 4 0 8 0 procpl 632 1675 0 1637 4 0 4 4 0 8 0 sosppl 128 5 0 5 2 2 0 1 0 8 0 sockpl 384 2216 0 2197 13 7 6 7 0 8 3 mcl64k 65536 41 0 41 3 2 1 1 0 8 1 mcl16k 16384 7 0 7 4 3 1 1 0 8 1 mcl12k 12288 12 0 12 2 1 1 1 0 8 1 mcl9k 9216 3 0 3 3 2 1 1 0 8 1 mcl8k 8192 34 0 34 3 2 1 1 0 8 1 mcl4k 4096 32 0 32 5 4 1 1 0 8 1 mcl2k2 2112 1 0 1 1 1 0 1 0 8 0 mcl2k 2048 56689 0 56647 29 22 7 21 0 8 1 mtagpl 80 12 0 10 3 2 1 1 0 8 0 mbufpl 256 96569 0 96481 16 7 9 12 0 8 0 bufpl 256 7221 0 2364 304 0 304 304 0 8 0 anonpl 16 82486 0 68868 62 4 58 59 0 62 0 amapchunkpl 152 3684 0 3573 13 3 10 10 0 158 4 amappl16 192 3745 0 2959 42 1 41 41 0 8 1 amappl15 184 3 0 3 1 0 1 1 0 8 1 amappl14 176 86 0 81 2 1 1 1 0 8 0 amappl12 160 231 0 228 1 0 1 1 0 8 0 amappl11 152 435 0 422 1 0 1 1 0 8 0 amappl10 144 7 0 6 1 0 1 1 0 8 0 amappl9 136 599 0 593 1 0 1 1 0 8 0 amappl8 128 173 0 151 1 0 1 1 0 8 0 amappl7 120 45 0 40 1 0 1 1 0 8 0 amappl6 112 451 0 439 1 0 1 1 0 8 0 amappl5 104 410 0 400 1 0 1 1 0 8 0 amappl4 96 877 0 852 1 0 1 1 0 8 0 amappl3 88 388 0 382 1 0 1 1 0 8 0 amappl2 80 6127 0 6051 4 2 2 3 0 8 0 amappl1 72 25991 0 25566 26 16 10 20 0 8 0 amappl 80 1918 0 1879 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 16 0 2 1 0 1 1 0 8 0 uaddrrnd 24 884 0 868 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 884 0 868 1 0 1 1 0 8 0 vmmpekpl 168 9245 0 9220 2 0 2 2 0 8 0 vmmpepl 168 109988 0 108052 161 53 108 108 0 357 23 vmsppl 272 882 0 868 2 1 1 2 0 8 0 pdppl 4096 1774 0 1736 6 1 5 6 0 8 0 pvpl 32 255495 0 238740 169 24 145 146 0 265 6 pmappl 200 883 0 868 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 481 0 48 13 0 13 13 0 8 0