uvm_fault(0xffffffff824f7790, 0xffff800000bc7000, 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(0xffffffff824f7790, 0xffff800000bc7000, 0, 1) -> e uvm_unmap_remove(ffff800000bc6f00,0,80000000,ffff80001794e128,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000bc6f00,0,80000000,ffff80001794e128,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 end trace frame: 0xffff80001794e160, count: 0 ddb> trace uvm_unmap_remove(ffff800000bc6f00,0,80000000,ffff80001794e128,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000bc6f00,0,80000000,ffff80001794e128,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000bc6f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff800018579a68,ffff8000ffff33d8) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a83000,ffff8000ffff33d8) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000a83000,ffff8000ffff33d8) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd803657c1a0,c5005601,ffff800000a83000,1,fffffd803f7c69c0,ffff8000ffff33d8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd803869f1f0,c5005601,ffff800000a83000,ffff8000ffff33d8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff33d8,ffff80001794e508,ffff80001794e550) at sys_ioctl+0x5b9 syscall(ffff80001794e5d0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,badc9db2010) at Xsyscall+0x128 end of kernel end trace frame: 0xbb055981e90, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001794e110 rbx 0 rdx 0x15e6 __ALIGN_SIZE+0x5e6 rcx 0xffff800014f0b000 rax 0xffff800000bc6f00 r8 0x1 r9 0 r10 0x109670b556ec79e8 r11 0x57c3964f8299050e r12 0 r13 0xfffffd802e8e35e8 r14 0 r15 0xffff800000bc6f00 rip 0xffffffff81f780db uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001794e060 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=368707 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2780,0xffffffff82562a20 process=0xffff8000148a30f8 user=0xffff800017949000, vmspace=0xfffffd803f014000 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 39408 303265 83451 0 2 0 syz-executor.1 *39408 368707 83451 0 7 0x4000000 syz-executor.1 4832 349389 68645 0 2 0 syz-executor.0 4832 152388 68645 0 2 0x4000000 syz-executor.0 68645 357475 56922 0 2 0x482 syz-executor.0 83451 327363 56922 0 3 0x82 nanosleep syz-executor.1 73659 375291 1 0 3 0x100083 ttyopn getty 84411 417620 0 0 3 0x14200 acct acct 1026 491785 0 0 3 0x14200 bored sosplice 56922 145659 22338 0 3 0x82 thrsleep syz-fuzzer 56922 489166 22338 0 3 0x4000082 thrsleep syz-fuzzer 56922 53536 22338 0 3 0x4000082 thrsleep syz-fuzzer 56922 65048 22338 0 3 0x4000082 thrsleep syz-fuzzer 56922 326320 22338 0 3 0x4000082 thrsleep syz-fuzzer 56922 480138 22338 0 3 0x4000082 kqread syz-fuzzer 56922 440411 22338 0 3 0x4000082 thrsleep syz-fuzzer 22338 339283 70631 0 3 0x10008a pause ksh 70631 49371 90547 0 3 0x92 select sshd 90547 40640 1 0 3 0x80 select sshd 36836 183148 94851 73 2 0x100090 syslogd 94851 311258 1 0 3 0x100082 netio syslogd 60060 215510 1 77 3 0x100090 poll dhclient 76756 203071 1 0 3 0x80 poll dhclient 97505 509934 0 0 2 0x14200 zerothread 74190 9400 0 0 3 0x14200 aiodoned aiodoned 52689 243682 0 0 3 0x14200 syncer update 52532 23266 0 0 3 0x14200 cleaner cleaner 78481 201282 0 0 3 0x14200 reaper reaper 16284 406267 0 0 3 0x14200 pgdaemon pagedaemon 56683 259391 0 0 3 0x14200 bored crynlk 75981 215497 0 0 3 0x14200 bored crypto 8692 38121 0 0 3 0x40014200 acpi0 acpi0 35326 301561 0 0 3 0x14200 bored softnet 46789 470328 0 0 3 0x14200 bored systqmp 73466 517822 0 0 3 0x14200 bored systq 33533 192553 0 0 3 0x40014200 bored softclock 99498 36912 0 0 3 0x40014200 idle0 60039 380928 0 0 3 0x14200 bored smr 1 61204 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 9578 6582K 8264K 78643K 33676 0 0 pcb 13 8K 8K 78643K 393 0 0 rtable 111 4K 4K 78643K 1336 0 0 ifaddr 74 16K 16K 78643K 446 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 214 0 0 iov 0 0K 32K 78643K 445 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1236 78K 78K 78643K 7538 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 66 0 0 VM map 3 0K 0K 78643K 4 0 0 sem 12 0K 0K 78643K 493 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 3631 0 0 sigio 0 0K 0K 78643K 38 0 0 proc 49 38K 63K 78643K 1288 0 0 subproc 32 2K 2K 78643K 289 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 288 0 0 in_multi 33 2K 2K 78643K 287 0 0 ether_multi 1 0K 0K 78643K 18 0 0 mrt 0 0K 0K 78643K 7 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 180 795K 795K 78643K 180 0 0 exec 0 0K 1K 78643K 690 0 0 pfkey data 0 0K 4K 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 104 21K 31K 78643K 9599 0 0 UVM aobj 130 4K 4K 78643K 142 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 424 0 0 NDP 17 0K 0K 78643K 137 0 0 temp 206 3536K 3607K 78643K 69378 0 0 kqueue 0 0K 0K 78643K 19 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 37 0 31 1 0 1 1 0 8 0 rtpcb 80 203 0 201 1 0 1 1 0 8 0 rtentry 112 178 0 134 2 0 2 2 0 8 0 unpcb 120 1560 0 1546 4 3 1 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 6447 0 6447 1 1 0 1 0 8 0 tcpcb 544 741 0 737 4 3 1 2 0 8 0 ipq 40 4 0 4 2 2 0 1 0 8 0 ipqe 40 8 0 8 2 2 0 1 0 8 0 inpcb 280 3163 0 3154 11 9 2 3 0 8 1 nd6 48 28 0 24 1 0 1 1 0 8 0 pkpcb 40 20 0 20 7 7 0 1 0 8 0 ppxss 1128 64 0 63 10 9 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 772 0 554 20 5 15 15 0 8 0 art_table 32 773 0 554 2 0 2 2 0 8 0 art_node 16 177 0 137 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 2 1 0 1 1 0 8 0 semapl 112 491 0 481 1 0 1 1 0 8 0 shmpl 112 140 0 12 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 6925 0 5530 46 0 46 46 0 8 0 ffsino 240 6925 0 5530 83 0 83 83 0 8 0 nchpl 144 12253 0 10655 61 0 61 61 0 8 0 uvmvnodes 72 6219 0 0 114 0 114 114 0 8 0 vnodes 208 6219 0 0 328 0 328 328 0 8 0 namei 1024 43911 0 43911 4 3 1 1 0 8 1 vmpool 520 2 0 1 1 0 1 1 0 8 0 scsiplug 64 5 0 5 4 4 0 1 0 8 0 scxspl 192 39752 0 39752 16 14 2 7 0 8 2 plimitpl 152 335 0 328 1 0 1 1 0 8 0 sigapl 432 3758 0 3744 2 0 2 2 0 8 0 futexpl 56 83205 0 83205 2 1 1 1 0 8 1 knotepl 112 950 0 931 4 3 1 3 0 8 0 kqueuepl 104 1961 0 1959 1 0 1 1 0 8 0 pipepl 112 1986 0 1967 7 5 2 2 0 8 1 fdescpl 424 3759 0 3744 2 0 2 2 0 8 0 filepl 120 29829 0 29724 23 18 5 7 0 8 1 lockfpl 104 1385 0 1383 1 0 1 1 0 8 0 lockfspl 48 466 0 464 1 0 1 1 0 8 0 sessionpl 112 33 0 23 1 0 1 1 0 8 0 pgrppl 48 73 0 63 1 0 1 1 0 8 0 ucredpl 96 6582 0 6575 1 0 1 1 0 8 0 zombiepl 144 3744 0 3744 3 2 1 1 0 8 1 processpl 864 3775 0 3744 4 0 4 4 0 8 0 procpl 632 8149 0 8110 4 0 4 4 0 8 0 sosppl 128 31 0 31 12 12 0 1 0 8 0 sockpl 384 5014 0 4989 24 20 4 7 0 8 1 mcl64k 65536 896 0 896 102 101 1 64 0 8 1 mcl16k 16384 19 0 19 8 8 0 1 0 8 0 mcl12k 12288 78 0 78 10 9 1 1 0 8 1 mcl9k 9216 36 0 36 11 10 1 1 0 8 1 mcl8k 8192 83 0 83 11 10 1 1 0 8 1 mcl4k 4096 295 0 295 5 4 1 1 0 8 1 mcl2k2 2112 33 0 33 9 8 1 1 0 8 1 mcl2k 2048 54274 0 54230 27 20 7 16 0 8 0 mtagpl 80 121 0 107 2 1 1 1 0 8 0 mbufpl 256 110678 0 110569 65 56 9 42 0 8 1 bufpl 256 16834 0 10616 389 0 389 389 0 8 0 anonpl 16 371194 0 357022 171 110 61 74 0 62 0 amapchunkpl 152 17409 0 17299 52 47 5 15 0 158 0 amappl16 192 20331 0 19511 162 120 42 54 0 8 0 amappl15 184 367 0 366 1 0 1 1 0 8 0 amappl14 176 1491 0 1485 2 1 1 1 0 8 0 amappl13 168 431 0 430 5 4 1 1 0 8 0 amappl12 160 373 0 372 1 0 1 1 0 8 0 amappl11 152 193 0 181 1 0 1 1 0 8 0 amappl10 144 25 0 24 2 1 1 1 0 8 0 amappl9 136 974 0 966 1 0 1 1 0 8 0 amappl8 128 533 0 504 2 1 1 2 0 8 0 amappl7 120 113 0 107 1 0 1 1 0 8 0 amappl6 112 171 0 160 1 0 1 1 0 8 0 amappl5 104 645 0 635 1 0 1 1 0 8 0 amappl4 96 3753 0 3724 1 0 1 1 0 8 0 amappl3 88 1906 0 1900 1 0 1 1 0 8 0 amappl2 80 28736 0 28663 4 2 2 3 0 8 0 amappl1 72 76734 0 76316 28 19 9 20 0 8 0 amappl 80 8617 0 8579 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 64 141 0 12 3 0 3 3 0 8 0 uaddrrnd 24 3761 0 3744 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3761 0 3744 1 0 1 1 0 8 0 vmmpekpl 168 24727 0 24698 2 0 2 2 0 8 0 vmmpepl 168 453311 0 451341 288 195 93 116 0 357 6 vmsppl 272 3758 0 3744 3 2 1 2 0 8 0 pdppl 4096 7528 0 7490 6 1 5 6 0 8 0 pvpl 32 1029408 0 1012001 382 237 145 281 0 265 0 pmappl 200 3760 0 3745 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 733 0 215 18 1 17 18 0 8 0