uvm_fault(0xffffffff82516880, 0xffff800000b9d000, 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(0xffffffff82516880, 0xffff800000b9d000, 0, 1) -> e uvm_unmap_remove(ffff800000b9cf00,0,80000000,ffff80001695e288,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000b9cf00,0,80000000,ffff80001695e288,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 end trace frame: 0xffff80001695e2c0, count: 0 ddb> trace uvm_unmap_remove(ffff800000b9cf00,0,80000000,ffff80001695e288,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000b9cf00,0,80000000,ffff80001695e288,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000b9cf00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff8000148fda68,ffff8000ffff2c70) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000aa2000,ffff8000ffff2c70) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000aa2000,ffff8000ffff2c70) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd8036d645b0,c5005601,ffff800000aa2000,1,fffffd803f7c6540,ffff8000ffff2c70) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802b700c30,c5005601,ffff800000aa2000,ffff8000ffff2c70) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff2c70,ffff80001695e668,ffff80001695e6b0) at sys_ioctl+0x5b9 syscall(ffff80001695e730) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,36d25e27010) at Xsyscall+0x128 end of kernel end trace frame: 0x36f64b870b0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001695e270 rbx 0 rdx 0x1a7c __ALIGN_SIZE+0xa7c rcx 0xffff80001490b000 rax 0xffff800000b9cf00 r8 0x1 r9 0 r10 0xcb55c5d99cba6432 r11 0x37dcf97c4f5a5e42 r12 0 r13 0xfffffd802f029eb0 r14 0 r15 0xffff800000b9cf00 rip 0xffffffff81dfd0bb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001695e1c0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=17581 stat=onproc flags process=0 proc=4000000 pri=80, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3b40,0xffffffff82555660 process=0xffff8000148a2378 user=0xffff800016959000, vmspace=0xfffffd803f013dd0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 79873 398033 98736 0 2 0 syz-executor.0 *79873 17581 98736 0 7 0x4000000 syz-executor.0 13308 42217 71503 0 3 0x80 nanosleep syz-executor.1 13308 24238 71503 0 3 0x4000080 fsleep syz-executor.1 13308 113797 71503 0 3 0x4000080 fsleep syz-executor.1 71503 112210 46219 0 2 0x482 syz-executor.1 98736 118923 46219 0 2 0x482 syz-executor.0 28936 97746 0 0 3 0x14200 acct acct 15426 491619 1 0 3 0x100083 ttyin getty 40023 413329 0 0 3 0x14200 bored sosplice 46219 510030 67327 0 3 0x82 thrsleep syz-fuzzer 46219 476441 67327 0 3 0x4000082 thrsleep syz-fuzzer 46219 432271 67327 0 3 0x4000082 thrsleep syz-fuzzer 46219 47381 67327 0 3 0x4000082 thrsleep syz-fuzzer 46219 37172 67327 0 3 0x4000082 thrsleep syz-fuzzer 46219 78940 67327 0 3 0x4000082 kqread syz-fuzzer 46219 244498 67327 0 3 0x4000082 thrsleep syz-fuzzer 67327 316533 95135 0 3 0x10008a pause ksh 95135 129147 27241 0 3 0x92 select sshd 27241 388675 1 0 3 0x80 select sshd 61743 427580 76876 73 2 0x100090 syslogd 76876 181026 1 0 3 0x100082 netio syslogd 91151 410256 1 77 3 0x100090 poll dhclient 76690 402012 1 0 3 0x80 poll dhclient 26771 470733 0 0 2 0x14200 zerothread 6104 458952 0 0 3 0x14200 aiodoned aiodoned 96865 159822 0 0 3 0x14200 syncer update 14230 311485 0 0 3 0x14200 cleaner cleaner 65697 514113 0 0 3 0x14200 reaper reaper 58772 182151 0 0 3 0x14200 pgdaemon pagedaemon 73403 26855 0 0 3 0x14200 bored crynlk 23261 328141 0 0 3 0x14200 bored crypto 60683 346440 0 0 3 0x40014200 acpi0 acpi0 47303 418529 0 0 3 0x14200 bored softnet 43922 264122 0 0 3 0x14200 bored systqmp 42424 11465 0 0 3 0x14200 bored systq 32037 381060 0 0 3 0x40014200 bored softclock 15253 89377 0 0 3 0x40014200 idle0 51057 103300 0 0 3 0x14200 bored smr 1 385993 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 9539 6380K 7314K 78643K 19061 0 0 pcb 13 8K 8K 78643K 362 0 0 rtable 111 4K 4K 78643K 1091 0 0 ifaddr 65 15K 16K 78643K 356 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 113 0 0 iov 0 0K 24K 78643K 263 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1205 76K 77K 78643K 4035 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 39 0 0 VM map 3 0K 0K 78643K 3 0 0 sem 12 0K 1K 78643K 355 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 2964 0 0 sigio 0 0K 0K 78643K 20 0 0 proc 49 38K 63K 78643K 1070 0 0 subproc 32 2K 2K 78643K 204 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 295 0 0 in_multi 33 2K 2K 78643K 211 0 0 ether_multi 1 0K 0K 78643K 22 0 0 mrt 0 0K 0K 78643K 19 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 132 583K 583K 78643K 132 0 0 exec 0 0K 1K 78643K 514 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 103 21K 25K 78643K 8177 0 0 UVM aobj 130 5K 5K 78643K 139 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 341 0 0 NDP 16 0K 0K 78643K 113 0 0 temp 184 3535K 4175K 78643K 62790 0 0 kqueue 0 0K 0K 78643K 29 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 26 0 20 1 0 1 1 0 8 0 rtpcb 80 162 0 160 1 0 1 1 0 8 0 rtentry 112 149 0 105 2 0 2 2 0 8 0 unpcb 120 983 0 971 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 5587 0 5587 2 2 0 2 0 8 0 tcpcb 544 535 0 531 1 0 1 1 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 1657 0 1650 4 3 1 2 0 8 0 nd6 48 24 0 20 1 0 1 1 0 8 0 pkpcb 40 12 0 12 4 4 0 1 0 8 0 swfcl 56 3 0 0 1 0 1 1 0 8 0 ppxss 1128 39 0 39 9 8 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 663 0 448 15 1 14 14 0 8 0 art_table 32 664 0 448 2 0 2 2 0 8 0 art_node 16 144 0 104 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 11 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 353 0 343 1 0 1 1 0 8 0 shmpl 112 137 0 9 5 1 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 5869 0 4474 46 0 46 46 0 8 0 ffsino 240 5869 0 4474 83 0 83 83 0 8 0 nchpl 144 12191 0 10571 61 0 61 61 0 8 0 uvmvnodes 72 7559 0 0 138 0 138 138 0 8 0 vnodes 208 7559 0 0 398 0 398 398 0 8 0 namei 1024 38199 0 38199 3 2 1 1 0 8 1 vmpool 520 1 0 0 1 0 1 1 0 8 0 scsiplug 64 6 0 6 4 4 0 1 0 8 0 scxspl 192 30155 0 30155 21 19 2 7 0 8 2 plimitpl 152 218 0 211 1 0 1 1 0 8 0 sigapl 432 3106 0 3092 2 0 2 2 0 8 0 futexpl 56 72890 0 72888 1 0 1 1 0 8 0 knotepl 112 609 0 590 1 0 1 1 0 8 0 kqueuepl 104 594 0 592 1 0 1 1 0 8 0 pipepl 112 1544 0 1525 6 5 1 2 0 8 0 fdescpl 424 3107 0 3092 2 0 2 2 0 8 0 filepl 120 23591 0 23493 9 5 4 6 0 8 0 lockfpl 104 1007 0 1006 1 0 1 1 0 8 0 lockfspl 48 335 0 334 1 0 1 1 0 8 0 sessionpl 112 28 0 18 1 0 1 1 0 8 0 pgrppl 48 50 0 40 1 0 1 1 0 8 0 ucredpl 96 2950 0 2943 1 0 1 1 0 8 0 zombiepl 144 3093 0 3093 2 1 1 1 0 8 1 processpl 864 3124 0 3093 4 0 4 4 0 8 0 procpl 632 6903 0 6863 4 0 4 4 0 8 0 sosppl 128 31 0 31 9 9 0 1 0 8 0 sockpl 384 2841 0 2820 15 12 3 4 0 8 0 mcl64k 65536 83 0 83 11 10 1 1 0 8 1 mcl16k 16384 11 0 11 5 5 0 1 0 8 0 mcl12k 12288 49 0 49 12 11 1 1 0 8 1 mcl9k 9216 25 0 25 14 13 1 1 0 8 1 mcl8k 8192 69 0 69 13 12 1 1 0 8 1 mcl4k 4096 222 0 221 10 9 1 1 0 8 0 mcl2k2 2112 23 0 23 13 12 1 1 0 8 1 mcl2k 2048 59014 0 58972 38 32 6 27 0 8 0 mtagpl 80 67 0 67 2 1 1 1 0 8 1 mbufpl 256 111305 0 111186 22 12 10 15 0 8 0 bufpl 256 15314 0 7754 473 0 473 473 0 8 0 anonpl 16 296200 0 285275 159 98 61 75 0 62 0 amapchunkpl 152 14156 0 14044 36 30 6 15 0 158 1 amappl16 192 15489 0 14681 143 94 49 53 0 8 8 amappl15 184 2 0 1 1 0 1 1 0 8 0 amappl14 176 536 0 533 1 0 1 1 0 8 0 amappl13 168 266 0 265 2 1 1 1 0 8 0 amappl12 160 29 0 24 1 0 1 1 0 8 0 amappl11 152 988 0 977 1 0 1 1 0 8 0 amappl10 144 760 0 760 3 3 0 1 0 8 0 amappl9 136 1115 0 1106 1 0 1 1 0 8 0 amappl8 128 667 0 640 1 0 1 1 0 8 0 amappl7 120 829 0 824 1 0 1 1 0 8 0 amappl6 112 1002 0 991 1 0 1 1 0 8 0 amappl5 104 236 0 224 1 0 1 1 0 8 0 amappl4 96 3327 0 3299 1 0 1 1 0 8 0 amappl3 88 198 0 192 1 0 1 1 0 8 0 amappl2 80 23667 0 23593 3 1 2 3 0 8 0 amappl1 72 65287 0 64847 28 19 9 20 0 8 0 amappl 80 7282 0 7243 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 64 138 0 9 3 0 3 3 0 8 0 uaddrrnd 24 3108 0 3092 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3108 0 3092 1 0 1 1 0 8 0 vmmpekpl 168 22591 0 22563 2 0 2 2 0 8 0 vmmpepl 168 369726 0 367747 292 181 111 111 0 357 21 vmsppl 272 3106 0 3092 2 1 1 2 0 8 0 pdppl 4096 6222 0 6184 6 1 5 6 0 8 0 pvpl 32 891763 0 877648 442 228 214 264 0 265 68 pmappl 200 3107 0 3092 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 688 0 87 18 0 18 18 0 8 0