uvm_fault(0xffffffff824f6a40, 0xffff800000c00000, 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(0xffffffff824f6a40, 0xffff800000c00000, 0, 1) -> e uvm_unmap_remove(ffff800000bfff00,0,80000000,ffff80001778acb8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000bfff00,0,80000000,ffff80001778acb8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff80001778acf0, count: 0 ddb> trace uvm_unmap_remove(ffff800000bfff00,0,80000000,ffff80001778acb8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000bfff00,0,80000000,ffff80001778acb8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000bfff00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff800017773c78,ffff8000ffff2290) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000ad3800,ffff8000ffff2290) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1375 [inline] vm_create(ffff800000ad3800,ffff8000ffff2290) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd80360fb9c0,c5005601,ffff800000ad3800,1,fffffd803f7c6b40,ffff8000ffff2290) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8036226a58,c5005601,ffff800000ad3800,ffff8000ffff2290) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff2290,ffff80001778b098,ffff80001778b0e0) at sys_ioctl+0x5b9 syscall(ffff80001778b160) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,667cd2d51b0) at Xsyscall+0x128 end of kernel end trace frame: 0x66a8fc80e60, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001778aca0 rbx 0 rdx 0x19ce __ALIGN_SIZE+0x9ce rcx 0xffff800015517000 rax 0xffff800000bfff00 r8 0x1 r9 0 r10 0xb67e4754b364760e r11 0xa14535cbd9a149bf r12 0 r13 0xfffffd8032052228 r14 0 r15 0xffff800000bfff00 rip 0xffffffff8213458b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001778abf0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=102797 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2780,0xffffffff82574928 process=0xffff8000ffff7450 user=0xffff800017786000, vmspace=0xfffffd803f014cc0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 30716 489590 86406 0 3 0x80 nanosleep syz-executor.1 30716 497493 86406 0 3 0x4000080 poll syz-executor.1 30716 456991 86406 0 3 0x4000080 fsleep syz-executor.1 8453 304177 72893 0 2 0 syz-executor.0 8453 44772 72893 0 3 0x4000080 poll syz-executor.0 8453 256299 72893 0 3 0x4000080 poll syz-executor.0 * 8453 102797 72893 0 7 0x4000000 syz-executor.0 72893 238346 26163 0 3 0x82 nanosleep syz-executor.0 24395 436662 1 0 3 0x100083 ttyopn getty 86406 300744 26163 0 3 0x82 nanosleep syz-executor.1 30684 265844 0 0 3 0x14200 acct acct 55293 426606 0 0 3 0x14200 bored sosplice 26163 219794 76337 0 3 0x82 thrsleep syz-fuzzer 26163 473019 76337 0 3 0x4000082 thrsleep syz-fuzzer 26163 425083 76337 0 3 0x4000082 thrsleep syz-fuzzer 26163 459277 76337 0 3 0x4000082 thrsleep syz-fuzzer 26163 420753 76337 0 3 0x4000082 thrsleep syz-fuzzer 26163 371950 76337 0 3 0x4000082 kqread syz-fuzzer 26163 358214 76337 0 3 0x4000082 thrsleep syz-fuzzer 76337 402187 74599 0 3 0x10008a pause ksh 74599 468398 49863 0 3 0x92 select sshd 49863 154569 1 0 3 0x80 select sshd 45928 52673 57190 73 2 0x100090 syslogd 57190 349981 1 0 3 0x100082 netio syslogd 34940 140198 1 77 3 0x100090 poll dhclient 96091 1346 1 0 3 0x80 poll dhclient 92188 487155 0 0 2 0x14200 zerothread 21935 245525 0 0 3 0x14200 aiodoned aiodoned 17520 451899 0 0 3 0x14200 syncer update 77148 115022 0 0 3 0x14200 cleaner cleaner 84510 57243 0 0 3 0x14200 reaper reaper 61275 303401 0 0 3 0x14200 pgdaemon pagedaemon 78367 50885 0 0 3 0x14200 bored crynlk 1698 336161 0 0 3 0x14200 bored crypto 59184 340750 0 0 3 0x40014200 acpi0 acpi0 16240 479020 0 0 3 0x14200 bored softnet 16090 238302 0 0 3 0x14200 bored systqmp 76500 292099 0 0 3 0x14200 bored systq 47973 401638 0 0 3 0x40014200 bored softclock 50180 344098 0 0 3 0x40014200 idle0 57979 96155 0 0 3 0x14200 bored smr 1 351134 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 9552 6504K 8286K 78643K 36063 0 0 pcb 13 8K 8K 78643K 522 0 0 rtable 116 12K 12K 78643K 1181 0 0 ifaddr 68 15K 16K 78643K 400 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 154 0 0 iov 0 0K 16K 78643K 406 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1250 79K 79K 78643K 8985 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 48 0 0 VM map 3 0K 0K 78643K 5 0 0 sem 12 0K 1K 78643K 503 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 3774 0 0 sigio 0 0K 0K 78643K 50 0 0 proc 50 38K 55K 78643K 1195 0 0 subproc 32 2K 2K 78643K 223 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 417 0 0 in_multi 33 2K 2K 78643K 232 0 0 ether_multi 1 0K 0K 78643K 18 0 0 mrt 0 0K 0K 78643K 16 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 102 450K 450K 78643K 102 0 0 exec 0 0K 1K 78643K 664 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 115 22K 31K 78643K 11223 0 0 UVM aobj 126 4K 4K 78643K 140 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 494 0 0 NDP 15 0K 0K 78643K 118 0 0 temp 192 3536K 3616K 78643K 76622 0 0 kqueue 0 0K 0K 78643K 26 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 30 0 24 1 0 1 1 0 8 0 rtpcb 80 213 0 211 1 0 1 1 0 8 0 rtentry 112 154 0 110 2 0 2 2 0 8 0 unpcb 120 3930 0 3913 17 16 1 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 4627 0 4627 1 1 0 1 0 8 0 tcpcb 544 879 0 875 2 1 1 2 0 8 0 ipq 40 10 0 10 5 5 0 1 0 8 0 ipqe 40 28 0 28 5 5 0 1 0 8 0 inpcb 280 2495 0 2486 16 14 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 22 0 18 1 0 1 1 0 8 0 pkpcb 40 16 0 16 5 4 1 1 0 8 1 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 54 0 54 26 25 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 630 0 412 18 3 15 15 0 8 0 art_table 32 631 0 412 2 0 2 2 0 8 0 art_node 16 145 0 105 1 0 1 1 0 8 0 sysvmsgpl 40 30 0 21 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 500 0 490 1 0 1 1 0 8 0 shmpl 112 138 0 14 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 7033 0 5644 46 0 46 46 0 8 0 ffsino 240 7033 0 5644 83 0 83 83 0 8 0 nchpl 144 13245 0 11649 61 0 61 61 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 208 5926 0 0 312 0 312 312 0 8 0 namei 1024 49490 0 49490 3 2 1 1 0 8 1 vmpool 520 3 0 2 2 1 1 1 0 8 0 scsiplug 64 9 0 9 5 5 0 1 0 8 0 scxspl 192 38239 0 38239 17 15 2 7 0 8 2 plimitpl 152 363 0 356 1 0 1 1 0 8 0 sigapl 432 3918 0 3904 2 0 2 2 0 8 0 futexpl 56 108367 0 108366 1 0 1 1 0 8 0 knotepl 112 873 0 854 2 1 1 2 0 8 0 kqueuepl 104 853 0 851 1 0 1 1 0 8 0 pipepl 112 5814 0 5793 22 21 1 2 0 8 0 fdescpl 424 3919 0 3904 2 0 2 2 0 8 0 filepl 120 38861 0 38758 38 33 5 7 0 8 1 lockfpl 104 1207 0 1206 1 0 1 1 0 8 0 lockfspl 48 403 0 402 1 0 1 1 0 8 0 sessionpl 112 34 0 24 1 0 1 1 0 8 0 pgrppl 48 989 0 979 1 0 1 1 0 8 0 ucredpl 96 5851 0 5844 1 0 1 1 0 8 0 zombiepl 144 3904 0 3904 3 2 1 1 0 8 1 processpl 864 3935 0 3904 4 0 4 4 0 8 0 procpl 632 9973 0 9931 6 2 4 5 0 8 0 sosppl 128 46 0 46 17 17 0 1 0 8 0 sockpl 384 6701 0 6675 40 35 5 7 0 8 1 mcl64k 65536 101 0 101 26 25 1 1 0 8 1 mcl16k 16384 36 0 36 24 24 0 1 0 8 0 mcl12k 12288 76 0 76 22 22 0 1 0 8 0 mcl9k 9216 33 0 33 20 20 0 1 0 8 0 mcl8k 8192 133 0 133 20 19 1 1 0 8 1 mcl4k 4096 414 0 414 3 2 1 1 0 8 1 mcl2k2 2112 37 0 37 21 20 1 1 0 8 1 mcl2k 2048 65201 0 65158 24 17 7 14 0 8 1 mtagpl 80 127 0 123 2 1 1 1 0 8 0 mbufpl 256 127356 0 127270 20 10 10 11 0 8 1 bufpl 256 15606 0 10506 320 0 320 320 0 8 0 anonpl 16 358489 0 344494 201 136 65 75 0 62 5 amapchunkpl 152 19630 0 19491 41 30 11 11 0 158 5 amappl16 192 19035 0 18252 146 106 40 53 0 8 0 amappl14 176 1677 0 1672 2 1 1 1 0 8 0 amappl13 168 337 0 336 1 0 1 1 0 8 0 amappl12 160 136 0 133 1 0 1 1 0 8 0 amappl11 152 793 0 779 1 0 1 1 0 8 0 amappl10 144 10 0 8 2 1 1 1 0 8 0 amappl9 136 1586 0 1580 1 0 1 1 0 8 0 amappl8 128 1156 0 1124 2 0 2 2 0 8 0 amappl7 120 82 0 77 1 0 1 1 0 8 0 amappl6 112 768 0 759 1 0 1 1 0 8 0 amappl5 104 401 0 391 1 0 1 1 0 8 0 amappl4 96 4222 0 4190 1 0 1 1 0 8 0 amappl3 88 981 0 976 1 0 1 1 0 8 0 amappl2 80 30081 0 30008 4 2 2 3 0 8 0 amappl1 72 83092 0 82652 27 18 9 20 0 8 0 amappl 80 10367 0 10320 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 64 139 0 14 3 0 3 3 0 8 0 uaddrrnd 24 3922 0 3904 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3922 0 3904 1 0 1 1 0 8 0 vmmpekpl 168 38142 0 38111 2 0 2 2 0 8 0 vmmpepl 168 466907 0 464941 374 277 97 114 0 357 9 vmsppl 272 3918 0 3904 4 3 1 2 0 8 0 pdppl 4096 7850 0 7812 6 1 5 6 0 8 0 pvpl 32 962015 0 944832 463 304 159 184 0 265 15 pmappl 200 3921 0 3906 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 559 0 109 13 0 13 13 0 8 0