uvm_fault(0xffffffff82513c48, 0xffff800000a81000, 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(0xffffffff82513c48, 0xffff800000a81000, 0, 1) -> e uvm_unmap_remove(ffff800000a80f00,0,1ef000,ffff800017973d10,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a80f00,0,1ef000,ffff800017973d10,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800017973dc0, count: 0 ddb> trace uvm_unmap_remove(ffff800000a80f00,0,1ef000,ffff800017973d10,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a80f00,0,1ef000,ffff800017973d10,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000a80f00,0,7,fffffd803f012110,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff800018b5dc70,ffff80001491a528) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000ad2000,ffff80001491a528) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000ad2000,ffff80001491a528) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803875c820,c5005601,ffff800000ad2000,1,fffffd803f7c6c00,ffff80001491a528) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8029bee078,c5005601,ffff800000ad2000,ffff80001491a528) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff80001491a528,ffff800017974168,ffff8000179741b0) at sys_ioctl+0x5b9 syscall(ffff800017974230) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5c86b113c20, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800017973ce0 rbx 0 rdx 0x24d1 __ALIGN_SIZE+0x14d1 rcx 0xffff800014927000 rax 0xffff800000a80f00 r8 0 r9 0x1 r10 0x7574a9ea5fea817d r11 0xd1a6221987441bf7 r12 0 r13 0xfffffd802d6d9e00 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000a80f00 rip 0xffffffff8212be9b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800017973c30 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=193778 stat=onproc flags process=0 proc=4000000 pri=70, usrpri=70, nice=20 forw=0xffffffffffffffff, list=0xffff80001491a2a0,0xffffffff825b8d60 process=0xffff8000ffff6710 user=0xffff80001796f000, vmspace=0xfffffd803f012110 estcpu=20, cpticks=5, pctcpu=0.54 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 60847 238267 29442 0 2 0 syz-executor.0 *60847 193778 29442 0 7 0x4000000 syz-executor.0 19586 388289 97527 0 3 0x80 nanosleep syz-executor.1 19586 289138 97527 0 3 0x4000080 netio syz-executor.1 19586 93859 97527 0 3 0x4000080 fsleep syz-executor.1 97527 287828 42895 0 3 0x82 nanosleep syz-executor.1 29442 30630 42895 0 3 0x82 nanosleep syz-executor.0 42895 324379 41028 0 3 0x82 thrsleep syz-fuzzer 42895 507099 41028 0 3 0x4000082 nanosleep syz-fuzzer 42895 377903 41028 0 3 0x4000082 kqread syz-fuzzer 42895 510563 41028 0 3 0x4000082 thrsleep syz-fuzzer 42895 490416 41028 0 3 0x4000082 thrsleep syz-fuzzer 42895 74227 41028 0 3 0x4000082 thrsleep syz-fuzzer 42895 281967 41028 0 3 0x4000082 thrsleep syz-fuzzer 42895 328746 41028 0 3 0x4000082 thrsleep syz-fuzzer 41028 3057 37370 0 3 0x10008a pause ksh 37370 93985 70398 0 3 0x92 select sshd 3313 272085 1 0 3 0x100083 ttyin getty 70398 125068 1 0 3 0x80 select sshd 9922 274100 79526 73 2 0x100010 syslogd 79526 27390 1 0 3 0x100082 netio syslogd 83709 188957 1 77 3 0x100090 poll dhclient 17441 156063 1 0 3 0x80 poll dhclient 44279 227142 0 0 2 0x14200 zerothread 94512 322998 0 0 3 0x14200 aiodoned aiodoned 83352 98864 0 0 3 0x14200 syncer update 43928 255437 0 0 3 0x14200 cleaner cleaner 70541 450968 0 0 3 0x14200 reaper reaper 62460 277557 0 0 3 0x14200 pgdaemon pagedaemon 15394 304040 0 0 3 0x14200 bored crynlk 66867 478482 0 0 3 0x14200 bored crypto 24273 503587 0 0 3 0x40014200 acpi0 acpi0 97757 198503 0 0 3 0x14200 bored softnet 26589 375796 0 0 3 0x14200 bored systqmp 51932 57643 0 0 3 0x14200 bored systq 79 470683 0 0 3 0x40014200 bored softclock 79214 215473 0 0 3 0x40014200 idle0 54592 53097 0 0 3 0x14200 bored smr 1 95211 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 devbuf 9497 6408K 7235K 78643K 11150 0 pcb 16 8K 8K 78643K 61 0 rtable 107 3K 4K 78643K 275 0 ifaddr 64 12K 13K 78643K 91 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 27 0 iov 0 0K 24K 78643K 40 0 mount 1 1K 1K 78643K 1 0 vnodes 1224 77K 77K 78643K 1415 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 3 0K 0K 78643K 4 0 sem 12 0K 0K 78643K 32 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 154 0 proc 48 38K 63K 78643K 369 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 13 0 in_multi 33 2K 2K 78643K 35 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 48 212K 212K 78643K 48 0 exec 0 0K 1K 78643K 185 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 107 21K 21K 78643K 1185 0 UVM aobj 12 2K 2K 78643K 14 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 29 0 NDP 11 0K 0K 78643K 20 0 temp 98 3554K 3620K 78643K 3665 0 kqueue 0 0K 0K 78643K 2 0 SYN cache 2 16K 16K 78643K 2 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 96 29 0 27 1 0 1 1 0 8 0 rtentry 112 55 0 12 2 0 2 2 0 8 0 unpcb 120 166 0 157 1 0 1 1 0 8 0 syncache 280 5 0 5 2 1 1 1 0 8 1 tcpqe 32 155 0 155 2 2 0 1 0 8 0 tcpcb 640 55 0 51 1 0 1 1 0 8 0 ipq 40 3 0 3 1 0 1 1 0 8 1 ipqe 40 51 0 51 1 0 1 1 0 8 1 inpcb 280 262 0 251 2 0 2 2 0 8 1 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 5 0 5 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 222 0 9 14 0 14 14 0 8 0 art_table 32 223 0 9 2 0 2 2 0 8 0 art_node 16 54 0 16 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 30 0 20 1 0 1 1 0 8 0 shmpl 112 12 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1601 0 205 46 0 46 46 0 8 0 ffsino 240 1601 0 205 83 0 83 83 0 8 0 nchpl 144 2009 0 399 60 0 60 60 0 8 0 uvmvnodes 72 1810 0 0 33 0 33 33 0 8 0 vnodes 208 1810 0 0 96 0 96 96 0 8 0 namei 1024 5279 0 5279 1 0 1 1 0 8 1 vmpool 520 2 0 1 1 0 1 1 0 8 0 scxspl 208 6027 0 6027 8 1 7 7 0 8 7 plimitpl 152 26 0 19 1 0 1 1 0 8 0 sigapl 432 324 0 310 2 0 2 2 0 8 0 futexpl 56 4029 0 4028 1 0 1 1 0 8 0 knotepl 112 68 0 49 1 0 1 1 0 8 0 kqueuepl 104 68 0 64 1 0 1 1 0 8 0 pipepl 128 312 0 293 3 0 3 3 0 8 2 fdescpl 424 325 0 310 2 0 2 2 0 8 0 filepl 120 2380 0 2274 6 0 6 6 0 8 2 lockfpl 104 82 0 81 1 0 1 1 0 8 0 lockfspl 48 29 0 28 1 0 1 1 0 8 0 sessionpl 128 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 220 0 213 1 0 1 1 0 8 0 zombiepl 144 310 0 310 1 0 1 1 0 8 1 processpl 896 339 0 310 4 0 4 4 0 8 0 procpl 648 506 0 467 4 0 4 4 0 8 0 sockpl 384 458 0 436 5 0 5 5 0 8 2 mcl64k 65536 14 0 14 1 0 1 1 0 8 1 mcl16k 16384 2 0 2 1 0 1 1 0 8 1 mcl12k 12288 5 0 5 1 0 1 1 0 8 1 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 9 0 9 1 0 1 1 0 8 1 mcl4k 4096 25 0 25 2 1 1 1 0 8 1 mcl2k 2048 68447 0 68420 16 7 9 13 0 8 5 mtagpl 80 20 0 2 2 1 1 1 0 8 0 mbufpl 256 109501 0 109405 24 9 15 20 0 8 8 bufpl 280 6700 0 1900 346 0 346 346 0 8 0 anonpl 16 52028 0 28220 98 2 96 96 0 62 0 amapchunkpl 152 1392 0 1224 8 0 8 8 0 158 1 amappl16 192 2011 0 663 68 0 68 68 0 8 0 amappl14 176 109 0 102 1 0 1 1 0 8 0 amappl13 168 2 0 1 1 0 1 1 0 8 0 amappl12 160 64 0 62 2 1 1 1 0 8 0 amappl11 152 49 0 37 1 0 1 1 0 8 0 amappl10 144 9 0 8 1 0 1 1 0 8 0 amappl9 136 539 0 536 1 0 1 1 0 8 0 amappl8 128 145 0 118 1 0 1 1 0 8 0 amappl7 120 34 0 31 1 0 1 1 0 8 0 amappl6 112 56 0 47 1 0 1 1 0 8 0 amappl5 104 230 0 218 1 0 1 1 0 8 0 amappl4 96 420 0 394 1 0 1 1 0 8 0 amappl3 88 302 0 291 1 0 1 1 0 8 0 amappl2 80 1825 0 1751 3 1 2 3 0 8 0 amappl1 72 15252 0 14823 27 16 11 20 0 8 2 amappl 80 729 0 682 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 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 13 0 2 1 0 1 1 0 8 0 uaddrrnd 24 327 0 310 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 327 0 310 1 0 1 1 0 8 0 vmmpekpl 168 6593 0 6568 2 0 2 2 0 8 0 vmmpepl 168 46805 0 44251 143 8 135 135 0 357 23 vmsppl 272 324 0 310 2 0 2 2 0 8 1 pdppl 4096 660 0 622 6 0 6 6 0 8 1 pvpl 32 157125 0 129710 222 0 222 222 0 265 0 pmappl 200 326 0 311 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 157 0 19 5 0 5 5 0 8 0