uvm_fault(0xffffffff824ff2b0, 0xffff800000ab0000, 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(0xffffffff824ff2b0, 0xffff800000ab0000, 0, 1) -> e uvm_unmap_remove(ffff800000aaff00,0,80000000,ffff80001493db98,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000aaff00,0,80000000,ffff80001493db98,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff80001493dbd0, count: 0 ddb> trace uvm_unmap_remove(ffff800000aaff00,0,80000000,ffff80001493db98,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000aaff00,0,80000000,ffff80001493db98,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000aaff00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff800017963c70,ffff8000ffff84f8) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a89800,ffff8000ffff84f8) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1377 [inline] vm_create(ffff800000a89800,ffff8000ffff84f8) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1166 VOP_IOCTL(fffffd803c631a90,c5005601,ffff800000a89800,1,fffffd803f7c68a0,ffff8000ffff84f8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8039dfde88,c5005601,ffff800000a89800,ffff8000ffff84f8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff84f8,ffff80001493df78,ffff80001493dfc0) at sys_ioctl+0x5b9 syscall(ffff80001493e040) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,3199c987010) at Xsyscall+0x128 end of kernel end trace frame: 0x31c04171000, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001493db80 rbx 0 rdx 0x16ef __ALIGN_SIZE+0x6ef rcx 0xffff800014947000 rax 0xffff800000aaff00 r8 0x1 r9 0 r10 0x690aecea152d9d5b r11 0xca5a217f9428ea03 r12 0 r13 0xfffffd802f06f3b8 r14 0 r15 0xffff800000aaff00 rip 0xffffffff81dd97bb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001493dad0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=513346 stat=onproc flags process=0 proc=4000000 pri=72, usrpri=72, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff53d0,0xffff8000ffff9b40 process=0xffff8000ffff6010 user=0xffff800014939000, vmspace=0xfffffd803f014550 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 64428 252865 70234 0 2 0 syz-executor.1 64428 454015 70234 0 2 0x4000000 syz-executor.1 15119 293852 82412 0 2 0 syz-executor.0 *15119 513346 82412 0 7 0x4000000 syz-executor.0 82412 233019 23433 0 2 0x482 syz-executor.0 70234 288283 23433 0 2 0x482 syz-executor.1 23433 11244 85049 0 3 0x82 thrsleep syz-fuzzer 23433 496624 85049 0 3 0x4000082 thrsleep syz-fuzzer 23433 85133 85049 0 3 0x4000082 kqread syz-fuzzer 23433 377625 85049 0 3 0x4000082 thrsleep syz-fuzzer 23433 104051 85049 0 3 0x4000082 thrsleep syz-fuzzer 23433 45948 85049 0 3 0x4000082 thrsleep syz-fuzzer 23433 302717 85049 0 3 0x4000082 thrsleep syz-fuzzer 85049 78941 34494 0 3 0x10008a pause ksh 34494 214916 30430 0 3 0x92 select sshd 59446 226368 1 0 3 0x100083 ttyin getty 30430 386532 1 0 3 0x80 select sshd 45052 428707 43128 73 2 0x100010 syslogd 43128 132477 1 0 3 0x100082 netio syslogd 6058 186485 1 77 3 0x100090 poll dhclient 73888 461235 1 0 3 0x80 poll dhclient 22115 341129 0 0 2 0x14200 zerothread 92324 479703 0 0 3 0x14200 aiodoned aiodoned 40894 379457 0 0 3 0x14200 syncer update 91956 355207 0 0 3 0x14200 cleaner cleaner 72260 412366 0 0 3 0x14200 reaper reaper 77000 138012 0 0 3 0x14200 pgdaemon pagedaemon 81453 119536 0 0 3 0x14200 bored crynlk 57229 521430 0 0 3 0x14200 bored crypto 79551 14124 0 0 3 0x40014200 acpi0 acpi0 72753 273433 0 0 3 0x14200 bored softnet 10481 10810 0 0 3 0x14200 bored systqmp 89997 474452 0 0 3 0x14200 bored systq 84358 341041 0 0 3 0x40014200 bored softclock 75909 274749 0 0 3 0x40014200 idle0 27115 270396 0 0 3 0x14200 bored smr 1 407509 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 9445 6312K 6570K 78643K 10710 0 0 pcb 13 8K 8K 78643K 39 0 0 rtable 111 4K 4K 78643K 254 0 0 ifaddr 36 10K 10K 78643K 64 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 19 0 0 iov 0 0K 12K 78643K 18 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1214 76K 77K 78643K 1306 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 3 0 0 VM map 3 0K 0K 78643K 4 0 0 sem 12 0K 0K 78643K 21 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 168 0 0 sigio 0 0K 0K 78643K 4 0 0 proc 48 38K 54K 78643K 365 0 0 subproc 32 2K 2K 78643K 34 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 2 0K 0K 78643K 143 0 0 in_multi 33 2K 2K 78643K 37 0 0 ether_multi 1 0K 0K 78643K 3 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 188 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 85 20K 21K 78643K 1202 0 0 UVM aobj 14 2K 2K 78643K 14 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 26 0 0 NDP 5 0K 0K 78643K 16 0 0 temp 110 3527K 3591K 78643K 3699 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 6 0 0 1 0 1 1 0 8 0 rtpcb 80 33 0 31 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 125 0 117 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 4538 0 4538 1 1 0 1 0 8 0 tcpcb 544 162 0 156 1 0 1 1 0 8 0 inpcb 280 244 0 235 2 0 2 2 0 8 1 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 6 0 6 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 213 0 0 14 0 14 14 0 8 0 art_table 32 214 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 17 0 7 1 0 1 1 0 8 0 shmpl 112 12 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1647 0 254 46 0 46 46 0 8 0 ffsino 240 1647 0 254 83 0 83 83 0 8 0 nchpl 144 2065 0 454 60 0 60 60 0 8 0 uvmvnodes 72 1726 0 0 32 0 32 32 0 8 0 vnodes 208 1726 0 0 91 0 91 91 0 8 0 namei 1024 5429 0 5428 3 2 1 1 0 8 0 vmpool 520 2 0 1 1 0 1 1 0 8 0 scxspl 192 5620 0 5620 11 10 1 7 0 8 1 plimitpl 152 28 0 21 1 0 1 1 0 8 0 sigapl 432 339 0 325 2 0 2 2 0 8 0 futexpl 56 3100 0 3100 1 0 1 1 0 8 1 knotepl 112 64 0 45 1 0 1 1 0 8 0 kqueuepl 104 60 0 58 1 0 1 1 0 8 0 pipepl 112 254 0 235 3 1 2 2 0 8 1 fdescpl 424 340 0 325 2 0 2 2 0 8 0 filepl 120 2226 0 2127 5 0 5 5 0 8 2 lockfpl 104 58 0 57 1 0 1 1 0 8 0 lockfspl 48 21 0 20 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 347 0 340 1 0 1 1 0 8 0 zombiepl 144 325 0 325 3 2 1 1 0 8 1 processpl 864 354 0 325 4 0 4 4 0 8 0 procpl 632 515 0 478 4 0 4 4 0 8 0 sockpl 384 402 0 383 4 0 4 4 0 8 2 mcl12k 12288 2 0 2 2 1 1 1 0 8 1 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 4 0 4 1 0 1 1 0 8 1 mcl4k 4096 28 0 27 2 1 1 1 0 8 0 mcl2k 2048 52810 0 52772 17 8 9 14 0 8 3 mtagpl 80 12 0 5 2 1 1 1 0 8 0 mbufpl 256 86318 0 86238 11 3 8 9 0 8 1 bufpl 256 6339 0 1500 303 0 303 303 0 8 0 anonpl 16 41038 0 28754 53 2 51 51 0 62 1 amapchunkpl 152 1440 0 1333 8 2 6 7 0 158 0 amappl16 192 1411 0 734 35 0 35 35 0 8 1 amappl14 176 32 0 28 2 1 1 1 0 8 0 amappl13 168 8 0 7 1 0 1 1 0 8 0 amappl12 160 9 0 6 1 0 1 1 0 8 0 amappl11 152 50 0 39 1 0 1 1 0 8 0 amappl10 144 11 0 11 1 1 0 1 0 8 0 amappl9 136 646 0 637 1 0 1 1 0 8 0 amappl8 128 208 0 187 1 0 1 1 0 8 0 amappl7 120 34 0 31 1 0 1 1 0 8 0 amappl6 112 78 0 67 1 0 1 1 0 8 0 amappl5 104 137 0 128 1 0 1 1 0 8 0 amappl4 96 534 0 507 1 0 1 1 0 8 0 amappl3 88 112 0 105 1 0 1 1 0 8 0 amappl2 80 1813 0 1739 4 2 2 3 0 8 0 amappl1 72 15391 0 14972 28 19 9 20 0 8 0 amappl 80 755 0 717 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 13 0 0 1 0 1 1 0 8 0 uaddrrnd 24 342 0 325 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 342 0 325 1 0 1 1 0 8 0 vmmpekpl 168 6433 0 6413 2 0 2 2 0 8 0 vmmpepl 168 45809 0 43999 148 32 116 119 0 357 37 vmsppl 272 339 0 325 2 1 1 2 0 8 0 pdppl 4096 690 0 652 6 1 5 6 0 8 0 pvpl 32 144161 0 128828 143 13 130 130 0 265 6 pmappl 200 341 0 326 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 449 0 18 13 0 13 13 0 8 0