uvm_fault(0xffffffff82513c48, 0xffff800000a92000, 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, 0xffff800000a92000, 0, 1) -> e uvm_unmap_remove(ffff800000a91f00,0,1ef000,ffff800014917dd0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a91f00,0,1ef000,ffff800014917dd0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800014917e80, count: 0 ddb> trace uvm_unmap_remove(ffff800000a91f00,0,1ef000,ffff800014917dd0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a91f00,0,1ef000,ffff800014917dd0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000a91f00,0,7,fffffd803f012770,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff800014891c70,ffff8000ffff22a0) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a8f000,ffff8000ffff22a0) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a8f000,ffff8000ffff22a0) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd8038e85750,c5005601,ffff800000a8f000,1,fffffd803f7c6540,ffff8000ffff22a0) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd803755b0f0,c5005601,ffff800000a8f000,ffff8000ffff22a0) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff22a0,ffff800014918228,ffff800014918270) at sys_ioctl+0x5b9 syscall(ffff8000149182f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76ff9bfecb0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800014917da0 rbx 0 rdx 0x2909 __ALIGN_SIZE+0x1909 rcx 0xffff800014921000 rax 0xffff800000a91f00 r8 0 r9 0x1 r10 0x495c296207ff4cc6 r11 0x91b926eb5aeb142f r12 0 r13 0xfffffd802d85cbe0 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000a91f00 rip 0xffffffff8212be9b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800014917cf0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=306380 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3458,0xffff8000ffff3978 process=0xffff8000ffff7c10 user=0xffff800014913000, vmspace=0xfffffd803f012770 estcpu=36, cpticks=51, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 78105 415637 87766 0 2 0 syz-executor.0 *78105 306380 87766 0 7 0x4000000 syz-executor.0 78105 121931 87766 0 3 0x4000080 fsleep syz-executor.0 4031 101962 0 0 3 0x14200 bored sosplice 25854 15186 10329 0 3 0x82 nanosleep syz-executor.1 87766 343375 10329 0 3 0x82 nanosleep syz-executor.0 10329 296219 13429 0 3 0x82 thrsleep syz-fuzzer 10329 270116 13429 0 3 0x4000082 thrsleep syz-fuzzer 10329 449105 13429 0 3 0x4000082 kqread syz-fuzzer 10329 256825 13429 0 3 0x4000082 thrsleep syz-fuzzer 10329 146826 13429 0 3 0x4000082 thrsleep syz-fuzzer 10329 252953 13429 0 3 0x4000082 thrsleep syz-fuzzer 10329 486725 13429 0 3 0x4000082 thrsleep syz-fuzzer 13429 216694 67992 0 3 0x10008a pause ksh 67992 266313 73930 0 3 0x92 select sshd 91619 336169 1 0 3 0x100083 ttyin getty 73930 430906 1 0 3 0x80 select sshd 2706 443816 79610 73 3 0x100090 kqread syslogd 79610 418882 1 0 3 0x100082 netio syslogd 96541 75853 1 77 3 0x100090 poll dhclient 54881 453480 1 0 3 0x80 poll dhclient 54805 497590 0 0 2 0x14200 zerothread 20971 432547 0 0 3 0x14200 aiodoned aiodoned 41505 80060 0 0 3 0x14200 syncer update 14328 71658 0 0 3 0x14200 cleaner cleaner 139 198575 0 0 3 0x14200 reaper reaper 58651 342444 0 0 3 0x14200 pgdaemon pagedaemon 73624 42394 0 0 3 0x14200 bored crynlk 5592 264623 0 0 3 0x14200 bored crypto 19275 192680 0 0 3 0x40014200 acpi0 acpi0 11174 172633 0 0 3 0x14200 bored softnet 93892 396580 0 0 3 0x14200 bored systqmp 62467 456324 0 0 3 0x14200 bored systq 18248 77463 0 0 3 0x40014200 bored softclock 48748 431079 0 0 3 0x40014200 idle0 60370 338206 0 0 3 0x14200 bored smr 1 218539 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 9466 6329K 6716K 78643K 10846 0 pcb 13 8K 8K 78643K 63 0 rtable 97 2K 3K 78643K 240 0 ifaddr 49 11K 11K 78643K 66 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 16 0 iov 0 0K 16K 78643K 22 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1302 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 3 0K 0K 78643K 3 0 sem 12 1K 1K 78643K 27 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 125 0 sigio 0 0K 0K 78643K 4 0 proc 47 38K 63K 78643K 373 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 19 0 in_multi 36 2K 2K 78643K 46 0 ether_multi 1 0K 0K 78643K 1 0 mrt 0 0K 0K 78643K 2 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 193 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 102 21K 21K 78643K 1127 0 UVM aobj 14 2K 2K 78643K 17 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 31 0 NDP 7 0K 0K 78643K 15 0 temp 99 3554K 3623K 78643K 20234 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 6 0 1 1 0 1 1 0 8 0 rtpcb 96 31 0 29 1 0 1 1 0 8 0 rtentry 112 55 0 15 2 0 2 2 0 8 0 unpcb 120 71 0 63 1 0 1 1 0 8 0 syncache 280 4 0 4 1 1 0 1 0 8 0 tcpqe 32 75 0 75 1 1 0 1 0 8 0 tcpcb 640 46 0 42 1 0 1 1 0 8 0 inpcb 280 321 0 314 2 0 2 2 0 8 1 nd6 48 5 0 2 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 261 0 59 15 0 15 15 0 8 0 art_table 32 262 0 59 2 0 2 2 0 8 0 art_node 16 54 0 17 1 0 1 1 0 8 0 sysvmsgpl 40 45 0 24 1 0 1 1 0 8 0 semupl 112 4 0 4 1 0 1 1 0 8 1 semapl 112 25 0 15 1 0 1 1 0 8 0 shmpl 112 15 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1552 0 156 46 0 46 46 0 8 0 ffsino 240 1552 0 156 83 0 83 83 0 8 0 nchpl 144 1950 0 343 60 0 60 60 0 8 0 uvmvnodes 72 1660 0 0 31 0 31 31 0 8 0 vnodes 208 1660 0 0 88 0 88 88 0 8 0 namei 1024 5055 0 5055 1 0 1 1 0 8 1 vmpool 520 1 0 0 1 0 1 1 0 8 0 scxspl 208 5294 0 5294 8 1 7 7 0 8 7 plimitpl 152 24 0 17 1 0 1 1 0 8 0 sigapl 432 295 0 282 2 0 2 2 0 8 0 futexpl 56 3287 0 3286 1 0 1 1 0 8 0 knotepl 112 64 0 45 1 0 1 1 0 8 0 kqueuepl 104 21 0 18 1 0 1 1 0 8 0 pipepl 128 194 0 175 2 0 2 2 0 8 1 fdescpl 424 296 0 282 2 0 2 2 0 8 0 filepl 120 1952 0 1855 5 0 5 5 0 8 2 lockfpl 104 42 0 41 1 0 1 1 0 8 0 lockfspl 48 15 0 14 1 0 1 1 0 8 0 sessionpl 128 17 0 7 1 0 1 1 0 8 0 pgrppl 48 21 0 11 1 0 1 1 0 8 0 ucredpl 96 143 0 136 1 0 1 1 0 8 0 zombiepl 144 282 0 281 1 0 1 1 0 8 0 processpl 896 311 0 281 4 0 4 4 0 8 0 procpl 648 453 0 415 4 0 4 4 0 8 0 sosppl 144 8 0 8 1 0 1 1 0 8 1 sockpl 384 424 0 407 5 0 5 5 0 8 3 mcl64k 65536 7 0 7 1 0 1 1 0 8 1 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 7 0 7 1 0 1 1 0 8 1 mcl4k 4096 22 0 22 2 1 1 1 0 8 1 mcl2k 2048 70099 0 70064 16 7 9 13 0 8 4 mtagpl 80 15 0 2 2 1 1 1 0 8 0 mbufpl 256 111699 0 111572 13 1 12 12 0 8 1 bufpl 280 6392 0 1580 348 0 348 348 0 8 1 anonpl 16 49092 0 25758 96 2 94 94 0 62 0 amapchunkpl 152 1349 0 1187 8 1 7 8 0 158 0 amappl16 192 1805 0 502 66 0 66 66 0 8 0 amappl15 184 50 0 49 1 0 1 1 0 8 0 amappl14 176 89 0 81 1 0 1 1 0 8 0 amappl13 168 3 0 2 2 1 1 1 0 8 0 amappl12 160 9 0 9 1 1 0 1 0 8 0 amappl11 152 48 0 37 1 0 1 1 0 8 0 amappl10 144 10 0 8 1 0 1 1 0 8 0 amappl9 136 548 0 545 1 0 1 1 0 8 0 amappl8 128 143 0 121 1 0 1 1 0 8 0 amappl7 120 43 0 39 1 0 1 1 0 8 0 amappl6 112 59 0 49 1 0 1 1 0 8 0 amappl5 104 162 0 150 1 0 1 1 0 8 0 amappl4 96 503 0 477 1 0 1 1 0 8 0 amappl3 88 111 0 104 1 0 1 1 0 8 0 amappl2 80 1632 0 1567 3 1 2 3 0 8 0 amappl1 72 14852 0 14436 26 17 9 20 0 8 0 amappl 80 673 0 629 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 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 16 0 3 1 0 1 1 0 8 0 uaddrrnd 24 297 0 282 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 297 0 282 1 0 1 1 0 8 0 vmmpekpl 168 6335 0 6311 2 0 2 2 0 8 0 vmmpepl 168 43428 0 41035 136 8 128 131 0 357 23 vmsppl 272 295 0 282 2 1 1 2 0 8 0 pdppl 4096 600 0 564 6 1 5 6 0 8 0 pvpl 32 151860 0 124995 217 0 217 217 0 265 0 pmappl 200 296 0 282 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 146 0 13 4 0 4 4 0 8 0