uvm_fault(0xffffffff82542bb0, 0xffff800000b17000, 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(0xffffffff82542bb0, 0xffff800000b17000, 0, 1) -> e uvm_unmap_remove(ffff800000b16f00,0,80000000,ffff80001595a328,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000b16f00,0,80000000,ffff80001595a328,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff80001595a360, count: 0 ddb> trace uvm_unmap_remove(ffff800000b16f00,0,80000000,ffff80001595a328,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000b16f00,0,80000000,ffff80001595a328,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000b16f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff800014891c70,ffff8000ffff2290) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a74800,ffff8000ffff2290) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000a74800,ffff8000ffff2290) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd80361d9340,c5005601,ffff800000a74800,1,fffffd803f7c69c0,ffff8000ffff2290) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802e88d088,c5005601,ffff800000a74800,ffff8000ffff2290) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff2290,ffff80001595a708,ffff80001595a750) at sys_ioctl+0x5b9 syscall(ffff80001595a7d0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,fb9adb7e010) at Xsyscall+0x128 end of kernel end trace frame: 0xfbc6606a230, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001595a310 rbx 0 rdx 0x1943 __ALIGN_SIZE+0x943 rcx 0xffff800014921000 rax 0xffff800000b16f00 r8 0x1 r9 0 r10 0x5da35526c5d5d3e9 r11 0x60e8c8e5fcd4d497 r12 0 r13 0xfffffd802e8e50a8 r14 0 r15 0xffff800000b16f00 rip 0xffffffff813897cb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001595a260 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=91460 stat=onproc flags process=0 proc=4000000 pri=73, usrpri=73, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2c70,0xffffffff825545b0 process=0xffff8000ffff7b10 user=0xffff800015955000, vmspace=0xfffffd803f013cc0 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=2, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 32145 238778 48783 0 2 0 syz-executor.0 *32145 91460 48783 0 7 0x4000000 syz-executor.0 42854 12320 0 0 3 0x14200 acct acct 75175 127864 0 0 3 0x14200 bored sosplice 40321 428412 22635 0 2 0x2 syz-executor.1 48783 460841 22635 0 2 0x482 syz-executor.0 22635 250402 95242 0 3 0x82 thrsleep syz-fuzzer 22635 213807 95242 0 2 0x4000482 syz-fuzzer 22635 198394 95242 0 3 0x4000082 thrsleep syz-fuzzer 22635 324499 95242 0 3 0x4000082 thrsleep syz-fuzzer 22635 253432 95242 0 3 0x4000082 kqread syz-fuzzer 22635 187787 95242 0 3 0x4000082 thrsleep syz-fuzzer 22635 373695 95242 0 3 0x4000082 thrsleep syz-fuzzer 95242 79931 6929 0 3 0x10008a pause ksh 6929 257127 62465 0 3 0x92 select sshd 4112 491570 1 0 3 0x100083 ttyin getty 62465 486861 1 0 3 0x80 select sshd 55389 137069 41321 73 2 0x100090 syslogd 41321 201945 1 0 3 0x100082 netio syslogd 12796 379621 1 77 3 0x100090 poll dhclient 30448 122691 1 0 3 0x80 poll dhclient 41675 281500 0 0 2 0x14200 zerothread 69332 296561 0 0 3 0x14200 aiodoned aiodoned 87869 95928 0 0 3 0x14200 syncer update 75242 183827 0 0 3 0x14200 cleaner cleaner 77313 428521 0 0 3 0x14200 reaper reaper 98317 252334 0 0 3 0x14200 pgdaemon pagedaemon 30062 370941 0 0 3 0x14200 bored crynlk 67239 406107 0 0 3 0x14200 bored crypto 15530 493233 0 0 3 0x40014200 acpi0 acpi0 25336 176614 0 0 3 0x14200 bored softnet 19942 496153 0 0 3 0x14200 bored systqmp 59948 29747 0 0 3 0x14200 bored systq 27265 281465 0 0 3 0x40014200 bored softclock 11004 219225 0 0 3 0x40014200 idle0 42325 457931 0 0 3 0x14200 bored smr 1 469461 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 9493 6465K 6962K 78643K 11475 0 0 pcb 13 8K 8K 78643K 55 0 0 rtable 108 3K 4K 78643K 224 0 0 ifaddr 48 11K 12K 78643K 60 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 20 0 0 iov 0 0K 12K 78643K 24 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1223 77K 77K 78643K 1532 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 5 0 0 VM map 3 0K 0K 78643K 3 0 0 sem 12 0K 0K 78643K 38 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 274 0 0 sigio 0 0K 0K 78643K 6 0 0 proc 48 38K 63K 78643K 392 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 0 0K 0K 78643K 28 0 0 in_multi 33 2K 2K 78643K 40 0 0 ether_multi 1 0K 0K 78643K 2 0 0 mrt 0 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 72 318K 318K 78643K 72 0 0 exec 0 0K 1K 78643K 196 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 93 21K 31K 78643K 1460 0 0 UVM aobj 15 2K 2K 78643K 19 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 36 0 0 NDP 9 0K 0K 78643K 16 0 0 temp 117 3523K 3587K 78643K 8176 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 29 0 27 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 261 0 253 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 5357 0 5357 1 1 0 1 0 8 0 tcpcb 544 68 0 64 1 0 1 1 0 8 0 inpcb 280 184 0 177 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 2 0 2 2 1 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 sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1 semapl 112 36 0 26 1 0 1 1 0 8 0 shmpl 112 17 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1834 0 437 46 0 46 46 0 8 0 ffsino 240 1834 0 437 83 0 83 83 0 8 0 nchpl 144 2463 0 850 60 0 60 60 0 8 0 uvmvnodes 72 2088 0 0 38 0 38 38 0 8 0 vnodes 208 2088 0 0 110 0 110 110 0 8 0 namei 1024 6959 0 6958 2 1 1 1 0 8 0 vmpool 520 1 0 0 1 0 1 1 0 8 0 scxspl 192 6449 0 6449 10 8 2 7 0 8 2 plimitpl 152 38 0 31 1 0 1 1 0 8 0 sigapl 432 445 0 432 2 0 2 2 0 8 0 futexpl 56 6020 0 6020 1 0 1 1 0 8 1 knotepl 112 75 0 56 1 0 1 1 0 8 0 kqueuepl 104 46 0 44 1 0 1 1 0 8 0 pipepl 112 358 0 339 2 0 2 2 0 8 1 fdescpl 424 446 0 432 2 0 2 2 0 8 0 filepl 120 3335 0 3238 6 0 6 6 0 8 3 lockfpl 104 81 0 80 1 0 1 1 0 8 0 lockfspl 48 28 0 27 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 30 0 20 1 0 1 1 0 8 0 ucredpl 96 742 0 734 1 0 1 1 0 8 0 zombiepl 144 432 0 432 2 1 1 1 0 8 1 processpl 864 462 0 432 4 0 4 4 0 8 0 procpl 632 763 0 726 4 0 4 4 0 8 0 sosppl 128 3 0 3 1 1 0 1 0 8 0 sockpl 384 474 0 457 4 0 4 4 0 8 2 mcl64k 65536 4 0 4 1 1 0 1 0 8 0 mcl16k 16384 4 0 4 1 0 1 1 0 8 1 mcl12k 12288 6 0 6 1 0 1 1 0 8 1 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 5 0 5 1 0 1 1 0 8 1 mcl4k 4096 26 0 26 2 1 1 1 0 8 1 mcl2k2 2112 2 0 2 1 1 0 1 0 8 0 mcl2k 2048 57314 0 57277 13 7 6 13 0 8 0 mtagpl 80 55 0 3 3 1 2 2 0 8 0 mbufpl 256 94286 0 94118 13 1 12 12 0 8 0 bufpl 256 6527 0 1670 304 0 304 304 0 8 0 anonpl 16 54570 0 39936 70 1 69 69 0 62 10 amapchunkpl 152 2339 0 2235 13 4 9 12 0 158 4 amappl16 192 2015 0 1193 48 0 48 48 0 8 6 amappl15 184 230 0 226 1 0 1 1 0 8 0 amappl14 176 30 0 27 1 0 1 1 0 8 0 amappl12 160 16 0 12 1 0 1 1 0 8 0 amappl11 152 42 0 31 1 0 1 1 0 8 0 amappl10 144 134 0 132 1 0 1 1 0 8 0 amappl9 136 573 0 567 1 0 1 1 0 8 0 amappl8 128 138 0 117 1 0 1 1 0 8 0 amappl7 120 159 0 155 1 0 1 1 0 8 0 amappl6 112 69 0 60 1 0 1 1 0 8 0 amappl5 104 145 0 133 1 0 1 1 0 8 0 amappl4 96 658 0 632 1 0 1 1 0 8 0 amappl3 88 120 0 115 1 0 1 1 0 8 0 amappl2 80 2882 0 2815 3 1 2 3 0 8 0 amappl1 72 17361 0 16956 28 19 9 20 0 8 0 amappl 80 1001 0 966 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 18 0 4 1 0 1 1 0 8 0 uaddrrnd 24 447 0 432 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 447 0 432 1 0 1 1 0 8 0 vmmpekpl 168 7080 0 7054 2 0 2 2 0 8 0 vmmpepl 168 59041 0 57181 127 25 102 107 0 357 19 vmsppl 272 445 0 432 2 1 1 2 0 8 0 pdppl 4096 900 0 864 6 1 5 6 0 8 0 pvpl 32 173682 0 156094 174 11 163 163 0 265 20 pmappl 200 446 0 432 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 449 0 15 13 0 13 13 0 8 0