uvm_fault(0xffffffff82516880, 0xffff800000b63000, 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(0xffffffff82516880, 0xffff800000b63000, 0, 1) -> e uvm_unmap_remove(ffff800000b62f00,0,80000000,ffff80001593cc38,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000b62f00,0,80000000,ffff80001593cc38,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 end trace frame: 0xffff80001593cc70, count: 0 ddb> trace uvm_unmap_remove(ffff800000b62f00,0,80000000,ffff80001593cc38,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000b62f00,0,80000000,ffff80001593cc38,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000b62f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff80001487f8c8,ffff8000ffff2508) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000ae9000,ffff8000ffff2508) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000ae9000,ffff8000ffff2508) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd80365b9270,c5005601,ffff800000ae9000,1,fffffd803f7c6ba0,ffff8000ffff2508) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802ea97088,c5005601,ffff800000ae9000,ffff8000ffff2508) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff2508,ffff80001593d018,ffff80001593d060) at sys_ioctl+0x5b9 syscall(ffff80001593d0e0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,75937e89010) at Xsyscall+0x128 end of kernel end trace frame: 0x75c33442bf0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001593cc20 rbx 0 rdx 0x1719 __ALIGN_SIZE+0x719 rcx 0xffff80001715b000 rax 0xffff800000b62f00 r8 0x1 r9 0 r10 0xaa7700a8a5ba64de r11 0x51f1804581f9a9ab r12 0 r13 0xfffffd802acb50f8 r14 0 r15 0xffff800000b62f00 rip 0xffffffff81dfd0bb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001593cb70 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=198411 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3160,0xffffffff82555660 process=0xffff8000ffff6d90 user=0xffff800015938000, vmspace=0xfffffd803f013330 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 61241 495742 41199 0 2 0 syz-executor.0 *61241 198411 41199 0 7 0x4000000 syz-executor.0 28104 280723 93847 0 2 0x2 syz-executor.1 41199 225038 93847 0 3 0x82 nanosleep syz-executor.0 19554 506127 0 0 3 0x14200 acct acct 30644 287299 0 0 3 0x14200 bored sosplice 93847 134606 25692 0 3 0x82 thrsleep syz-fuzzer 93847 507857 25692 0 3 0x4000082 nanosleep syz-fuzzer 93847 19090 25692 0 3 0x4000082 thrsleep syz-fuzzer 93847 473857 25692 0 3 0x4000082 thrsleep syz-fuzzer 93847 456017 25692 0 3 0x4000082 kqread syz-fuzzer 93847 257353 25692 0 3 0x4000082 thrsleep syz-fuzzer 93847 160992 25692 0 3 0x4000082 thrsleep syz-fuzzer 93847 148856 25692 0 3 0x4000082 thrsleep syz-fuzzer 25692 381588 88374 0 3 0x10008a pause ksh 88374 418659 53495 0 3 0x92 select sshd 89926 82529 1 0 3 0x100083 ttyin getty 53495 19289 1 0 3 0x80 select sshd 73954 262054 47148 73 2 0x100010 syslogd 47148 13198 1 0 3 0x100082 netio syslogd 13717 59725 0 0 2 0x14200 zerothread 47331 515476 0 0 3 0x14200 aiodoned aiodoned 35031 163176 0 0 3 0x14200 syncer update 91452 94108 0 0 3 0x14200 cleaner cleaner 77625 31564 0 0 3 0x14200 reaper reaper 79853 197435 0 0 3 0x14200 pgdaemon pagedaemon 21121 23091 0 0 3 0x14200 bored crynlk 11092 479989 0 0 3 0x14200 bored crypto 23342 427742 0 0 3 0x40014200 acpi0 acpi0 72216 459288 0 0 3 0x14200 bored softnet 64392 175688 0 0 3 0x14200 bored systqmp 11712 208861 0 0 3 0x14200 bored systq 55609 128950 0 0 3 0x40014200 bored softclock 798 355271 0 0 3 0x40014200 idle0 64419 231805 0 0 3 0x14200 bored smr 1 500703 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 9591 6364K 8017K 78643K 44391 0 0 pcb 13 8K 8K 78643K 1840 0 0 rtable 122 12K 13K 78643K 3279 0 0 ifaddr 78 22K 26K 78643K 1625 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 458 0 0 iov 0 0K 32K 78643K 1546 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1224 77K 78K 78643K 14351 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 226 0 0 VM map 3 0K 0K 78643K 38 0 0 sem 12 0K 1K 78643K 1725 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 14179 0 0 sigio 0 0K 0K 78643K 166 0 0 proc 45 30K 63K 78643K 3615 0 0 subproc 32 2K 2K 78643K 892 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 1460 0 0 in_multi 33 2K 2K 78643K 937 0 0 ether_multi 1 0K 0K 78643K 65 0 0 mrt 2 0K 0K 78643K 55 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 198 874K 874K 78643K 198 0 0 exec 0 0K 1K 78643K 2144 0 0 pfkey data 0 0K 4K 78643K 6 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 104 21K 32K 78643K 34371 0 0 UVM aobj 130 4K 4K 78643K 138 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 1870 0 0 NDP 18 0K 0K 78643K 509 0 0 temp 212 3536K 4176K 78643K 271987 0 0 kqueue 0 0K 0K 78643K 111 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 64 111 0 105 1 0 1 1 0 8 0 rtpcb 80 799 0 799 18 17 1 1 0 8 1 rtentry 112 564 0 517 2 0 2 2 0 8 0 unpcb 120 5819 0 5802 5 4 1 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 3 0 3 3 3 0 1 0 8 0 tcpqe 32 4637 0 4637 1 1 0 1 0 8 0 tcpcb 544 3090 0 3086 3 2 1 2 0 8 0 ipq 40 17 0 17 9 9 0 1 0 8 0 ipqe 40 36 0 36 9 9 0 1 0 8 0 inpcb 280 9154 0 9150 29 28 1 2 0 8 0 rttmr 72 10 0 10 7 7 0 1 0 8 0 ip6q 72 1 0 1 1 1 0 1 0 8 0 nd6 48 96 0 92 1 0 1 1 0 8 0 pkpcb 40 81 0 81 29 29 0 1 0 8 0 swfcl 56 6 0 0 1 0 1 1 0 8 0 ppxss 1128 255 0 255 47 46 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2543 0 2297 34 18 16 18 0 8 0 art_table 32 2544 0 2297 3 0 3 3 0 8 0 art_node 16 538 0 496 1 0 1 1 0 8 0 sysvmsgpl 40 81 0 71 1 0 1 1 0 8 0 semapl 112 1723 0 1713 1 0 1 1 0 8 0 shmpl 112 136 0 8 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 23307 0 21894 46 0 46 46 0 8 0 ffsino 240 23307 0 21894 84 0 84 84 0 8 0 nchpl 144 51817 0 50147 63 0 63 63 0 8 0 uvmvnodes 72 8611 0 0 157 0 157 157 0 8 0 vnodes 208 8611 0 0 454 0 454 454 0 8 0 namei 1024 168488 0 168488 10 9 1 1 0 8 1 vmpool 520 36 0 35 14 13 1 1 0 8 0 scsiplug 64 22 0 22 17 16 1 1 0 8 1 scxspl 192 133978 0 133978 31 30 1 7 0 8 1 plimitpl 152 1153 0 1147 1 0 1 1 0 8 0 sigapl 432 14200 0 14189 2 0 2 2 0 8 0 futexpl 56 319038 0 319038 11 10 1 1 0 8 1 knotepl 112 3318 0 3299 7 6 1 3 0 8 0 kqueuepl 104 3666 0 3664 1 0 1 1 0 8 0 pipepl 112 12398 0 12379 55 54 1 3 0 8 0 fdescpl 424 14201 0 14189 2 0 2 2 0 8 0 filepl 120 118696 0 118609 38 35 3 7 0 8 0 lockfpl 104 4514 0 4514 7 6 1 1 0 8 1 lockfspl 48 1501 0 1501 7 6 1 1 0 8 1 sessionpl 112 67 0 59 1 0 1 1 0 8 0 pgrppl 48 239 0 231 1 0 1 1 0 8 0 ucredpl 96 17732 0 17724 1 0 1 1 0 8 0 zombiepl 144 14192 0 14192 4 3 1 1 0 8 1 processpl 864 14220 0 14192 4 0 4 4 0 8 0 procpl 632 31183 0 31147 5 1 4 5 0 8 0 sosppl 128 186 0 186 51 50 1 1 0 8 1 sockpl 384 16032 0 16011 35 31 4 7 0 8 0 mcl64k 65536 2927 0 2927 297 195 102 129 0 8 102 mcl16k 16384 62 0 62 39 39 0 1 0 8 0 mcl12k 12288 273 0 273 45 45 0 1 0 8 0 mcl9k 9216 170 0 170 50 49 1 1 0 8 1 mcl8k 8192 372 0 372 37 37 0 1 0 8 0 mcl4k 4096 998 0 998 17 16 1 1 0 8 1 mcl2k2 2112 112 0 112 51 50 1 1 0 8 1 mcl2k 2048 74893 0 74850 37 30 7 13 0 8 0 mtagpl 80 378 0 376 6 5 1 1 0 8 0 mbufpl 256 199333 0 199231 159 150 9 72 0 8 0 bufpl 256 40505 0 31334 575 1 574 574 0 8 0 anonpl 16 1356977 0 1344560 401 336 65 107 0 62 0 amapchunkpl 152 63585 0 63485 169 164 5 34 0 158 0 amappl16 192 75405 0 74607 490 441 49 54 0 8 8 amappl15 184 2815 0 2812 7 6 1 1 0 8 0 amappl14 176 2437 0 2432 2 1 1 1 0 8 0 amappl13 168 1077 0 1076 1 0 1 1 0 8 0 amappl12 160 2276 0 2274 1 0 1 1 0 8 0 amappl11 152 1594 0 1590 1 0 1 1 0 8 0 amappl10 144 3017 0 3014 1 0 1 1 0 8 0 amappl9 136 2285 0 2278 1 0 1 1 0 8 0 amappl8 128 1773 0 1735 3 1 2 2 0 8 0 amappl7 120 3224 0 3215 1 0 1 1 0 8 0 amappl6 112 1505 0 1492 1 0 1 1 0 8 0 amappl5 104 2836 0 2828 1 0 1 1 0 8 0 amappl4 96 13321 0 13295 1 0 1 1 0 8 0 amappl3 88 2810 0 2805 1 0 1 1 0 8 0 amappl2 80 112562 0 112502 4 2 2 3 0 8 0 amappl1 72 258290 0 257921 28 19 9 20 0 8 0 amappl 80 32227 0 32195 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 64 137 0 8 3 0 3 3 0 8 0 uaddrrnd 24 14237 0 14189 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 14237 0 14189 1 0 1 1 0 8 0 vmmpekpl 168 82420 0 82394 2 0 2 2 0 8 0 vmmpepl 168 1659148 0 1657378 776 674 102 111 0 357 15 vmsppl 272 14200 0 14189 3 2 1 2 0 8 0 pdppl 4096 28480 0 28448 11 6 5 6 0 8 0 pvpl 32 3831587 0 3816094 994 803 191 348 0 265 44 pmappl 200 14236 0 14224 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 1312 0 507 26 0 26 26 0 8 0