uvm_fault(0xffffffff824f6a40, 0xffff800000b10000, 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(0xffffffff824f6a40, 0xffff800000b10000, 0, 1) -> e uvm_unmap_remove(ffff800000b0ff00,0,80000000,ffff800014912218,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000b0ff00,0,80000000,ffff800014912218,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff800014912250, count: 0 ddb> trace uvm_unmap_remove(ffff800000b0ff00,0,80000000,ffff800014912218,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000b0ff00,0,80000000,ffff800014912218,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000b0ff00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff800015333c78,ffff800015334290) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000b14000,ffff800015334290) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1375 [inline] vm_create(ffff800000b14000,ffff800015334290) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd80361645b0,c5005601,ffff800000b14000,1,fffffd803f7c6900,ffff800015334290) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802ebfed30,c5005601,ffff800000b14000,ffff800015334290) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff800015334290,ffff8000149125f8,ffff800014912640) at sys_ioctl+0x5b9 syscall(ffff8000149126c0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,399b181f010) at Xsyscall+0x128 end of kernel end trace frame: 0x39c009827a0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800014912200 rbx 0 rdx 0x19d5 __ALIGN_SIZE+0x9d5 rcx 0xffff80001533a000 rax 0xffff800000b0ff00 r8 0x1 r9 0 r10 0x3528e1f98922939b r11 0xe28a1f80d26635c2 r12 0 r13 0xfffffd802ebf5308 r14 0 r15 0xffff800000b0ff00 rip 0xffffffff8213458b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800014912150 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=468018 stat=onproc flags process=0 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800015335b40,0xffffffff82574928 process=0xffff8000ffff6a30 user=0xffff80001490d000, vmspace=0xfffffd803f014ee0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 22369 187869 32139 0 2 0 syz-executor.1 *22369 468018 32139 0 7 0x4000000 syz-executor.1 32139 422373 60612 0 2 0x482 syz-executor.1 68052 54571 60612 0 2 0x2 syz-executor.0 39614 390416 0 0 3 0x14200 acct acct 28498 302745 0 0 3 0x14200 bored sosplice 60612 347680 86437 0 3 0x82 thrsleep syz-fuzzer 60612 41779 86437 0 2 0x4000482 syz-fuzzer 60612 324449 86437 0 3 0x4000082 kqread syz-fuzzer 60612 212827 86437 0 3 0x4000082 thrsleep syz-fuzzer 60612 392846 86437 0 3 0x4000082 thrsleep syz-fuzzer 60612 403769 86437 0 3 0x4000082 thrsleep syz-fuzzer 60612 232000 86437 0 3 0x4000082 thrsleep syz-fuzzer 86437 150082 89020 0 3 0x10008a pause ksh 89020 409837 91494 0 3 0x92 select sshd 13337 76997 1 0 3 0x100083 ttyin getty 91494 97941 1 0 3 0x80 select sshd 69224 394791 7185 73 2 0x100090 syslogd 7185 8047 1 0 3 0x100082 netio syslogd 46306 165135 1 77 3 0x100090 poll dhclient 12768 259627 1 0 3 0x80 poll dhclient 69047 370238 0 0 2 0x14200 zerothread 17633 412817 0 0 3 0x14200 aiodoned aiodoned 95112 30532 0 0 3 0x14200 syncer update 61000 408495 0 0 3 0x14200 cleaner cleaner 56464 425871 0 0 3 0x14200 reaper reaper 86831 435464 0 0 3 0x14200 pgdaemon pagedaemon 54159 125377 0 0 3 0x14200 bored crynlk 71924 405608 0 0 3 0x14200 bored crypto 92809 501278 0 0 3 0x40014200 acpi0 acpi0 98717 353097 0 0 3 0x14200 bored softnet 41856 460140 0 0 3 0x14200 bored systqmp 18470 189627 0 0 3 0x14200 bored systq 36691 3497 0 0 3 0x40014200 bored softclock 98925 62749 0 0 3 0x40014200 idle0 65721 245852 0 0 3 0x14200 bored smr 1 261931 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 9527 6469K 14586K 78643K 13292 0 0 pcb 13 8K 8K 78643K 143 0 0 rtable 111 4K 4K 78643K 537 0 0 ifaddr 58 13K 14K 78643K 178 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 61 0 0 iov 0 0K 16K 78643K 95 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1219 77K 77K 78643K 2285 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 20 0 0 VM map 3 0K 0K 78643K 5 0 0 sem 12 0K 1K 78643K 160 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 1091 0 0 sigio 0 0K 0K 78643K 16 0 0 proc 48 38K 63K 78643K 595 0 0 subproc 32 2K 2K 78643K 85 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 83 0 0 in_multi 33 2K 2K 78643K 89 0 0 ether_multi 1 0K 0K 78643K 7 0 0 mrt 0 0K 0K 78643K 4 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 108 477K 477K 78643K 108 0 0 exec 0 0K 1K 78643K 334 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 96 21K 26K 78643K 3406 0 0 UVM aobj 56 2K 2K 78643K 65 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 130 0 0 NDP 14 0K 0K 78643K 52 0 0 temp 170 3535K 3648K 78643K 18658 0 0 kqueue 0 0K 0K 78643K 7 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 14 0 8 1 0 1 1 0 8 0 rtpcb 80 65 0 63 1 0 1 1 0 8 0 rtentry 112 81 0 37 2 0 2 2 0 8 0 unpcb 120 2585 0 2576 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 5640 0 5640 1 1 0 1 0 8 0 tcpcb 544 243 0 239 2 1 1 2 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 2 0 2 1 1 0 1 0 8 0 inpcb 280 689 0 682 3 2 1 2 0 8 0 nd6 48 10 0 6 1 0 1 1 0 8 0 pkpcb 40 12 0 12 4 4 0 1 0 8 0 ppxss 1128 20 0 20 6 5 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 356 0 137 14 0 14 14 0 8 0 art_table 32 357 0 137 2 0 2 2 0 8 0 art_node 16 80 0 40 1 0 1 1 0 8 0 sysvmsgpl 40 37 0 23 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 156 0 146 1 0 1 1 0 8 0 shmpl 112 63 0 9 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 3093 0 1703 46 0 46 46 0 8 0 ffsino 240 3093 0 1703 83 0 83 83 0 8 0 nchpl 144 4803 0 3197 60 0 60 60 0 8 0 uvmvnodes 72 3869 0 0 71 0 71 71 0 8 0 vnodes 208 3869 0 0 204 0 204 204 0 8 0 namei 1024 14947 0 14947 3 2 1 1 0 8 1 vmpool 520 3 0 2 2 1 1 1 0 8 0 scsiplug 64 6 0 6 3 3 0 1 0 8 0 scxspl 192 14057 0 14057 13 9 4 7 0 8 4 plimitpl 152 105 0 98 1 0 1 1 0 8 0 sigapl 432 1253 0 1240 2 0 2 2 0 8 0 futexpl 56 32710 0 32710 1 0 1 1 0 8 1 knotepl 112 287 0 268 1 0 1 1 0 8 0 kqueuepl 104 283 0 281 1 0 1 1 0 8 0 pipepl 112 778 0 759 3 2 1 2 0 8 0 fdescpl 424 1254 0 1240 2 0 2 2 0 8 0 filepl 120 10435 0 10339 7 3 4 5 0 8 1 lockfpl 104 348 0 347 1 0 1 1 0 8 0 lockfspl 48 116 0 115 1 0 1 1 0 8 0 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 30 0 20 1 0 1 1 0 8 0 ucredpl 96 1457 0 1450 1 0 1 1 0 8 0 zombiepl 144 1240 0 1240 3 2 1 1 0 8 1 processpl 864 1270 0 1240 4 0 4 4 0 8 0 procpl 632 2593 0 2556 4 0 4 4 0 8 0 sosppl 128 9 0 9 3 3 0 1 0 8 0 sockpl 384 3366 0 3348 6 3 3 4 0 8 0 mcl64k 65536 147 0 147 2 1 1 1 0 8 1 mcl16k 16384 18 0 18 3 2 1 1 0 8 1 mcl12k 12288 37 0 37 3 3 0 1 0 8 0 mcl9k 9216 11 0 11 6 5 1 1 0 8 1 mcl8k 8192 55 0 55 2 1 1 1 0 8 1 mcl4k 4096 70 0 70 3 2 1 1 0 8 1 mcl2k2 2112 6 0 6 4 4 0 1 0 8 0 mcl2k 2048 49615 0 49570 16 9 7 15 0 8 0 mtagpl 80 33 0 23 2 1 1 1 0 8 0 mbufpl 256 89922 0 89782 14 4 10 10 0 8 0 bufpl 256 9903 0 3811 381 0 381 381 0 8 0 anonpl 16 127635 0 116056 85 11 74 78 0 62 12 amapchunkpl 152 5414 0 5308 23 14 9 15 0 158 4 amappl16 192 6207 0 5375 67 20 47 54 0 8 4 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 739 0 732 2 1 1 1 0 8 0 amappl12 160 9 0 6 1 0 1 1 0 8 0 amappl11 152 56 0 45 1 0 1 1 0 8 0 amappl10 144 11 0 10 1 0 1 1 0 8 0 amappl9 136 938 0 930 1 0 1 1 0 8 0 amappl8 128 530 0 504 1 0 1 1 0 8 0 amappl7 120 50 0 44 1 0 1 1 0 8 0 amappl6 112 69 0 59 1 0 1 1 0 8 0 amappl5 104 323 0 312 1 0 1 1 0 8 0 amappl4 96 1481 0 1457 1 0 1 1 0 8 0 amappl3 88 312 0 307 1 0 1 1 0 8 0 amappl2 80 9045 0 8978 4 2 2 3 0 8 0 amappl1 72 31829 0 31412 28 19 9 20 0 8 0 amappl 80 2859 0 2821 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 64 0 9 1 0 1 1 0 8 0 uaddrrnd 24 1257 0 1240 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1257 0 1240 1 0 1 1 0 8 0 vmmpekpl 168 11694 0 11662 2 0 2 2 0 8 0 vmmpepl 168 152934 0 151053 177 64 113 113 0 357 26 vmsppl 272 1253 0 1240 2 1 1 2 0 8 0 pdppl 4096 2520 0 2484 6 1 5 6 0 8 0 pvpl 32 379421 0 364689 261 31 230 236 0 265 82 pmappl 200 1256 0 1242 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 537 0 26 15 0 15 15 0 8 0