uvm_fault(0xffffffff82542bb0, 0xffff800000e92000, 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, 0xffff800000e92000, 0, 1) -> e uvm_unmap_remove(ffff800000e91f00,0,80000000,ffff800014d1b718,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000e91f00,0,80000000,ffff800014d1b718,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff800014d1b750, count: 0 ddb> trace uvm_unmap_remove(ffff800000e91f00,0,80000000,ffff800014d1b718,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000e91f00,0,80000000,ffff800014d1b718,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000e91f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff800014d0fca0,ffff8000ffff84f8) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000b79000,ffff8000ffff84f8) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000b79000,ffff8000ffff84f8) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd80361fca90,c5005601,ffff800000b79000,1,fffffd803f7c6a80,ffff8000ffff84f8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802be00b40,c5005601,ffff800000b79000,ffff8000ffff84f8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff84f8,ffff800014d1baf8,ffff800014d1bb40) at sys_ioctl+0x5b9 syscall(ffff800014d1bbc0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,568b7213010) at Xsyscall+0x128 end of kernel end trace frame: 0x56ac570e960, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800014d1b700 rbx 0 rdx 0x1997 __ALIGN_SIZE+0x997 rcx 0xffff80001596e000 rax 0xffff800000e91f00 r8 0x1 r9 0 r10 0x994af60494b8ba81 r11 0x9250e6fb4be83f2a r12 0 r13 0xfffffd802eaedd80 r14 0 r15 0xffff800000e91f00 rip 0xffffffff813897cb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800014d1b650 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=22675 stat=onproc flags process=0 proc=4000000 pri=82, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8008,0xffff8000ffff9b40 process=0xffff8000ffff77b0 user=0xffff800014d16000, vmspace=0xfffffd803f013770 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 70897 141085 54124 0 2 0 syz-executor.0 *70897 22675 54124 0 7 0x4000000 syz-executor.0 58274 442446 34601 60929 2 0x10 syz-executor.1 58274 43973 34601 60929 3 0x4000090 ttyout syz-executor.1 58274 469971 34601 60929 3 0x4000090 ttyout syz-executor.1 58274 385601 34601 60929 3 0x4000090 ttyout syz-executor.1 58274 179532 34601 60929 3 0x4000090 ttyout syz-executor.1 58274 73704 34601 60929 3 0x4000090 ttyout syz-executor.1 58274 277576 34601 60929 3 0x4000090 ttyout syz-executor.1 58274 204801 34601 60929 3 0x4000090 ttyout syz-executor.1 58274 231348 34601 60929 2 0x4000010 syz-executor.1 58274 19693 34601 60929 2 0x4000010 syz-executor.1 54124 311386 6065 0 3 0x82 nanosleep syz-executor.0 83580 195268 1 0 3 0x100083 ttyin getty 34601 285890 6065 0 3 0x82 nanosleep syz-executor.1 81038 417844 0 0 3 0x14200 acct acct 50427 129571 0 0 3 0x14200 bored sosplice 6065 455607 57040 0 3 0x82 thrsleep syz-fuzzer 6065 385241 57040 0 3 0x4000082 thrsleep syz-fuzzer 6065 380443 57040 0 3 0x4000082 thrsleep syz-fuzzer 6065 410409 57040 0 3 0x4000082 thrsleep syz-fuzzer 6065 33464 57040 0 3 0x4000082 kqread syz-fuzzer 6065 501312 57040 0 3 0x4000082 thrsleep syz-fuzzer 6065 220785 57040 0 3 0x4000082 thrsleep syz-fuzzer 57040 476211 34999 0 3 0x10008a pause ksh 34999 516562 96677 0 3 0x92 select sshd 96677 47418 1 0 3 0x80 select sshd 47684 290175 92547 73 2 0x100090 syslogd 92547 321312 1 0 3 0x100082 netio syslogd 1687 238353 1 77 3 0x100090 poll dhclient 61055 146451 1 0 3 0x80 poll dhclient 77831 470419 0 0 2 0x14200 zerothread 34469 467975 0 0 3 0x14200 aiodoned aiodoned 80940 302607 0 0 3 0x14200 syncer update 63824 435911 0 0 3 0x14200 cleaner cleaner 25005 221333 0 0 3 0x14200 reaper reaper 68042 191223 0 0 3 0x14200 pgdaemon pagedaemon 71064 246532 0 0 3 0x14200 bored crynlk 32075 118624 0 0 3 0x14200 bored crypto 81117 344450 0 0 3 0x40014200 acpi0 acpi0 21139 56800 0 0 3 0x14200 bored softnet 74788 433902 0 0 3 0x14200 bored systqmp 19544 503047 0 0 3 0x14200 bored systq 90109 372479 0 0 3 0x40014200 bored softclock 63715 427245 0 0 3 0x40014200 idle0 97572 26580 0 0 3 0x14200 bored smr 1 284487 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 9560 6363K 10224K 78643K 27332 0 0 pcb 14 8K 8K 78643K 333 0 0 rtable 119 12K 12K 78643K 1122 0 0 ifaddr 70 15K 17K 78643K 380 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 186 0 0 iov 0 0K 32K 78643K 293 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1240 78K 78K 78643K 5796 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 30 0 0 VM map 3 0K 0K 78643K 21 0 0 sem 12 0K 0K 78643K 523 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 2521 0 0 sigio 0 0K 0K 78643K 10 0 0 proc 50 38K 63K 78643K 943 0 0 subproc 32 2K 2K 78643K 206 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 167 0 0 in_multi 33 2K 2K 78643K 216 0 0 ether_multi 1 0K 0K 78643K 12 0 0 mrt 0 0K 0K 78643K 9 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 180 795K 795K 78643K 180 0 0 exec 0 0K 1K 78643K 542 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 105 21K 30K 78643K 6915 0 0 UVM aobj 126 3K 3K 78643K 134 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 378 0 0 NDP 16 0K 0K 78643K 119 0 0 temp 197 3532K 3608K 78643K 99292 0 0 kqueue 0 0K 0K 78643K 33 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 26 0 20 1 0 1 1 0 8 0 rtpcb 80 135 0 133 1 0 1 1 0 8 0 rtentry 112 155 0 110 2 0 2 2 0 8 0 unpcb 120 1145 0 1129 3 2 1 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 5469 0 5469 1 1 0 1 0 8 0 tcpcb 544 587 0 583 1 0 1 1 0 8 0 ipq 40 2 0 2 2 2 0 1 0 8 0 ipqe 40 4 0 4 2 2 0 1 0 8 0 inpcb 280 1660 0 1652 4 3 1 2 0 8 0 rttmr 72 2 0 2 1 1 0 1 0 8 0 nd6 48 24 0 20 1 0 1 1 0 8 0 pkpcb 40 14 0 14 6 6 0 1 0 8 0 ppxss 1128 49 0 49 8 7 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 712 0 493 17 3 14 16 0 8 0 art_table 32 713 0 493 2 0 2 2 0 8 0 art_node 16 147 0 107 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 12 2 1 1 1 0 8 0 semapl 112 519 0 509 1 0 1 1 0 8 0 shmpl 112 132 0 8 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 5196 0 3802 46 0 46 46 0 8 0 ffsino 240 5196 0 3802 83 0 83 83 0 8 0 nchpl 144 8869 0 7247 61 0 61 61 0 8 0 uvmvnodes 72 6409 0 0 117 0 117 117 0 8 0 vnodes 208 6409 0 0 338 0 338 338 0 8 0 namei 1024 31532 0 31532 3 2 1 1 0 8 1 vmpool 520 19 0 18 7 6 1 1 0 8 0 scsiplug 64 5 0 5 3 3 0 1 0 8 0 scxspl 192 29780 0 29780 12 11 1 7 0 8 1 plimitpl 152 227 0 220 1 0 1 1 0 8 0 sigapl 432 2664 0 2650 2 0 2 2 0 8 0 futexpl 56 59101 0 59101 3 2 1 1 0 8 1 knotepl 112 1834 0 1815 1 0 1 1 0 8 0 kqueuepl 104 2546 0 2542 1 0 1 1 0 8 0 pipepl 112 5166 0 5143 11 9 2 2 0 8 1 fdescpl 424 2665 0 2650 2 0 2 2 0 8 0 filepl 120 24981 0 24870 22 17 5 7 0 8 1 lockfpl 104 827 0 826 1 0 1 1 0 8 0 lockfspl 48 283 0 282 1 0 1 1 0 8 0 sessionpl 112 29 0 19 1 0 1 1 0 8 0 pgrppl 48 53 0 43 1 0 1 1 0 8 0 ucredpl 96 3326 0 3318 1 0 1 1 0 8 0 zombiepl 144 2650 0 2650 2 1 1 1 0 8 1 processpl 864 2681 0 2650 4 0 4 4 0 8 0 procpl 632 5748 0 5701 4 0 4 4 0 8 0 sosppl 128 33 0 33 7 6 1 1 0 8 1 sockpl 384 2995 0 2969 18 14 4 7 0 8 0 mcl64k 65536 70 0 70 9 8 1 1 0 8 1 mcl16k 16384 14 0 14 9 8 1 1 0 8 1 mcl12k 12288 46 0 46 8 7 1 1 0 8 1 mcl9k 9216 19 0 19 10 9 1 1 0 8 1 mcl8k 8192 73 0 73 4 3 1 1 0 8 1 mcl4k 4096 198 0 198 3 2 1 1 0 8 1 mcl2k2 2112 26 0 26 6 6 0 1 0 8 0 mcl2k 2048 59617 0 59572 27 21 6 19 0 8 0 mtagpl 80 64 0 60 3 2 1 1 0 8 0 mbufpl 256 110702 0 110619 17 9 8 12 0 8 0 bufpl 256 13338 0 6920 402 0 402 402 0 8 0 anonpl 16 244605 0 231256 97 36 61 74 0 62 1 amapchunkpl 152 12071 0 11952 34 25 9 18 0 158 4 amappl16 192 12143 0 11348 93 53 40 53 0 8 0 amappl15 184 1021 0 1021 1 1 0 1 0 8 0 amappl14 176 616 0 611 1 0 1 1 0 8 0 amappl13 168 53 0 50 1 0 1 1 0 8 0 amappl12 160 301 0 298 1 0 1 1 0 8 0 amappl11 152 515 0 504 1 0 1 1 0 8 0 amappl10 144 370 0 369 1 0 1 1 0 8 0 amappl9 136 821 0 814 1 0 1 1 0 8 0 amappl8 128 392 0 363 2 1 1 2 0 8 0 amappl7 120 428 0 422 1 0 1 1 0 8 0 amappl6 112 523 0 510 1 0 1 1 0 8 0 amappl5 104 507 0 496 1 0 1 1 0 8 0 amappl4 96 2886 0 2859 1 0 1 1 0 8 0 amappl3 88 749 0 743 1 0 1 1 0 8 0 amappl2 80 20417 0 20343 3 1 2 3 0 8 0 amappl1 72 56988 0 56550 26 16 10 20 0 8 0 amappl 80 6130 0 6087 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 64 133 0 8 3 0 3 3 0 8 0 uaddrrnd 24 2684 0 2650 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2684 0 2650 1 0 1 1 0 8 0 vmmpekpl 168 26315 0 26287 2 0 2 2 0 8 0 vmmpepl 168 315875 0 313902 245 138 107 112 0 357 21 vmsppl 272 2664 0 2650 3 2 1 2 0 8 0 pdppl 4096 5374 0 5336 6 1 5 6 0 8 0 pvpl 32 821861 0 805037 349 179 170 269 0 265 28 pmappl 200 2683 0 2668 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 590 0 61 16 0 16 16 0 8 0