uvm_fault(0xffffffff82538f58, 0xffff800000a42000, 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(0xffffffff82538f58, 0xffff800000a42000, 0, 1) -> e uvm_unmap_remove(ffff800000a41f00,0,1ef000,ffff80001594e3e0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a41f00,0,1ef000,ffff80001594e3e0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff80001594e490, count: 0 ddb> trace uvm_unmap_remove(ffff800000a41f00,0,1ef000,ffff80001594e3e0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a41f00,0,1ef000,ffff80001594e3e0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000a41f00,0,7,fffffd803f012990,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff800015970e38,ffff8000ffff38c8) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a16000,ffff8000ffff38c8) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a16000,ffff8000ffff38c8) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd80377d21a0,c5005601,ffff800000a16000,1,fffffd803f7c6900,ffff8000ffff38c8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802dbba5b8,c5005601,ffff800000a16000,ffff8000ffff38c8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff38c8,ffff80001594e838,ffff80001594e880) at sys_ioctl+0x5b9 syscall(ffff80001594e900) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc7391c1c110, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001594e3b0 rbx 0 rdx 0x27cf __ALIGN_SIZE+0x17cf rcx 0xffff800016b69000 rax 0xffff800000a41f00 r8 0 r9 0x1 r10 0xe30035b396b3b8bd r11 0x7107a18791ecf2ef r12 0 r13 0xfffffd802d604ea8 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000a41f00 rip 0xffffffff815649cb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001594e300 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=18574 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2508,0xffff8000ffff3170 process=0xffff8000ffff6010 user=0xffff800015949000, vmspace=0xfffffd803f012990 estcpu=36, cpticks=57, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 74038 312922 76188 60929 2 0x10 syz-executor.0 74038 466224 76188 60929 3 0x4000090 fsleep syz-executor.0 74038 332800 76188 60929 3 0x4000090 fsleep syz-executor.0 48595 241984 55100 0 2 0 syz-executor.1 *48595 18574 55100 0 7 0x4000000 syz-executor.1 22223 332142 0 0 3 0x14200 bored sosplice 55100 234022 769 0 3 0x82 nanosleep syz-executor.1 76188 247601 769 0 3 0x82 nanosleep syz-executor.0 769 73038 30562 0 3 0x82 thrsleep syz-fuzzer 769 260836 30562 0 3 0x4000082 thrsleep syz-fuzzer 769 16068 30562 0 3 0x4000082 kqread syz-fuzzer 769 420224 30562 0 3 0x4000082 thrsleep syz-fuzzer 769 310258 30562 0 3 0x4000082 thrsleep syz-fuzzer 769 313320 30562 0 3 0x4000082 thrsleep syz-fuzzer 769 427840 30562 0 3 0x4000082 thrsleep syz-fuzzer 30562 23707 55095 0 3 0x10008a pause ksh 55095 65880 58961 0 3 0x92 select sshd 45557 42732 1 0 3 0x100083 ttyin getty 58961 407916 1 0 3 0x80 select sshd 92483 26205 45102 73 2 0x100010 syslogd 45102 362063 1 0 3 0x100082 netio syslogd 16685 450098 1 77 3 0x100090 poll dhclient 51226 429234 1 0 3 0x80 poll dhclient 559 149501 0 0 2 0x14200 zerothread 48896 160533 0 0 3 0x14200 aiodoned aiodoned 45160 299155 0 0 3 0x14200 syncer update 10402 68090 0 0 3 0x14200 cleaner cleaner 45112 155890 0 0 3 0x14200 reaper reaper 53208 398053 0 0 3 0x14200 pgdaemon pagedaemon 54342 470003 0 0 3 0x14200 bored crynlk 91780 310695 0 0 3 0x14200 bored crypto 57442 45030 0 0 3 0x40014200 acpi0 acpi0 79268 242255 0 0 3 0x14200 bored softnet 94896 373744 0 0 3 0x14200 bored systqmp 94021 185124 0 0 3 0x14200 bored systq 20738 11488 0 0 3 0x40014200 bored softclock 30696 252820 0 0 3 0x40014200 idle0 36943 147031 0 0 3 0x14200 bored smr 1 381079 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 9486 6397K 6717K 78643K 10895 0 pcb 13 8K 8K 78643K 47 0 rtable 110 3K 4K 78643K 229 0 ifaddr 62 13K 13K 78643K 79 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 31 0 iov 0 0K 16K 78643K 73 0 mount 1 1K 1K 78643K 1 0 vnodes 1216 76K 77K 78643K 1329 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 7 1K 1K 78643K 8 0 sem 12 0K 1K 78643K 103 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 204 0 sigio 0 0K 0K 78643K 6 0 proc 48 38K 63K 78643K 362 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 13 0 in_multi 53 3K 3K 78643K 63 0 ether_multi 1 0K 0K 78643K 3 0 mrt 0 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 54 238K 238K 78643K 54 0 exec 0 0K 1K 78643K 217 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 125 54K 55K 78643K 1410 0 UVM aobj 27 2K 2K 78643K 27 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 21 0 NDP 9 0K 0K 78643K 15 0 temp 121 3014K 3079K 78643K 4281 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 7 0 0 1 0 1 1 0 8 0 rtpcb 80 59 0 57 1 0 1 1 0 8 0 rtentry 112 46 0 1 2 0 2 2 0 8 0 unpcb 120 185 0 175 1 0 1 1 0 8 0 syncache 264 7 0 7 2 2 0 1 0 8 0 tcpqe 32 151 0 151 1 0 1 1 0 8 1 tcpcb 544 67 0 63 1 0 1 1 0 8 0 inpcb 280 866 0 856 2 0 2 2 0 8 1 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 2 0 2 1 1 0 1 0 8 0 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 45 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 42 0 32 1 0 1 1 0 8 0 semupl 112 9 0 9 1 1 0 1 0 8 0 semapl 112 101 0 91 1 0 1 1 0 8 0 shmpl 112 25 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1710 0 309 46 0 46 46 0 8 0 ffsino 240 1710 0 309 83 0 83 83 0 8 0 nchpl 144 2226 0 1770 60 32 28 60 0 8 8 uvmvnodes 72 1820 0 0 34 0 34 34 0 8 0 vnodes 208 1820 0 0 96 0 96 96 0 8 0 namei 1024 5869 0 5869 1 0 1 1 0 8 1 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 520 6 0 1 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 6751 0 6751 8 5 3 7 0 8 3 plimitpl 152 30 0 23 1 0 1 1 0 8 0 sigapl 432 375 0 361 2 0 2 2 0 8 0 futexpl 56 6731 0 6729 1 0 1 1 0 8 0 knotepl 112 84 0 65 1 0 1 1 0 8 0 kqueuepl 104 80 0 76 1 0 1 1 0 8 0 pipepl 128 248 0 227 3 1 2 2 0 8 1 fdescpl 424 376 0 361 2 0 2 2 0 8 0 filepl 120 3135 0 3026 5 0 5 5 0 8 1 lockfpl 104 77 0 76 1 0 1 1 0 8 0 lockfspl 48 26 0 25 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 298 0 290 1 0 1 1 0 8 0 zombiepl 144 361 0 361 1 0 1 1 0 8 1 processpl 864 391 0 361 4 0 4 4 0 8 0 procpl 632 649 0 610 5 1 4 5 0 8 0 sosppl 128 3 0 3 1 1 0 1 0 8 0 sockpl 384 1110 0 1088 4 0 4 4 0 8 1 mcl64k 65536 37 0 36 1 0 1 1 0 8 0 mcl16k 16384 5 0 5 1 0 1 1 0 8 1 mcl12k 12288 8 0 8 1 0 1 1 0 8 1 mcl9k 9216 7 0 7 1 0 1 1 0 8 1 mcl8k 8192 12 0 12 1 0 1 1 0 8 1 mcl4k 4096 31 0 31 2 1 1 1 0 8 1 mcl2k2 2112 5 0 5 1 0 1 1 0 8 1 mcl2k 2048 70274 0 70234 16 10 6 14 0 8 0 mtagpl 80 14 0 2 2 1 1 1 0 8 0 mbufpl 256 113238 0 113100 15 2 13 13 0 8 1 bufpl 280 7106 0 2211 350 0 350 350 0 8 0 anonpl 16 64718 0 40522 100 2 98 98 0 62 0 amapchunkpl 152 2100 0 1925 14 3 11 12 0 158 4 amappl16 192 2438 0 1091 72 4 68 68 0 8 0 amappl15 184 216 0 207 1 0 1 1 0 8 0 amappl14 176 26 0 23 1 0 1 1 0 8 0 amappl13 168 89 0 87 1 0 1 1 0 8 0 amappl12 160 8 0 7 1 0 1 1 0 8 0 amappl11 152 47 0 35 1 0 1 1 0 8 0 amappl10 144 12 0 9 1 0 1 1 0 8 0 amappl9 136 568 0 564 1 0 1 1 0 8 0 amappl8 128 125 0 95 2 0 2 2 0 8 0 amappl7 120 90 0 79 1 0 1 1 0 8 0 amappl6 112 61 0 51 1 0 1 1 0 8 0 amappl5 104 141 0 131 1 0 1 1 0 8 0 amappl4 96 673 0 645 1 0 1 1 0 8 0 amappl3 88 129 0 121 1 0 1 1 0 8 0 amappl2 80 2310 0 2231 3 1 2 3 0 8 0 amappl1 72 16477 0 16042 24 15 9 20 0 8 0 amappl 80 917 0 866 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 26 0 0 1 0 1 1 0 8 0 uaddrrnd 24 382 0 361 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 382 0 361 1 0 1 1 0 8 0 vmmpekpl 168 6807 0 6782 2 0 2 2 0 8 0 vmmpepl 168 53376 0 50766 138 16 122 135 0 357 8 vmsppl 272 375 0 361 2 1 1 2 0 8 0 pdppl 4096 770 0 728 7 1 6 6 0 8 0 pvpl 32 184781 0 157225 225 1 224 225 0 265 1 pmappl 200 381 0 362 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 150 0 17 4 0 4 4 0 8 0