uvm_fault(0xffffffff8254c078, 0xffff800000a95000, 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(0xffffffff8254c078, 0xffff800000a95000, 0, 1) -> e uvm_unmap_remove(ffff800000a94f00,0,1000000,ffff800017b8b1a0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a94f00,0,1000000,ffff800017b8b1a0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 end trace frame: 0xffff800017b8b250, count: 0 ddb> trace uvm_unmap_remove(ffff800000a94f00,0,1000000,ffff800017b8b1a0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a94f00,0,1000000,ffff800017b8b1a0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 uvm_share(ffff800000a94f00,0,7,fffffd803f011110,20000000,80000000) at uvm_share+0x55b vm_impl_init_vmx(ffff800017b5bc70,ffff8000ffff22a0) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a7c800,ffff8000ffff22a0) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a7c800,ffff8000ffff22a0) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd80361e5750,c5005601,ffff800000a7c800,1,fffffd803f7c6b40,ffff8000ffff22a0) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd80297c5880,c5005601,ffff800000a7c800,ffff8000ffff22a0) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff22a0,ffff800017b8b5f8,ffff800017b8b640) at sys_ioctl+0x5b9 syscall(ffff800017b8b6c0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x431d7068840, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800017b8b170 rbx 0 rdx 0x5eb rcx 0xffff800016f47000 rax 0xffff800000a94f00 r8 0 r9 0x1 r10 0x85b1185232371c16 r11 0x1960affd46e80a18 r12 0 r13 0xfffffd802d2e72f8 r14 0x1000 __ALIGN_SIZE r15 0xffff800000a94f00 rip 0xffffffff8190b8ab uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800017b8b0c0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=280590 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3bf0,0xffffffff82593130 process=0xffff8000ffff6a90 user=0xffff800017b86000, vmspace=0xfffffd803f011110 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 98461 130410 10840 0 3 0x80 nanosleep syz-executor.1 98461 461701 10840 0 3 0x4000080 netcon2 syz-executor.1 98461 297869 10840 0 3 0x4000080 fsleep syz-executor.1 98461 351383 10840 0 3 0x4000080 fsleep syz-executor.1 98461 358310 10840 0 3 0x4000080 fsleep syz-executor.1 79793 299630 48942 0 2 0 syz-executor.0 79793 246586 48942 0 3 0x4000080 netio syz-executor.0 79793 42162 48942 0 3 0x4000080 netio syz-executor.0 *79793 280590 48942 0 7 0x4000000 syz-executor.0 60084 303652 0 0 3 0x14200 bored sosplice 48942 265489 4943 0 3 0x82 nanosleep syz-executor.0 10840 164892 4943 0 3 0x82 nanosleep syz-executor.1 4943 418152 33581 0 3 0x82 thrsleep syz-fuzzer 4943 502636 33581 0 3 0x4000082 thrsleep syz-fuzzer 4943 27901 33581 0 3 0x4000082 thrsleep syz-fuzzer 4943 517272 33581 0 3 0x4000082 thrsleep syz-fuzzer 4943 55969 33581 0 3 0x4000082 thrsleep syz-fuzzer 4943 157482 33581 0 3 0x4000082 kqread syz-fuzzer 4943 196754 33581 0 3 0x4000082 thrsleep syz-fuzzer 33581 478825 59734 0 3 0x10008a pause ksh 59734 516671 17390 0 3 0x92 select sshd 6724 164052 1 0 3 0x100083 ttyin getty 17390 113423 1 0 3 0x80 select sshd 75931 76804 35796 73 3 0x100090 kqread syslogd 35796 338444 1 0 3 0x100082 netio syslogd 23321 468473 1 77 3 0x100090 poll dhclient 98795 17503 1 0 3 0x80 poll dhclient 93941 81125 0 0 2 0x14200 zerothread 70131 348641 0 0 3 0x14200 aiodoned aiodoned 95172 909 0 0 3 0x14200 syncer update 32587 188777 0 0 3 0x14200 cleaner cleaner 69611 242505 0 0 3 0x14200 reaper reaper 37775 226861 0 0 3 0x14200 pgdaemon pagedaemon 51297 271088 0 0 3 0x14200 bored crynlk 97487 258094 0 0 3 0x14200 bored crypto 17501 102174 0 0 3 0x40014200 acpi0 acpi0 142 196056 0 0 3 0x14200 bored softnet 43433 81143 0 0 3 0x14200 bored systqmp 43435 373558 0 0 3 0x14200 bored systq 49210 428736 0 0 3 0x40014200 bored softclock 34647 511157 0 0 3 0x40014200 idle0 8213 98475 0 0 3 0x14200 bored smr 1 88837 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 9457 6326K 7297K 78643K 10885 0 pcb 13 10K 12K 78643K 31 0 rtable 101 2K 3K 78643K 222 0 ifaddr 43 10K 10K 78643K 47 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 26 0 iov 0 0K 2K 78643K 4 0 mount 1 1K 1K 78643K 1 0 vnodes 1227 77K 77K 78643K 1302 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 5 0 VM map 3 0K 0K 78643K 4 0 sem 12 0K 0K 78643K 22 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 105 0 sigio 0 0K 0K 78643K 8 0 proc 48 38K 63K 78643K 371 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 15 0 in_multi 29 1K 2K 78643K 41 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 36 159K 159K 78643K 36 0 exec 0 0K 1K 78643K 187 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 111 22K 30K 78643K 1144 0 UVM aobj 18 2K 2K 78643K 18 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 24 0 NDP 6 0K 0K 78643K 11 0 temp 105 3553K 3618K 78643K 3444 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 8 0 2 1 0 1 1 0 8 0 rtpcb 96 21 0 19 1 0 1 1 0 8 0 rtentry 112 55 0 13 2 0 2 2 0 8 0 unpcb 120 192 0 180 2 1 1 2 0 8 0 syncache 280 6 0 6 2 1 1 1 0 8 1 tcpqe 32 189 0 189 2 1 1 1 0 8 1 tcpcb 640 244 0 239 15 6 9 15 0 8 8 ipq 40 2 0 2 1 0 1 1 0 8 1 ipqe 40 90 0 90 1 0 1 1 0 8 1 inpcb 280 398 0 390 9 0 9 9 0 8 8 ip6q 72 1 0 1 1 0 1 1 0 8 1 ip6af 40 3 0 3 1 0 1 1 0 8 1 nd6 48 5 0 2 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 244 0 45 14 0 14 14 0 8 0 art_table 32 245 0 45 2 0 2 2 0 8 0 art_node 16 54 0 15 1 0 1 1 0 8 0 sysvmsgpl 40 77 0 57 1 0 1 1 0 8 0 semapl 112 20 0 10 1 0 1 1 0 8 0 shmpl 112 16 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1511 0 117 46 0 46 46 0 8 0 ffsino 240 1511 0 117 83 0 83 83 0 8 0 nchpl 144 1847 0 238 60 0 60 60 0 8 0 uvmvnodes 72 1632 0 0 30 0 30 30 0 8 0 vnodes 208 1632 0 0 86 0 86 86 0 8 0 namei 1024 4721 0 4721 1 0 1 1 0 8 1 vmpool 520 2 0 1 1 0 1 1 0 8 0 scxspl 208 5034 0 5034 8 4 4 7 0 8 4 plimitpl 152 30 0 23 1 0 1 1 0 8 0 sigapl 432 275 0 261 2 0 2 2 0 8 0 futexpl 56 3331 0 3328 1 0 1 1 0 8 0 knotepl 112 65 0 46 1 0 1 1 0 8 0 kqueuepl 104 144 0 142 4 0 4 4 0 8 3 pipepl 128 174 0 155 1 0 1 1 0 8 0 fdescpl 424 276 0 261 2 0 2 2 0 8 0 filepl 120 2051 0 1944 11 0 11 11 0 8 7 lockfpl 104 15 0 14 1 0 1 1 0 8 0 lockfspl 48 6 0 5 1 0 1 1 0 8 0 sessionpl 128 17 0 7 1 0 1 1 0 8 0 pgrppl 48 21 0 11 1 0 1 1 0 8 0 ucredpl 96 134 0 127 1 0 1 1 0 8 0 zombiepl 144 261 0 261 1 0 1 1 0 8 1 processpl 896 291 0 261 4 0 4 4 0 8 0 procpl 648 425 0 382 5 0 5 5 0 8 1 sosppl 144 4 0 2 2 1 1 1 0 8 0 sockpl 384 611 0 588 14 4 10 14 0 8 7 mcl64k 65536 8 0 8 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 6 0 6 1 0 1 1 0 8 1 mcl4k 4096 19 0 19 2 1 1 1 0 8 1 mcl2k 2048 65536 0 65511 15 9 6 12 0 8 2 mtagpl 80 11 0 2 2 1 1 1 0 8 0 mbufpl 256 105376 0 105253 26 9 17 23 0 8 7 bufpl 280 6185 0 1404 342 0 342 342 0 8 0 anonpl 16 49222 0 29215 90 1 89 89 0 62 6 amapchunkpl 152 1522 0 1351 12 1 11 11 0 158 4 amappl16 192 1546 0 400 58 0 58 58 0 8 0 amappl14 176 55 0 48 1 0 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 44 0 41 2 1 1 1 0 8 0 amappl11 152 53 0 41 1 0 1 1 0 8 0 amappl10 144 18 0 15 1 0 1 1 0 8 0 amappl9 136 596 0 591 1 0 1 1 0 8 0 amappl8 128 184 0 158 1 0 1 1 0 8 0 amappl7 120 31 0 28 1 0 1 1 0 8 0 amappl6 112 59 0 49 1 0 1 1 0 8 0 amappl5 104 176 0 165 1 0 1 1 0 8 0 amappl4 96 487 0 459 1 0 1 1 0 8 0 amappl3 88 112 0 105 1 0 1 1 0 8 0 amappl2 80 1428 0 1354 3 1 2 3 0 8 0 amappl1 72 14555 0 14128 26 17 9 20 0 8 0 amappl 80 687 0 633 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 17 0 0 1 0 1 1 0 8 0 uaddrrnd 24 278 0 261 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 278 0 261 1 0 1 1 0 8 0 vmmpekpl 168 6140 0 6115 2 0 2 2 0 8 0 vmmpepl 168 41112 0 38787 141 8 133 137 0 357 31 vmsppl 272 275 0 261 2 1 1 2 0 8 0 pdppl 4096 562 0 524 6 1 5 6 0 8 0 pvpl 32 150729 0 127568 206 0 206 206 0 265 14 pmappl 200 277 0 262 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 158 0 24 5 0 5 5 0 8 0