uvm_fault(0xffffffff8253beb0, 0xffff800000a2e000, 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(0xffffffff8253beb0, 0xffff800000a2e000, 0, 1) -> e uvm_unmap_remove(ffff800000a2df00,0,1000,ffff800015741e00,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a2df00,0,1000,ffff800015741e00,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800015741eb0, count: 0 ddb> trace uvm_unmap_remove(ffff800000a2df00,0,1000,ffff800015741e00,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a2df00,0,1000,ffff800015741e00,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000a2df00,0,7,fffffd803f012220,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff800016b5cc30,ffff8000ffff2ee8) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a03800,ffff8000ffff2ee8) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a03800,ffff8000ffff2ee8) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803d950000,c5005601,ffff800000a03800,1,fffffd803f7c6a20,ffff8000ffff2ee8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8038979c48,c5005601,ffff800000a03800,ffff8000ffff2ee8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff2ee8,ffff800015742258,ffff8000157422a0) at sys_ioctl+0x5b9 syscall(ffff800015742320) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x44edf893090, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800015741dd0 rbx 0 rdx 0x36b rcx 0xffff8000179ab000 rax 0xffff800000a2df00 r8 0 r9 0x1 r10 0x1e5e2b8c617e410b r11 0x1972648f2c60e2f0 r12 0 r13 0xfffffd802ebcdc10 r14 0x1000 __ALIGN_SIZE r15 0xffff800000a2df00 rip 0xffffffff818c51eb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800015741d20 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=162710 stat=onproc flags process=0 proc=4000000 pri=75, usrpri=75, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2290,0xffffffff825770b0 process=0xffff8000148b37b8 user=0xffff80001573d000, vmspace=0xfffffd803f012220 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 83446 227324 6055 0 2 0 syz-executor.0 *83446 162710 6055 0 7 0x4000000 syz-executor.0 80304 287419 8078 0 3 0x80 nanosleep syz-executor.1 80304 43516 8078 0 3 0x4000080 fsleep syz-executor.1 80304 362629 8078 0 3 0x4000080 wsevent_read syz-executor.1 6055 280074 29026 0 3 0x82 nanosleep syz-executor.0 8078 471851 29026 0 3 0x82 nanosleep syz-executor.1 63528 338413 0 0 3 0x14200 acct acct 7380 264335 0 0 3 0x14200 bored sosplice 29026 317604 69900 0 3 0x82 thrsleep syz-fuzzer 29026 332818 69900 0 3 0x4000082 thrsleep syz-fuzzer 29026 509095 69900 0 3 0x4000082 thrsleep syz-fuzzer 29026 114095 69900 0 3 0x4000082 thrsleep syz-fuzzer 29026 97712 69900 0 3 0x4000082 thrsleep syz-fuzzer 29026 311820 69900 0 3 0x4000082 kqread syz-fuzzer 29026 203484 69900 0 3 0x4000082 thrsleep syz-fuzzer 29026 333974 69900 0 3 0x4000082 thrsleep syz-fuzzer 69900 210827 94954 0 3 0x10008a pause ksh 94954 106066 50025 0 3 0x92 select sshd 53284 320215 1 0 3 0x100083 ttyin getty 50025 146941 1 0 3 0x80 select sshd 31839 273169 724 73 2 0x100010 syslogd 724 139928 1 0 3 0x100082 netio syslogd 84120 452444 1 77 3 0x100090 poll dhclient 73915 215832 1 0 3 0x80 poll dhclient 49916 319577 0 0 2 0x14200 zerothread 3482 151055 0 0 3 0x14200 aiodoned aiodoned 19914 155316 0 0 3 0x14200 syncer update 71094 494612 0 0 3 0x14200 cleaner cleaner 80995 420257 0 0 3 0x14200 reaper reaper 74636 171910 0 0 3 0x14200 pgdaemon pagedaemon 11641 428476 0 0 3 0x14200 bored crynlk 60810 496997 0 0 3 0x14200 bored crypto 52353 308555 0 0 3 0x40014200 acpi0 acpi0 37750 359234 0 0 3 0x14200 bored softnet 61229 198568 0 0 3 0x14200 bored systqmp 5432 380941 0 0 3 0x14200 bored systq 82036 438752 0 0 3 0x40014200 bored softclock 21031 28960 0 0 3 0x40014200 idle0 90304 190058 0 0 3 0x14200 bored smr 1 222147 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 9512 6362K 7907K 78643K 13152 0 pcb 13 8K 9K 78643K 127 0 rtable 106 3K 4K 78643K 395 0 ifaddr 82 16K 16K 78643K 137 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 56 0 iov 0 0K 28K 78643K 120 0 mount 1 1K 1K 78643K 1 0 vnodes 1231 77K 77K 78643K 1899 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 13 3K 3K 78643K 16 0 sem 12 0K 1K 78643K 102 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 435 0 sigio 0 0K 0K 78643K 18 0 proc 48 38K 63K 78643K 462 0 subproc 32 2K 2K 78643K 68 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 39 0 in_multi 91 4K 5K 78643K 138 0 ether_multi 1 0K 0K 78643K 7 0 mrt 0 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 60 265K 265K 78643K 60 0 exec 0 0K 1K 78643K 264 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 137 104K 104K 78643K 1984 0 UVM aobj 43 4K 4K 78643K 43 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 99 0 NDP 13 0K 0K 78643K 28 0 temp 138 3019K 3091K 78643K 21548 0 kqueue 0 0K 0K 78643K 3 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 16 0 10 1 0 1 1 0 8 0 rtpcb 80 60 0 58 1 0 1 1 0 8 0 rtentry 112 89 0 46 2 0 2 2 0 8 0 unpcb 120 387 0 376 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 0 1 1 0 8 1 tcpqe 32 176 0 176 1 1 0 1 0 8 0 tcpcb 544 294 0 290 4 3 1 3 0 8 0 ipq 40 5 0 5 1 1 0 1 0 8 0 ipqe 40 59 0 59 1 1 0 1 0 8 0 inpcb 280 998 0 991 6 2 4 4 0 8 3 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 9 0 6 1 0 1 1 0 8 0 ppxss 1128 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 390 0 181 16 1 15 16 0 8 0 art_table 32 392 0 181 3 0 3 3 0 8 0 art_node 16 88 0 48 1 0 1 1 0 8 0 sysvmsgpl 40 31 0 19 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 100 0 90 1 0 1 1 0 8 0 shmpl 112 41 0 0 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1994 0 591 46 0 46 46 0 8 0 ffsino 240 1994 0 591 83 0 83 83 0 8 0 nchpl 144 2811 0 1209 60 0 60 60 0 8 0 uvmvnodes 72 2632 0 0 48 0 48 48 0 8 0 vnodes 208 2632 0 0 139 0 139 139 0 8 0 namei 1024 8427 0 8427 1 0 1 1 0 8 1 vcpupl 1984 10 0 0 2 0 2 2 0 8 0 vmpool 520 14 0 3 1 0 1 1 0 8 0 scxspl 192 8782 0 8782 9 8 1 7 0 8 1 plimitpl 152 51 0 44 1 0 1 1 0 8 0 sigapl 432 600 0 586 2 0 2 2 0 8 0 futexpl 56 12742 0 12741 1 0 1 1 0 8 0 knotepl 112 187 0 168 3 2 1 3 0 8 0 kqueuepl 104 201 0 198 1 0 1 1 0 8 0 pipepl 128 492 0 473 3 1 2 2 0 8 1 fdescpl 424 601 0 586 2 0 2 2 0 8 0 filepl 120 5223 0 5122 8 2 6 6 0 8 2 lockfpl 104 151 0 150 1 0 1 1 0 8 0 lockfspl 48 52 0 51 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 573 0 566 1 0 1 1 0 8 0 zombiepl 144 586 0 586 1 0 1 1 0 8 1 processpl 864 617 0 586 4 0 4 4 0 8 0 procpl 632 1134 0 1093 4 0 4 4 0 8 0 sosppl 128 4 0 4 1 1 0 1 0 8 0 sockpl 384 1463 0 1443 10 3 7 7 0 8 3 mcl64k 65536 81 0 81 4 2 2 4 0 8 2 mcl16k 16384 8 0 8 2 1 1 1 0 8 1 mcl12k 12288 9 0 9 2 1 1 1 0 8 1 mcl9k 9216 7 0 7 2 1 1 1 0 8 1 mcl8k 8192 21 0 21 2 1 1 1 0 8 1 mcl4k 4096 66 0 66 2 1 1 1 0 8 1 mcl2k2 2112 4 0 4 2 1 1 1 0 8 1 mcl2k 2048 67936 0 67885 18 10 8 14 0 8 0 mtagpl 80 30 0 23 2 1 1 1 0 8 0 mbufpl 256 116833 0 116714 38 25 13 34 0 8 3 bufpl 280 7674 0 2681 357 0 357 357 0 8 0 anonpl 16 94187 0 71684 110 13 97 98 0 62 3 amapchunkpl 152 3000 0 2732 13 1 12 12 0 158 1 amappl16 192 3958 0 2797 80 17 63 67 0 8 4 amappl15 184 54 0 50 1 0 1 1 0 8 0 amappl14 176 111 0 107 1 0 1 1 0 8 0 amappl13 168 2 0 1 1 0 1 1 0 8 0 amappl12 160 191 0 187 2 1 1 1 0 8 0 amappl11 152 54 0 43 1 0 1 1 0 8 0 amappl10 144 158 0 156 2 1 1 1 0 8 0 amappl9 136 560 0 557 1 0 1 1 0 8 0 amappl8 128 145 0 119 1 0 1 1 0 8 0 amappl7 120 231 0 220 1 0 1 1 0 8 0 amappl6 112 59 0 52 1 0 1 1 0 8 0 amappl5 104 370 0 359 1 0 1 1 0 8 0 amappl4 96 821 0 789 1 0 1 1 0 8 0 amappl3 88 202 0 193 1 0 1 1 0 8 0 amappl2 80 3884 0 3802 3 1 2 3 0 8 0 amappl1 72 20670 0 20215 25 16 9 20 0 8 0 amappl 80 1417 0 1362 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 42 0 0 1 0 1 1 0 8 0 uaddrrnd 24 615 0 586 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 615 0 586 1 0 1 1 0 8 0 vmmpekpl 168 8117 0 8089 2 0 2 2 0 8 0 vmmpepl 168 81304 0 78889 164 25 139 139 0 357 34 vmsppl 272 600 0 586 2 1 1 2 0 8 0 pdppl 4096 1236 0 1188 8 1 7 7 0 8 0 pvpl 32 254483 0 228100 232 15 217 222 0 265 4 pmappl 200 614 0 589 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 187 0 48 5 0 5 5 0 8 0