uvm_fault(0xffffffff824f4d70, 0xffff800000b2b000, 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(0xffffffff824f4d70, 0xffff800000b2b000, 0, 1) -> e uvm_unmap_remove(ffff800000b2af00,0,80000000,ffff80001694bb08,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000b2af00,0,80000000,ffff80001694bb08,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 end trace frame: 0xffff80001694bb40, count: 0 ddb> trace uvm_unmap_remove(ffff800000b2af00,0,80000000,ffff80001694bb08,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000b2af00,0,80000000,ffff80001694bb08,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000b2af00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff80001591f470,ffff8000ffff2018) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000b36000,ffff8000ffff2018) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000b36000,ffff8000ffff2018) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd8037688750,c5005601,ffff800000b36000,1,fffffd803f7c6a20,ffff8000ffff2018) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802be6bf10,c5005601,ffff800000b36000,ffff8000ffff2018) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff2018,ffff80001694bee8,ffff80001694bf30) at sys_ioctl+0x5b9 syscall(ffff80001694bfb0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,d33c2221010) at Xsyscall+0x128 end of kernel end trace frame: 0xd363f1a88c0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001694baf0 rbx 0 rdx 0x1ae7 __ALIGN_SIZE+0xae7 rcx 0xffff800015b3b000 rax 0xffff800000b2af00 r8 0x1 r9 0 r10 0x7e5326918867dab9 r11 0x2c61ce0f61fa6146 r12 0 r13 0xfffffd802e7ecaa0 r14 0 r15 0xffff800000b2af00 rip 0xffffffff8211656b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001694ba40 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=236410 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2508,0xffffffff8256ac80 process=0xffff8000ffff6010 user=0xffff800016947000, vmspace=0xfffffd803f013110 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 94985 269459 8684 0 2 0 syz-executor.1 *94985 236410 8684 0 7 0x4000000 syz-executor.1 25028 453944 99307 0 2 0 syz-executor.0 25028 59022 99307 0 2 0x4000000 syz-executor.0 99307 147432 9413 0 2 0x482 syz-executor.0 8684 129630 9413 0 2 0x482 syz-executor.1 61829 96816 1 0 3 0x100083 ttyin getty 39327 75546 0 0 3 0x14200 acct acct 44263 438066 0 0 3 0x14200 bored sosplice 9413 132105 61444 0 3 0x82 thrsleep syz-fuzzer 9413 429158 61444 0 3 0x4000082 thrsleep syz-fuzzer 9413 310413 61444 0 3 0x4000082 thrsleep syz-fuzzer 9413 490448 61444 0 3 0x4000082 thrsleep syz-fuzzer 9413 34750 61444 0 3 0x4000082 kqread syz-fuzzer 9413 385859 61444 0 3 0x4000082 thrsleep syz-fuzzer 9413 287532 61444 0 3 0x4000082 thrsleep syz-fuzzer 61444 348724 28161 0 3 0x10008a pause ksh 28161 277511 17424 0 3 0x92 select sshd 17424 267298 1 0 3 0x80 select sshd 56093 197567 77013 73 2 0x100090 syslogd 77013 293225 1 0 3 0x100082 netio syslogd 53047 510453 1 77 3 0x100090 poll dhclient 22914 519466 1 0 3 0x80 poll dhclient 60082 446716 0 0 2 0x14200 zerothread 16185 169921 0 0 3 0x14200 aiodoned aiodoned 86237 188568 0 0 3 0x14200 syncer update 5808 140246 0 0 3 0x14200 cleaner cleaner 62919 204596 0 0 3 0x14200 reaper reaper 29118 452189 0 0 3 0x14200 pgdaemon pagedaemon 41363 459933 0 0 3 0x14200 bored crynlk 99650 143984 0 0 3 0x14200 bored crypto 38732 520679 0 0 3 0x40014200 acpi0 acpi0 99007 142492 0 0 3 0x14200 bored softnet 73171 293828 0 0 3 0x14200 bored systqmp 1181 505543 0 0 3 0x14200 bored systq 8835 495388 0 0 3 0x40014200 bored softclock 83992 421623 0 0 3 0x40014200 idle0 90036 23627 0 0 3 0x14200 bored smr 1 433793 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 9548 6365K 9882K 78643K 26967 0 0 pcb 13 8K 8K 78643K 272 0 0 rtable 103 3K 4K 78643K 847 0 0 ifaddr 69 15K 16K 78643K 287 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 120 0 0 iov 0 0K 16K 78643K 255 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1247 78K 79K 78643K 5501 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 41 0 0 VM map 3 0K 0K 78643K 11 0 0 sem 12 0K 1K 78643K 281 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 2225 0 0 sigio 0 0K 0K 78643K 20 0 0 proc 49 38K 63K 78643K 916 0 0 subproc 32 2K 2K 78643K 172 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 623 0 0 in_multi 29 1K 2K 78643K 226 0 0 ether_multi 1 0K 0K 78643K 21 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 102 450K 450K 78643K 102 0 0 exec 0 0K 1K 78643K 454 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 103 21K 30K 78643K 6287 0 0 UVM aobj 113 4K 4K 78643K 133 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 243 0 0 NDP 18 0K 0K 78643K 87 0 0 temp 198 3536K 3607K 78643K 43243 0 0 kqueue 0 0K 0K 78643K 22 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 22 0 16 1 0 1 1 0 8 0 rtpcb 80 143 0 141 1 0 1 1 0 8 0 rtentry 112 120 0 80 2 0 2 2 0 8 0 unpcb 120 872 0 856 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 1 0 1 0 8 0 tcpqe 32 2223 0 2223 1 1 0 1 0 8 0 tcpcb 544 894 0 890 5 4 1 2 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 4 0 4 1 1 0 1 0 8 0 inpcb 280 1842 0 1835 10 8 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 18 0 15 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1128 38 0 38 5 4 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 555 0 354 18 4 14 15 0 8 1 art_table 32 556 0 354 2 0 2 2 0 8 0 art_node 16 119 0 82 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 6 1 0 1 1 0 8 0 semapl 112 279 0 269 1 0 1 1 0 8 0 shmpl 112 131 0 20 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 4769 0 3373 46 0 46 46 0 8 0 ffsino 240 4769 0 3373 83 0 83 83 0 8 0 nchpl 144 8340 0 6722 61 0 61 61 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 208 5926 0 0 312 0 312 312 0 8 0 namei 1024 31287 0 31287 4 3 1 1 0 8 1 vmpool 520 9 0 8 5 4 1 1 0 8 0 scxspl 192 22187 0 22187 11 10 1 7 0 8 1 plimitpl 152 188 0 181 1 0 1 1 0 8 0 sigapl 432 2374 0 2360 2 0 2 2 0 8 0 futexpl 56 53367 0 53367 2 1 1 1 0 8 1 knotepl 112 630 0 611 2 1 1 2 0 8 0 kqueuepl 104 504 0 502 1 0 1 1 0 8 0 pipepl 112 1180 0 1161 5 4 1 2 0 8 0 fdescpl 424 2375 0 2360 2 0 2 2 0 8 0 filepl 120 20142 0 20045 9 5 4 5 0 8 0 lockfpl 104 894 0 893 1 0 1 1 0 8 0 lockfspl 48 295 0 294 1 0 1 1 0 8 0 sessionpl 112 27 0 17 1 0 1 1 0 8 0 pgrppl 48 35 0 25 1 0 1 1 0 8 0 ucredpl 96 3099 0 3092 1 0 1 1 0 8 0 zombiepl 144 2362 0 2362 3 2 1 1 0 8 1 processpl 864 2393 0 2362 4 0 4 4 0 8 0 procpl 632 5195 0 5156 4 0 4 4 0 8 0 sosppl 128 25 0 25 7 7 0 1 0 8 0 sockpl 384 2892 0 2867 12 8 4 5 0 8 0 mcl64k 65536 338 0 338 41 31 10 33 0 8 10 mcl16k 16384 10 0 10 9 9 0 1 0 8 0 mcl12k 12288 41 0 41 7 7 0 1 0 8 0 mcl9k 9216 28 0 28 10 9 1 1 0 8 1 mcl8k 8192 53 0 53 10 9 1 1 0 8 1 mcl4k 4096 219 0 219 5 4 1 1 0 8 1 mcl2k2 2112 21 0 21 10 9 1 1 0 8 1 mcl2k 2048 63321 0 63270 18 10 8 14 0 8 1 mtagpl 80 54 0 54 3 2 1 1 0 8 1 mbufpl 256 113916 0 113811 27 18 9 22 0 8 0 bufpl 256 10315 0 5169 322 0 322 322 0 8 0 anonpl 16 240247 0 229173 124 54 70 72 0 62 12 amapchunkpl 152 11368 0 11260 36 30 6 12 0 158 0 amappl16 192 12014 0 11222 109 64 45 51 0 8 5 amappl15 184 1085 0 1083 3 2 1 1 0 8 0 amappl14 176 400 0 396 2 1 1 1 0 8 0 amappl13 168 140 0 139 1 0 1 1 0 8 0 amappl12 160 19 0 17 1 0 1 1 0 8 0 amappl11 152 67 0 56 1 0 1 1 0 8 0 amappl10 144 417 0 417 2 2 0 1 0 8 0 amappl9 136 1118 0 1112 1 0 1 1 0 8 0 amappl8 128 742 0 712 2 0 2 2 0 8 1 amappl7 120 480 0 474 1 0 1 1 0 8 0 amappl6 112 90 0 80 1 0 1 1 0 8 0 amappl5 104 312 0 301 1 0 1 1 0 8 0 amappl4 96 2416 0 2385 1 0 1 1 0 8 0 amappl3 88 569 0 563 1 0 1 1 0 8 0 amappl2 80 18571 0 18496 4 2 2 3 0 8 0 amappl1 72 51332 0 50913 27 18 9 20 0 8 0 amappl 80 5550 0 5513 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 64 132 0 20 2 0 2 2 0 8 0 uaddrrnd 24 2384 0 2360 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2384 0 2360 1 0 1 1 0 8 0 vmmpekpl 168 17597 0 17567 2 0 2 2 0 8 0 vmmpepl 168 284695 0 282749 233 124 109 109 0 357 21 vmsppl 272 2374 0 2360 2 1 1 2 0 8 0 pdppl 4096 4774 0 4736 6 1 5 6 0 8 0 pvpl 32 630030 0 615866 275 104 171 177 0 265 30 pmappl 200 2383 0 2368 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 556 0 96 15 0 15 15 0 8 0