uvm_fault(0xffffffff8254f790, 0xffff800000ba4000, 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(0xffffffff8254f790, 0xffff800000ba4000, 0, 1) -> e uvm_unmap_remove(ffff800000ba3f00,0,80000000,ffff80001593ebd8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000ba3f00,0,80000000,ffff80001593ebd8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff80001593ec10, count: 0 ddb> trace uvm_unmap_remove(ffff800000ba3f00,0,80000000,ffff80001593ebd8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000ba3f00,0,80000000,ffff80001593ebd8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000ba3f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff800014d31cc0,ffff800014d32290) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000b2e000,ffff800014d32290) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1375 [inline] vm_create(ffff800000b2e000,ffff800014d32290) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd8036a484e0,c5005601,ffff800000b2e000,1,fffffd803f7c6a80,ffff800014d32290) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd80375c0878,c5005601,ffff800000b2e000,ffff800014d32290) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff800014d32290,ffff80001593efb8,ffff80001593f000) at sys_ioctl+0x5b9 syscall(ffff80001593f080) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,43ec655010) at Xsyscall+0x128 end of kernel end trace frame: 0x45efc55a80, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001593ebc0 rbx 0 rdx 0x170f __ALIGN_SIZE+0x70f rcx 0xffff800014919000 rax 0xffff800000ba3f00 r8 0x1 r9 0 r10 0x52bf2be68469dcae r11 0x1fdf45a9614fa559 r12 0 r13 0xfffffd8037919220 r14 0 r15 0xffff800000ba3f00 rip 0xffffffff815451bb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001593eb10 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=259406 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff800014d329f8,0xffffffff8258e3e0 process=0xffff8000ffff7450 user=0xffff80001593a000, vmspace=0xfffffd803f013880 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 213 359734 68423 0 2 0 syz-executor.1 * 213 259406 68423 0 7 0x4000000 syz-executor.1 10196 81946 79772 0 2 0 syz-executor.0 10196 266673 79772 0 3 0x4000080 fsleep syz-executor.0 7025 419336 0 0 3 0x14200 acct acct 68423 313424 13599 0 2 0x482 syz-executor.1 34118 523432 1 0 3 0x100083 ttyin getty 79772 243732 13599 0 3 0x82 nanosleep syz-executor.0 24142 88465 0 0 3 0x14200 bored sosplice 13599 271695 31396 0 3 0x82 thrsleep syz-fuzzer 13599 394449 31396 0 3 0x4000082 thrsleep syz-fuzzer 13599 214806 31396 0 3 0x4000082 kqread syz-fuzzer 13599 111634 31396 0 3 0x4000082 thrsleep syz-fuzzer 13599 200152 31396 0 3 0x4000082 thrsleep syz-fuzzer 13599 458524 31396 0 3 0x4000082 thrsleep syz-fuzzer 13599 157896 31396 0 3 0x4000082 thrsleep syz-fuzzer 31396 131896 95024 0 3 0x10008a pause ksh 95024 264502 55044 0 3 0x92 select sshd 55044 88367 1 0 3 0x80 select sshd 97657 518253 42475 73 2 0x100090 syslogd 42475 212008 1 0 3 0x100082 netio syslogd 1304 56560 1 77 3 0x100090 poll dhclient 74286 173192 1 0 3 0x80 poll dhclient 96020 107298 0 0 2 0x14200 zerothread 32715 338731 0 0 3 0x14200 aiodoned aiodoned 41187 415661 0 0 3 0x14200 syncer update 22987 71858 0 0 3 0x14200 cleaner cleaner 23550 477792 0 0 3 0x14200 reaper reaper 39505 420649 0 0 3 0x14200 pgdaemon pagedaemon 42737 488234 0 0 3 0x14200 bored crynlk 78999 110522 0 0 3 0x14200 bored crypto 18094 262632 0 0 3 0x40014200 acpi0 acpi0 14478 193706 0 0 3 0x14200 bored softnet 48413 80421 0 0 3 0x14200 bored systqmp 66642 228327 0 0 3 0x14200 bored systq 94044 510730 0 0 3 0x40014200 bored softclock 72585 524037 0 0 3 0x40014200 idle0 82522 303305 0 0 3 0x14200 bored smr 1 513946 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 9591 6510K 7665K 78643K 33285 0 0 pcb 13 8K 9K 78643K 1229 0 0 rtable 124 12K 14K 78643K 2999 0 0 ifaddr 86 24K 29K 78643K 1060 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 480 0 0 iov 0 0K 32K 78643K 1167 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1207 76K 77K 78643K 10509 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 156 0 0 VM map 3 0K 0K 78643K 25 0 0 sem 12 0K 1K 78643K 2437 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 10468 0 0 sigio 0 0K 0K 78643K 190 0 0 proc 50 38K 63K 78643K 2511 0 0 subproc 32 2K 2K 78643K 601 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 950 0 0 in_multi 38 2K 2K 78643K 689 0 0 ether_multi 1 0K 0K 78643K 40 0 0 mrt 0 0K 0K 78643K 25 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 198 874K 874K 78643K 198 0 0 exec 0 0K 1K 78643K 1555 0 0 pfkey data 0 0K 1K 78643K 6 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 131 23K 32K 78643K 25634 0 0 UVM aobj 130 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 1K 78643K 1228 0 0 NDP 18 0K 1K 78643K 327 0 0 temp 212 3536K 4176K 78643K 127024 0 0 kqueue 0 0K 0K 78643K 94 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 50 0 44 1 0 1 1 0 8 0 rtpcb 80 575 0 573 1 0 1 1 0 8 0 rtentry 112 371 0 326 2 0 2 2 0 8 0 unpcb 120 5427 0 5403 18 16 2 2 0 8 1 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 6118 0 6118 1 1 0 1 0 8 0 tcpcb 544 2115 0 2111 1 0 1 1 0 8 0 ipq 40 18 0 18 8 8 0 1 0 8 0 ipqe 40 44 0 44 8 8 0 1 0 8 0 inpcb 280 23210 0 23199 28 26 2 3 0 8 1 rttmr 72 3 0 3 2 2 0 1 0 8 0 nd6 48 68 0 64 1 0 1 1 0 8 0 pkpcb 40 68 0 68 25 25 0 1 0 8 0 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 158 0 158 44 43 1 1 0 8 1 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 1648 0 1429 25 10 15 15 0 8 0 art_table 32 1650 0 1430 2 0 2 2 0 8 0 art_node 16 356 0 316 1 0 1 1 0 8 0 sysvmsgpl 40 42 0 31 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 2435 0 2425 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 17306 0 15910 46 0 46 46 0 8 0 ffsino 240 17306 0 15910 83 0 83 83 0 8 0 nchpl 144 31585 0 29957 61 0 61 61 0 8 0 uvmvnodes 72 8200 0 0 150 0 150 150 0 8 0 vnodes 208 8200 0 0 432 0 432 432 0 8 0 namei 1024 103248 0 103248 7 6 1 1 0 8 1 vmpool 520 23 0 22 11 10 1 1 0 8 0 scsiplug 64 13 0 13 10 10 0 1 0 8 0 scxspl 192 103529 0 103529 30 29 1 7 0 8 1 plimitpl 152 867 0 860 1 0 1 1 0 8 0 sigapl 432 10548 0 10534 2 0 2 2 0 8 0 futexpl 56 223014 0 223013 6 5 1 1 0 8 0 knotepl 112 2637 0 2618 8 7 1 3 0 8 0 kqueuepl 104 2612 0 2610 1 0 1 1 0 8 0 pipepl 112 5030 0 5011 20 18 2 2 0 8 1 fdescpl 424 10549 0 10534 2 0 2 2 0 8 0 filepl 120 81397 0 81299 39 35 4 7 0 8 0 lockfpl 104 3034 0 3033 1 0 1 1 0 8 0 lockfspl 48 1013 0 1012 1 0 1 1 0 8 0 sessionpl 112 58 0 48 1 0 1 1 0 8 0 pgrppl 48 817 0 807 1 0 1 1 0 8 0 ucredpl 96 11894 0 11887 1 0 1 1 0 8 0 zombiepl 144 10540 0 10540 3 2 1 1 0 8 1 processpl 864 10571 0 10540 4 0 4 4 0 8 0 procpl 632 23227 0 23188 5 1 4 5 0 8 0 sosppl 128 154 0 154 29 28 1 1 0 8 1 sockpl 384 29561 0 29526 72 67 5 9 0 8 0 mcl64k 65536 1832 0 1832 186 185 1 64 0 8 1 mcl16k 16384 131 0 131 42 41 1 1 0 8 1 mcl12k 12288 258 0 258 31 30 1 1 0 8 1 mcl9k 9216 216 0 216 28 27 1 1 0 8 1 mcl8k 8192 1738 0 1738 7 6 1 1 0 8 1 mcl4k 4096 1478 0 1478 8 7 1 1 0 8 1 mcl2k2 2112 35 0 35 21 20 1 1 0 8 1 mcl2k 2048 76139 0 76095 36 29 7 14 0 8 0 mtagpl 80 306 0 298 4 3 1 1 0 8 0 mbufpl 256 232144 0 232026 146 135 11 44 0 8 0 bufpl 256 29980 0 21532 529 0 529 529 0 8 0 anonpl 16 1007783 0 993875 397 330 67 107 0 62 2 amapchunkpl 152 47272 0 47165 135 129 6 34 0 158 0 amappl16 192 55419 0 54593 381 330 51 64 0 8 8 amappl15 184 2073 0 2073 4 3 1 1 0 8 1 amappl14 176 764 0 760 2 1 1 1 0 8 0 amappl13 168 2735 0 2735 7 7 0 1 0 8 0 amappl12 160 2000 0 1997 1 0 1 1 0 8 0 amappl11 152 515 0 498 1 0 1 1 0 8 0 amappl10 144 1272 0 1272 6 6 0 1 0 8 0 amappl9 136 2210 0 2204 1 0 1 1 0 8 0 amappl8 128 1817 0 1767 3 1 2 2 0 8 0 amappl7 120 1403 0 1397 1 0 1 1 0 8 0 amappl6 112 463 0 446 1 0 1 1 0 8 0 amappl5 104 2451 0 2439 1 0 1 1 0 8 0 amappl4 96 12093 0 12061 1 0 1 1 0 8 0 amappl3 88 2095 0 2090 1 0 1 1 0 8 0 amappl2 80 85007 0 84934 4 2 2 3 0 8 0 amappl1 72 195284 0 194867 28 19 9 20 0 8 0 amappl 80 23994 0 23957 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 3 3 0 3 3 0 8 0 uaddrrnd 24 10572 0 10534 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 10572 0 10534 1 0 1 1 0 8 0 vmmpekpl 168 62612 0 62585 2 0 2 2 0 8 0 vmmpepl 168 1235233 0 1233227 569 454 115 119 0 357 25 vmsppl 272 10548 0 10534 5 4 1 2 0 8 0 pdppl 4096 21150 0 21112 6 1 5 6 0 8 0 pvpl 32 2863114 0 2845989 888 655 233 348 0 265 79 pmappl 200 10571 0 10556 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 1088 0 427 20 1 19 19 0 8 0