uvm_fault(0xffffffff824f9f80, 0xffff800000aa4000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at uvm_unmap_remove+0x3ef: movq 0x100(%rax),%r12 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xffffffff824f9f80, 0xffff800000aa4000, 0, 1) -> e uvm_unmap_remove(ffff800000aa3f00,0,80000000,ffff80001695c178,1,0) at uvm_unmap_remove+0x3ef uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000aa3f00,0,80000000,ffff80001695c178,1,0) at uvm_unmap_remove+0x3ef sys/uvm/uvm_map.c:2215 end trace frame: 0xffff80001695c1b0, count: 0 ddb> trace uvm_unmap_remove(ffff800000aa3f00,0,80000000,ffff80001695c178,1,0) at uvm_unmap_remove+0x3ef uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000aa3f00,0,80000000,ffff80001695c178,1,0) at uvm_unmap_remove+0x3ef sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000aa3f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff800016b4bc70,ffff8000ffff2018) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000aa2800,ffff8000ffff2018) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000aa2800,ffff8000ffff2018) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd8039f8b650,c5005601,ffff800000aa2800,41,fffffd803f7c6ba0,ffff8000ffff2018) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd802f8bea68,c5005601,ffff800000aa2800,ffff8000ffff2018) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff2018,ffff80001695c558,ffff80001695c5c0) at sys_ioctl+0x5b8 syscall(ffff80001695c620) at syscall+0x508 Xsyscall(6,0,ffffffffffffff59,0,3,c8cce32e010) at Xsyscall+0x128 end of kernel end trace frame: 0xc8f82cfd730, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001695c160 rbx 0 rdx 0x13d5 __ALIGN_SIZE+0x3d5 rcx 0xffff80001494b000 rax 0xffff800000aa3f00 r8 0x1 r9 0 r10 0x43a67988f60a413a r11 0x88bdec4ba99c2636 r12 0xfffffd802f4d3548 r13 0x80000000 __kernel_virt_to_phys r14 0 r15 0 rip 0xffffffff81f92e3f uvm_unmap_remove+0x3ef cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001695c0b0 ss 0x10 uvm_unmap_remove+0x3ef: movq 0x100(%rax),%r12 ddb> show proc PROC (syz-executor.1) pid=157819 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2c70,0xffffffff82583dc8 process=0xffff8000ffff6370 user=0xffff800016957000, vmspace=0xfffffd803f013ee0 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 43749 119522 95671 0 2 0 syz-executor.1 *43749 157819 95671 0 7 0x4000000 syz-executor.1 86599 248325 17504 0 2 0x480 syz-executor.0 86599 62347 17504 0 3 0x4000080 ttyin syz-executor.0 86599 9260 17504 0 3 0x4000080 fsleep syz-executor.0 95671 54836 42845 0 3 0x82 nanosleep syz-executor.1 66666 362432 0 0 3 0x14200 bored sosplice 17504 190273 42845 0 3 0x82 nanosleep syz-executor.0 42845 355533 6386 0 3 0x82 thrsleep syz-fuzzer 42845 80087 6386 0 3 0x4000082 thrsleep syz-fuzzer 42845 383287 6386 0 3 0x4000082 kqread syz-fuzzer 42845 481077 6386 0 3 0x4000082 thrsleep syz-fuzzer 42845 454049 6386 0 3 0x4000082 thrsleep syz-fuzzer 42845 89174 6386 0 3 0x4000082 thrsleep syz-fuzzer 42845 319904 6386 0 3 0x4000082 thrsleep syz-fuzzer 6386 484596 76198 0 3 0x10008a pause ksh 76198 459105 30043 0 3 0x92 select sshd 88305 323350 1 0 3 0x100083 ttyin getty 30043 19855 1 0 3 0x80 select sshd 10005 412563 95133 73 2 0x100090 syslogd 95133 503949 1 0 3 0x100082 netio syslogd 57988 351816 1 77 3 0x100090 poll dhclient 80990 458541 1 0 3 0x80 poll dhclient 35659 370018 0 0 2 0x14200 zerothread 5752 107335 0 0 3 0x14200 aiodoned aiodoned 74049 125934 0 0 3 0x14200 syncer update 1426 54367 0 0 3 0x14200 cleaner cleaner 72683 414033 0 0 3 0x14200 reaper reaper 44947 477288 0 0 3 0x14200 pgdaemon pagedaemon 17675 17787 0 0 3 0x14200 bored crynlk 52830 386213 0 0 3 0x14200 bored crypto 25473 104589 0 0 3 0x40014200 acpi0 acpi0 2131 388121 0 0 3 0x14200 bored softnet 48138 329828 0 0 3 0x14200 bored systqmp 10530 325541 0 0 3 0x14200 bored systq 81018 462389 0 0 3 0x40014200 bored softclock 70532 220470 0 0 3 0x40014200 idle0 52856 361410 0 0 3 0x14200 bored smr 1 227324 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 9467 6320K 6837K 78643K 10846 0 0 pcb 13 8K 8K 78643K 33 0 0 rtable 108 3K 4K 78643K 298 0 0 ifaddr 45 11K 11K 78643K 62 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 19 0 0 iov 0 0K 16K 78643K 20 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1215 76K 77K 78643K 1340 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 3 0 0 VM map 3 0K 0K 78643K 4 0 0 sem 12 0K 0K 78643K 15 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 174 0 0 proc 41 30K 46K 78643K 428 0 0 subproc 32 2K 2K 78643K 68 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 3 0 0 in_multi 33 2K 2K 78643K 57 0 0 ether_multi 1 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 42 185K 185K 78643K 42 0 0 exec 0 0K 1K 78643K 216 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 88 20K 22K 78643K 1247 0 0 UVM aobj 4 2K 2K 78643K 6 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 8 0 0 NDP 10 0K 0K 78643K 19 0 0 temp 106 3525K 3589K 78643K 5513 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 10 0 4 1 0 1 1 0 8 0 rtpcb 80 27 0 25 1 0 1 1 0 8 0 rtentry 112 67 0 23 2 0 2 2 0 8 0 unpcb 120 47 0 39 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 2894 0 2894 1 1 0 1 0 8 0 tcpcb 544 30 0 26 1 0 1 1 0 8 0 inpcb 280 96 0 89 1 0 1 1 0 8 0 nd6 48 12 0 6 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 0 1 1 0 8 1 ppxss 1128 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 277 0 88 12 0 12 12 0 8 0 art_table 32 278 0 88 2 0 2 2 0 8 0 art_node 16 66 0 26 1 0 1 1 0 8 0 semapl 112 13 0 3 1 0 1 1 0 8 0 shmpl 112 4 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1623 0 205 47 0 47 47 0 8 0 ffsino 240 1623 0 205 84 0 84 84 0 8 0 nchpl 144 2046 0 420 62 0 62 62 0 8 1 uvmvnodes 72 1758 0 0 32 0 32 32 0 8 0 vnodes 200 1758 0 0 93 0 93 93 0 8 0 namei 1024 5530 0 5530 2 1 1 1 0 8 1 vmpool 520 2 0 1 1 0 1 1 0 8 0 scxspl 192 5272 0 5272 8 1 7 7 0 8 7 plimitpl 152 20 0 13 1 0 1 1 0 8 0 sigapl 432 339 0 325 2 0 2 2 0 8 0 futexpl 56 1792 0 1791 1 0 1 1 0 8 0 knotepl 112 111 0 92 1 0 1 1 0 8 0 kqueuepl 104 29 0 27 1 0 1 1 0 8 0 pipepl 112 182 0 163 1 0 1 1 0 8 0 fdescpl 424 340 0 325 2 0 2 2 0 8 0 filepl 120 1662 0 1562 4 0 4 4 0 8 0 lockfpl 104 44 0 44 2 1 1 1 0 8 1 lockfspl 48 17 0 17 2 1 1 1 0 8 1 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 96 142 0 135 1 0 1 1 0 8 0 zombiepl 144 325 0 325 2 1 1 1 0 8 1 processpl 864 355 0 325 4 0 4 4 0 8 0 procpl 632 502 0 463 4 0 4 4 0 8 0 sockpl 384 174 0 157 3 0 3 3 0 8 1 mcl64k 65536 12 0 12 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl9k 9216 4 0 4 1 0 1 1 0 8 1 mcl8k 8192 1 0 1 1 1 0 1 0 8 0 mcl4k 4096 12 0 12 2 1 1 1 0 8 1 mcl2k 2048 58861 0 58812 16 9 7 15 0 8 0 mtagpl 80 4 0 2 2 1 1 1 0 8 0 mbufpl 256 94506 0 94399 11 1 10 10 0 8 1 bufpl 256 7089 0 1411 355 0 355 355 0 8 0 anonpl 16 48571 0 38688 68 2 66 66 0 62 17 amapchunkpl 152 1920 0 1811 16 1 15 15 0 158 10 amappl16 192 1400 0 738 41 0 41 41 0 8 7 amappl15 184 56 0 52 1 0 1 1 0 8 0 amappl14 176 111 0 103 1 0 1 1 0 8 0 amappl13 168 22 0 22 2 1 1 1 0 8 1 amappl12 160 6 0 4 2 1 1 1 0 8 0 amappl11 152 59 0 48 1 0 1 1 0 8 0 amappl10 144 72 0 68 1 0 1 1 0 8 0 amappl9 136 582 0 579 1 0 1 1 0 8 0 amappl8 128 165 0 144 1 0 1 1 0 8 0 amappl7 120 49 0 43 1 0 1 1 0 8 0 amappl6 112 53 0 47 1 0 1 1 0 8 0 amappl5 104 176 0 166 1 0 1 1 0 8 0 amappl4 96 568 0 539 1 0 1 1 0 8 0 amappl3 88 208 0 198 1 0 1 1 0 8 0 amappl2 80 1793 0 1717 3 1 2 3 0 8 0 amappl1 72 15751 0 15330 25 16 9 19 0 8 0 amappl 80 752 0 714 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 5 0 2 1 0 1 1 0 8 0 uaddrrnd 24 342 0 325 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 342 0 325 1 0 1 1 0 8 0 vmmpekpl 168 6497 0 6474 2 0 2 2 0 8 0 vmmpepl 168 47870 0 46054 107 9 98 98 0 357 19 vmsppl 272 339 0 325 2 1 1 2 0 8 0 pdppl 4096 690 0 652 6 1 5 6 0 8 0 pvpl 32 187129 0 174071 254 1 253 253 0 265 129 pmappl 200 341 0 326 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 500 0 17 15 0 15 15 0 8 0