uvm_fault(0xffffffff8251ab00, 0xfffffd0000000018, 0, 1) -> e kernel: page fault trap, code=0 Stopped at sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff8251ab00, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800021bbcea8,ffff800021bbcf30,990) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 end trace frame: 0xffff800021bbce50, count: 0 ddb{0}> trace sbdrop(ffff800021bbcea8,ffff800021bbcf30,990) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 sbflush(ffff800021bbcea8,ffff800021bbcf30) at sbflush+0x93 sys/kern/uipc_socket2.c:933 sbrelease(ffff800021bbcea8,ffff800021bbcf30) at sbrelease+0x2e sys/kern/uipc_socket2.c:527 sorflush(fffffd8063990660) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd8063990660,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd8063990660,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd80673a20b0,ffff800020ac3878) at soo_close+0x40 fdrop(fffffd80673a20b0,ffff800020ac3878) at fdrop+0xc2 sys/kern/kern_descrip.c:1271 closef(fffffd80673a20b0,ffff800020ac3878) at closef+0x11d sys/kern/kern_descrip.c:1255 fdfree(ffff800020ac3878) at fdfree+0x101 sys/kern/kern_descrip.c:1187 exit1(ffff800020ac3878,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ac3878,ffff800021bbd300,ffff800021bbd350) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800021bbd3d0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021bbd3d0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffec860, count: -14 ddb{0}> show registers rdi 0 rsi 0x6f6 rbp 0xffff800021bbce00 rbx 0xfffffd8069eb6f00 rdx 0x4fe84 acpi_pdirpa+0x3bcec rcx 0 rax 0 r8 0xffffffff82090838 sbdrop+0x248 r9 0x3 r10 0xd469e6244ea8823c r11 0x36d7fb22397e602 r12 0x6f6 r13 0x1700 __ALIGN_SIZE+0x700 r14 0xffff800021bbcf30 r15 0xfffffd0000000000 rip 0xffffffff82090809 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021bbcda0 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.1) pid=33306 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=74, nice=20 forw=0xffffffffffffffff, list=0xffff800020ac2288,0xffffffff8263c528 process=0xffff800020aa8f20 user=0xffff800021bb8000, vmspace=0xfffffd807efff450 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 49000 196012 0 0 3 0x14200 acct acct 52285 160166 0 0 3 0x14200 bored sosplice 91591 190671 85005 0 3 0x82 nanosleep syz-executor.1 6818 393029 85005 0 7 0x482 syz-executor.0 85005 482174 53795 0 3 0x82 thrsleep syz-fuzzer 85005 316563 53795 0 3 0x4000082 thrsleep syz-fuzzer 85005 229287 53795 0 3 0x4000082 thrsleep syz-fuzzer 85005 54198 53795 0 3 0x4000082 thrsleep syz-fuzzer 85005 421622 53795 0 3 0x4000082 thrsleep syz-fuzzer 85005 30277 53795 0 3 0x4000082 thrsleep syz-fuzzer 85005 248975 53795 0 3 0x4000082 kqread syz-fuzzer 85005 430038 53795 0 3 0x4000082 thrsleep syz-fuzzer 85005 327175 53795 0 3 0x4000082 thrsleep syz-fuzzer 85005 489065 53795 0 3 0x4000082 thrsleep syz-fuzzer 53795 440600 72628 0 3 0x10008a pause ksh 72628 498612 46225 0 3 0x92 select sshd 1069 347249 1 0 3 0x100083 ttyin getty 46225 375282 1 0 3 0x80 select sshd 55404 101980 42320 74 3 0x100092 bpf pflogd 42320 157691 1 0 3 0x80 netio pflogd 6372 8824 21375 73 3 0x100090 kqread syslogd 21375 188328 1 0 3 0x100082 netio syslogd 84464 478302 1 77 3 0x100090 poll dhclient 93290 471390 1 0 3 0x80 poll dhclient 58983 236855 0 0 3 0x14200 pgzero zerothread 36869 435466 0 0 3 0x14200 aiodoned aiodoned 22680 177138 0 0 3 0x14200 syncer update 36766 471484 0 0 3 0x14200 cleaner cleaner 50795 204328 0 0 3 0x14200 reaper reaper 47488 471779 0 0 3 0x14200 pgdaemon pagedaemon 71908 452322 0 0 3 0x14200 bored crynlk 47386 309068 0 0 3 0x14200 bored crypto 3968 61117 0 0 3 0x40014200 acpi0 acpi0 46100 181856 0 0 3 0x40014200 idle1 97966 352046 0 0 3 0x14200 bored softnet 84647 226288 0 0 3 0x14200 bored systqmp 3964 347294 0 0 3 0x14200 bored systq 35523 123438 0 0 2 0x40014200 softclock 6514 349840 0 0 3 0x40014200 idle0 7637 86543 0 0 3 0x14200 bored smr 1 440316 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9500 6416K 8093K 78643K 11193 0 pcb 13 8K 8K 78643K 83 0 rtable 105 3K 3K 78643K 313 0 ifaddr 69 15K 15K 78643K 104 0 counters 43 33K 34K 78643K 55 0 ioctlops 0 0K 4K 78643K 1483 0 iov 0 0K 20K 78643K 113 0 mount 1 1K 1K 78643K 1 0 vnodes 1247 78K 78K 78643K 1570 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 42 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 290 0 sigio 0 0K 0K 78643K 6 0 proc 64 75K 83K 78643K 534 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 29 0 in_multi 70 3K 3K 78643K 120 0 ether_multi 1 0K 0K 78643K 13 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 251 0 pfkey data 0 0K 0K 78643K 2 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 125 39K 40K 78643K 1990 0 UVM aobj 27 2K 2K 78643K 29 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 48 0 NDP 9 0K 0K 78643K 22 0 temp 115 3017K 3082K 78643K 4464 0 kqueue 3 4K 12K 78643K 24 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 11 0 3 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 45 0 42 1 0 1 1 0 8 0 rtentry 112 64 0 20 2 0 2 2 0 8 0 unpcb 120 584 0 573 2 1 1 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 120 0 114 1 0 1 1 0 8 0 inpcb 280 386 0 378 2 0 2 2 0 8 1 nd6 48 7 0 4 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 9 0 9 1 0 1 1 0 482 1 pffrnode 88 9 0 9 1 0 1 1 0 8 1 pffrent 40 319 0 319 1 0 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 57 0 10 1 0 1 1 0 8 0 pfstkey 112 57 0 10 2 0 2 2 0 8 0 pfstate 328 57 0 10 5 0 5 5 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 299 0 84 14 0 14 14 0 8 0 art_table 32 301 0 84 2 0 2 2 0 8 0 art_node 16 63 0 23 1 0 1 1 0 8 0 sysvmsgpl 40 54 0 41 1 0 1 1 0 8 0 semupl 112 6 0 6 2 2 0 1 0 8 0 semapl 112 38 0 28 1 0 1 1 0 8 0 shmpl 112 27 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1857 0 454 46 0 46 46 0 8 0 ffsino 272 1857 0 454 95 0 95 95 0 8 0 nchpl 144 2535 0 930 61 0 61 61 0 8 0 uvmvnodes 72 2190 0 0 40 0 40 40 0 8 0 vnodes 208 2190 0 0 116 0 116 116 0 8 0 namei 1024 7552 0 7552 1 0 1 1 0 8 1 percpumem 16 38 0 6 1 0 1 1 0 8 0 vcpupl 1984 1 0 0 1 0 1 1 0 8 0 vmpool 560 1 0 0 1 0 1 1 0 8 0 scxspl 192 7405 0 7405 8 7 1 7 0 8 1 plimitpl 152 43 0 34 1 0 1 1 0 8 0 sigapl 432 486 0 471 3 1 2 3 0 8 0 futexpl 56 5817 0 5817 1 0 1 1 0 8 1 knotepl 112 90 0 71 1 0 1 1 0 8 0 kqueuepl 104 68 0 66 1 0 1 1 0 8 0 pipelkpl 48 152 0 142 1 0 1 1 0 8 0 pipepl 120 304 0 285 1 0 1 1 0 8 0 fdescpl 496 487 0 471 3 0 3 3 0 8 0 filepl 152 3929 0 3825 8 1 7 7 0 8 2 lockfpl 104 742 0 741 1 0 1 1 0 8 0 lockfspl 48 239 0 238 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 21 0 10 1 0 1 1 0 8 0 ucredpl 96 403 0 394 1 0 1 1 0 8 0 zombiepl 144 472 0 470 1 0 1 1 0 8 0 processpl 960 504 0 470 5 0 5 5 0 8 0 procpl 624 1117 0 1074 5 0 5 5 0 8 1 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 2 0 2 1 0 1 1 0 8 1 sockpl 400 1019 0 996 7 2 5 6 0 8 2 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 190 0 0 23 0 23 23 0 8 0 mtagpl 80 16 0 0 1 0 1 1 0 8 0 mbufpl 256 315 0 0 20 0 20 20 0 8 0 bufpl 280 4634 0 190 318 0 318 318 0 8 0 anonpl 16 64029 0 47479 80 7 73 79 0 125 6 amapchunkpl 152 2790 0 2652 12 1 11 11 0 158 4 amappl16 192 2302 0 1395 56 9 47 56 0 8 1 amappl15 184 91 0 87 1 0 1 1 0 8 0 amappl14 176 37 0 35 1 0 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 7 0 7 1 1 0 1 0 8 0 amappl11 152 170 0 154 1 0 1 1 0 8 0 amappl10 144 117 0 110 1 0 1 1 0 8 0 amappl9 136 616 0 612 1 0 1 1 0 8 0 amappl8 128 143 0 117 1 0 1 1 0 8 0 amappl7 120 223 0 209 1 0 1 1 0 8 0 amappl6 112 173 0 164 1 0 1 1 0 8 0 amappl5 104 142 0 128 1 0 1 1 0 8 0 amappl4 96 743 0 713 1 0 1 1 0 8 0 amappl3 88 125 0 118 1 0 1 1 0 8 0 amappl2 80 2950 0 2876 3 1 2 3 0 8 0 amappl1 72 20891 0 20426 26 16 10 21 0 8 0 amappl 80 1397 0 1349 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 28 0 2 1 0 1 1 0 8 0 uaddrrnd 24 488 0 471 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 488 0 471 1 0 1 1 0 8 0 vmmpekpl 168 7987 0 7951 2 0 2 2 0 8 0 vmmpepl 168 68269 0 66158 125 15 110 121 0 357 13 vmsppl 368 487 0 471 2 0 2 2 0 8 0 pdppl 4096 983 0 943 6 0 6 6 0 8 0 pvpl 32 199818 0 180047 189 6 183 189 0 265 22 pmappl 232 487 0 471 3 1 2 2 0 8 1 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 189 0 5 6 0 6 6 0 8 0