login: uvm_fault(0xffffffff825c47a8, 0xfffffd0000000018, 0, 1) -> e kernel: page fault trap, code=0 Stopped at sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff825c47a8, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800020ba1668,ffff800020ba16f0,990) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 end trace frame: 0xffff800020ba1610, count: 0 ddb{1}> trace sbdrop(ffff800020ba1668,ffff800020ba16f0,990) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 sbflush(ffff800020ba1668,ffff800020ba16f0) at sbflush+0x93 sys/kern/uipc_socket2.c:933 sbrelease(ffff800020ba1668,ffff800020ba16f0) at sbrelease+0x2e sys/kern/uipc_socket2.c:527 sorflush(fffffd8065fc34c8) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd8065fc34c8,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd8065fc34c8,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd80661f4ef0,ffff800020ac3d58) at soo_close+0x40 fdrop(fffffd80661f4ef0,ffff800020ac3d58) at fdrop+0xc2 sys/kern/kern_descrip.c:1274 closef(fffffd80661f4ef0,ffff800020ac3d58) at closef+0x11c sys/kern/kern_descrip.c:1258 fdfree(ffff800020ac3d58) at fdfree+0x101 sys/kern/kern_descrip.c:1190 exit1(ffff800020ac3d58,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ac3d58,ffff800020ba1ac0,ffff800020ba1b10) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800020ba1b90) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ba1b90) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbfbd0, count: -14 ddb{1}> show registers rdi 0 rsi 0x98e rbp 0xffff800020ba15c0 rbx 0xfffffd806d5ff900 rdx 0x22a28 acpi_pdirpa+0xe890 rcx 0 rax 0 r8 0xffffffff818985c8 sbdrop+0x248 r9 0x3 r10 0x6a623b95fb9f80e r11 0x9e0086ed65b07f8a r12 0x98e r13 0x2200 __ALIGN_SIZE+0x1200 r14 0xffff800020ba16f0 r15 0xfffffd0000000000 rip 0xffffffff81898599 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020ba1560 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> show proc PROC (syz-executor.0) pid=293557 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ac2eb8,0xffff800020ac29e8 process=0xffff800020aa87a0 user=0xffff800020b9c000, vmspace=0xfffffd807f0005c0 estcpu=36, cpticks=7, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 86983 511424 48418 0 2 0 syz-executor.1 86983 247754 48418 0 3 0x4000080 fsleep syz-executor.1 49454 166269 0 0 3 0x14200 bored sosplice 9785 47955 65463 0 3 0x82 nanosleep syz-executor.0 48418 384718 65463 0 3 0x82 nanosleep syz-executor.1 65463 197384 15451 0 3 0x82 thrsleep syz-fuzzer 65463 280344 15451 0 3 0x4000082 thrsleep syz-fuzzer 65463 69259 15451 0 3 0x4000082 thrsleep syz-fuzzer 65463 210537 15451 0 3 0x4000082 thrsleep syz-fuzzer 65463 301010 15451 0 3 0x4000082 kqread syz-fuzzer 65463 100541 15451 0 3 0x4000082 thrsleep syz-fuzzer 65463 51163 15451 0 3 0x4000082 thrsleep syz-fuzzer 65463 519534 15451 0 3 0x4000082 thrsleep syz-fuzzer 65463 223812 15451 0 3 0x4000082 thrsleep syz-fuzzer 65463 119905 15451 0 3 0x4000082 thrsleep syz-fuzzer 65463 68547 15451 0 3 0x4000082 thrsleep syz-fuzzer 15451 280278 68405 0 3 0x10008a pause ksh 68405 198831 49531 0 3 0x92 select sshd 92838 337016 1 0 3 0x100083 ttyin getty 49531 323671 1 0 3 0x80 select sshd 32831 130419 33136 74 3 0x100092 bpf pflogd 33136 383072 1 0 3 0x80 netio pflogd 94564 306361 97659 73 3 0x100090 kqread syslogd 97659 75081 1 0 3 0x100082 netio syslogd 90564 176168 1 77 2 0x100010 dhclient 46504 88127 1 0 7 0 dhclient 81121 499335 0 0 2 0x14200 zerothread 54290 296043 0 0 3 0x14200 aiodoned aiodoned 53428 178582 0 0 3 0x14200 syncer update 34285 473939 0 0 3 0x14200 cleaner cleaner 99348 384854 0 0 3 0x14200 reaper reaper 3290 362832 0 0 3 0x14200 pgdaemon pagedaemon 93465 122610 0 0 3 0x14200 bored crynlk 27781 426485 0 0 3 0x14200 bored crypto 22816 204913 0 0 3 0x40014200 acpi0 acpi0 28687 182514 0 0 3 0x40014200 idle1 31475 471868 0 0 3 0x14200 bored softnet 50035 350945 0 0 3 0x14200 bored systqmp 73240 211314 0 0 3 0x14200 bored systq 26818 165077 0 0 3 0x40014200 bored softclock 13384 486399 0 0 3 0x40014200 idle0 31981 273826 0 0 3 0x14200 bored smr 1 182855 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9472 6398K 6471K 78643K 10570 0 pcb 13 8K 8K 78643K 19 0 rtable 111 3K 3K 78643K 220 0 ifaddr 47 11K 11K 78643K 48 0 counters 43 33K 33K 78643K 43 0 ioctlops 0 0K 4K 78643K 1469 0 iov 0 0K 12K 78643K 4 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1226 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 4 0K 0K 78643K 4 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 46 0 proc 62 75K 95K 78643K 448 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 40 2K 2K 78643K 40 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 31 148K 148K 78643K 31 0 exec 0 0K 1K 78643K 207 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 116 22K 22K 78643K 1079 0 UVM aobj 2 2K 2K 78643K 2 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 6 0K 0K 78643K 10 0 temp 69 3008K 3072K 78643K 2103 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 9 0 1 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 25 0 21 1 0 1 1 0 8 0 rtentry 112 51 0 4 2 0 2 2 0 8 0 unpcb 120 37 0 26 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 466 0 466 1 0 1 1 0 8 1 tcpcb 544 16 0 10 1 0 1 1 0 8 0 inpcb 280 73 0 65 2 0 2 2 0 8 1 nd6 48 4 0 0 1 0 1 1 0 8 0 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 13 0 0 1 0 1 1 0 8 0 pfstkey 112 13 0 0 1 0 1 1 0 8 0 pfstate 328 13 0 0 2 0 2 2 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 229 0 2 15 0 15 15 0 8 0 art_table 32 230 0 2 2 0 2 2 0 8 0 art_node 16 50 0 8 1 0 1 1 0 8 0 semapl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1444 0 35 46 0 46 46 0 8 0 ffsino 272 1444 0 35 95 0 95 95 0 8 0 nchpl 144 1689 0 69 61 0 61 61 0 8 0 uvmvnodes 72 1492 0 0 28 0 28 28 0 8 0 vnodes 208 1492 0 0 79 0 79 79 0 8 0 namei 1024 4356 0 4356 1 0 1 1 0 8 1 percpumem 16 32 0 0 1 0 1 1 0 8 0 scxspl 192 4889 0 4889 2 1 1 2 0 8 1 plimitpl 152 15 0 7 1 0 1 1 0 8 0 sigapl 432 245 0 229 3 0 3 3 0 8 1 futexpl 56 338 0 337 1 0 1 1 0 8 0 knotepl 112 53 0 34 1 0 1 1 0 8 0 kqueuepl 104 2 0 0 1 0 1 1 0 8 0 pipelkpl 48 76 0 66 1 0 1 1 0 8 0 pipepl 120 152 0 133 1 0 1 1 0 8 0 fdescpl 496 246 0 229 4 1 3 3 0 8 0 filepl 152 1280 0 1175 6 0 6 6 0 8 1 lockfpl 104 7 0 6 1 0 1 1 0 8 0 lockfspl 48 4 0 3 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 63 0 54 1 0 1 1 0 8 0 zombiepl 144 230 0 229 1 0 1 1 0 8 0 processpl 960 262 0 229 5 0 5 5 0 8 0 procpl 624 304 0 260 5 0 5 5 0 8 1 sosppl 128 6 0 6 1 0 1 1 0 8 1 sockpl 400 135 0 111 4 0 4 4 0 8 1 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 174 0 0 21 0 21 21 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 208 0 0 13 0 13 13 0 8 0 bufpl 280 4139 0 192 282 0 282 282 0 8 0 anonpl 16 38319 0 23319 62 1 61 61 0 125 0 amapchunkpl 152 1204 0 1052 8 0 8 8 0 158 0 amappl16 192 911 0 117 40 0 40 40 0 8 0 amappl15 184 62 0 56 1 0 1 1 0 8 0 amappl14 176 47 0 42 1 0 1 1 0 8 0 amappl12 160 15 0 15 1 1 0 1 0 8 0 amappl11 152 54 0 39 1 0 1 1 0 8 0 amappl10 144 14 0 7 1 0 1 1 0 8 0 amappl9 136 608 0 603 1 0 1 1 0 8 0 amappl8 128 137 0 111 1 0 1 1 0 8 0 amappl7 120 104 0 92 1 0 1 1 0 8 0 amappl6 112 61 0 53 1 0 1 1 0 8 0 amappl5 104 134 0 120 1 0 1 1 0 8 0 amappl4 96 499 0 465 2 1 1 2 0 8 0 amappl3 88 119 0 111 1 0 1 1 0 8 0 amappl2 80 1048 0 965 3 1 2 3 0 8 0 amappl1 72 15775 0 15296 26 11 15 21 0 8 5 amappl 80 559 0 509 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 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 246 0 229 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 246 0 229 1 0 1 1 0 8 0 vmmpekpl 168 5939 0 5905 2 0 2 2 0 8 0 vmmpepl 168 37776 0 35677 156 4 152 152 0 357 60 vmsppl 368 245 0 229 2 0 2 2 0 8 0 pdppl 4096 499 0 458 6 0 6 6 0 8 0 pvpl 32 133671 0 115404 151 0 151 151 0 265 2 pmappl 232 245 0 229 2 0 2 2 0 8 1 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 174 0 3 5 0 5 5 0 8 0