uvm_fault(0xffffffff825bd9a0, 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(0xffffffff825bd9a0, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800022d8b368,ffff800022d8b3f0,990) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 end trace frame: 0xffff800022d8b310, count: 0 ddb{1}> trace sbdrop(ffff800022d8b368,ffff800022d8b3f0,990) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 sbflush(ffff800022d8b368,ffff800022d8b3f0) at sbflush+0x93 sys/kern/uipc_socket2.c:933 sbrelease(ffff800022d8b368,ffff800022d8b3f0) at sbrelease+0x2e sys/kern/uipc_socket2.c:527 sorflush(fffffd8062ebc668) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd8062ebc668,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd8062ebc668,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd8062d04698,ffff800020ac93d8) at soo_close+0x40 fdrop(fffffd8062d04698,ffff800020ac93d8) at fdrop+0xc2 sys/kern/kern_descrip.c:1271 closef(fffffd8062d04698,ffff800020ac93d8) at closef+0x11d sys/kern/kern_descrip.c:1255 fdfree(ffff800020ac93d8) at fdfree+0x101 sys/kern/kern_descrip.c:1187 exit1(ffff800020ac93d8,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ac93d8,ffff800022d8b7c0,ffff800022d8b810) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800022d8b890) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800022d8b890) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd2290, count: -14 ddb{1}> show registers rdi 0 rsi 0x542 rbp 0xffff800022d8b2c0 rbx 0xfffffd806d40c000 rdx 0x2ad9a acpi_pdirpa+0x16c02 rcx 0 rax 0 r8 0xffffffff81e1ec08 sbdrop+0x248 r9 0x3 r10 0xd1e341230761e2ba r11 0xf0df888b4a04516d r12 0x542 r13 0x1100 __ALIGN_SIZE+0x100 r14 0xffff800022d8b3f0 r15 0xfffffd0000000000 rip 0xffffffff81e1ebd9 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800022d8b260 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> show proc PROC (syz-executor.0) pid=3320 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=76, nice=20 forw=0xffffffffffffffff, list=0xffff800020ac8c70,0xffffffff82635820 process=0xffff800020af4700 user=0xffff800022d86000, vmspace=0xfffffd807e0b82f0 estcpu=26, cpticks=1, pctcpu=0.19 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 37758 229318 18803 0 3 0x82 piperd syz-executor.1 92943 282956 18803 0 3 0x82 nanosleep syz-executor.0 38556 97029 0 0 3 0x14200 bored sosplice 18803 172904 35359 0 3 0x82 thrsleep syz-fuzzer 18803 10486 35359 0 3 0x4000082 thrsleep syz-fuzzer 18803 167941 35359 0 3 0x4000082 thrsleep syz-fuzzer 18803 210670 35359 0 3 0x4000082 thrsleep syz-fuzzer 18803 157576 35359 0 3 0x4000082 thrsleep syz-fuzzer 18803 283879 35359 0 3 0x4000082 thrsleep syz-fuzzer 18803 27847 35359 0 3 0x4000082 thrsleep syz-fuzzer 18803 257433 35359 0 3 0x4000082 thrsleep syz-fuzzer 18803 93297 35359 0 3 0x4000082 thrsleep syz-fuzzer 18803 32137 35359 0 3 0x4000082 kqread syz-fuzzer 35359 219364 61016 0 3 0x10008a pause ksh 61016 215835 80196 0 3 0x92 select sshd 37678 40071 1 0 3 0x100083 ttyin getty 80196 113103 1 0 3 0x80 select sshd 67345 87232 64056 74 3 0x100092 bpf pflogd 64056 216048 1 0 3 0x80 netio pflogd 98765 305910 64188 73 3 0x100090 kqread syslogd 64188 223809 1 0 3 0x100082 netio syslogd 96497 1580 1 77 3 0x100090 poll dhclient 71649 181508 1 0 3 0x80 poll dhclient 25853 507460 0 0 3 0x14200 pgzero zerothread 24146 267224 0 0 3 0x14200 aiodoned aiodoned 66204 140392 0 0 3 0x14200 syncer update 90061 65909 0 0 3 0x14200 cleaner cleaner 43362 341140 0 0 7 0x14200 reaper 56985 224271 0 0 3 0x14200 pgdaemon pagedaemon 78960 514928 0 0 3 0x14200 bored crynlk 5321 474118 0 0 3 0x14200 bored crypto 72729 328279 0 0 3 0x40014200 acpi0 acpi0 15495 513990 0 0 3 0x40014200 idle1 29418 398511 0 0 3 0x14200 bored softnet 97511 80522 0 0 3 0x14200 bored systqmp 53852 168712 0 0 3 0x14200 bored systq 8296 202906 0 0 3 0x40014200 bored softclock 79470 56627 0 0 3 0x40014200 idle0 82028 22259 0 0 3 0x14200 bored smr 1 404959 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 9550 6434K 8119K 78643K 13809 0 pcb 13 8K 8K 78643K 115 0 rtable 112 4K 4K 78643K 535 0 ifaddr 92 17K 18K 78643K 217 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1503 0 iov 0 0K 24K 78643K 125 0 mount 1 1K 1K 78643K 1 0 vnodes 1227 77K 77K 78643K 2112 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 14 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 584 0 sigio 0 0K 0K 78643K 18 0 proc 62 63K 83K 78643K 572 0 subproc 32 2K 2K 78643K 68 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 53 0 in_multi 64 3K 3K 78643K 144 0 ether_multi 1 0K 0K 78643K 12 0 mrt 2 0K 0K 78643K 6 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 103 466K 466K 78643K 103 0 exec 0 0K 1K 78643K 277 0 pfkey data 0 0K 1K 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 130 87K 87K 78643K 2941 0 UVM aobj 46 2K 2K 78643K 46 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 71 0 NDP 15 0K 0K 78643K 49 0 temp 143 3019K 3086K 78643K 17116 0 kqueue 3 4K 20K 78643K 110 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 13 0 5 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 85 0 82 1 0 1 1 0 8 0 rtentry 112 93 0 47 2 0 2 2 0 8 0 unpcb 120 635 0 620 1 0 1 1 0 8 0 syncache 264 10 0 10 2 2 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 544 238 0 234 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 2 0 2 1 1 0 1 0 8 0 inpcb 280 723 0 716 3 1 2 2 0 8 1 rttmr 72 3 0 3 2 2 0 1 0 8 0 nd6 48 12 0 9 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1128 18 0 18 3 2 1 1 0 8 1 pffrag 232 7 0 6 2 1 1 1 0 482 0 pffrnode 88 7 0 6 2 1 1 1 0 8 0 pffrent 40 185 0 184 2 1 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 55 0 19 1 0 1 1 0 8 0 pfstkey 112 55 0 19 2 0 2 2 0 8 0 pfstate 328 55 0 19 4 0 4 4 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 256 430 0 207 15 1 14 14 0 8 0 art_table 32 432 0 207 2 0 2 2 0 8 0 art_node 16 92 0 50 1 0 1 1 0 8 0 sysvmsgpl 40 50 0 28 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 12 0 2 1 0 1 1 0 8 0 shmpl 112 44 0 0 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2303 0 904 46 0 46 46 0 8 0 ffsino 272 2303 0 904 95 0 95 95 0 8 0 nchpl 144 3302 0 1702 61 0 61 61 0 8 0 uvmvnodes 72 3087 0 0 57 0 57 57 0 8 0 vnodes 208 3087 0 0 163 0 163 163 0 8 0 namei 1024 10392 0 10392 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 10 0 0 2 0 2 2 0 8 0 vmpool 560 12 0 2 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 0 1 1 0 8 1 scxspl 192 9739 0 9739 9 8 1 4 0 8 1 plimitpl 152 61 0 53 1 0 1 1 0 8 0 sigapl 432 777 0 762 3 1 2 3 0 8 0 futexpl 56 12974 0 12974 1 0 1 1 0 8 1 knotepl 112 228 0 209 2 0 2 2 0 8 1 kqueuepl 104 216 0 214 1 0 1 1 0 8 0 pipelkpl 48 209 0 199 1 0 1 1 0 8 0 pipepl 120 418 0 399 1 0 1 1 0 8 0 fdescpl 496 778 0 762 3 0 3 3 0 8 0 filepl 152 6119 0 6000 9 3 6 7 0 8 1 lockfpl 104 171 0 170 1 0 1 1 0 8 0 lockfspl 48 71 0 70 1 0 1 1 0 8 0 sessionpl 112 20 0 9 1 0 1 1 0 8 0 pgrppl 48 25 0 14 1 0 1 1 0 8 0 ucredpl 96 827 0 818 1 0 1 1 0 8 0 zombiepl 144 763 0 762 1 0 1 1 0 8 0 processpl 896 794 0 762 4 0 4 4 0 8 0 procpl 632 2053 0 2010 6 1 5 5 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 23 0 23 2 1 1 1 0 8 1 sockpl 400 1449 0 1423 6 2 4 4 0 8 1 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 13 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 269 0 0 33 0 33 33 0 8 0 mtagpl 80 37 0 0 1 0 1 1 0 8 0 mbufpl 256 399 0 0 23 0 23 23 0 8 0 bufpl 280 7579 0 1349 445 0 445 445 0 8 0 anonpl 16 100303 0 83689 81 6 75 80 0 125 6 amapchunkpl 152 4784 0 4637 15 4 11 11 0 158 5 amappl16 192 4060 0 3158 59 12 47 55 0 8 0 amappl15 184 65 0 61 1 0 1 1 0 8 0 amappl14 176 192 0 190 1 0 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 214 0 210 1 0 1 1 0 8 0 amappl11 152 229 0 214 1 0 1 1 0 8 0 amappl10 144 20 0 13 1 0 1 1 0 8 0 amappl9 136 627 0 624 1 0 1 1 0 8 0 amappl8 128 142 0 116 1 0 1 1 0 8 0 amappl7 120 118 0 105 1 0 1 1 0 8 0 amappl6 112 224 0 220 1 0 1 1 0 8 0 amappl5 104 360 0 343 1 0 1 1 0 8 0 amappl4 96 1043 0 1008 2 1 1 2 0 8 0 amappl3 88 130 0 122 1 0 1 1 0 8 0 amappl2 80 5189 0 5114 3 1 2 3 0 8 0 amappl1 72 27339 0 26888 26 16 10 21 0 8 0 amappl 80 2339 0 2287 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 45 0 0 1 0 1 1 0 8 0 uaddrrnd 24 790 0 764 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 790 0 764 1 0 1 1 0 8 0 vmmpekpl 168 9844 0 9807 2 0 2 2 0 8 0 vmmpepl 168 104288 0 102159 140 18 122 124 0 357 24 vmsppl 368 789 0 764 3 0 3 3 0 8 0 pdppl 4096 1587 0 1538 7 0 7 7 0 8 0 pvpl 32 289849 0 270458 192 11 181 191 0 265 22 pmappl 232 789 0 764 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 199 0 6 6 0 6 6 0 8 0