uvm_fault(0xffffffff82606e90, 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(0xffffffff82606e90, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800020ab6a48,ffff800020ab6ad0,74a) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 end trace frame: 0xffff800020ab69f0, count: 0 ddb{1}> trace sbdrop(ffff800020ab6a48,ffff800020ab6ad0,74a) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 sbflush(ffff800020ab6a48,ffff800020ab6ad0) at sbflush+0x93 sys/kern/uipc_socket2.c:933 sbrelease(ffff800020ab6a48,ffff800020ab6ad0) at sbrelease+0x2e sys/kern/uipc_socket2.c:527 sorflush(fffffd806a897e20) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd806a897e20,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd806a897e20,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd80723fdbe0,ffff800020ac8780) at soo_close+0x40 fdrop(fffffd80723fdbe0,ffff800020ac8780) at fdrop+0xc2 sys/kern/kern_descrip.c:1271 closef(fffffd80723fdbe0,ffff800020ac8780) at closef+0x11d sys/kern/kern_descrip.c:1255 fdfree(ffff800020ac8780) at fdfree+0x101 sys/kern/kern_descrip.c:1187 exit1(ffff800020ac8780,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ac8780,ffff800020ab6ea0,ffff800020ab6ef0) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800020ab6f70) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800020ab6f70) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcf4e0, count: -14 ddb{1}> show registers rdi 0 rsi 0x686 rbp 0xffff800020ab69a0 rbx 0xfffffd8062c52600 rdx 0x24efa acpi_pdirpa+0x10d62 rcx 0 rax 0 r8 0xffffffff811dad88 sbdrop+0x248 r9 0x3 r10 0x6e48adc12bbdfcea r11 0x735b9d6ed468473b r12 0x686 r13 0x1600 __ALIGN_SIZE+0x600 r14 0xffff800020ab6ad0 r15 0xfffffd0000000000 rip 0xffffffff811dad59 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020ab6940 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> show proc PROC (syz-executor.0) pid=238927 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=75, nice=20 forw=0xffffffffffffffff, list=0xffff800020ac8018,0xffff800020ac93e8 process=0xffff800020aa2390 user=0xffff800020ab2000, vmspace=0xfffffd806e798008 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 42198 13276 67623 0 7 0 syz-executor.1 42198 285597 67623 0 2 0x4000000 syz-executor.1 21010 150388 0 0 3 0x14200 acct acct 46952 325804 1 0 3 0x100083 ttyin getty 47477 5415 0 0 3 0x14200 bored sosplice 67623 373248 12780 0 3 0x82 nanosleep syz-executor.1 38102 327491 12780 0 3 0x82 nanosleep syz-executor.0 12780 330909 91840 0 3 0x82 thrsleep syz-fuzzer 12780 374704 91840 0 3 0x4000082 nanosleep syz-fuzzer 12780 215234 91840 0 3 0x4000082 thrsleep syz-fuzzer 12780 151861 91840 0 3 0x4000082 thrsleep syz-fuzzer 12780 293215 91840 0 3 0x4000082 thrsleep syz-fuzzer 12780 370712 91840 0 3 0x4000082 thrsleep syz-fuzzer 12780 135641 91840 0 3 0x4000082 thrsleep syz-fuzzer 12780 371708 91840 0 3 0x4000082 nanosleep syz-fuzzer 12780 76272 91840 0 3 0x4000082 thrsleep syz-fuzzer 12780 507800 91840 0 3 0x4000082 kqread syz-fuzzer 91840 379195 72504 0 3 0x10008a pause ksh 72504 514730 39409 0 3 0x92 select sshd 39409 268505 1 0 3 0x80 select sshd 20728 121824 93059 74 3 0x100092 bpf pflogd 93059 110538 1 0 3 0x80 netio pflogd 57712 112 21313 73 3 0x100090 kqread syslogd 21313 385773 1 0 3 0x100082 netio syslogd 78714 137916 0 0 2 0x14200 zerothread 48869 304466 0 0 3 0x14200 aiodoned aiodoned 8398 312228 0 0 3 0x14200 syncer update 17731 235541 0 0 3 0x14200 cleaner cleaner 57017 249271 0 0 3 0x14200 reaper reaper 59350 150468 0 0 3 0x14200 pgdaemon pagedaemon 51749 430312 0 0 3 0x14200 bored crynlk 53468 329587 0 0 3 0x14200 bored crypto 43425 11475 0 0 3 0x40014200 acpi0 acpi0 93147 445207 0 0 3 0x40014200 idle1 14140 377466 0 0 3 0x14200 bored softnet 77170 498167 0 0 3 0x14200 bored systqmp 77041 24204 0 0 3 0x14200 bored systq 2187 304167 0 0 3 0x40014200 bored softclock 55523 483596 0 0 3 0x40014200 idle0 2996 368250 0 0 3 0x14200 bored smr 1 220342 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 9524 6427K 6878K 78643K 11292 0 pcb 13 8K 8K 78643K 53 0 rtable 108 4K 4K 78643K 266 0 ifaddr 81 15K 16K 78643K 166 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1505 0 iov 0 0K 16K 78643K 33 0 mount 1 1K 1K 78643K 1 0 vnodes 1226 77K 77K 78643K 1430 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 5 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 66 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 247 0 sigio 0 0K 0K 78643K 11 0 proc 60 63K 95K 78643K 490 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 27 0 in_multi 59 3K 3K 78643K 87 0 ether_multi 1 0K 0K 78643K 7 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 261 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 110 54K 56K 78643K 1802 0 UVM aobj 20 2K 2K 78643K 20 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 18 0 NDP 13 0K 0K 78643K 32 0 temp 108 3015K 3079K 78643K 13666 0 kqueue 3 4K 18K 78643K 25 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 8 0 1 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 55 0 54 1 0 1 1 0 8 0 rtentry 112 48 0 4 2 0 2 2 0 8 0 unpcb 120 132 0 123 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 48 0 48 1 1 0 1 0 8 0 tcpcb 544 78 0 72 1 0 1 1 0 8 0 inpcb 280 282 0 277 2 1 1 2 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 12 0 12 1 0 1 1 0 8 1 pffrag 232 5 0 5 2 1 1 1 0 482 1 pffrnode 88 5 0 5 2 1 1 1 0 8 1 pffrent 40 225 0 225 2 1 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 32 0 3 1 0 1 1 0 8 0 pfstkey 112 32 0 3 1 0 1 1 0 8 0 pfstate 328 32 0 3 3 0 3 3 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 256 220 0 2 14 0 14 14 0 8 0 art_table 32 221 0 2 2 0 2 2 0 8 0 art_node 16 47 0 8 1 0 1 1 0 8 0 sysvmsgpl 40 22 0 19 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 64 0 54 1 0 1 1 0 8 0 shmpl 112 18 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1794 0 383 46 0 46 46 0 8 0 ffsino 272 1794 0 383 95 0 95 95 0 8 0 nchpl 144 2449 0 829 61 0 61 61 0 8 0 uvmvnodes 72 1985 0 0 37 0 37 37 0 8 0 vnodes 208 1985 0 0 105 0 105 105 0 8 0 namei 1024 6914 0 6914 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 3 0 0 1 0 1 1 0 8 0 vmpool 560 24 0 21 1 0 1 1 0 8 0 scxspl 192 6997 0 6997 8 5 3 7 0 8 3 plimitpl 152 32 0 25 1 0 1 1 0 8 0 sigapl 432 447 0 433 3 1 2 3 0 8 0 futexpl 56 4488 0 4488 1 0 1 1 0 8 1 knotepl 112 128 0 109 2 1 1 2 0 8 0 kqueuepl 104 74 0 72 1 0 1 1 0 8 0 pipelkpl 48 124 0 114 1 0 1 1 0 8 0 pipepl 120 248 0 229 2 1 1 2 0 8 0 fdescpl 496 448 0 433 3 0 3 3 0 8 0 filepl 152 2976 0 2883 5 0 5 5 0 8 1 lockfpl 104 67 0 67 1 0 1 1 0 8 1 lockfspl 48 22 0 22 1 0 1 1 0 8 1 sessionpl 112 19 0 10 1 0 1 1 0 8 0 pgrppl 48 19 0 10 1 0 1 1 0 8 0 ucredpl 96 240 0 231 1 0 1 1 0 8 0 zombiepl 144 434 0 433 1 0 1 1 0 8 0 processpl 896 465 0 433 4 0 4 4 0 8 0 procpl 632 1006 0 964 5 0 5 5 0 8 1 sosppl 128 2 0 2 1 1 0 1 0 8 0 sockpl 400 472 0 456 3 0 3 3 0 8 0 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 173 0 0 21 0 21 21 0 8 0 mtagpl 80 16 0 0 1 0 1 1 0 8 0 mbufpl 256 378 0 0 23 0 23 23 0 8 0 bufpl 280 6982 0 1342 403 0 403 403 0 8 0 anonpl 16 55914 0 40310 72 6 66 71 0 125 1 amapchunkpl 152 2571 0 2441 14 1 13 13 0 158 6 amappl16 192 2095 0 1238 49 4 45 48 0 8 1 amappl15 184 59 0 56 1 0 1 1 0 8 0 amappl14 176 30 0 27 1 0 1 1 0 8 0 amappl12 160 122 0 117 1 0 1 1 0 8 0 amappl11 152 65 0 57 1 0 1 1 0 8 0 amappl10 144 25 0 21 1 0 1 1 0 8 0 amappl9 136 600 0 597 1 0 1 1 0 8 0 amappl8 128 125 0 102 1 0 1 1 0 8 0 amappl7 120 102 0 92 1 0 1 1 0 8 0 amappl6 112 62 0 56 1 0 1 1 0 8 0 amappl5 104 242 0 230 1 0 1 1 0 8 0 amappl4 96 712 0 679 2 1 1 2 0 8 0 amappl3 88 125 0 118 1 0 1 1 0 8 0 amappl2 80 2660 0 2583 3 1 2 3 0 8 0 amappl1 72 20130 0 19692 26 16 10 21 0 8 0 amappl 80 1272 0 1230 2 0 2 2 0 84 1 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 19 0 0 1 0 1 1 0 8 0 uaddrrnd 24 472 0 454 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 472 0 454 1 0 1 1 0 8 0 vmmpekpl 168 7143 0 7105 3 1 2 2 0 8 0 vmmpepl 168 62274 0 60208 113 14 99 110 0 357 9 vmsppl 368 471 0 454 2 0 2 2 0 8 0 pdppl 4096 951 0 911 6 0 6 6 0 8 1 pvpl 32 184486 0 165692 173 4 169 173 0 265 12 pmappl 232 471 0 454 2 0 2 2 0 8 1 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 178 0 3 5 0 5 5 0 8 0