uvm_fault(0xffffffff82535770, 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(0xffffffff82535770, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800020b81718,ffff800020b817a0,5b4) at sbdrop+0x219 sys/kern/uipc_socket2.c:962 end trace frame: 0xffff800020b816c0, count: 0 ddb{1}> trace sbdrop(ffff800020b81718,ffff800020b817a0,5b4) at sbdrop+0x219 sys/kern/uipc_socket2.c:962 sbflush(ffff800020b81718,ffff800020b817a0) at sbflush+0x93 sys/kern/uipc_socket2.c:931 sbrelease(ffff800020b81718,ffff800020b817a0) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd806f6f5190) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd806f6f5190,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd806f6f5190,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd806fc81688,ffff800020ad7608) at soo_close+0x40 fdrop(fffffd806fc81688,ffff800020ad7608) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd806fc81688,ffff800020ad7608) at closef+0x11c sys/kern/kern_descrip.c:1260 fdfree(ffff800020ad7608) at fdfree+0x101 sys/kern/kern_descrip.c:1192 exit1(ffff800020ad7608,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ad7608,ffff800020b81b70,ffff800020b81bc0) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800020b81c40) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020b81c40) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff74d0, count: -14 ddb{1}> show registers rdi 0 rsi 0x5b2 rbp 0xffff800020b81670 rbx 0xfffffd806333f500 rdx 0x2b0a6 acpi_pdirpa+0x16f0e rcx 0 rax 0 r8 0xffffffff813de988 sbdrop+0x248 r9 0x3 r10 0xfc691fa232db565b r11 0x5cdea3fd36dc0a07 r12 0x5b2 r13 0x1200 __ALIGN_SIZE+0x200 r14 0xffff800020b817a0 r15 0xfffffd0000000000 rip 0xffffffff813de959 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020b81610 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> show proc PROC (syz-executor.1) pid=501757 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ad6c48,0xffffffff82632c78 process=0xffff800020a92020 user=0xffff800020b7c000, vmspace=0xfffffd807f000170 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 65233 425688 0 0 3 0x14200 bored sosplice 5359 443254 68695 0 3 0x82 nanosleep syz-executor.1 67152 435664 68695 0 3 0x82 nanosleep syz-executor.0 68695 292761 70444 0 3 0x82 thrsleep syz-fuzzer 68695 222100 70444 0 3 0x4000082 nanosleep syz-fuzzer 68695 304829 70444 0 3 0x4000082 thrsleep syz-fuzzer 68695 139007 70444 0 3 0x4000082 thrsleep syz-fuzzer 68695 227595 70444 0 3 0x4000082 thrsleep syz-fuzzer 68695 476394 70444 0 3 0x4000082 thrsleep syz-fuzzer 68695 497421 70444 0 3 0x4000082 thrsleep syz-fuzzer 68695 102005 70444 0 3 0x4000082 thrsleep syz-fuzzer 68695 308962 70444 0 3 0x4000082 kqread syz-fuzzer 68695 422469 70444 0 3 0x4000082 thrsleep syz-fuzzer 70444 228033 76426 0 3 0x10008a pause ksh 76426 182859 68991 0 3 0x92 select sshd 81296 188204 1 0 3 0x100083 ttyin getty 68991 205813 1 0 3 0x80 select sshd 20522 377436 58666 74 3 0x100092 bpf pflogd 58666 104627 1 0 3 0x80 netio pflogd 84446 229247 60047 73 3 0x100090 kqread syslogd 60047 224544 1 0 3 0x100082 netio syslogd 90722 310461 0 0 3 0x14200 bored smr 58653 130575 0 0 2 0x14200 zerothread 81973 276599 0 0 3 0x14200 aiodoned aiodoned 68072 6188 0 0 3 0x14200 syncer update 96988 79338 0 0 3 0x14200 cleaner cleaner 49422 104653 0 0 7 0x14200 reaper 26472 318191 0 0 3 0x14200 pgdaemon pagedaemon 59168 132975 0 0 3 0x14200 bored crynlk 49991 133667 0 0 3 0x14200 bored crypto 8849 380131 0 0 3 0x40014200 acpi0 acpi0 20334 237327 0 0 3 0x40014200 idle1 65667 133862 0 0 3 0x14200 bored softnet 58881 215544 0 0 3 0x14200 bored systqmp 57451 111614 0 0 3 0x14200 bored systq 98085 77455 0 0 3 0x40014200 bored softclock 62703 159538 0 0 3 0x40014200 idle0 1 503838 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 9514 6360K 7585K 78643K 11050 0 pcb 13 8K 9K 78643K 100 0 rtable 93 2K 3K 78643K 260 0 ifaddr 74 14K 14K 78643K 87 0 counters 43 33K 34K 78643K 47 0 ioctlops 0 0K 4K 78643K 1496 0 iov 0 0K 16K 78643K 47 0 mount 1 1K 1K 78643K 1 0 vnodes 1237 78K 78K 78643K 1356 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 1K 78643K 43 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 228 0 sigio 0 0K 0K 78643K 6 0 proc 56 51K 83K 78643K 460 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 21 0 in_multi 48 2K 2K 78643K 86 0 ether_multi 1 0K 0K 78643K 8 0 mrt 0 0K 0K 78643K 2 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 214 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 133 104K 104K 78643K 1737 0 UVM aobj 13 2K 2K 78643K 16 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 38 0 NDP 12 0K 0K 78643K 19 0 temp 119 3023K 3087K 78643K 5171 0 kqueue 3 4K 16K 78643K 39 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 80 412 0 411 1 0 1 1 0 8 0 rtentry 112 58 0 20 2 0 2 2 0 8 0 unpcb 120 263 0 255 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 tcpqe 32 109 0 109 1 1 0 1 0 8 0 tcpcb 544 117 0 107 2 0 2 2 0 8 1 inpcb 280 737 0 729 3 0 3 3 0 8 2 rttmr 72 1 0 1 1 0 1 1 0 8 1 nd6 48 9 0 6 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 14 0 14 1 0 1 1 0 482 1 pffrnode 88 14 0 14 1 0 1 1 0 8 1 pffrent 40 459 0 459 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 44 0 3 1 0 1 1 0 8 0 pfstkey 112 44 0 3 2 0 2 2 0 8 0 pfstate 328 44 0 3 4 0 4 4 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 256 257 0 74 13 0 13 13 0 8 0 art_table 32 258 0 74 2 0 2 2 0 8 0 art_node 16 57 0 21 1 0 1 1 0 8 0 sysvmsgpl 40 31 0 11 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 39 0 29 1 0 1 1 0 8 0 shmpl 112 14 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1721 0 312 46 0 46 46 0 8 0 ffsino 272 1721 0 312 95 0 95 95 0 8 0 nchpl 144 2233 0 626 61 0 61 61 0 8 0 uvmvnodes 72 1866 0 0 34 0 34 34 0 8 0 vnodes 208 1866 0 0 99 0 99 99 0 8 0 namei 1024 6093 0 6093 1 0 1 1 0 8 1 percpumem 16 34 0 2 1 0 1 1 0 8 0 vcpupl 1984 6 0 0 1 0 1 1 0 8 0 vmpool 560 7 0 1 1 0 1 1 0 8 0 scxspl 192 6825 0 6825 8 4 4 7 0 8 4 plimitpl 152 28 0 21 1 0 1 1 0 8 0 sigapl 424 444 0 414 4 0 4 4 0 8 0 futexpl 56 4949 0 4949 1 0 1 1 0 8 1 knotepl 112 100 0 81 1 0 1 1 0 8 0 kqueuepl 144 98 0 96 2 0 2 2 0 8 1 pipelkpl 48 144 0 134 1 0 1 1 0 8 0 pipepl 120 288 0 269 2 0 2 2 0 8 1 fdescpl 496 428 0 414 3 0 3 3 0 8 0 filepl 152 3514 0 3418 10 0 10 10 0 8 6 lockfpl 104 95 0 95 1 0 1 1 0 8 1 lockfspl 48 31 0 31 1 0 1 1 0 8 1 sessionpl 112 18 0 9 1 0 1 1 0 8 0 pgrppl 48 20 0 11 1 0 1 1 0 8 0 ucredpl 96 215 0 207 1 0 1 1 0 8 0 zombiepl 144 415 0 413 1 0 1 1 0 8 0 processpl 960 444 0 413 5 0 5 5 0 8 0 procpl 624 946 0 904 4 0 4 4 0 8 0 sosppl 128 12 0 10 2 1 1 1 0 8 0 sockpl 400 1421 0 1401 8 0 8 8 0 8 5 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 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 152 0 0 18 0 18 18 0 8 0 mtagpl 80 12 0 0 1 0 1 1 0 8 0 mbufpl 256 352 0 0 21 0 21 21 0 8 0 bufpl 280 4598 0 174 316 0 316 316 0 8 0 anonpl 16 54950 0 37891 73 3 70 71 0 124 1 amapchunkpl 152 2689 0 2541 20 4 16 20 0 158 10 amappl16 192 1880 0 948 48 0 48 48 0 8 1 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 10 0 9 2 1 1 1 0 8 0 amappl13 168 26 0 25 1 0 1 1 0 8 0 amappl12 160 101 0 95 1 0 1 1 0 8 0 amappl11 152 78 0 64 1 0 1 1 0 8 0 amappl10 144 17 0 14 1 0 1 1 0 8 0 amappl9 136 495 0 489 1 0 1 1 0 8 0 amappl8 128 437 0 407 2 0 2 2 0 8 0 amappl7 120 118 0 107 1 0 1 1 0 8 0 amappl6 112 24 0 21 1 0 1 1 0 8 0 amappl5 104 418 0 402 1 0 1 1 0 8 0 amappl4 96 513 0 481 2 1 1 2 0 8 0 amappl3 88 114 0 109 1 0 1 1 0 8 0 amappl2 80 2521 0 2451 3 1 2 3 0 8 0 amappl1 72 19180 0 18744 25 15 10 20 0 8 0 amappl 80 1203 0 1153 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 15 0 3 1 0 1 1 0 8 0 uaddrrnd 24 435 0 415 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 435 0 415 1 0 1 1 0 8 0 vmmpekpl 168 7426 0 7396 2 0 2 2 0 8 0 vmmpepl 168 59368 0 57257 121 14 107 116 0 357 13 vmsppl 368 434 0 414 2 0 2 2 0 8 0 pdppl 4096 878 0 834 6 0 6 6 0 8 0 pvpl 32 182691 0 162687 172 3 169 172 0 265 5 pmappl 232 434 0 414 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 183 0 3 6 0 6 6 0 8 0