login: uvm_fault(0xffffffff82511db8, 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(0xffffffff82511db8, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800020b734b8,ffff800020b73540,38e) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 end trace frame: 0xffff800020b73460, count: 0 ddb{0}> trace sbdrop(ffff800020b734b8,ffff800020b73540,38e) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 sbflush(ffff800020b734b8,ffff800020b73540) at sbflush+0x93 sys/kern/uipc_socket2.c:933 sbrelease(ffff800020b734b8,ffff800020b73540) at sbrelease+0x2e sys/kern/uipc_socket2.c:527 sorflush(fffffd806aabc1a0) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd806aabc1a0,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd806aabc1a0,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd80666f0a18,ffff800020ae6288) at soo_close+0x40 fdrop(fffffd80666f0a18,ffff800020ae6288) at fdrop+0xc2 sys/kern/kern_descrip.c:1271 closef(fffffd80666f0a18,ffff800020ae6288) at closef+0x11d sys/kern/kern_descrip.c:1255 fdfree(ffff800020ae6288) at fdfree+0x101 sys/kern/kern_descrip.c:1187 exit1(ffff800020ae6288,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ae6288,ffff800020b73910,ffff800020b73960) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800020b739e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020b739e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc1fb0, count: -14 ddb{0}> show registers rdi 0 rsi 0x38c rbp 0xffff800020b73410 rbx 0xfffffd8063a39b00 rdx 0x4d838 acpi_pdirpa+0x396a0 rcx 0 rax 0 r8 0xffffffff8111e6c8 sbdrop+0x248 r9 0x3 r10 0x7556c694ebd91c85 r11 0x67613c5e78559aca r12 0x38c r13 0x900 r14 0xffff800020b73540 r15 0xfffffd0000000000 rip 0xffffffff8111e699 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020b733b0 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.1) pid=283829 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ae7878,0xffff800020ae6508 process=0xffff800020ac96a0 user=0xffff800020b6e000, vmspace=0xfffffd807f0008a0 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 29150 247608 49139 0 2 0 syz-executor.0 29150 289126 49139 0 2 0x4000000 syz-executor.0 32218 105476 0 0 3 0x14200 bored sosplice 54671 364911 15639 0 3 0x82 nanosleep syz-executor.1 49139 17761 15639 0 3 0x82 nanosleep syz-executor.0 15639 298282 26530 0 3 0x82 thrsleep syz-fuzzer 15639 462068 26530 0 3 0x4000082 nanosleep syz-fuzzer 15639 469808 26530 0 3 0x4000082 thrsleep syz-fuzzer 15639 151517 26530 0 3 0x4000082 thrsleep syz-fuzzer 15639 279134 26530 0 3 0x4000082 thrsleep syz-fuzzer 15639 264446 26530 0 3 0x4000082 kqread syz-fuzzer 15639 429594 26530 0 3 0x4000082 thrsleep syz-fuzzer 15639 111989 26530 0 3 0x4000082 thrsleep syz-fuzzer 15639 185042 26530 0 3 0x4000082 thrsleep syz-fuzzer 15639 450005 26530 0 3 0x4000082 thrsleep syz-fuzzer 26530 346265 57737 0 3 0x10008a pause ksh 57737 108735 59372 0 3 0x92 select sshd 55786 281464 1 0 3 0x100083 ttyin getty 59372 198219 1 0 3 0x80 select sshd 25660 207458 16290 74 3 0x100092 bpf pflogd 16290 456546 1 0 3 0x80 netio pflogd 66130 232681 62002 73 3 0x100090 kqread syslogd 62002 471705 1 0 3 0x100082 netio syslogd 32060 145787 1 77 7 0x100010 dhclient 3053 39219 1 0 3 0x80 poll dhclient 68905 395320 0 0 2 0x14200 zerothread 42138 348138 0 0 3 0x14200 aiodoned aiodoned 35984 219153 0 0 3 0x14200 syncer update 98441 443452 0 0 3 0x14200 cleaner cleaner 16781 191598 0 0 3 0x14200 reaper reaper 26259 106826 0 0 3 0x14200 pgdaemon pagedaemon 19568 258640 0 0 3 0x14200 bored crynlk 54069 431931 0 0 3 0x14200 bored crypto 75448 187484 0 0 3 0x40014200 acpi0 acpi0 47054 330531 0 0 3 0x40014200 idle1 73892 365327 0 0 2 0x14200 softnet 62775 6745 0 0 3 0x14200 bored systqmp 36882 466888 0 0 2 0x14200 systq 36292 274980 0 0 3 0x40014200 bored softclock 5777 12802 0 0 3 0x40014200 idle0 85279 243410 0 0 3 0x14200 bored smr 1 423840 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 9517 6541K 6792K 78643K 10871 0 pcb 13 8K 8K 78643K 51 0 rtable 110 4K 4K 78643K 260 0 ifaddr 69 13K 13K 78643K 88 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1473 0 iov 0 0K 16K 78643K 22 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1317 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 13 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 146 0 sigio 0 0K 0K 78643K 6 0 proc 62 63K 83K 78643K 458 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 6 0 in_multi 47 2K 2K 78643K 57 0 ether_multi 1 0K 0K 78643K 6 0 mrt 0 0K 0K 78643K 4 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 235 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 114 38K 38K 78643K 1417 0 UVM aobj 7 2K 2K 78643K 9 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 20 0 NDP 11 0K 0K 78643K 18 0 temp 90 3009K 3073K 78643K 5445 0 kqueue 3 4K 15K 78643K 57 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 9 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 23 0 21 1 0 1 1 0 8 0 rtentry 112 52 0 7 2 0 2 2 0 8 0 unpcb 120 203 0 193 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 76 0 76 1 1 0 1 0 8 0 tcpcb 544 46 0 40 1 0 1 1 0 8 0 inpcb 280 222 0 213 2 0 2 2 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 3 0 3 1 0 1 1 0 8 1 pffrag 232 2 0 2 1 0 1 1 0 482 1 pffrnode 88 2 0 2 1 0 1 1 0 8 1 pffrent 40 90 0 90 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 22 0 2 1 0 1 1 0 8 0 pfstkey 112 22 0 2 1 0 1 1 0 8 0 pfstate 328 22 0 2 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 256 230 0 6 14 0 14 14 0 8 0 art_table 32 231 0 6 2 0 2 2 0 8 0 art_node 16 51 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 11 0 1 1 0 1 1 0 8 0 shmpl 112 7 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1603 0 196 46 0 46 46 0 8 0 ffsino 272 1603 0 196 95 0 95 95 0 8 0 nchpl 144 2014 0 392 61 0 61 61 0 8 0 uvmvnodes 72 1723 0 0 32 0 32 32 0 8 0 vnodes 208 1723 0 0 91 0 91 91 0 8 0 namei 1024 5464 0 5464 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 2 0 0 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 0 1 1 0 8 1 scxspl 192 5664 0 5664 8 1 7 7 0 8 7 plimitpl 152 33 0 25 1 0 1 1 0 8 0 sigapl 432 345 0 329 3 1 2 3 0 8 0 futexpl 56 2531 0 2531 1 0 1 1 0 8 1 knotepl 112 109 0 90 1 0 1 1 0 8 0 kqueuepl 104 188 0 186 1 0 1 1 0 8 0 pipelkpl 48 114 0 104 1 0 1 1 0 8 0 pipepl 120 228 0 209 1 0 1 1 0 8 0 fdescpl 496 346 0 329 3 0 3 3 0 8 0 filepl 152 2276 0 2172 6 0 6 6 0 8 1 lockfpl 104 34 0 33 1 0 1 1 0 8 0 lockfspl 48 14 0 13 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 96 133 0 124 1 0 1 1 0 8 0 zombiepl 144 330 0 329 1 0 1 1 0 8 0 processpl 960 362 0 329 5 0 5 5 0 8 0 procpl 624 647 0 604 4 0 4 4 0 8 0 sosppl 128 2 0 2 1 0 1 1 0 8 1 sockpl 400 453 0 431 4 0 4 4 0 8 1 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 167 0 0 20 0 20 20 0 8 0 mtagpl 80 9 0 0 1 0 1 1 0 8 0 mbufpl 256 260 0 0 15 0 15 15 0 8 0 bufpl 280 6560 0 1342 373 0 373 373 0 8 0 anonpl 16 49955 0 33530 78 1 77 77 0 125 11 amapchunkpl 152 1729 0 1588 8 1 7 8 0 158 1 amappl16 192 1663 0 770 53 3 50 53 0 8 5 amappl15 184 58 0 55 1 0 1 1 0 8 0 amappl14 176 39 0 35 1 0 1 1 0 8 0 amappl13 168 10 0 9 2 1 1 1 0 8 0 amappl12 160 4 0 3 2 1 1 1 0 8 0 amappl11 152 51 0 36 1 0 1 1 0 8 0 amappl10 144 13 0 7 1 0 1 1 0 8 0 amappl9 136 717 0 709 1 0 1 1 0 8 0 amappl8 128 222 0 202 1 0 1 1 0 8 0 amappl7 120 104 0 93 1 0 1 1 0 8 0 amappl6 112 59 0 53 1 0 1 1 0 8 0 amappl5 104 129 0 115 1 0 1 1 0 8 0 amappl4 96 592 0 561 1 0 1 1 0 8 0 amappl3 88 120 0 110 1 0 1 1 0 8 0 amappl2 80 1833 0 1749 3 1 2 3 0 8 0 amappl1 72 17864 0 17396 26 16 10 21 0 8 0 amappl 80 895 0 847 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 8 0 2 1 0 1 1 0 8 0 uaddrrnd 24 348 0 329 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 348 0 329 1 0 1 1 0 8 0 vmmpekpl 168 6785 0 6749 2 0 2 2 0 8 0 vmmpepl 168 49737 0 47556 126 11 115 121 0 357 20 vmsppl 368 347 0 329 2 0 2 2 0 8 0 pdppl 4096 703 0 660 6 0 6 6 0 8 0 pvpl 32 164104 0 144402 185 0 185 185 0 265 25 pmappl 232 347 0 329 3 1 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 173 0 3 5 0 5 5 0 8 0