login: uvm_fault(0xffffffff8260f250, 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(0xffffffff8260f250, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800021b83468,ffff800021b834f0,5a6) at sbdrop+0x219 sys/kern/uipc_socket2.c:963 end trace frame: 0xffff800021b83410, count: 0 ddb{0}> trace sbdrop(ffff800021b83468,ffff800021b834f0,5a6) at sbdrop+0x219 sys/kern/uipc_socket2.c:963 sbflush(ffff800021b83468,ffff800021b834f0) at sbflush+0x93 sys/kern/uipc_socket2.c:932 sbrelease(ffff800021b83468,ffff800021b834f0) at sbrelease+0x2e sys/kern/uipc_socket2.c:526 sorflush(fffffd806b116310) at sorflush+0x13d sys/kern/uipc_socket.c:1119 sofree(fffffd806b116310,42) at sofree+0x147 sys/kern/uipc_socket.c:255 soclose(fffffd806b116310,80) at soclose+0x270 sys/kern/uipc_socket.c:327 soo_close(fffffd80646774e0,ffff800020ad6508) at soo_close+0x40 fdrop(fffffd80646774e0,ffff800020ad6508) at fdrop+0xc2 sys/kern/kern_descrip.c:1271 closef(fffffd80646774e0,ffff800020ad6508) at closef+0x11d sys/kern/kern_descrip.c:1255 fdfree(ffff800020ad6508) at fdfree+0x101 sys/kern/kern_descrip.c:1187 exit1(ffff800020ad6508,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ad6508,ffff800021b838b0,ffff800021b83900) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800021b83980) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800021b83980) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc9530, count: -14 ddb{0}> show registers rdi 0 rsi 0x4fa rbp 0xffff800021b833c0 rbx 0xfffffd80793bcc00 rdx 0x49d12 acpi_pdirpa+0x35b7a rcx 0 rax 0 r8 0xffffffff810d5c78 sbdrop+0x248 r9 0x3 r10 0xffdcdc54dae8378a r11 0x6eaf4a57a744f28e r12 0x4fa r13 0x1400 __ALIGN_SIZE+0x400 r14 0xffff800021b834f0 r15 0xfffffd0000000000 rip 0xffffffff810d5c49 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021b83360 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.0) pid=365554 stat=onproc flags process=1018 proc=2000 pri=0, usrpri=64, nice=20 forw=0xffffffffffffffff, list=0xffff800020ad6018,0xffffffff826151d8 process=0xffff800020af5500 user=0xffff800021b7e000, vmspace=0xfffffd807efff730 estcpu=14, cpticks=6, pctcpu=0.5 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 5612 337761 39489 0 3 0x82 piperd syz-executor.1 96624 63511 39489 0 7 0x482 syz-executor.0 39489 62246 60629 0 3 0x82 thrsleep syz-fuzzer 39489 189020 60629 0 3 0x4000082 thrsleep syz-fuzzer 39489 504517 60629 0 3 0x4000082 thrsleep syz-fuzzer 39489 521953 60629 0 3 0x4000082 thrsleep syz-fuzzer 39489 310846 60629 0 3 0x4000082 thrsleep syz-fuzzer 39489 381110 60629 0 3 0x4000082 thrsleep syz-fuzzer 39489 301303 60629 0 3 0x4000082 thrsleep syz-fuzzer 39489 403718 60629 0 3 0x4000082 thrsleep syz-fuzzer 39489 487167 60629 0 3 0x4000082 kqread syz-fuzzer 39489 332456 60629 0 3 0x4000082 thrsleep syz-fuzzer 60629 345226 82015 0 3 0x10008a pause ksh 82015 179471 56462 0 3 0x92 select sshd 12923 502896 1 0 3 0x100083 ttyin getty 56462 348365 1 0 3 0x80 select sshd 91555 159062 98698 74 3 0x100092 bpf pflogd 98698 90320 1 0 3 0x80 netio pflogd 83340 85581 8209 73 3 0x100090 kqread syslogd 8209 171653 1 0 3 0x100082 netio syslogd 98935 507408 1 77 3 0x100090 poll dhclient 17485 375408 1 0 3 0x80 poll dhclient 54965 10999 0 0 3 0x14200 pgzero zerothread 38517 21034 0 0 3 0x14200 aiodoned aiodoned 95512 35404 0 0 3 0x14200 syncer update 99892 489347 0 0 3 0x14200 cleaner cleaner 32134 117650 0 0 3 0x14200 reaper reaper 93411 231909 0 0 3 0x14200 pgdaemon pagedaemon 39327 336812 0 0 3 0x14200 bored crynlk 31741 403499 0 0 3 0x14200 bored crypto 1566 344163 0 0 3 0x40014200 acpi0 acpi0 93711 506483 0 0 3 0x40014200 idle1 14628 136001 0 0 3 0x14200 bored softnet 30305 177184 0 0 3 0x14200 bored systqmp 54555 98026 0 0 3 0x14200 bored systq 37172 125791 0 0 3 0x40014200 bored softclock 82492 310928 0 0 3 0x40014200 idle0 41820 419786 0 0 3 0x14200 bored smr 1 153255 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 9484 6403K 6671K 78643K 10689 0 pcb 13 8K 8K 78643K 29 0 rtable 91 11K 12K 78643K 343 0 ifaddr 46 10K 12K 78643K 57 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1476 0 iov 0 0K 16K 78643K 11 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 1258 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 9 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 87 0 sigio 0 0K 0K 78643K 2 0 proc 63 63K 83K 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 31 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 37 175K 175K 78643K 37 0 exec 0 0K 1K 78643K 215 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 111 21K 25K 78643K 1217 0 UVM aobj 4 2K 2K 78643K 4 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 4 0 NDP 7 0K 0K 78643K 12 0 temp 82 3002K 3066K 78643K 3769 0 kqueue 3 4K 4K 78643K 3 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 6 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 108 0 104 1 0 1 1 0 8 0 rtentry 112 80 0 46 2 0 2 2 0 8 0 unpcb 120 74 0 61 1 0 1 1 0 8 0 syncache 264 6 0 6 2 1 1 1 0 8 1 tcpqe 32 155 0 155 1 0 1 1 0 8 1 tcpcb 544 38 0 34 1 0 1 1 0 8 0 inpcb 280 100 0 93 2 0 2 2 0 8 1 nd6 48 4 0 2 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 21 0 1 1 0 1 1 0 8 0 pfstkey 112 21 0 1 1 0 1 1 0 8 0 pfstate 328 21 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 256 212 0 43 14 0 14 14 0 8 2 art_table 32 213 0 43 2 0 2 2 0 8 0 art_node 16 44 0 13 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 10 0 3 1 0 1 1 0 8 0 shmpl 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 1504 0 96 46 0 46 46 0 8 0 ffsino 272 1504 0 96 95 0 95 95 0 8 0 nchpl 144 1816 0 198 61 0 61 61 0 8 0 uvmvnodes 72 1580 0 0 29 0 29 29 0 8 0 vnodes 208 1580 0 0 84 0 84 84 0 8 0 namei 1024 4819 0 4819 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 5044 0 5044 8 1 7 7 0 8 7 plimitpl 152 23 0 15 1 0 1 1 0 8 0 sigapl 432 286 0 271 3 0 3 3 0 8 1 futexpl 56 1160 0 1160 1 0 1 1 0 8 1 knotepl 112 53 0 34 1 0 1 1 0 8 0 kqueuepl 104 6 0 4 1 0 1 1 0 8 0 pipepl 112 168 0 149 1 0 1 1 0 8 0 fdescpl 496 287 0 271 3 0 3 3 0 8 0 filepl 152 1648 0 1542 5 0 5 5 0 8 0 lockfpl 104 24 0 23 1 0 1 1 0 8 0 lockfspl 48 12 0 11 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 96 107 0 96 1 0 1 1 0 8 0 zombiepl 144 274 0 273 1 0 1 1 0 8 0 processpl 896 304 0 273 4 0 4 4 0 8 0 procpl 632 450 0 410 5 0 5 5 0 8 1 sockpl 384 282 0 257 4 0 4 4 0 8 1 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 170 0 0 21 0 21 21 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 180 0 0 11 0 11 11 0 8 0 bufpl 280 6328 0 1340 357 0 357 357 0 8 0 anonpl 16 40556 0 25769 61 1 60 60 0 125 0 amapchunkpl 152 1389 0 1239 7 0 7 7 0 158 0 amappl16 192 1080 0 292 40 0 40 40 0 8 0 amappl15 184 66 0 62 1 0 1 1 0 8 0 amappl14 176 31 0 27 1 0 1 1 0 8 0 amappl12 160 13 0 11 2 1 1 1 0 8 0 amappl11 152 63 0 46 1 0 1 1 0 8 0 amappl10 144 67 0 59 1 0 1 1 0 8 0 amappl9 136 603 0 600 1 0 1 1 0 8 0 amappl8 128 115 0 95 1 0 1 1 0 8 0 amappl7 120 153 0 141 1 0 1 1 0 8 0 amappl6 112 56 0 48 1 0 1 1 0 8 0 amappl5 104 128 0 115 1 0 1 1 0 8 0 amappl4 96 541 0 509 1 0 1 1 0 8 0 amappl3 88 118 0 110 1 0 1 1 0 8 0 amappl2 80 1386 0 1312 3 1 2 3 0 8 0 amappl1 72 16383 0 15920 25 13 12 20 0 8 2 amappl 80 700 0 649 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 287 0 271 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 287 0 271 1 0 1 1 0 8 0 vmmpekpl 168 6187 0 6157 3 1 2 2 0 8 0 vmmpepl 168 42241 0 40256 115 2 113 113 0 357 26 vmsppl 368 286 0 271 2 0 2 2 0 8 0 pdppl 4096 581 0 542 6 0 6 6 0 8 0 pvpl 32 145676 0 127726 150 0 150 150 0 265 4 pmappl 232 286 0 271 2 0 2 2 0 8 1 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 163 0 3 5 0 5 5 0 8 0