uvm_fault(0xffffffff82531700, 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(0xffffffff82531700, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800022bd8a78,ffff800022bd8b00,980) at sbdrop+0x219 sys/kern/uipc_socket2.c:963 end trace frame: 0xffff800022bd8a20, count: 0 ddb{0}> trace sbdrop(ffff800022bd8a78,ffff800022bd8b00,980) at sbdrop+0x219 sys/kern/uipc_socket2.c:963 sbflush(ffff800022bd8a78,ffff800022bd8b00) at sbflush+0x93 sys/kern/uipc_socket2.c:932 sbrelease(ffff800022bd8a78,ffff800022bd8b00) at sbrelease+0x2e sys/kern/uipc_socket2.c:526 sorflush(fffffd80705d3ab8) at sorflush+0x13d sys/kern/uipc_socket.c:1105 sofree(fffffd80705d3ab8,42) at sofree+0x147 sys/kern/uipc_socket.c:241 soclose(fffffd80705d3ab8,0) at soclose+0x270 sys/kern/uipc_socket.c:313 soo_close(fffffd8061f1bd30,ffff800020aa0a00) at soo_close+0x40 fdrop(fffffd8061f1bd30,ffff800020aa0a00) at fdrop+0xc2 sys/kern/kern_descrip.c:1273 closef(fffffd8061f1bd30,ffff800020aa0a00) at closef+0x11d sys/kern/kern_descrip.c:1257 fdfree(ffff800020aa0a00) at fdfree+0x101 sys/kern/kern_descrip.c:1189 exit1(ffff800020aa0a00,0,0,1) at exit1+0x33f sys/kern/kern_exit.c:196 sys_exit(ffff800020aa0a00,ffff800022bd8ec0,ffff800022bd8f10) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800022bd8f90) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800022bd8f90) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe34a0, count: -14 ddb{0}> show registers rdi 0 rsi 0x5c2 rbp 0xffff800022bd89d0 rbx 0xfffffd806c922300 rdx 0x5e1ac acpi_pdirpa+0x4a014 rcx 0 rax 0 r8 0xffffffff8143e5b8 sbdrop+0x248 r9 0x3 r10 0x500736197a8f4190 r11 0x5670390e6899f980 r12 0x5c2 r13 0x1200 __ALIGN_SIZE+0x200 r14 0xffff800022bd8b00 r15 0xfffffd0000000000 rip 0xffffffff8143e589 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800022bd8970 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.0) pid=357757 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff800020a99160,0xffff800020aa0f00 process=0xffff800020aa23a0 user=0xffff800022bd4000, vmspace=0xfffffd807f0052e0 estcpu=27, cpticks=7, pctcpu=0.13 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 44790 273256 69144 0 3 0x90 nanosleep syz-executor.1 44790 26222 69144 0 3 0x4000090 kqread syz-executor.1 44790 75571 69144 0 3 0x4000090 fsleep syz-executor.1 93606 281108 0 0 3 0x14200 acct acct 38461 359591 0 0 3 0x14200 bored sosplice 85673 93466 72938 0 3 0x82 nanosleep syz-executor.0 69144 427341 72938 0 3 0x82 nanosleep syz-executor.1 72938 48164 28474 0 3 0x82 thrsleep syz-fuzzer 72938 34207 28474 0 3 0x4000082 thrsleep syz-fuzzer 72938 481869 28474 0 3 0x4000082 thrsleep syz-fuzzer 72938 522593 28474 0 3 0x4000082 thrsleep syz-fuzzer 72938 493344 28474 0 3 0x4000082 thrsleep syz-fuzzer 72938 425705 28474 0 3 0x4000082 kqread syz-fuzzer 72938 57275 28474 0 3 0x4000082 thrsleep syz-fuzzer 72938 444115 28474 0 3 0x4000082 thrsleep syz-fuzzer 72938 74714 28474 0 3 0x4000082 thrsleep syz-fuzzer 72938 297624 28474 0 3 0x4000082 thrsleep syz-fuzzer 28474 55354 33117 0 3 0x10008a pause ksh 33117 102234 21673 0 3 0x92 select sshd 23407 95813 1 0 3 0x100083 ttyin getty 21673 409692 1 0 3 0x80 select sshd 42929 449174 99088 74 3 0x100092 bpf pflogd 99088 343048 1 0 3 0x80 netio pflogd 61493 133618 50778 73 3 0x100090 kqread syslogd 50778 451893 1 0 3 0x100082 netio syslogd 77212 400295 1 77 2 0x100010 dhclient 31976 375074 1 0 7 0 dhclient 89396 20504 0 0 3 0x14200 pgzero zerothread 78780 114130 0 0 3 0x14200 aiodoned aiodoned 17254 67970 0 0 3 0x14200 syncer update 10329 392808 0 0 3 0x14200 cleaner cleaner 47855 27919 0 0 3 0x14200 reaper reaper 75764 342960 0 0 3 0x14200 pgdaemon pagedaemon 43363 120293 0 0 3 0x14200 bored crynlk 80991 419585 0 0 3 0x14200 bored crypto 1503 149834 0 0 3 0x14200 bored viomb 91963 330498 0 0 3 0x40014200 acpi0 acpi0 9462 63797 0 0 3 0x40014200 idle1 21835 217263 0 0 3 0x14200 bored softnet 88837 49512 0 0 3 0x14200 bored systqmp 9591 438472 0 0 3 0x14200 bored systq 41686 232301 0 0 3 0x40014200 bored softclock 1300 45026 0 0 3 0x40014200 idle0 64009 512506 0 0 3 0x14200 bored smr 1 252756 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 9542 6431K 6948K 78643K 11232 0 pcb 13 8K 8K 78643K 103 0 rtable 110 12K 12K 78643K 389 0 ifaddr 82 15K 16K 78643K 154 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1475 0 iov 0 0K 16K 78643K 70 0 mount 1 1K 1K 78643K 1 0 vnodes 1216 76K 77K 78643K 1425 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 8 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 121 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1810 197K 290K 78643K 12817 0 file desc 6 17K 25K 78643K 349 0 sigio 0 0K 0K 78643K 6 0 proc 60 63K 83K 78643K 494 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 20 0 in_multi 59 3K 3K 78643K 91 0 ether_multi 1 0K 0K 78643K 4 0 mrt 0 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 54 238K 238K 78643K 54 0 exec 0 0K 1K 78643K 222 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 129 22K 26K 78643K 2055 0 UVM aobj 24 2K 2K 78643K 24 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 95 0 NDP 14 0K 0K 78643K 33 0 temp 135 3032K 3100K 78643K 13747 0 kqueue 0 0K 0K 78643K 2 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 10 0 4 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 68 0 65 1 0 1 1 0 8 0 rtentry 112 67 0 25 2 0 2 2 0 8 0 unpcb 120 247 0 233 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 426 0 426 2 2 0 1 0 8 0 tcpcb 544 142 0 136 2 1 1 2 0 8 0 inpcb 280 819 0 806 4 2 2 4 0 8 1 nd6 48 7 0 4 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1128 8 0 8 2 1 1 1 0 8 1 pffrag 232 6 0 6 2 1 1 1 0 482 1 pffrnode 88 6 0 6 2 1 1 1 0 8 1 pffrent 40 229 0 229 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 39 0 5 1 0 1 1 0 8 0 pfstkey 112 39 0 5 1 0 1 1 0 8 0 pfstate 328 39 0 5 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 256 301 0 92 15 1 14 14 0 8 0 art_table 32 302 0 92 2 0 2 2 0 8 0 art_node 16 66 0 27 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 117 0 107 1 0 1 1 0 8 0 shmpl 112 22 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1936 0 524 46 0 46 46 0 8 0 ffsino 272 1936 0 524 95 0 95 95 0 8 0 nchpl 144 2627 0 1029 61 0 61 61 0 8 0 uvmvnodes 72 2131 0 0 39 0 39 39 0 8 0 vnodes 208 2131 0 0 113 0 113 113 0 8 0 namei 1024 7356 0 7356 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 7651 0 7651 10 9 1 7 0 8 1 plimitpl 152 32 0 24 1 0 1 1 0 8 0 sigapl 432 545 0 529 3 1 2 3 0 8 0 futexpl 56 6756 0 6755 1 0 1 1 0 8 0 knotepl 112 132 0 113 1 0 1 1 0 8 0 kqueuepl 104 130 0 123 1 0 1 1 0 8 0 pipepl 160 284 0 265 3 1 2 2 0 8 1 fdescpl 488 546 0 529 3 0 3 3 0 8 0 filepl 152 3917 0 3798 10 4 6 8 0 8 1 lockfpl 104 221 0 219 1 0 1 1 0 8 0 lockfspl 48 76 0 74 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 19 0 8 1 0 1 1 0 8 0 ucredpl 96 302 0 291 1 0 1 1 0 8 0 zombiepl 144 530 0 529 2 1 1 1 0 8 0 processpl 904 564 0 529 4 0 4 4 0 8 0 procpl 632 1221 0 1175 5 0 5 5 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 3 0 3 1 1 0 1 0 8 0 sockpl 384 1146 0 1115 8 4 4 7 0 8 0 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 8 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 187 0 0 23 0 23 23 0 8 0 mtagpl 80 14 0 0 1 0 1 1 0 8 0 mbufpl 256 282 0 0 17 0 17 17 0 8 0 bufpl 280 7005 0 1343 405 0 405 405 0 8 0 anonpl 16 73081 0 53401 97 1 96 96 0 125 15 amapchunkpl 152 2855 0 2681 9 1 8 8 0 158 1 amappl16 192 2735 0 1675 65 4 61 65 0 8 7 amappl15 184 60 0 56 1 0 1 1 0 8 0 amappl14 176 46 0 42 2 1 1 1 0 8 0 amappl13 168 2 0 1 1 0 1 1 0 8 0 amappl12 160 271 0 265 2 1 1 1 0 8 0 amappl11 152 62 0 46 1 0 1 1 0 8 0 amappl10 144 25 0 17 1 0 1 1 0 8 0 amappl9 136 600 0 597 1 0 1 1 0 8 0 amappl8 128 185 0 157 2 0 2 2 0 8 0 amappl7 120 111 0 98 1 0 1 1 0 8 0 amappl6 112 61 0 53 1 0 1 1 0 8 0 amappl5 104 495 0 478 1 0 1 1 0 8 0 amappl4 96 634 0 603 1 0 1 1 0 8 0 amappl3 88 270 0 261 1 0 1 1 0 8 0 amappl2 80 3229 0 3142 3 1 2 3 0 8 0 amappl1 72 21591 0 21109 27 17 10 21 0 8 0 amappl 80 1492 0 1439 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 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 23 0 0 1 0 1 1 0 8 0 uaddrrnd 24 546 0 529 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 546 0 529 1 0 1 1 0 8 0 vmmpekpl 168 8107 0 8077 2 0 2 2 0 8 0 vmmpepl 168 74605 0 72213 157 27 130 140 0 357 26 vmsppl 368 545 0 529 2 0 2 2 0 8 0 pdppl 4096 1099 0 1058 7 1 6 6 0 8 0 pvpl 32 221332 0 197823 224 2 222 222 0 265 32 pmappl 232 545 0 529 2 1 1 2 0 8 0 extentpl 40 50 0 32 1 0 1 1 0 8 0 phpool 112 181 0 7 5 0 5 5 0 8 0