uvm_fault(0xffffffff825446a0, 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(0xffffffff825446a0, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800020ab7918,ffff800020ab79a0,a52) at sbdrop+0x219 sys/kern/uipc_socket2.c:963 end trace frame: 0xffff800020ab78c0, count: 0 ddb{0}> trace sbdrop(ffff800020ab7918,ffff800020ab79a0,a52) at sbdrop+0x219 sys/kern/uipc_socket2.c:963 sbflush(ffff800020ab7918,ffff800020ab79a0) at sbflush+0x93 sys/kern/uipc_socket2.c:932 sbrelease(ffff800020ab7918,ffff800020ab79a0) at sbrelease+0x2e sys/kern/uipc_socket2.c:526 sorflush(fffffd806f666480) at sorflush+0x13d sys/kern/uipc_socket.c:1119 sofree(fffffd806f666480,42) at sofree+0x147 sys/kern/uipc_socket.c:255 soclose(fffffd806f666480,0) at soclose+0x270 sys/kern/uipc_socket.c:327 soo_close(fffffd8075c4f720,ffff800020ac8290) at soo_close+0x40 fdrop(fffffd8075c4f720,ffff800020ac8290) at fdrop+0xc2 sys/kern/kern_descrip.c:1271 closef(fffffd8075c4f720,ffff800020ac8290) at closef+0x11d sys/kern/kern_descrip.c:1255 fdfree(ffff800020ac8290) at fdfree+0x101 sys/kern/kern_descrip.c:1187 exit1(ffff800020ac8290,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ac8290,ffff800020ab7d60,ffff800020ab7db0) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800020ab7e30) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800020ab7e30) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffedda0, count: -14 ddb{0}> show registers rdi 0 rsi 0x38c rbp 0xffff800020ab7870 rbx 0xfffffd8062c92600 rdx 0x5d614 acpi_pdirpa+0x4947c rcx 0 rax 0 r8 0xffffffff814d8988 sbdrop+0x248 r9 0x3 r10 0xe74c392b8bfd476b r11 0x67256e4526707b75 r12 0x38c r13 0x900 r14 0xffff800020ab79a0 r15 0xfffffd0000000000 rip 0xffffffff814d8959 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020ab7810 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.0) pid=16567 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ac8508,0xffffffff8265aef0 process=0xffff800020af4a80 user=0xffff800020ab2000, vmspace=0xfffffd807ad9f010 estcpu=36, cpticks=7, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 38226 275565 33004 0 2 0x482 syz-executor.1 7259 324437 1 0 3 0x100083 ttyin getty 89172 23995 0 0 3 0x14200 acct acct 72778 276850 0 0 3 0x14200 bored sosplice 71757 11733 33004 0 3 0x82 nanosleep syz-executor.0 33004 69158 82343 0 3 0x82 thrsleep syz-fuzzer 33004 311330 82343 0 3 0x4000082 thrsleep syz-fuzzer 33004 245952 82343 0 3 0x4000082 thrsleep syz-fuzzer 33004 256110 82343 0 3 0x4000082 thrsleep syz-fuzzer 33004 107779 82343 0 3 0x4000082 thrsleep syz-fuzzer 33004 449242 82343 0 3 0x4000082 thrsleep syz-fuzzer 33004 154779 82343 0 3 0x4000082 kqread syz-fuzzer 33004 414701 82343 0 3 0x4000082 thrsleep syz-fuzzer 33004 269225 82343 0 3 0x4000082 thrsleep syz-fuzzer 33004 210260 82343 0 3 0x4000082 thrsleep syz-fuzzer 82343 216712 27 0 3 0x10008a pause ksh 27 247053 86678 0 3 0x92 select sshd 86678 22473 1 0 3 0x80 select sshd 51802 480055 57630 74 3 0x100092 bpf pflogd 57630 267557 1 0 3 0x80 netio pflogd 25560 502345 84285 73 3 0x100090 kqread syslogd 84285 140236 1 0 3 0x100082 netio syslogd 97500 426077 0 0 2 0x14200 zerothread 67375 259773 0 0 3 0x14200 aiodoned aiodoned 57379 261483 0 0 3 0x14200 syncer update 64287 284065 0 0 3 0x14200 cleaner cleaner 39530 168679 0 0 7 0x14200 reaper 76187 220162 0 0 3 0x14200 pgdaemon pagedaemon 17694 405023 0 0 3 0x14200 bored crynlk 68443 118532 0 0 3 0x14200 bored crypto 57461 416034 0 0 3 0x40014200 acpi0 acpi0 90471 235187 0 0 3 0x40014200 idle1 18858 215901 0 0 3 0x14200 bored softnet 76212 236497 0 0 3 0x14200 bored systqmp 90105 251832 0 0 3 0x14200 bored systq 8460 65223 0 0 3 0x40014200 bored softclock 90768 519888 0 0 3 0x40014200 idle0 52733 84304 0 0 3 0x14200 bored smr 1 278656 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 9582 6779K 7332K 78643K 12589 0 pcb 13 10K 12K 78643K 1950 0 rtable 100 3K 4K 78643K 479 0 ifaddr 107 19K 20K 78643K 237 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1527 0 iov 0 0K 24K 78643K 140 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1935 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 13 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 248 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 1561 0 sigio 0 0K 0K 78643K 13 0 proc 61 63K 95K 78643K 711 0 subproc 32 2K 2K 78643K 102 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 87 0 in_multi 81 3K 4K 78643K 224 0 ether_multi 1 0K 0K 78643K 19 0 mrt 0 0K 0K 78643K 6 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 302 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 126 103K 103K 78643K 5595 0 UVM aobj 57 2K 2K 78643K 59 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 103 0 NDP 19 0K 0K 78643K 54 0 temp 156 3015K 3155K 78643K 26122 0 kqueue 3 4K 20K 78643K 86 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 24 0 17 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 75 0 74 2 1 1 1 0 8 0 rtentry 112 123 0 83 2 0 2 2 0 8 0 unpcb 120 2566 0 2557 1 0 1 1 0 8 0 syncache 264 9 0 9 3 3 0 1 0 8 0 sackhl 24 1 0 1 1 0 1 1 0 8 1 tcpqe 32 194 0 194 2 2 0 1 0 8 0 tcpcb 544 3667 0 3660 24 22 2 12 0 8 1 inpcb 280 7891 0 7884 17 14 3 9 0 8 2 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 17 0 15 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 11 0 11 6 5 1 1 0 8 1 pffrag 232 5 0 5 1 0 1 1 0 482 1 pffrnode 88 5 0 5 1 0 1 1 0 8 1 pffrent 40 220 0 220 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 24 627 0 549 1 0 1 1 0 8 0 pfstkey 112 628 0 550 3 0 3 3 0 8 0 pfstate 328 628 0 511 16 1 15 15 0 8 1 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 256 560 0 369 18 3 15 16 0 8 1 art_table 32 561 0 369 2 0 2 2 0 8 0 art_node 16 122 0 85 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 17 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 244 0 234 1 0 1 1 0 8 0 shmpl 112 57 0 2 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 3326 0 1922 46 0 46 46 0 8 0 ffsino 272 3326 0 1922 95 0 95 95 0 8 0 nchpl 144 7486 0 5883 61 0 61 61 0 8 0 uvmvnodes 72 3942 0 0 72 0 72 72 0 8 0 vnodes 208 3942 0 0 208 0 208 208 0 8 0 namei 1024 19764 0 19764 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 8 0 0 1 0 1 1 0 8 0 vmpool 560 12 0 4 1 0 1 1 0 8 0 scxspl 192 15834 0 15834 8 7 1 6 0 8 1 plimitpl 152 57 0 50 1 0 1 1 0 8 0 sigapl 432 1750 0 1737 3 1 2 3 0 8 0 futexpl 56 42163 0 42163 1 0 1 1 0 8 1 knotepl 112 204 0 185 1 0 1 1 0 8 0 kqueuepl 104 416 0 414 7 6 1 4 0 8 0 pipelkpl 48 270 0 260 1 0 1 1 0 8 0 pipepl 120 540 0 521 2 1 1 2 0 8 0 fdescpl 496 1751 0 1737 3 0 3 3 0 8 0 filepl 152 21096 0 21002 22 16 6 13 0 8 1 lockfpl 104 335 0 335 1 0 1 1 0 8 1 lockfspl 48 106 0 106 1 0 1 1 0 8 1 sessionpl 112 24 0 15 1 0 1 1 0 8 0 pgrppl 48 770 0 761 1 0 1 1 0 8 0 ucredpl 96 2830 0 2822 1 0 1 1 0 8 0 zombiepl 144 1738 0 1736 1 0 1 1 0 8 0 processpl 896 1768 0 1736 4 0 4 4 0 8 0 procpl 632 4608 0 4566 6 1 5 5 0 8 1 srpgc 64 8 0 8 3 3 0 1 0 8 0 sosppl 128 22 0 22 3 3 0 1 0 8 0 sockpl 384 10588 0 10569 24 19 5 14 0 8 2 mcl64k 65536 16 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 7 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 18 0 0 3 0 3 3 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 211 0 0 26 0 26 26 0 8 0 mtagpl 80 34 0 0 1 0 1 1 0 8 0 mbufpl 256 658 0 0 38 0 38 38 0 8 0 bufpl 280 8679 0 1609 506 0 506 506 0 8 0 anonpl 16 156448 0 140774 84 18 66 77 0 125 0 amapchunkpl 152 8904 0 8754 8 1 7 8 0 158 0 amappl16 192 7692 0 6845 66 22 44 55 0 8 1 amappl15 184 68 0 65 1 0 1 1 0 8 0 amappl14 176 956 0 950 1 0 1 1 0 8 0 amappl13 168 331 0 331 2 2 0 1 0 8 0 amappl12 160 56 0 55 2 1 1 1 0 8 0 amappl11 152 71 0 62 1 0 1 1 0 8 0 amappl10 144 214 0 210 1 0 1 1 0 8 0 amappl9 136 663 0 660 1 0 1 1 0 8 0 amappl8 128 165 0 140 1 0 1 1 0 8 0 amappl7 120 319 0 306 1 0 1 1 0 8 0 amappl6 112 62 0 54 1 0 1 1 0 8 0 amappl5 104 214 0 202 1 0 1 1 0 8 0 amappl4 96 1965 0 1933 1 0 1 1 0 8 0 amappl3 88 572 0 563 1 0 1 1 0 8 0 amappl2 80 13038 0 12968 3 1 2 3 0 8 0 amappl1 72 48900 0 48466 27 17 10 21 0 8 0 amappl 80 4930 0 4879 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 58 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1763 0 1741 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1763 0 1741 1 0 1 1 0 8 0 vmmpekpl 168 15144 0 15109 2 0 2 2 0 8 0 vmmpepl 168 218315 0 216326 152 38 114 122 0 357 20 vmsppl 368 1762 0 1741 3 0 3 3 0 8 0 pdppl 4096 3533 0 3490 6 0 6 6 0 8 0 pvpl 32 457565 0 438868 194 21 173 185 0 265 18 pmappl 232 1762 0 1741 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 226 0 28 6 0 6 6 0 8 0