uvm_fault(0xffffffff825c4c90, 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(0xffffffff825c4c90, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800023bd36f8,ffff800023bd3780,2cc) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 end trace frame: 0xffff800023bd36a0, count: 0 ddb{1}> trace sbdrop(ffff800023bd36f8,ffff800023bd3780,2cc) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 sbflush(ffff800023bd36f8,ffff800023bd3780) at sbflush+0x93 sys/kern/uipc_socket2.c:933 sbrelease(ffff800023bd36f8,ffff800023bd3780) at sbrelease+0x2e sys/kern/uipc_socket2.c:527 sorflush(fffffd80744084f0) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd80744084f0,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd80744084f0,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd8065e0d300,ffff800020ac2768) at soo_close+0x40 fdrop(fffffd8065e0d300,ffff800020ac2768) at fdrop+0xc2 sys/kern/kern_descrip.c:1271 closef(fffffd8065e0d300,ffff800020ac2768) at closef+0x11d sys/kern/kern_descrip.c:1255 fdfree(ffff800020ac2768) at fdfree+0x101 sys/kern/kern_descrip.c:1187 exit1(ffff800020ac2768,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ac2768,ffff800023bd3b50,ffff800023bd3ba0) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800023bd3c20) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023bd3c20) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff6a80, count: -14 ddb{1}> show registers rdi 0 rsi 0x28 rbp 0xffff800023bd3650 rbx 0 rdx 0x2fd58 acpi_pdirpa+0x1bbc0 rcx 0 rax 0 r8 0xffffffff81f739b8 sbdrop+0x248 r9 0x3 r10 0xba651002069dee5e r11 0x7eda9c62aaa6f039 r12 0x28 r13 0x100 r14 0xffff800023bd3780 r15 0xfffffd0000000000 rip 0xffffffff81f73989 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800023bd35f0 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> show proc PROC (syz-executor.1) pid=15883 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff800020ac2eb8,0xffffffff82614108 process=0xffff800020aa9a68 user=0xffff800023bce000, vmspace=0xfffffd807f000730 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 55117 107524 43552 0 3 0x80 nanosleep syz-executor.0 55117 462616 43552 0 3 0x4000080 netio syz-executor.0 55117 486978 43552 0 3 0x4000080 fsleep syz-executor.0 43552 332717 43694 0 3 0x82 nanosleep syz-executor.0 85509 225860 0 0 3 0x14200 acct acct 49484 212917 1 0 3 0x100083 ttyin getty 86754 49404 0 0 3 0x14200 bored sosplice 6549 215503 43694 0 3 0x82 nanosleep syz-executor.1 43694 206641 58237 0 3 0x82 thrsleep syz-fuzzer 43694 124053 58237 0 3 0x4000082 nanosleep syz-fuzzer 43694 113081 58237 0 3 0x4000082 nanosleep syz-fuzzer 43694 39713 58237 0 3 0x4000082 thrsleep syz-fuzzer 43694 467038 58237 0 3 0x4000082 kqread syz-fuzzer 43694 235710 58237 0 3 0x4000082 thrsleep syz-fuzzer 43694 435879 58237 0 3 0x4000082 thrsleep syz-fuzzer 43694 218799 58237 0 3 0x4000082 thrsleep syz-fuzzer 43694 422727 58237 0 3 0x4000082 thrsleep syz-fuzzer 43694 505189 58237 0 3 0x4000082 thrsleep syz-fuzzer 58237 97451 54608 0 3 0x10008a pause ksh 54608 518043 38765 0 3 0x92 select sshd 38765 2099 1 0 3 0x80 select sshd 49157 111695 67669 74 3 0x100092 bpf pflogd 67669 58406 1 0 3 0x80 netio pflogd 26118 218243 22174 73 3 0x100090 kqread syslogd 22174 63338 1 0 3 0x100082 netio syslogd 71176 361539 0 0 3 0x14200 pgzero zerothread 81345 416344 0 0 3 0x14200 aiodoned aiodoned 96077 291173 0 0 3 0x14200 syncer update 60916 102920 0 0 3 0x14200 cleaner cleaner 65188 261865 0 0 7 0x14200 reaper 32321 268827 0 0 3 0x14200 pgdaemon pagedaemon 17128 504209 0 0 3 0x14200 bored crynlk 38133 60511 0 0 3 0x14200 bored crypto 97120 411039 0 0 3 0x40014200 acpi0 acpi0 28259 53688 0 0 3 0x40014200 idle1 45991 375141 0 0 3 0x14200 bored softnet 26203 162577 0 0 3 0x14200 bored systqmp 52315 183161 0 0 3 0x14200 bored systq 11513 47874 0 0 3 0x40014200 bored softclock 15333 37243 0 0 3 0x40014200 idle0 8853 340617 0 0 3 0x14200 bored smr 1 37513 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 9551 6624K 7140K 78643K 11584 0 pcb 13 8K 8K 78643K 128 0 rtable 110 4K 4K 78643K 368 0 ifaddr 99 19K 20K 78643K 190 0 counters 43 33K 34K 78643K 71 0 ioctlops 0 0K 4K 78643K 1502 0 iov 0 0K 24K 78643K 92 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1591 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 10 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 20 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 559 0 sigio 0 0K 0K 78643K 9 0 proc 57 51K 95K 78643K 645 0 subproc 32 2K 2K 78643K 85 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 46 0 in_multi 100 4K 4K 78643K 200 0 ether_multi 1 0K 0K 78643K 18 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 103 466K 466K 78643K 103 0 exec 0 0K 1K 78643K 298 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 130 71K 80K 78643K 3114 0 UVM aobj 31 2K 2K 78643K 34 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 77 0 NDP 14 0K 0K 78643K 41 0 temp 139 3018K 3086K 78643K 8080 0 kqueue 3 4K 22K 78643K 75 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 18 0 10 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 73 0 71 3 2 1 1 0 8 0 rtentry 112 107 0 62 2 0 2 2 0 8 0 unpcb 120 1359 0 1344 4 2 2 2 0 8 1 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 168 0 168 1 1 0 1 0 8 0 tcpcb 544 254 0 248 2 0 2 2 0 8 1 inpcb 280 1085 0 1067 6 3 3 3 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 13 0 10 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 2 0 2 2 1 1 1 0 8 1 pffrag 232 9 0 9 4 4 0 1 0 482 0 pffrnode 88 9 0 9 4 4 0 1 0 8 0 pffrent 40 363 0 363 4 4 0 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 70 0 33 1 0 1 1 0 8 0 pfstkey 112 70 0 33 2 0 2 2 0 8 0 pfstate 328 70 0 33 5 0 5 5 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 493 0 263 16 1 15 15 0 8 0 art_table 32 495 0 263 2 0 2 2 0 8 0 art_node 16 106 0 64 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 11 2 1 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 14 0 4 1 0 1 1 0 8 0 shmpl 112 32 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2212 0 808 46 0 46 46 0 8 0 ffsino 272 2212 0 808 95 0 95 95 0 8 0 nchpl 144 3236 0 1627 61 0 61 61 0 8 0 uvmvnodes 72 2520 0 0 46 0 46 46 0 8 0 vnodes 208 2520 0 0 133 0 133 133 0 8 0 namei 1024 9901 0 9901 1 0 1 1 0 8 1 percpumem 16 46 0 14 1 0 1 1 0 8 0 vcpupl 1984 5 0 0 1 0 1 1 0 8 0 vmpool 560 11 0 6 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 10320 0 10320 12 11 1 7 0 8 1 plimitpl 152 65 0 58 1 0 1 1 0 8 0 sigapl 432 750 0 736 3 1 2 3 0 8 0 futexpl 56 10478 0 10477 1 0 1 1 0 8 0 knotepl 112 195 0 176 1 0 1 1 0 8 0 kqueuepl 104 176 0 174 1 0 1 1 0 8 0 pipelkpl 48 202 0 192 1 0 1 1 0 8 0 pipepl 120 404 0 385 1 0 1 1 0 8 0 fdescpl 496 751 0 736 6 4 2 3 0 8 0 filepl 152 6439 0 6329 8 2 6 7 0 8 1 lockfpl 104 123 0 123 2 1 1 1 0 8 1 lockfspl 48 42 0 42 2 1 1 1 0 8 1 sessionpl 112 22 0 13 1 0 1 1 0 8 0 pgrppl 48 24 0 15 1 0 1 1 0 8 0 ucredpl 96 683 0 675 1 0 1 1 0 8 0 zombiepl 144 737 0 736 1 0 1 1 0 8 0 processpl 960 768 0 736 6 1 5 5 0 8 0 procpl 624 2155 0 2110 9 4 5 5 0 8 1 sosppl 128 8 0 8 3 2 1 1 0 8 1 sockpl 400 2540 0 2508 11 5 6 6 0 8 2 mcl64k 65536 13 0 0 2 0 2 2 0 8 0 mcl16k 16384 3 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 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 12 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 172 0 0 21 0 21 21 0 8 0 mtagpl 80 42 0 0 1 0 1 1 0 8 0 mbufpl 256 359 0 0 19 0 19 19 0 8 0 bufpl 280 5864 0 195 405 0 405 405 0 8 0 anonpl 16 111194 0 94030 110 24 86 86 0 125 15 amapchunkpl 152 5141 0 4989 17 8 9 13 0 158 2 amappl16 192 4549 0 3620 83 28 55 58 0 8 8 amappl15 184 65 0 61 1 0 1 1 0 8 0 amappl14 176 53 0 47 1 0 1 1 0 8 0 amappl13 168 255 0 253 1 0 1 1 0 8 0 amappl12 160 55 0 53 1 0 1 1 0 8 0 amappl11 152 200 0 190 1 0 1 1 0 8 0 amappl10 144 16 0 7 1 0 1 1 0 8 0 amappl9 136 700 0 697 1 0 1 1 0 8 0 amappl8 128 226 0 195 2 0 2 2 0 8 0 amappl7 120 126 0 111 1 0 1 1 0 8 0 amappl6 112 182 0 173 1 0 1 1 0 8 0 amappl5 104 210 0 198 1 0 1 1 0 8 0 amappl4 96 968 0 936 1 0 1 1 0 8 0 amappl3 88 191 0 183 1 0 1 1 0 8 0 amappl2 80 5182 0 5104 3 1 2 3 0 8 0 amappl1 72 27246 0 26797 26 16 10 21 0 8 0 amappl 80 2470 0 2421 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 33 0 3 1 0 1 1 0 8 0 uaddrrnd 24 762 0 742 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 762 0 742 1 0 1 1 0 8 0 vmmpekpl 168 10418 0 10381 2 0 2 2 0 8 0 vmmpepl 168 102900 0 100724 156 49 107 128 0 357 12 vmsppl 368 761 0 742 2 0 2 2 0 8 0 pdppl 4096 1531 0 1489 7 1 6 6 0 8 0 pvpl 32 305164 0 284861 243 37 206 206 0 265 41 pmappl 232 761 0 742 4 2 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 198 0 14 6 0 6 6 0 8 0