uvm_fault(0xffffffff825ff988, 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(0xffffffff825ff988, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800020ad7828,ffff800020ad78b0,b04) at sbdrop+0x219 sys/kern/uipc_socket2.c:963 end trace frame: 0xffff800020ad77d0, count: 0 ddb{1}> trace sbdrop(ffff800020ad7828,ffff800020ad78b0,b04) at sbdrop+0x219 sys/kern/uipc_socket2.c:963 sbflush(ffff800020ad7828,ffff800020ad78b0) at sbflush+0x93 sys/kern/uipc_socket2.c:932 sbrelease(ffff800020ad7828,ffff800020ad78b0) at sbrelease+0x2e sys/kern/uipc_socket2.c:526 sorflush(fffffd8063050618) at sorflush+0x13d sys/kern/uipc_socket.c:1119 sofree(fffffd8063050618,42) at sofree+0x147 sys/kern/uipc_socket.c:255 soclose(fffffd8063050618,0) at soclose+0x270 sys/kern/uipc_socket.c:327 soo_close(fffffd8064360318,ffff800020ac98c8) at soo_close+0x40 fdrop(fffffd8064360318,ffff800020ac98c8) at fdrop+0xc2 sys/kern/kern_descrip.c:1271 closef(fffffd8064360318,ffff800020ac98c8) at closef+0x11d sys/kern/kern_descrip.c:1255 fdfree(ffff800020ac98c8) at fdfree+0x101 sys/kern/kern_descrip.c:1187 exit1(ffff800020ac98c8,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ac98c8,ffff800020ad7c70,ffff800020ad7cc0) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800020ad7d40) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800020ad7d40) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd7710, count: -14 ddb{1}> show registers rdi 0 rsi 0x5c2 rbp 0xffff800020ad7780 rbx 0xfffffd8062f9e100 rdx 0x26864 acpi_pdirpa+0x126cc rcx 0 rax 0 r8 0xffffffff811fbcd8 sbdrop+0x248 r9 0x3 r10 0x1c747f2b2d1534b8 r11 0xca7206669e2c901e r12 0x5c2 r13 0x1200 __ALIGN_SIZE+0x200 r14 0xffff800020ad78b0 r15 0xfffffd0000000000 rip 0xffffffff811fbca9 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020ad7720 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> show proc PROC (syz-executor.0) pid=89535 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=76, nice=20 forw=0xffffffffffffffff, list=0xffff800020ad8c68,0xffffffff82635d78 process=0xffff800020a63c08 user=0xffff800020ad2000, vmspace=0xfffffd806e7a1008 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 9626 210783 1 0 3 0x100083 ttyin getty 63805 307004 0 0 3 0x14200 bored sosplice 32786 343223 31812 0 3 0x82 nanosleep syz-executor.1 72171 249645 31812 0 3 0x82 nanosleep syz-executor.0 31812 357421 11773 0 3 0x82 thrsleep syz-fuzzer 31812 77063 11773 0 3 0x4000082 nanosleep syz-fuzzer 31812 491465 11773 0 3 0x4000082 thrsleep syz-fuzzer 31812 397448 11773 0 3 0x4000082 thrsleep syz-fuzzer 31812 121691 11773 0 3 0x4000082 thrsleep syz-fuzzer 31812 452195 11773 0 3 0x4000082 thrsleep syz-fuzzer 31812 310296 11773 0 3 0x4000082 thrsleep syz-fuzzer 31812 162062 11773 0 3 0x4000082 thrsleep syz-fuzzer 31812 311195 11773 0 3 0x4000082 thrsleep syz-fuzzer 31812 24505 11773 0 3 0x4000082 kqread syz-fuzzer 11773 243381 64731 0 3 0x10008a pause ksh 64731 151122 82050 0 3 0x92 select sshd 82050 468087 1 0 3 0x80 select sshd 7079 390952 13283 74 3 0x100092 bpf pflogd 13283 281551 1 0 3 0x80 netio pflogd 19553 384960 58513 73 3 0x100090 kqread syslogd 58513 49461 1 0 3 0x100082 netio syslogd 7124 454098 1 77 3 0x100090 poll dhclient 60890 344967 1 0 7 0 dhclient 56309 20815 0 0 3 0x14200 pgzero zerothread 48019 198014 0 0 3 0x14200 aiodoned aiodoned 58612 266246 0 0 3 0x14200 syncer update 133 232399 0 0 3 0x14200 cleaner cleaner 11587 101497 0 0 3 0x14200 reaper reaper 22908 449410 0 0 3 0x14200 pgdaemon pagedaemon 98741 452686 0 0 3 0x14200 bored crynlk 37437 389069 0 0 3 0x14200 bored crypto 83819 466427 0 0 3 0x40014200 acpi0 acpi0 52697 341114 0 0 3 0x40014200 idle1 5079 184902 0 0 3 0x14200 bored softnet 12782 66491 0 0 3 0x14200 bored systqmp 69542 319264 0 0 3 0x14200 bored systq 94262 506532 0 0 3 0x40014200 bored softclock 73746 408124 0 0 3 0x40014200 idle0 71587 380534 0 0 3 0x14200 bored smr 1 307 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 9544 6615K 9066K 78643K 11652 0 pcb 13 8K 8K 78643K 45 0 rtable 110 4K 4K 78643K 325 0 ifaddr 82 15K 15K 78643K 113 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1485 0 iov 0 0K 24K 78643K 45 0 mount 1 1K 1K 78643K 1 0 vnodes 1242 78K 78K 78643K 1591 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 49 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 202 0 sigio 0 0K 0K 78643K 8 0 proc 61 63K 95K 78643K 476 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 98 0 in_multi 50 2K 3K 78643K 74 0 ether_multi 1 0K 0K 78643K 7 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 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 214 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 122 54K 54K 78643K 1658 0 UVM aobj 15 4K 4K 78643K 15 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 23 0 NDP 14 0K 0K 78643K 23 0 temp 122 3014K 3077K 78643K 8682 0 kqueue 3 4K 8K 78643K 13 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 9 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 87 0 84 1 0 1 1 0 8 0 rtentry 112 50 0 5 2 0 2 2 0 8 0 unpcb 120 111 0 101 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 274 0 274 1 1 0 1 0 8 0 tcpcb 544 114 0 108 1 0 1 1 0 8 0 inpcb 280 277 0 264 2 0 2 2 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 5 0 5 1 0 1 1 0 8 1 pffrag 232 4 0 4 1 0 1 1 0 482 1 pffrnode 88 4 0 4 1 0 1 1 0 8 1 pffrent 40 94 0 94 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 31 0 1 1 0 1 1 0 8 0 pfstkey 112 31 0 1 1 0 1 1 0 8 0 pfstate 328 31 0 1 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 256 226 0 3 14 0 14 14 0 8 0 art_table 32 227 0 3 2 0 2 2 0 8 0 art_node 16 49 0 8 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 12 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 46 0 36 1 0 1 1 0 8 0 shmpl 112 13 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1692 0 284 46 0 46 46 0 8 0 ffsino 272 1692 0 284 95 0 95 95 0 8 0 nchpl 144 2199 0 586 61 0 61 61 0 8 0 uvmvnodes 72 2072 0 0 38 0 38 38 0 8 0 vnodes 208 2072 0 0 110 0 110 110 0 8 0 namei 1024 6255 0 6255 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 3 0 0 1 0 1 1 0 8 0 vmpool 560 3 0 0 1 0 1 1 0 8 0 scxspl 192 6528 0 6528 8 7 1 7 0 8 1 plimitpl 152 32 0 24 1 0 1 1 0 8 0 sigapl 432 402 0 387 3 1 2 3 0 8 0 futexpl 56 4463 0 4463 1 0 1 1 0 8 1 knotepl 112 67 0 48 1 0 1 1 0 8 0 kqueuepl 104 33 0 31 1 0 1 1 0 8 0 pipelkpl 48 150 0 140 1 0 1 1 0 8 0 pipepl 120 300 0 281 1 0 1 1 0 8 0 fdescpl 496 403 0 387 3 0 3 3 0 8 0 filepl 152 2830 0 2720 6 0 6 6 0 8 1 lockfpl 104 79 0 78 1 0 1 1 0 8 0 lockfspl 48 24 0 23 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 96 200 0 191 1 0 1 1 0 8 0 zombiepl 144 388 0 386 1 0 1 1 0 8 0 processpl 896 419 0 386 4 0 4 4 0 8 0 procpl 632 881 0 839 5 0 5 5 0 8 1 sosppl 128 3 0 3 1 1 0 1 0 8 0 sockpl 384 480 0 453 4 0 4 4 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 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 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 171 0 0 21 0 21 21 0 8 0 mtagpl 80 169 0 0 4 0 4 4 0 8 0 mbufpl 256 601 0 0 38 0 38 38 0 8 0 bufpl 280 6899 0 1346 397 0 397 397 0 8 0 anonpl 16 50955 0 34952 67 1 66 66 0 125 0 amapchunkpl 152 2029 0 1890 8 2 6 8 0 158 0 amappl16 192 1826 0 953 46 1 45 45 0 8 1 amappl15 184 60 0 57 1 0 1 1 0 8 0 amappl14 176 27 0 26 1 0 1 1 0 8 0 amappl12 160 98 0 95 1 0 1 1 0 8 0 amappl11 152 58 0 43 1 0 1 1 0 8 0 amappl10 144 17 0 9 1 0 1 1 0 8 0 amappl9 136 605 0 602 1 0 1 1 0 8 0 amappl8 128 119 0 96 1 0 1 1 0 8 0 amappl7 120 105 0 94 1 0 1 1 0 8 0 amappl6 112 65 0 59 1 0 1 1 0 8 0 amappl5 104 229 0 212 1 0 1 1 0 8 0 amappl4 96 569 0 537 1 0 1 1 0 8 0 amappl3 88 210 0 202 1 0 1 1 0 8 0 amappl2 80 2329 0 2253 3 0 3 3 0 8 0 amappl1 72 19124 0 18654 26 16 10 21 0 8 0 amappl 80 1124 0 1077 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 14 0 0 1 0 1 1 0 8 0 uaddrrnd 24 406 0 387 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 406 0 387 1 0 1 1 0 8 0 vmmpekpl 168 7240 0 7205 2 0 2 2 0 8 0 vmmpepl 168 56770 0 54679 109 10 99 107 0 357 4 vmsppl 368 405 0 387 2 0 2 2 0 8 0 pdppl 4096 819 0 777 6 0 6 6 0 8 0 pvpl 32 174211 0 155228 162 0 162 162 0 265 5 pmappl 232 405 0 387 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 190 0 3 6 0 6 6 0 8 0