uvm_fault(0xffffffff8262d920, 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(0xffffffff8262d920, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800020b7abf8,ffff800020b7ac80,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:962 end trace frame: 0xffff800020b7aba0, count: 0 ddb{0}> trace sbdrop(ffff800020b7abf8,ffff800020b7ac80,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:962 sbflush(ffff800020b7abf8,ffff800020b7ac80) at sbflush+0x93 sys/kern/uipc_socket2.c:931 sbrelease(ffff800020b7abf8,ffff800020b7ac80) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd807e3bc1a0) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd807e3bc1a0,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd807e3bc1a0,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd8067055b60,ffff800020ad9128) at soo_close+0x40 fdrop(fffffd8067055b60,ffff800020ad9128) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd8067055b60,ffff800020ad9128) at closef+0x11c sys/kern/kern_descrip.c:1260 fdfree(ffff800020ad9128) at fdfree+0x101 sys/kern/kern_descrip.c:1192 exit1(ffff800020ad9128,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ad9128,ffff800020b7b050,ffff800020b7b0a0) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800020b7b120) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020b7b120) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffa360, count: -14 ddb{0}> show registers rdi 0 rsi 0x80a rbp 0xffff800020b7ab50 rbx 0xfffffd8063715d00 rdx 0x528bc acpi_pdirpa+0x3e724 rcx 0 rax 0 r8 0xffffffff817568b8 sbdrop+0x248 r9 0x3 r10 0xd40f9a6bc05addb9 r11 0x5e901cd0b5920d58 r12 0x80a r13 0x1c00 __ALIGN_SIZE+0xc00 r14 0xffff800020b7ac80 r15 0xfffffd0000000000 rip 0xffffffff81756889 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020b7aaf0 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.1) pid=361444 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ad84f8,0xffffffff82666048 process=0xffff800020acef20 user=0xffff800020b76000, vmspace=0xfffffd807f0005c0 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 73924 28218 0 0 3 0x14200 bored sosplice 56192 411533 23004 0 2 0x482 syz-executor.1 75035 38302 23004 0 2 0x482 syz-executor.0 23004 77220 71499 0 3 0x82 thrsleep syz-fuzzer 23004 38245 71499 0 2 0x4000482 syz-fuzzer 23004 103708 71499 0 3 0x4000082 thrsleep syz-fuzzer 23004 315986 71499 0 3 0x4000082 thrsleep syz-fuzzer 23004 337730 71499 0 3 0x4000082 thrsleep syz-fuzzer 23004 321219 71499 0 2 0x4000482 syz-fuzzer 23004 399710 71499 0 3 0x4000082 thrsleep syz-fuzzer 23004 243134 71499 0 3 0x4000082 thrsleep syz-fuzzer 23004 78581 71499 0 3 0x4000082 kqread syz-fuzzer 23004 76132 71499 0 3 0x4000082 thrsleep syz-fuzzer 71499 468253 91044 0 3 0x10008a pause ksh 91044 15851 52084 0 3 0x92 select sshd 29275 344578 1 0 3 0x100083 ttyin getty 52084 296716 1 0 3 0x80 select sshd 96355 278652 59885 74 3 0x100092 bpf pflogd 59885 57431 1 0 3 0x80 netio pflogd 28896 105761 74878 73 3 0x100090 kqread syslogd 74878 181953 1 0 3 0x100082 netio syslogd 77722 373967 1 77 3 0x100090 poll dhclient 95257 105210 1 0 3 0x80 poll dhclient 12230 266052 0 0 3 0x14200 bored smr 41667 340320 0 0 3 0x14200 pgzero zerothread 22651 186518 0 0 3 0x14200 aiodoned aiodoned 44695 335443 0 0 3 0x14200 syncer update 77302 474887 0 0 3 0x14200 cleaner cleaner 40622 178456 0 0 7 0x14200 reaper 31168 47397 0 0 3 0x14200 pgdaemon pagedaemon 61194 202672 0 0 3 0x14200 bored crynlk 1073 444661 0 0 3 0x14200 bored crypto 50478 307596 0 0 3 0x40014200 acpi0 acpi0 97910 368576 0 0 3 0x40014200 idle1 89873 234773 0 0 3 0x14200 bored softnet 41963 61591 0 0 3 0x14200 bored systqmp 46399 409639 0 0 3 0x14200 bored systq 9109 218631 0 0 2 0x40014200 softclock 83986 56209 0 0 3 0x40014200 idle0 1 388981 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 9543 6865K 7701K 78643K 11355 0 pcb 13 8K 8K 78643K 41 0 rtable 94 3K 3K 78643K 259 0 ifaddr 66 13K 13K 78643K 90 0 counters 43 33K 34K 78643K 51 0 ioctlops 0 0K 4K 78643K 1483 0 iov 0 0K 16K 78643K 22 0 mount 1 1K 1K 78643K 1 0 vnodes 1237 78K 78K 78643K 1398 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 35 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 135 0 sigio 0 0K 0K 78643K 4 0 proc 61 63K 95K 78643K 452 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 16 0 in_multi 35 2K 2K 78643K 60 0 ether_multi 1 0K 0K 78643K 5 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 37 175K 175K 78643K 37 0 exec 0 0K 1K 78643K 213 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 119 38K 38K 78643K 1369 0 UVM aobj 8 4K 4K 78643K 8 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 12 0 NDP 11 0K 0K 78643K 20 0 temp 107 3021K 3089K 78643K 3161 0 kqueue 3 4K 8K 78643K 6 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 8 0 1 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 75 0 72 1 0 1 1 0 8 0 rtentry 112 53 0 16 2 0 2 2 0 8 0 unpcb 120 101 0 91 1 0 1 1 0 8 0 syncache 264 11 0 11 2 1 1 1 0 8 1 tcpqe 32 149 0 149 1 0 1 1 0 8 1 tcpcb 544 89 0 81 1 0 1 1 0 8 0 inpcb 280 220 0 205 2 0 2 2 0 8 0 ip6q 72 2 0 2 1 0 1 1 0 8 1 ip6af 40 6 0 6 1 0 1 1 0 8 1 nd6 48 7 0 5 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 0 1 1 0 8 1 swfcl 56 1 0 0 1 0 1 1 0 8 0 ppxss 1128 1 0 1 1 0 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 98 0 98 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 36 0 1 1 0 1 1 0 8 0 pfstkey 112 36 0 1 1 0 1 1 0 8 0 pfstate 328 36 0 0 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 256 224 0 58 12 0 12 12 0 8 1 art_table 32 225 0 58 2 0 2 2 0 8 0 art_node 16 52 0 17 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 12 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 33 0 23 1 0 1 1 0 8 0 shmpl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1579 0 170 46 0 46 46 0 8 0 ffsino 272 1579 0 170 95 0 95 95 0 8 0 nchpl 144 1971 0 357 61 0 61 61 0 8 1 uvmvnodes 72 1781 0 0 33 0 33 33 0 8 0 vnodes 208 1781 0 0 94 0 94 94 0 8 0 namei 1024 5269 0 5269 1 0 1 1 0 8 1 percpumem 16 36 0 4 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 4 0 2 1 0 1 1 0 8 0 scxspl 192 6057 0 6057 8 1 7 7 0 8 7 plimitpl 152 19 0 11 1 0 1 1 0 8 0 sigapl 424 351 0 319 4 0 4 4 0 8 0 futexpl 56 2867 0 2867 1 0 1 1 0 8 1 knotepl 112 56 0 37 1 0 1 1 0 8 0 kqueuepl 144 52 0 50 1 0 1 1 0 8 0 pipelkpl 48 98 0 88 1 0 1 1 0 8 0 pipepl 120 196 0 177 1 0 1 1 0 8 0 fdescpl 496 335 0 319 3 0 3 3 0 8 0 filepl 152 2078 0 1966 6 0 6 6 0 8 1 lockfpl 104 40 0 39 1 0 1 1 0 8 0 lockfspl 48 16 0 15 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 96 129 0 120 1 0 1 1 0 8 0 zombiepl 144 320 0 318 1 0 1 1 0 8 0 processpl 960 351 0 318 5 0 5 5 0 8 0 procpl 624 602 0 559 4 0 4 4 0 8 0 sosppl 128 5 0 5 1 0 1 1 0 8 1 sockpl 400 400 0 371 4 0 4 4 0 8 0 mcl64k 65536 12 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 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 162 0 0 20 0 20 20 0 8 0 mtagpl 80 101 0 0 3 0 3 3 0 8 0 mbufpl 256 590 0 0 37 0 37 37 0 8 0 bufpl 280 4416 0 176 303 0 303 303 0 8 0 anonpl 16 46139 0 29521 69 1 68 68 0 124 1 amapchunkpl 152 1653 0 1499 9 0 9 9 0 158 2 amappl16 192 1493 0 596 46 0 46 46 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 9 0 5 2 1 1 1 0 8 0 amappl13 168 75 0 72 1 0 1 1 0 8 0 amappl12 160 13 0 10 1 0 1 1 0 8 0 amappl11 152 126 0 106 1 0 1 1 0 8 0 amappl10 144 24 0 19 1 0 1 1 0 8 0 amappl9 136 384 0 380 1 0 1 1 0 8 0 amappl8 128 323 0 296 1 0 1 1 0 8 0 amappl7 120 117 0 106 1 0 1 1 0 8 0 amappl6 112 77 0 71 1 0 1 1 0 8 0 amappl5 104 243 0 226 1 0 1 1 0 8 0 amappl4 96 556 0 521 2 1 1 2 0 8 0 amappl3 88 107 0 100 1 0 1 1 0 8 0 amappl2 80 1761 0 1692 3 1 2 3 0 8 0 amappl1 72 17433 0 16990 25 14 11 20 0 8 1 amappl 80 851 0 801 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 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 339 0 321 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 339 0 321 1 0 1 1 0 8 0 vmmpekpl 168 6570 0 6539 2 0 2 2 0 8 0 vmmpepl 168 48161 0 46095 119 2 117 117 0 357 23 vmsppl 368 338 0 321 2 0 2 2 0 8 0 pdppl 4096 686 0 644 6 0 6 6 0 8 0 pvpl 32 158811 0 139009 167 0 167 167 0 265 7 pmappl 232 338 0 321 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 195 0 3 6 0 6 6 0 8 0