login: uvm_fault(0xffffffff8251a8c8, 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(0xffffffff8251a8c8, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800020b5d038,ffff800020b5d0c0,7fc) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 end trace frame: 0xffff800020b5cfe0, count: 0 ddb{0}> trace sbdrop(ffff800020b5d038,ffff800020b5d0c0,7fc) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 sbflush(ffff800020b5d038,ffff800020b5d0c0) at sbflush+0x93 sys/kern/uipc_socket2.c:933 sbrelease(ffff800020b5d038,ffff800020b5d0c0) at sbrelease+0x2e sys/kern/uipc_socket2.c:527 sorflush(fffffd806f6df4b0) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd806f6df4b0,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd806f6df4b0,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd807aa0e4c0,ffff800020ac3ae8) at soo_close+0x40 fdrop(fffffd807aa0e4c0,ffff800020ac3ae8) at fdrop+0xc2 sys/kern/kern_descrip.c:1271 closef(fffffd807aa0e4c0,ffff800020ac3ae8) at closef+0x11d sys/kern/kern_descrip.c:1255 fdfree(ffff800020ac3ae8) at fdfree+0x101 sys/kern/kern_descrip.c:1187 exit1(ffff800020ac3ae8,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ac3ae8,ffff800020b5d490,ffff800020b5d4e0) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800020b5d560) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020b5d560) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcd2d0, count: -14 ddb{0}> show registers rdi 0 rsi 0x76a rbp 0xffff800020b5cf90 rbx 0xfffffd8067632c00 rdx 0x538d0 acpi_pdirpa+0x3f738 rcx 0 rax 0 r8 0xffffffff81b2e518 sbdrop+0x248 r9 0x3 r10 0xf2163b584414fbae r11 0x3350ada3b9de0e3a r12 0x76a r13 0x1b00 __ALIGN_SIZE+0xb00 r14 0xffff800020b5d0c0 r15 0xfffffd0000000000 rip 0xffffffff81b2e4e9 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020b5cf30 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.1) pid=203805 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800020ac2eb8,0xffffffff82663f80 process=0xffff800020aa92e0 user=0xffff800020b58000, vmspace=0xfffffd807f000000 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 12677 250917 88613 0 2 0 syz-executor.0 12677 476260 88613 0 3 0x4000080 pipewr syz-executor.0 44838 73045 72252 0 3 0x82 nanosleep syz-executor.1 88613 499427 72252 0 3 0x82 nanosleep syz-executor.0 40757 467288 1 0 3 0x100083 ttyin getty 70294 214195 0 0 3 0x14200 bored sosplice 72252 304298 27532 0 3 0x82 thrsleep syz-fuzzer 72252 49307 27532 0 3 0x4000082 nanosleep syz-fuzzer 72252 424044 27532 0 3 0x4000082 thrsleep syz-fuzzer 72252 189937 27532 0 3 0x4000082 thrsleep syz-fuzzer 72252 114814 27532 0 3 0x4000082 thrsleep syz-fuzzer 72252 453548 27532 0 3 0x4000082 thrsleep syz-fuzzer 72252 154518 27532 0 3 0x4000082 thrsleep syz-fuzzer 72252 195312 27532 0 3 0x4000082 kqread syz-fuzzer 72252 193668 27532 0 3 0x4000082 thrsleep syz-fuzzer 72252 443772 27532 0 3 0x4000082 thrsleep syz-fuzzer 27532 185659 68454 0 3 0x10008a pause ksh 68454 366341 53737 0 3 0x92 select sshd 53737 400559 1 0 3 0x80 select sshd 26809 510702 75208 74 3 0x100092 bpf pflogd 75208 289009 1 0 3 0x80 netio pflogd 50698 387440 96423 73 3 0x100090 kqread syslogd 96423 365326 1 0 3 0x100082 netio syslogd 95633 371466 0 0 2 0x14200 zerothread 15119 287744 0 0 3 0x14200 aiodoned aiodoned 75201 165485 0 0 3 0x14200 syncer update 96288 89788 0 0 3 0x14200 cleaner cleaner 18499 355433 0 0 7 0x14200 reaper 6177 43804 0 0 3 0x14200 pgdaemon pagedaemon 22524 32762 0 0 3 0x14200 bored crynlk 28413 251972 0 0 3 0x14200 bored crypto 99633 189633 0 0 3 0x40014200 acpi0 acpi0 45767 468838 0 0 3 0x40014200 idle1 57455 433769 0 0 3 0x14200 bored softnet 18875 33449 0 0 3 0x14200 bored systqmp 11164 327746 0 0 3 0x14200 bored systq 97955 194033 0 0 2 0x40014200 softclock 88182 16909 0 0 3 0x40014200 idle0 70237 288836 0 0 3 0x14200 bored smr 1 113207 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 9539 6496K 7074K 78643K 11790 0 pcb 13 8K 8K 78643K 131 0 rtable 112 3K 4K 78643K 476 0 ifaddr 88 16K 16K 78643K 220 0 counters 43 33K 34K 78643K 89 0 ioctlops 0 0K 4K 78643K 1506 0 iov 0 0K 24K 78643K 99 0 mount 1 1K 1K 78643K 1 0 vnodes 1225 77K 77K 78643K 1723 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 9 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 127 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 535 0 sigio 0 0K 0K 78643K 19 0 proc 59 51K 95K 78643K 636 0 subproc 32 2K 2K 78643K 89 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 105 0 in_multi 56 3K 3K 78643K 149 0 ether_multi 1 0K 0K 78643K 18 0 mrt 0 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 1K 78643K 286 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 71K 72K 78643K 2831 0 UVM aobj 40 2K 2K 78643K 46 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 104 0 NDP 17 0K 0K 78643K 49 0 temp 144 3019K 3095K 78643K 37042 0 kqueue 5 8K 12K 78643K 40 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 16 0 8 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 112 0 111 2 1 1 1 0 8 0 rtentry 112 86 0 40 2 0 2 2 0 8 0 unpcb 120 377 0 369 1 0 1 1 0 8 0 syncache 264 11 0 11 3 3 0 1 0 8 0 tcpqe 32 127 0 127 2 2 0 1 0 8 0 tcpcb 544 259 0 253 1 0 1 1 0 8 0 inpcb 280 795 0 783 3 1 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 11 0 7 1 0 1 1 0 8 0 pkpcb 40 5 0 5 2 2 0 1 0 8 0 pffrag 232 8 0 8 3 2 1 1 0 482 1 pffrnode 88 8 0 8 3 2 1 1 0 8 1 pffrent 40 274 0 274 3 2 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 53 0 7 1 0 1 1 0 8 0 pfstkey 112 53 0 7 2 0 2 2 0 8 0 pfstate 328 53 0 7 4 0 4 4 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 256 411 0 181 19 4 15 15 0 8 0 art_table 32 412 0 181 2 0 2 2 0 8 0 art_node 16 85 0 43 1 0 1 1 0 8 0 sysvmsgpl 40 93 0 65 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 125 0 115 1 0 1 1 0 8 0 shmpl 112 44 0 6 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2340 0 936 46 0 46 46 0 8 0 ffsino 272 2340 0 936 95 0 95 95 0 8 0 nchpl 144 3326 0 1722 61 0 61 61 0 8 0 uvmvnodes 72 2746 0 0 50 0 50 50 0 8 0 vnodes 208 2746 0 0 145 0 145 145 0 8 0 namei 1024 10337 0 10337 1 0 1 1 0 8 1 percpumem 16 55 0 23 1 0 1 1 0 8 0 vcpupl 1984 5 0 0 1 0 1 1 0 8 0 vmpool 560 5 0 0 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 9665 0 9665 8 7 1 7 0 8 1 plimitpl 152 57 0 50 1 0 1 1 0 8 0 sigapl 432 727 0 713 3 1 2 3 0 8 0 futexpl 56 11952 0 11952 1 0 1 1 0 8 1 knotepl 112 136 0 117 1 0 1 1 0 8 0 kqueuepl 104 121 0 117 1 0 1 1 0 8 0 pipelkpl 48 223 0 212 1 0 1 1 0 8 0 pipepl 120 446 0 425 2 1 1 2 0 8 0 fdescpl 496 728 0 713 3 0 3 3 0 8 0 filepl 152 5789 0 5684 6 1 5 6 0 8 0 lockfpl 104 102 0 102 1 1 0 1 0 8 0 lockfspl 48 42 0 42 1 1 0 1 0 8 0 sessionpl 112 23 0 14 1 0 1 1 0 8 0 pgrppl 48 27 0 18 1 0 1 1 0 8 0 ucredpl 96 534 0 526 1 0 1 1 0 8 0 zombiepl 144 716 0 715 1 0 1 1 0 8 0 processpl 960 746 0 715 5 0 5 5 0 8 0 procpl 624 1890 0 1848 5 1 4 5 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 37 0 37 1 1 0 1 0 8 0 sockpl 400 1305 0 1285 6 3 3 5 0 8 0 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 16 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 171 0 0 21 0 21 21 0 8 0 mtagpl 80 19 0 0 1 0 1 1 0 8 0 mbufpl 256 369 0 0 21 0 21 21 0 8 0 bufpl 280 5298 0 193 365 0 365 365 0 8 0 anonpl 16 85835 0 72522 82 1 81 81 0 125 11 amapchunkpl 152 4212 0 4075 8 0 8 8 0 158 0 amappl16 192 3252 0 2332 59 5 54 59 0 8 7 amappl15 184 250 0 246 1 0 1 1 0 8 0 amappl14 176 56 0 53 1 0 1 1 0 8 0 amappl13 168 300 0 299 1 0 1 1 0 8 0 amappl12 160 19 0 13 2 1 1 1 0 8 0 amappl11 152 66 0 58 1 0 1 1 0 8 0 amappl10 144 27 0 20 1 0 1 1 0 8 0 amappl9 136 700 0 694 1 0 1 1 0 8 0 amappl8 128 214 0 182 2 0 2 2 0 8 0 amappl7 120 124 0 111 1 0 1 1 0 8 0 amappl6 112 62 0 52 1 0 1 1 0 8 0 amappl5 104 169 0 157 1 0 1 1 0 8 0 amappl4 96 1016 0 983 2 1 1 2 0 8 0 amappl3 88 145 0 138 1 0 1 1 0 8 0 amappl2 80 5076 0 5000 3 1 2 3 0 8 0 amappl1 72 26252 0 25822 27 17 10 21 0 8 0 amappl 80 2191 0 2145 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 45 0 6 1 0 1 1 0 8 0 uaddrrnd 24 733 0 713 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 733 0 713 1 0 1 1 0 8 0 vmmpekpl 168 9676 0 9636 2 0 2 2 0 8 0 vmmpepl 168 98704 0 96556 153 28 125 127 0 357 29 vmsppl 368 732 0 713 2 0 2 2 0 8 0 pdppl 4096 1473 0 1431 6 0 6 6 0 8 0 pvpl 32 267784 0 251205 196 5 191 191 0 265 28 pmappl 232 732 0 713 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 190 0 11 6 0 6 6 0 8 0