uvm_fault(0xffffffff8252dad0, 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(0xffffffff8252dad0, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800021bab6a8,ffff800021bab730,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:962 end trace frame: 0xffff800021bab650, count: 0 ddb{1}> trace sbdrop(ffff800021bab6a8,ffff800021bab730,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:962 sbflush(ffff800021bab6a8,ffff800021bab730) at sbflush+0x93 sys/kern/uipc_socket2.c:931 sbrelease(ffff800021bab6a8,ffff800021bab730) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd80775267e8) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd80775267e8,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd80775267e8,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd8063521428,ffff800020ae6768) at soo_close+0x40 fdrop(fffffd8063521428,ffff800020ae6768) at fdrop+0xc2 sys/kern/kern_descrip.c:1264 closef(fffffd8063521428,ffff800020ae6768) at closef+0x11c sys/kern/kern_descrip.c:1248 fdfree(ffff800020ae6768) at fdfree+0x101 sys/kern/kern_descrip.c:1180 exit1(ffff800020ae6768,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ae6768,ffff800021babb00,ffff800021babb50) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800021babbd0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021babbd0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbf420, count: -14 ddb{1}> show registers rdi 0 rsi 0x480 rbp 0xffff800021bab600 rbx 0xfffffd8063688600 rdx 0x2d830 acpi_pdirpa+0x19698 rcx 0 rax 0 r8 0xffffffff815a3188 sbdrop+0x248 r9 0x3 r10 0x1177a8aa39a50c9b r11 0x4bf1a0db0728de46 r12 0x480 r13 0xe00 r14 0xffff800021bab730 r15 0xfffffd0000000000 rip 0xffffffff815a3159 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021bab5a0 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> show proc PROC (syz-executor.1) pid=251822 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff800020ae6018,0xffffffff82680360 process=0xffff800020a9c020 user=0xffff800021ba6000, vmspace=0xfffffd8062d72740 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 15278 474063 25985 0 2 0 syz-executor.0 15278 269231 25985 0 3 0x4000080 fsleep syz-executor.0 28429 210648 0 0 3 0x14200 bored sosplice 5552 447494 30449 0 3 0x82 nanosleep syz-executor.1 25985 189625 30449 0 3 0x82 nanosleep syz-executor.0 30449 304604 81521 0 3 0x82 thrsleep syz-fuzzer 30449 504286 81521 0 3 0x4000082 thrsleep syz-fuzzer 30449 352848 81521 0 3 0x4000082 thrsleep syz-fuzzer 30449 454343 81521 0 3 0x4000082 thrsleep syz-fuzzer 30449 12528 81521 0 3 0x4000082 thrsleep syz-fuzzer 30449 283909 81521 0 3 0x4000082 thrsleep syz-fuzzer 30449 99342 81521 0 3 0x4000082 kqread syz-fuzzer 30449 481099 81521 0 3 0x4000082 thrsleep syz-fuzzer 30449 77776 81521 0 3 0x4000082 thrsleep syz-fuzzer 30449 415890 81521 0 3 0x4000082 thrsleep syz-fuzzer 81521 383929 84426 0 3 0x10008a pause ksh 84426 16994 27318 0 3 0x92 select sshd 37081 412631 1 0 3 0x100083 ttyin getty 27318 430028 1 0 3 0x80 select sshd 51540 196582 59562 74 3 0x100092 bpf pflogd 59562 156237 1 0 3 0x80 netio pflogd 3016 216897 28321 73 3 0x100090 kqread syslogd 28321 215459 1 0 3 0x100082 netio syslogd 61498 94329 1 77 3 0x100090 poll dhclient 96188 37442 1 0 7 0 dhclient 55511 377218 0 0 2 0x14200 zerothread 7592 466272 0 0 3 0x14200 aiodoned aiodoned 25364 217673 0 0 3 0x14200 syncer update 91013 91980 0 0 3 0x14200 cleaner cleaner 49591 135478 0 0 3 0x14200 reaper reaper 93497 425502 0 0 3 0x14200 pgdaemon pagedaemon 9561 48248 0 0 3 0x14200 bored crynlk 77460 160913 0 0 3 0x14200 bored crypto 86284 350592 0 0 3 0x40014200 acpi0 acpi0 76032 512084 0 0 3 0x40014200 idle1 24615 182804 0 0 3 0x14200 bored softnet 1280 287050 0 0 3 0x14200 bored systqmp 12935 395591 0 0 3 0x14200 bored systq 84332 351875 0 0 3 0x40014200 bored softclock 94697 271929 0 0 3 0x40014200 idle0 6355 473518 0 0 3 0x14200 bored smr 1 307688 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 9556 6556K 7009K 78643K 12120 0 pcb 13 10K 12K 78643K 216 0 rtable 101 4K 4K 78643K 549 0 ifaddr 126 25K 25K 78643K 294 0 counters 43 33K 34K 78643K 101 0 ioctlops 0 0K 4K 78643K 1526 0 iov 0 0K 24K 78643K 115 0 mount 1 1K 1K 78643K 1 0 vnodes 1226 77K 78K 78643K 1719 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 14 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 100 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 747 0 sigio 0 0K 0K 78643K 20 0 proc 64 63K 83K 78643K 547 0 subproc 32 2K 2K 78643K 36 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 107 0 in_multi 157 6K 6K 78643K 307 0 ether_multi 1 0K 0K 78643K 37 0 mrt 0 0K 0K 78643K 19 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 282 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 125 87K 87K 78643K 3610 0 UVM aobj 46 4K 4K 78643K 61 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 162 0 NDP 17 0K 0K 78643K 58 0 temp 151 3035K 3111K 78643K 16808 0 kqueue 3 4K 16K 78643K 62 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 8 0 1 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 84 0 80 1 0 1 1 0 8 0 rtentry 112 93 0 54 2 0 2 2 0 8 0 unpcb 120 1697 0 1687 2 0 2 2 0 8 1 syncache 264 16 0 16 3 3 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 544 577 0 570 13 11 2 12 0 8 1 inpcb 280 2726 0 2710 10 8 2 9 0 8 0 rttmr 72 5 0 5 3 2 1 1 0 8 1 ip6q 72 2 0 2 1 1 0 1 0 8 0 ip6af 40 6 0 6 1 1 0 1 0 8 0 nd6 48 16 0 14 1 0 1 1 0 8 0 pkpcb 40 3 0 3 2 2 0 1 0 8 0 ppxss 1128 6 0 6 3 2 1 1 0 8 1 pffrag 232 6 0 6 2 2 0 1 0 482 0 pffrnode 88 6 0 6 2 2 0 1 0 8 0 pffrent 40 270 0 270 2 2 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 24 425 0 36 3 0 3 3 0 8 0 pfstkey 112 425 0 36 12 0 12 12 0 8 0 pfstate 328 425 0 36 33 0 33 33 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 256 454 0 287 14 2 12 13 0 8 1 art_table 32 455 0 287 2 0 2 2 0 8 0 art_node 16 90 0 53 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 9 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 98 0 88 1 0 1 1 0 8 0 shmpl 112 59 0 16 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2555 0 1152 46 0 46 46 0 8 0 ffsino 272 2555 0 1152 95 0 95 95 0 8 0 nchpl 144 4057 0 2433 61 0 61 61 0 8 0 uvmvnodes 72 2922 0 0 54 0 54 54 0 8 0 vnodes 208 2922 0 0 154 0 154 154 0 8 0 namei 1024 11709 0 11709 1 0 1 1 0 8 1 percpumem 16 61 0 29 1 0 1 1 0 8 0 vcpupl 1984 8 0 0 1 0 1 1 0 8 0 vmpool 560 11 0 3 1 0 1 1 0 8 0 scxspl 192 11339 0 11339 10 9 1 7 0 8 1 plimitpl 152 68 0 60 1 0 1 1 0 8 0 sigapl 432 946 0 930 3 1 2 3 0 8 0 futexpl 56 17754 0 17753 1 0 1 1 0 8 0 knotepl 112 132 0 113 1 0 1 1 0 8 0 kqueuepl 144 402 0 400 5 4 1 5 0 8 0 pipelkpl 48 231 0 220 1 0 1 1 0 8 0 pipepl 120 462 0 441 1 0 1 1 0 8 0 fdescpl 496 947 0 930 3 0 3 3 0 8 0 filepl 152 9227 0 9112 16 10 6 14 0 8 1 lockfpl 104 254 0 253 1 0 1 1 0 8 0 lockfspl 48 81 0 80 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 30 0 19 1 0 1 1 0 8 0 ucredpl 96 861 0 852 1 0 1 1 0 8 0 zombiepl 144 931 0 930 1 0 1 1 0 8 0 processpl 960 963 0 930 5 0 5 5 0 8 0 procpl 624 2815 0 2772 4 0 4 4 0 8 0 sosppl 128 19 0 19 3 2 1 1 0 8 1 sockpl 400 4576 0 4545 20 13 7 14 0 8 3 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 12 0 0 2 0 2 2 0 8 0 mcl9k 9216 7 0 0 1 0 1 1 0 8 0 mcl8k 8192 15 0 0 2 0 2 2 0 8 0 mcl4k 4096 13 0 0 2 0 2 2 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 169 0 0 21 0 21 21 0 8 0 mtagpl 80 86 0 0 2 0 2 2 0 8 0 mbufpl 256 733 0 0 45 0 45 45 0 8 0 bufpl 280 5773 0 178 400 0 400 400 0 8 0 anonpl 16 106312 0 88593 100 12 88 89 0 124 15 amapchunkpl 152 6217 0 6075 22 15 7 20 0 158 0 amappl16 192 4938 0 3955 74 15 59 62 0 8 8 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 4 0 2 2 1 1 1 0 8 0 amappl13 168 389 0 385 1 0 1 1 0 8 0 amappl12 160 360 0 358 2 1 1 1 0 8 0 amappl11 152 81 0 62 1 0 1 1 0 8 0 amappl10 144 20 0 15 1 0 1 1 0 8 0 amappl9 136 391 0 388 1 0 1 1 0 8 0 amappl8 128 322 0 300 1 0 1 1 0 8 0 amappl7 120 118 0 107 1 0 1 1 0 8 0 amappl6 112 22 0 19 1 0 1 1 0 8 0 amappl5 104 848 0 831 1 0 1 1 0 8 0 amappl4 96 895 0 860 1 0 1 1 0 8 0 amappl3 88 505 0 497 1 0 1 1 0 8 0 amappl2 80 6661 0 6580 3 1 2 3 0 8 0 amappl1 72 30723 0 30259 25 15 10 20 0 8 0 amappl 80 3066 0 3014 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 60 0 15 1 0 1 1 0 8 0 uaddrrnd 24 958 0 933 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 958 0 933 1 0 1 1 0 8 0 vmmpekpl 168 11439 0 11398 2 0 2 2 0 8 0 vmmpepl 168 124044 0 121751 142 31 111 117 0 357 11 vmsppl 368 957 0 933 3 0 3 3 0 8 0 pdppl 4096 1923 0 1874 7 0 7 7 0 8 0 pvpl 32 307776 0 287163 222 15 207 211 0 265 38 pmappl 232 957 0 933 3 1 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 238 0 29 6 0 6 6 0 8 0