uvm_fault(0xffffffff8258c5b0, 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(0xffffffff8258c5b0, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800021b916c8,ffff800021b91750,980) at sbdrop+0x219 sys/kern/uipc_socket2.c:962 end trace frame: 0xffff800021b91670, count: 0 ddb{1}> trace sbdrop(ffff800021b916c8,ffff800021b91750,980) at sbdrop+0x219 sys/kern/uipc_socket2.c:962 sbflush(ffff800021b916c8,ffff800021b91750) at sbflush+0x93 sys/kern/uipc_socket2.c:931 sbrelease(ffff800021b916c8,ffff800021b91750) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd806aa944c0) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd806aa944c0,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd806aa944c0,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd8066063610,ffff800020ad7398) at soo_close+0x40 fdrop(fffffd8066063610,ffff800020ad7398) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd8066063610,ffff800020ad7398) at closef+0x11c sys/kern/kern_descrip.c:1260 fdfree(ffff800020ad7398) at fdfree+0x101 sys/kern/kern_descrip.c:1192 exit1(ffff800020ad7398,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ad7398,ffff800021b91b20,ffff800021b91b70) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800021b91bf0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021b91bf0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffa820, count: -14 ddb{1}> show registers rdi 0 rsi 0x82c rbp 0xffff800021b91620 rbx 0xfffffd807f01e900 rdx 0x26162 acpi_pdirpa+0x11fca rcx 0 rax 0 r8 0xffffffff821a8878 sbdrop+0x248 r9 0x3 r10 0x8d790b28aa6dec66 r11 0xd562caee9b0858b1 r12 0x82c r13 0x1e00 __ALIGN_SIZE+0xe00 r14 0xffff800021b91750 r15 0xfffffd0000000000 rip 0xffffffff821a8849 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021b915c0 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> show proc PROC (syz-executor.1) pid=391183 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ad69d8,0xffff800020ad7138 process=0xffff800020a92020 user=0xffff800021b8c000, vmspace=0xfffffd807efff5c0 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 43747 181516 85701 0 2 0 syz-executor.0 43747 162708 85701 0 2 0x4000000 syz-executor.0 43747 57832 85701 0 3 0x4000080 fsleep syz-executor.0 84262 118620 0 0 3 0x14200 bored sosplice 26418 457450 31711 0 3 0x82 nanosleep syz-executor.1 85701 147816 31711 0 3 0x82 nanosleep syz-executor.0 31711 202268 81787 0 3 0x82 thrsleep syz-fuzzer 31711 243067 81787 0 3 0x4000082 thrsleep syz-fuzzer 31711 26888 81787 0 3 0x4000082 thrsleep syz-fuzzer 31711 383082 81787 0 3 0x4000082 thrsleep syz-fuzzer 31711 276589 81787 0 3 0x4000082 thrsleep syz-fuzzer 31711 514027 81787 0 3 0x4000082 thrsleep syz-fuzzer 31711 361859 81787 0 3 0x4000082 thrsleep syz-fuzzer 31711 261443 81787 0 3 0x4000082 thrsleep syz-fuzzer 31711 518438 81787 0 3 0x4000082 kqread syz-fuzzer 31711 267320 81787 0 3 0x4000082 thrsleep syz-fuzzer 81787 269416 85210 0 3 0x10008a pause ksh 85210 123873 60199 0 3 0x92 select sshd 25485 426866 1 0 3 0x100083 ttyin getty 60199 115994 1 0 3 0x80 select sshd 89167 405580 87248 74 3 0x100092 bpf pflogd 87248 315426 1 0 3 0x80 netio pflogd 1149 84153 58908 73 3 0x100090 kqread syslogd 58908 58606 1 0 3 0x100082 netio syslogd 90012 384231 1 77 7 0x100010 dhclient 17086 37545 1 0 3 0x80 poll dhclient 95137 136896 0 0 3 0x14200 bored smr 42958 211529 0 0 2 0x14200 zerothread 91109 357407 0 0 3 0x14200 aiodoned aiodoned 63904 106848 0 0 3 0x14200 syncer update 24055 289600 0 0 3 0x14200 cleaner cleaner 14972 382162 0 0 3 0x14200 reaper reaper 1960 126807 0 0 3 0x14200 pgdaemon pagedaemon 67082 484704 0 0 3 0x14200 bored crynlk 89232 319409 0 0 3 0x14200 bored crypto 12280 39456 0 0 3 0x40014200 acpi0 acpi0 50800 478352 0 0 3 0x40014200 idle1 69422 212652 0 0 3 0x14200 bored softnet 3765 102322 0 0 3 0x14200 bored systqmp 25543 153328 0 0 3 0x14200 bored systq 96622 196073 0 0 3 0x40014200 bored softclock 48451 310974 0 0 3 0x40014200 idle0 1 232987 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 9528 6545K 6726K 78643K 10876 0 pcb 13 8K 8K 78643K 47 0 rtable 106 3K 4K 78643K 268 0 ifaddr 76 15K 15K 78643K 101 0 counters 43 33K 34K 78643K 51 0 ioctlops 0 0K 4K 78643K 1487 0 iov 0 0K 16K 78643K 29 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1299 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 27 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 146 0 sigio 0 0K 0K 78643K 14 0 proc 60 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 20 0 in_multi 55 2K 3K 78643K 73 0 ether_multi 1 0K 0K 78643K 5 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 221 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 39K 78643K 1414 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 22 0 NDP 13 0K 0K 78643K 21 0 temp 134 3030K 3095K 78643K 13329 0 kqueue 3 4K 20K 78643K 17 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 46 0 43 1 0 1 1 0 8 0 rtentry 112 54 0 11 2 0 2 2 0 8 0 unpcb 120 91 0 77 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 11 0 11 1 1 0 1 0 8 0 tcpcb 544 68 0 60 1 0 1 1 0 8 0 inpcb 280 397 0 374 3 0 3 3 0 8 1 nd6 48 7 0 3 1 0 1 1 0 8 0 ppxss 1128 2 0 2 1 0 1 1 0 8 1 pffrag 232 1 0 1 1 0 1 1 0 482 1 pffrnode 88 1 0 1 1 0 1 1 0 8 1 pffrent 40 2 0 2 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 27 0 2 1 0 1 1 0 8 0 pfstkey 112 27 0 2 1 0 1 1 0 8 0 pfstate 328 27 0 2 3 0 3 3 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 256 232 0 42 13 0 13 13 0 8 0 art_table 32 234 0 42 2 0 2 2 0 8 0 art_node 16 53 0 13 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 21 0 11 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 1607 0 202 46 0 46 46 0 8 0 ffsino 272 1607 0 202 95 0 95 95 0 8 0 nchpl 144 1996 0 377 61 0 61 61 0 8 0 uvmvnodes 72 1704 0 0 31 0 31 31 0 8 0 vnodes 208 1704 0 0 90 0 90 90 0 8 0 namei 1024 5443 0 5443 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 2 0 0 1 0 1 1 0 8 0 scxspl 192 6025 0 6025 8 1 7 7 0 8 7 plimitpl 152 38 0 30 1 0 1 1 0 8 0 sigapl 424 362 0 329 4 0 4 4 0 8 0 futexpl 56 3011 0 3010 1 0 1 1 0 8 0 knotepl 112 69 0 50 1 0 1 1 0 8 0 kqueuepl 144 38 0 36 1 0 1 1 0 8 0 pipelkpl 48 108 0 98 1 0 1 1 0 8 0 pipepl 120 216 0 197 2 0 2 2 0 8 1 fdescpl 496 346 0 329 3 0 3 3 0 8 0 filepl 152 2215 0 2080 6 0 6 6 0 8 0 lockfpl 104 39 0 34 1 0 1 1 0 8 0 lockfspl 48 16 0 13 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 20 0 9 1 0 1 1 0 8 0 ucredpl 96 182 0 173 1 0 1 1 0 8 0 zombiepl 144 330 0 329 1 0 1 1 0 8 0 processpl 960 362 0 329 5 0 5 5 0 8 0 procpl 624 649 0 605 4 0 4 4 0 8 0 sosppl 128 2 0 2 1 0 1 1 0 8 1 sockpl 400 534 0 493 6 0 6 6 0 8 1 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 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 20 0 0 1 0 1 1 0 8 0 mbufpl 256 189 0 0 11 0 11 11 0 8 0 bufpl 280 4344 0 175 298 0 298 298 0 8 0 anonpl 16 48020 0 30843 71 1 70 70 0 124 1 amapchunkpl 152 1761 0 1612 9 0 9 9 0 158 2 amappl16 192 1519 0 585 47 0 47 47 0 8 0 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 69 0 64 3 2 1 1 0 8 0 amappl13 168 25 0 24 1 0 1 1 0 8 0 amappl12 160 9 0 7 2 1 1 1 0 8 0 amappl11 152 72 0 54 1 0 1 1 0 8 0 amappl10 144 17 0 12 1 0 1 1 0 8 0 amappl9 136 444 0 439 1 0 1 1 0 8 0 amappl8 128 378 0 349 1 0 1 1 0 8 0 amappl7 120 120 0 108 1 0 1 1 0 8 0 amappl6 112 25 0 22 1 0 1 1 0 8 0 amappl5 104 192 0 176 1 0 1 1 0 8 0 amappl4 96 568 0 531 2 1 1 2 0 8 0 amappl3 88 173 0 163 1 0 1 1 0 8 0 amappl2 80 1852 0 1775 3 1 2 3 0 8 0 amappl1 72 17604 0 17146 25 15 10 20 0 8 0 amappl 80 902 0 852 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 24 348 0 329 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 348 0 329 1 0 1 1 0 8 0 vmmpekpl 168 6731 0 6696 2 0 2 2 0 8 0 vmmpepl 168 49666 0 47475 124 6 118 120 0 357 22 vmsppl 368 347 0 329 2 0 2 2 0 8 0 pdppl 4096 704 0 660 6 0 6 6 0 8 0 pvpl 32 161746 0 141313 168 0 168 168 0 265 3 pmappl 232 347 0 329 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 172 0 3 5 0 5 5 0 8 0