login: uvm_fault(0xffffffff8260cd78, 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(0xffffffff8260cd78, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800021ba54f8,ffff800021ba5580,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:963 end trace frame: 0xffff800021ba54a0, count: 0 ddb{1}> trace sbdrop(ffff800021ba54f8,ffff800021ba5580,a42) at sbdrop+0x219 sys/kern/uipc_socket2.c:963 sbflush(ffff800021ba54f8,ffff800021ba5580) at sbflush+0x93 sys/kern/uipc_socket2.c:932 sbrelease(ffff800021ba54f8,ffff800021ba5580) at sbrelease+0x2e sys/kern/uipc_socket2.c:526 sorflush(fffffd806f665900) at sorflush+0x13d sys/kern/uipc_socket.c:1105 sofree(fffffd806f665900,42) at sofree+0x147 sys/kern/uipc_socket.c:241 soclose(fffffd806f665900,80) at soclose+0x270 sys/kern/uipc_socket.c:313 soo_close(fffffd807a41d7b8,ffff800020aa0ee8) at soo_close+0x40 fdrop(fffffd807a41d7b8,ffff800020aa0ee8) at fdrop+0xc2 sys/kern/kern_descrip.c:1273 closef(fffffd807a41d7b8,ffff800020aa0ee8) at closef+0x11d sys/kern/kern_descrip.c:1257 fdfree(ffff800020aa0ee8) at fdfree+0x101 sys/kern/kern_descrip.c:1189 exit1(ffff800020aa0ee8,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020aa0ee8,ffff800021ba5940,ffff800021ba5990) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800021ba5a10) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800021ba5a10) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcd690, count: -14 ddb{1}> show registers rdi 0 rsi 0x6b6 rbp 0xffff800021ba5450 rbx 0xfffffd8061c48300 rdx 0x2db02 acpi_pdirpa+0x1996a rcx 0 rax 0 r8 0xffffffff81b90618 sbdrop+0x248 r9 0x3 r10 0xab2122e34f0d5b6b r11 0x47631b02ffbacd38 r12 0x6b6 r13 0x1700 __ALIGN_SIZE+0x700 r14 0xffff800021ba5580 r15 0xfffffd0000000000 rip 0xffffffff81b905e9 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021ba53f0 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> show proc PROC (syz-executor.1) pid=150708 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020aa0290,0xffffffff8261e778 process=0xffff800020af4728 user=0xffff800021ba0000, vmspace=0xfffffd807f000730 estcpu=36, cpticks=4, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 24835 94448 70237 0 3 0x82 nanosleep syz-executor.1 51878 173810 1 0 3 0x100083 ttyin getty 31867 259728 70237 0 3 0x82 nanosleep syz-executor.0 70237 413677 11005 0 3 0x82 thrsleep syz-fuzzer 70237 28333 11005 0 3 0x4000082 thrsleep syz-fuzzer 70237 296819 11005 0 3 0x4000082 thrsleep syz-fuzzer 70237 144121 11005 0 3 0x4000082 thrsleep syz-fuzzer 70237 228686 11005 0 3 0x4000082 thrsleep syz-fuzzer 70237 138647 11005 0 3 0x4000082 thrsleep syz-fuzzer 70237 406855 11005 0 3 0x4000082 thrsleep syz-fuzzer 70237 497803 11005 0 3 0x4000082 thrsleep syz-fuzzer 70237 275037 11005 0 3 0x4000082 thrsleep syz-fuzzer 70237 449956 11005 0 3 0x4000082 kqread syz-fuzzer 11005 407621 32538 0 3 0x10008a pause ksh 32538 394597 60564 0 3 0x92 select sshd 60564 170646 1 0 3 0x80 select sshd 56152 150163 5792 74 3 0x100092 bpf pflogd 5792 340011 1 0 3 0x80 netio pflogd 32160 70298 65506 73 3 0x100090 kqread syslogd 65506 208554 1 0 3 0x100082 netio syslogd 99842 119598 1 77 3 0x100090 poll dhclient 97029 493993 1 0 3 0x80 poll dhclient 43436 510398 0 0 3 0x14200 pgzero zerothread 81969 213445 0 0 3 0x14200 aiodoned aiodoned 69996 76460 0 0 3 0x14200 syncer update 29422 51601 0 0 3 0x14200 cleaner cleaner 12790 414738 0 0 7 0x14200 reaper 88714 164060 0 0 3 0x14200 pgdaemon pagedaemon 5427 175386 0 0 3 0x14200 bored crynlk 90719 511444 0 0 3 0x14200 bored crypto 40773 336034 0 0 3 0x40014200 acpi0 acpi0 26712 487574 0 0 3 0x40014200 idle1 36800 429768 0 0 3 0x14200 bored softnet 84559 477914 0 0 3 0x14200 bored systqmp 83783 335004 0 0 3 0x14200 bored systq 1154 335007 0 0 3 0x40014200 bored softclock 84557 487591 0 0 3 0x40014200 idle0 7816 276946 0 0 3 0x14200 bored smr 1 4106 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 9509 6545K 7445K 78643K 11677 0 pcb 15 8K 8K 78643K 47 0 rtable 113 4K 4K 78643K 336 0 ifaddr 61 13K 13K 78643K 121 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1480 0 iov 0 0K 16K 78643K 28 0 mount 1 1K 1K 78643K 1 0 vnodes 1222 77K 77K 78643K 1524 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 1K 78643K 55 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 208 0 sigio 0 0K 0K 78643K 4 0 proc 60 63K 83K 78643K 511 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 18 0 in_multi 53 3K 3K 78643K 70 0 ether_multi 1 0K 0K 78643K 2 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 248 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 127 39K 40K 78643K 1683 0 UVM aobj 11 4K 4K 78643K 11 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 9 0K 0K 78643K 25 0 temp 124 3022K 3098K 78643K 12762 0 kqueue 0 0K 0K 78643K 2 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 10 0 3 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 35 0 32 1 0 1 1 0 8 0 rtentry 112 60 0 15 2 0 2 2 0 8 0 unpcb 120 163 0 153 1 0 1 1 0 8 0 syncache 264 6 0 6 2 1 1 1 0 8 1 tcpqe 32 76 0 76 1 1 0 1 0 8 0 tcpcb 544 74 0 62 1 0 1 1 0 8 0 inpcb 280 249 0 238 2 0 2 2 0 8 1 nd6 48 7 0 3 1 0 1 1 0 8 0 ppxss 1128 9 0 9 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 46 0 46 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 4 1 0 1 1 0 8 0 pfstkey 112 31 0 4 1 0 1 1 0 8 0 pfstate 328 31 0 3 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 256 269 0 46 14 0 14 14 0 8 0 art_table 32 270 0 46 2 0 2 2 0 8 0 art_node 16 59 0 18 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 3 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 51 0 41 1 0 1 1 0 8 0 shmpl 112 9 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1731 0 326 46 0 46 46 0 8 0 ffsino 272 1731 0 326 95 0 95 95 0 8 0 nchpl 144 2285 0 678 61 0 61 61 0 8 0 uvmvnodes 72 2035 0 0 37 0 37 37 0 8 0 vnodes 208 2035 0 0 108 0 108 108 0 8 0 namei 1024 6806 0 6806 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 1 0 0 1 0 1 1 0 8 0 vmpool 560 3 0 2 1 0 1 1 0 8 0 scxspl 192 6995 0 6995 8 7 1 7 0 8 1 plimitpl 152 26 0 18 1 0 1 1 0 8 0 sigapl 432 406 0 391 3 1 2 3 0 8 0 futexpl 56 4609 0 4609 1 0 1 1 0 8 1 knotepl 112 95 0 76 1 0 1 1 0 8 0 kqueuepl 104 40 0 38 1 0 1 1 0 8 0 pipepl 112 288 0 269 1 0 1 1 0 8 0 fdescpl 488 407 0 391 3 0 3 3 0 8 0 filepl 152 2940 0 2830 7 1 6 6 0 8 1 lockfpl 104 90 0 89 1 0 1 1 0 8 0 lockfspl 48 33 0 32 1 0 1 1 0 8 0 sessionpl 112 21 0 10 1 0 1 1 0 8 0 pgrppl 48 21 0 10 1 0 1 1 0 8 0 ucredpl 96 199 0 190 1 0 1 1 0 8 0 zombiepl 144 392 0 390 1 0 1 1 0 8 0 processpl 904 422 0 390 4 0 4 4 0 8 0 procpl 632 837 0 795 5 0 5 5 0 8 1 srpgc 64 2 0 2 1 0 1 1 0 8 1 sockpl 384 453 0 428 5 0 5 5 0 8 2 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 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 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 160 0 0 19 0 19 19 0 8 0 mtagpl 80 16 0 0 1 0 1 1 0 8 0 mbufpl 256 256 0 0 15 0 15 15 0 8 0 bufpl 280 6891 0 1348 396 0 396 396 0 8 0 anonpl 16 62161 0 45093 93 2 91 92 0 125 12 amapchunkpl 152 2643 0 2492 13 1 12 12 0 158 3 amappl16 192 2240 0 1181 63 3 60 63 0 8 6 amappl15 184 63 0 59 1 0 1 1 0 8 0 amappl14 176 34 0 32 1 0 1 1 0 8 0 amappl12 160 5 0 3 2 1 1 1 0 8 0 amappl11 152 56 0 41 1 0 1 1 0 8 0 amappl10 144 15 0 9 1 0 1 1 0 8 0 amappl9 136 617 0 613 1 0 1 1 0 8 0 amappl8 128 139 0 112 1 0 1 1 0 8 0 amappl7 120 114 0 99 1 0 1 1 0 8 0 amappl6 112 78 0 72 1 0 1 1 0 8 0 amappl5 104 142 0 127 1 0 1 1 0 8 0 amappl4 96 672 0 641 1 0 1 1 0 8 0 amappl3 88 120 0 113 1 0 1 1 0 8 0 amappl2 80 2270 0 2193 3 1 2 3 0 8 0 amappl1 72 19346 0 18880 25 15 10 21 0 8 0 amappl 80 1116 0 1065 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 10 0 0 1 0 1 1 0 8 0 uaddrrnd 24 410 0 393 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 410 0 393 1 0 1 1 0 8 0 vmmpekpl 168 7354 0 7321 2 0 2 2 0 8 0 vmmpepl 168 59787 0 57520 148 8 140 140 0 357 36 vmsppl 368 409 0 393 2 0 2 2 0 8 0 pdppl 4096 827 0 787 6 0 6 6 0 8 0 pvpl 32 198435 0 178172 214 1 213 214 0 265 29 pmappl 232 409 0 393 2 0 2 2 0 8 1 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 169 0 3 5 0 5 5 0 8 0