login: uvm_fault(0xffffffff8256e0d8, 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(0xffffffff8256e0d8, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800020f67968,ffff800020f679f0,80c) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 end trace frame: 0xffff800020f67910, count: 0 ddb{0}> trace sbdrop(ffff800020f67968,ffff800020f679f0,80c) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 sbflush(ffff800020f67968,ffff800020f679f0) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff800020f67968,ffff800020f679f0) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd8064e024e0) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd8064e024e0,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd8064e024e0,80) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd8078c1a318,ffff800020ec7398) at soo_close+0x40 fdrop(fffffd8078c1a318,ffff800020ec7398) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd8078c1a318,ffff800020ec7398) at closef+0x11c sys/kern/kern_descrip.c:1260 fdfree(ffff800020ec7398) at fdfree+0x101 sys/kern/kern_descrip.c:1192 exit1(ffff800020ec7398,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff800020ec7398,ffff800020f67dc0,ffff800020f67e10) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800020f67e90) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020f67e90) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffaba0, count: -14 ddb{0}> show registers rdi 0 rsi 0x480 rbp 0xffff800020f678c0 rbx 0xfffffd806665de00 rdx 0x63564 acpi_pdirpa+0x4f3cc rcx 0 rax 0 r8 0xffffffff81d88468 sbdrop+0x248 r9 0x3 r10 0x7440fab26be7d9cf r11 0x9aa7d6f96cd10ce6 r12 0x480 r13 0xe00 r14 0xffff800020f679f0 r15 0xfffffd0000000000 rip 0xffffffff81d88439 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020f67860 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.1) pid=341822 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=62, nice=20 forw=0xffffffffffffffff, list=0xffff800020ec6eb8,0xffffffff82664468 process=0xffff800020e93358 user=0xffff800020f62000, vmspace=0xfffffd806e959008 estcpu=12, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 97533 85386 1 0 3 0x100083 ttyin getty 10944 345778 0 0 3 0x14200 bored sosplice 17339 140145 56045 0 3 0x82 nanosleep syz-executor.1 94040 326890 56045 0 2 0x482 syz-executor.0 56045 1696 8140 0 3 0x82 kqread syz-fuzzer 56045 338156 8140 0 3 0x4000082 nanosleep syz-fuzzer 56045 269855 8140 0 3 0x4000082 thrsleep syz-fuzzer 56045 462159 8140 0 3 0x4000082 thrsleep syz-fuzzer 56045 324705 8140 0 3 0x4000082 thrsleep syz-fuzzer 56045 324729 8140 0 3 0x4000082 thrsleep syz-fuzzer 56045 288478 8140 0 3 0x4000082 thrsleep syz-fuzzer 56045 49445 8140 0 3 0x4000082 thrsleep syz-fuzzer 56045 520291 8140 0 3 0x4000082 thrsleep syz-fuzzer 56045 185363 8140 0 3 0x4000082 thrsleep syz-fuzzer 8140 258651 87899 0 3 0x10008a pause ksh 87899 76362 38657 0 3 0x92 select sshd 38657 498799 1 0 3 0x80 select sshd 60203 480293 45221 74 3 0x100092 bpf pflogd 45221 443449 1 0 3 0x80 netio pflogd 70132 194799 89169 73 3 0x100090 kqread syslogd 89169 228697 1 0 3 0x100082 netio syslogd 84807 364277 1 77 3 0x100090 poll dhclient 15605 234942 1 0 3 0x80 poll dhclient 39157 277317 0 0 3 0x14200 bored smr 46539 471157 0 0 3 0x14200 pgzero zerothread 66757 122315 0 0 3 0x14200 aiodoned aiodoned 67205 124025 0 0 3 0x14200 syncer update 43649 7662 0 0 3 0x14200 cleaner cleaner 17208 15437 0 0 7 0x14200 reaper 32042 313596 0 0 3 0x14200 pgdaemon pagedaemon 69294 33170 0 0 3 0x14200 bored crynlk 41023 323381 0 0 3 0x14200 bored crypto 69237 446176 0 0 3 0x40014200 acpi0 acpi0 83206 293883 0 0 3 0x40014200 idle1 67833 263708 0 0 3 0x14200 bored softnet 21700 143218 0 0 3 0x14200 bored systqmp 62196 154727 0 0 3 0x14200 bored systq 79139 476224 0 0 3 0x40014200 bored softclock 13219 102590 0 0 3 0x40014200 idle0 1 419798 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 9530 6419K 6679K 78643K 12657 0 pcb 13 8K 8K 78643K 112 0 rtable 94 12K 13K 78643K 2185 0 ifaddr 87 24K 28K 78643K 1640 0 counters 43 33K 34K 78643K 655 0 ioctlops 0 0K 4K 78643K 1527 0 iov 0 0K 16K 78643K 95 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 77K 77K 78643K 2627 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 16 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 491 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 1201 0 sigio 0 0K 0K 78643K 15 0 proc 62 63K 83K 78643K 551 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 63 0 in_multi 63 3K 3K 78643K 135 0 ether_multi 1 0K 0K 78643K 15 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 67 307K 307K 78643K 67 0 exec 0 0K 1K 78643K 257 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 139 72K 88K 78643K 4828 0 UVM aobj 23 2K 2K 78643K 54 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 72 0 NDP 13 0K 0K 78643K 327 0 temp 126 3044K 3108K 78643K 21843 0 kqueue 3 4K 9K 78643K 53 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 11 0 3 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 55 0 52 1 0 1 1 0 8 0 rtentry 112 75 0 43 2 0 2 2 0 8 0 unpcb 120 644 0 634 1 0 1 1 0 8 0 syncache 264 15 0 15 4 4 0 1 0 8 0 tcpqe 32 19 0 19 2 2 0 1 0 8 0 tcpcb 544 706 0 700 2 1 1 2 0 8 0 inpcb 280 2172 0 2163 6 4 2 2 0 8 1 nd6 48 11 0 9 1 0 1 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 3 0 2 2 1 1 1 0 482 0 pffrnode 88 3 0 2 2 1 1 1 0 8 0 pffrent 40 7 0 6 2 1 1 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 pfrktable 1344 9 0 6 1 0 1 1 0 8 0 pfstitem 24 28 0 24 1 0 1 1 0 8 0 pfstkey 112 28 0 24 1 0 1 1 0 8 0 pfstate 328 27 0 24 3 1 2 3 0 8 0 pfrule 1360 27 0 18 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 382 0 217 14 2 12 14 0 8 0 art_table 32 384 0 217 2 0 2 2 0 8 0 art_node 16 72 0 45 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 8 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 489 0 479 1 0 1 1 0 8 0 shmpl 112 52 0 31 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 4614 0 3208 89 0 89 89 0 8 0 ffsino 272 4614 0 3208 95 0 95 95 0 8 0 nchpl 144 6534 0 4922 60 0 60 60 0 8 0 uvmvnodes 72 5105 0 0 93 0 93 93 0 8 0 vnodes 208 5105 0 0 269 0 269 269 0 8 0 namei 1024 21138 0 21138 2 1 1 1 0 8 1 percpumem 16 338 0 306 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 pfiaddrpl 120 2 0 2 1 1 0 1 0 8 0 scsiplug 64 2 0 2 1 1 0 1 0 8 0 scxspl 192 16965 0 16965 10 9 1 7 0 8 1 plimitpl 152 60 0 52 1 0 1 1 0 8 0 sigapl 424 1420 0 1388 4 0 4 4 0 8 0 futexpl 56 19499 0 19499 2 1 1 1 0 8 1 knotepl 112 146 0 127 1 0 1 1 0 8 0 kqueuepl 144 67 0 65 1 0 1 1 0 8 0 pipelkpl 48 214 0 204 1 0 1 1 0 8 0 pipepl 120 428 0 409 1 0 1 1 0 8 0 fdescpl 496 1404 0 1388 3 0 3 3 0 8 0 filepl 152 12359 0 12255 5 0 5 5 0 8 0 lockfpl 104 156 0 155 1 0 1 1 0 8 0 lockfspl 48 54 0 53 1 0 1 1 0 8 0 sessionpl 112 21 0 10 1 0 1 1 0 8 0 pgrppl 48 24 0 13 1 0 1 1 0 8 0 ucredpl 96 3644 0 3635 1 0 1 1 0 8 0 zombiepl 144 1389 0 1387 1 0 1 1 0 8 0 processpl 984 1420 0 1387 5 0 5 5 0 8 0 procpl 624 4006 0 3963 4 0 4 4 0 8 0 sosppl 128 7 0 7 2 2 0 1 0 8 0 sockpl 400 2872 0 2849 7 4 3 4 0 8 0 mcl64k 65536 11 0 0 2 0 2 2 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 12 0 0 2 0 2 2 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 184 0 0 22 1 21 22 0 8 0 mtagpl 80 46 0 0 1 0 1 1 0 8 0 mbufpl 256 392 0 0 19 0 19 19 0 8 0 bufpl 280 7403 0 1159 447 0 447 447 0 8 0 anonpl 16 130004 0 114659 94 23 71 79 0 124 8 amapchunkpl 152 8417 0 8260 42 29 13 20 0 158 6 amappl16 192 6552 0 5739 64 22 42 53 0 8 1 amappl15 184 13 0 9 1 0 1 1 0 8 0 amappl14 176 29 0 25 1 0 1 1 0 8 0 amappl13 168 30 0 26 1 0 1 1 0 8 0 amappl12 160 624 0 621 1 0 1 1 0 8 0 amappl11 152 60 0 44 1 0 1 1 0 8 0 amappl10 144 19 0 12 1 0 1 1 0 8 0 amappl9 136 940 0 937 1 0 1 1 0 8 0 amappl8 128 922 0 882 2 0 2 2 0 8 0 amappl7 120 121 0 109 1 0 1 1 0 8 0 amappl6 112 25 0 20 1 0 1 1 0 8 0 amappl5 104 1918 0 1902 1 0 1 1 0 8 0 amappl4 96 512 0 482 1 0 1 1 0 8 0 amappl3 88 128 0 123 1 0 1 1 0 8 0 amappl2 80 10404 0 10328 2 0 2 2 0 8 0 amappl1 72 38335 0 37888 23 13 10 18 0 8 0 amappl 80 4273 0 4224 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 53 0 31 1 0 1 1 0 8 0 uaddrrnd 24 1409 0 1388 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1409 0 1388 1 0 1 1 0 8 0 vmmpekpl 168 13604 0 13571 2 0 2 2 0 8 0 vmmpepl 168 172982 0 170975 125 32 93 107 0 357 1 vmsppl 368 1408 0 1388 2 0 2 2 0 8 0 pdppl 4096 2826 0 2781 7 1 6 7 0 8 0 pvpl 32 407575 0 389512 224 50 174 187 0 265 26 pmappl 232 1408 0 1388 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 278 0 13 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace sbdrop(ffff800020f67968,ffff800020f679f0,80c) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 sbflush(ffff800020f67968,ffff800020f679f0) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff800020f67968,ffff800020f679f0) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd8064e024e0) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd8064e024e0,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd8064e024e0,80) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd8078c1a318,ffff800020ec7398) at soo_close+0x40 fdrop(fffffd8078c1a318,ffff800020ec7398) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd8078c1a318,ffff800020ec7398) at closef+0x11c sys/kern/kern_descrip.c:1260 fdfree(ffff800020ec7398) at fdfree+0x101 sys/kern/kern_descrip.c:1192 exit1(ffff800020ec7398,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff800020ec7398,ffff800020f67dc0,ffff800020f67e10) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800020f67e90) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020f67e90) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffaba0, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82646220) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82646220) at __mp_lock+0x127 sys/kern/kern_lock.c:147 reaper(ffff800020e195f0) at reaper+0x14e sys/kern/kern_exit.c:444 end trace frame: 0x0, count: -5