uvm_fault(0xffffffff8256b9c0, 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(0xffffffff8256b9c0, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800023170cd8,ffff800023170d60,34) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 end trace frame: 0xffff800023170c80, count: 0 ddb{0}> trace sbdrop(ffff800023170cd8,ffff800023170d60,34) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 sbflush(ffff800023170cd8,ffff800023170d60) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff800023170cd8,ffff800023170d60) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd806f6e2640) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd806f6e2640,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd806f6e2640,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd80677f3e58,ffff800020ec69d8) at soo_close+0x40 fdrop(fffffd80677f3e58,ffff800020ec69d8) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd80677f3e58,ffff800020ec69d8) at closef+0x11c sys/kern/kern_descrip.c:1260 fdfree(ffff800020ec69d8) at fdfree+0x101 sys/kern/kern_descrip.c:1192 exit1(ffff800020ec69d8,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff800020ec69d8,ffff800023171130,ffff800023171180) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800023171200) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023171200) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff7a60, count: -14 ddb{0}> show registers rdi 0 rsi 0x24 rbp 0xffff800023170c30 rbx 0xfffffd806d66de00 rdx 0x5c696 acpi_pdirpa+0x484fe rcx 0 rax 0 r8 0xffffffff81e7b2d8 sbdrop+0x248 r9 0x3 r10 0x6f82b8dafae0752f r11 0xdb4f0ac4b6597a53 r12 0x24 r13 0x400 r14 0xffff800023170d60 r15 0xfffffd0000000000 rip 0xffffffff81e7b2a9 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800023170bd0 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (syz-executor.0) pid=284626 stat=onproc flags process=1018 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ec6768,0xffffffff8266e6e0 process=0xffff800020e927d0 user=0xffff80002316c000, vmspace=0xfffffd807efff730 estcpu=36, cpticks=8, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 54237 440369 11575 0 2 0x482 syz-executor.0 55254 477933 0 0 3 0x14200 acct acct 88560 144691 0 0 3 0x14200 bored sosplice 51841 45295 11575 0 2 0x482 syz-executor.1 11575 166768 63060 0 3 0x82 thrsleep syz-fuzzer 11575 144260 63060 0 3 0x4000082 thrsleep syz-fuzzer 11575 118656 63060 0 3 0x4000082 thrsleep syz-fuzzer 11575 25320 63060 0 3 0x4000082 thrsleep syz-fuzzer 11575 229970 63060 0 3 0x4000082 kqread syz-fuzzer 11575 4502 63060 0 3 0x4000082 thrsleep syz-fuzzer 11575 430260 63060 0 3 0x4000082 thrsleep syz-fuzzer 11575 205476 63060 0 3 0x4000082 thrsleep syz-fuzzer 11575 303390 63060 0 3 0x4000082 thrsleep syz-fuzzer 11575 374476 63060 0 3 0x4000082 thrsleep syz-fuzzer 63060 167692 20503 0 3 0x10008a pause ksh 20503 105660 51110 0 3 0x92 select sshd 18591 257385 1 0 3 0x100083 ttyin getty 51110 201450 1 0 3 0x80 select sshd 26909 122939 83076 74 3 0x100092 bpf pflogd 83076 502314 1 0 3 0x80 netio pflogd 2116 34819 2635 73 3 0x100090 kqread syslogd 2635 234443 1 0 3 0x100082 netio syslogd 24400 225157 1 77 3 0x100090 poll dhclient 70726 226064 1 0 3 0x80 poll dhclient 64976 271830 0 0 3 0x14200 bored smr 33949 285744 0 0 2 0x14200 zerothread 45194 285946 0 0 3 0x14200 aiodoned aiodoned 88565 158591 0 0 3 0x14200 syncer update 60449 192013 0 0 3 0x14200 cleaner cleaner 54141 371399 0 0 7 0x14200 reaper 86704 135642 0 0 3 0x14200 pgdaemon pagedaemon 3326 441468 0 0 3 0x14200 bored crynlk 37280 516189 0 0 3 0x14200 bored crypto 55784 210908 0 0 3 0x40014200 acpi0 acpi0 53125 115474 0 0 3 0x40014200 idle1 89896 510915 0 0 3 0x14200 bored softnet 40872 22343 0 0 3 0x14200 bored systqmp 72034 4776 0 0 3 0x14200 bored systq 39759 178806 0 0 2 0x40014200 softclock 8142 297389 0 0 3 0x40014200 idle0 1 343929 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 9520 6432K 6806K 78643K 10885 0 pcb 13 8K 8K 78643K 67 0 rtable 106 3K 4K 78643K 351 0 ifaddr 75 15K 15K 78643K 108 0 counters 43 33K 34K 78643K 51 0 ioctlops 0 0K 4K 78643K 1483 0 iov 0 0K 28K 78643K 40 0 mount 1 1K 1K 78643K 1 0 vnodes 1222 77K 77K 78643K 1345 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 7 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 33 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 289 0 sigio 0 0K 0K 78643K 14 0 proc 61 63K 83K 78643K 495 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 16 0 in_multi 53 3K 3K 78643K 99 0 ether_multi 1 0K 0K 78643K 9 0 mrt 0 0K 0K 78643K 1 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 234 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 126 23K 23K 78643K 1956 0 UVM aobj 9 2K 2K 78643K 12 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 12 0K 0K 78643K 24 0 temp 108 3036K 3100K 78643K 7994 0 kqueue 3 4K 8K 78643K 11 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 9 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 29 0 27 1 0 1 1 0 8 0 rtentry 112 83 0 40 2 0 2 2 0 8 0 unpcb 120 169 0 159 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 41 0 41 1 1 0 1 0 8 0 tcpcb 544 132 0 128 2 0 2 2 0 8 1 inpcb 280 339 0 331 2 0 2 2 0 8 1 nd6 48 12 0 7 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 0 1 1 0 8 1 ppxss 1128 2 0 2 1 1 0 1 0 8 0 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 45 0 45 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 3 1 0 1 1 0 8 0 pfstkey 112 31 0 3 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 256 322 0 128 13 0 13 13 0 8 0 art_table 32 323 0 128 2 0 2 2 0 8 0 art_node 16 82 0 42 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 5 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 29 0 19 1 0 1 1 0 8 0 shmpl 112 10 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1839 0 433 89 0 89 89 0 8 0 ffsino 272 1839 0 433 95 0 95 95 0 8 0 nchpl 144 2454 0 856 60 0 60 60 0 8 0 uvmvnodes 72 1973 0 0 36 0 36 36 0 8 0 vnodes 208 1973 0 0 104 0 104 104 0 8 0 namei 1024 7004 0 7004 1 0 1 1 0 8 1 percpumem 16 36 0 4 1 0 1 1 0 8 0 vcpupl 1984 1 0 0 1 0 1 1 0 8 0 vmpool 560 1 0 0 1 0 1 1 0 8 0 scxspl 192 6551 0 6551 8 4 4 7 0 8 4 plimitpl 152 37 0 29 1 0 1 1 0 8 0 sigapl 424 503 0 470 4 0 4 4 0 8 0 futexpl 56 4123 0 4123 1 0 1 1 0 8 1 knotepl 112 84 0 65 1 0 1 1 0 8 0 kqueuepl 144 50 0 47 1 0 1 1 0 8 0 pipelkpl 48 147 0 137 1 0 1 1 0 8 0 pipepl 120 294 0 275 1 0 1 1 0 8 0 fdescpl 496 486 0 470 3 0 3 3 0 8 0 filepl 152 2956 0 2853 6 0 6 6 0 8 1 lockfpl 104 62 0 61 1 0 1 1 0 8 0 lockfspl 48 25 0 24 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 21 0 10 1 0 1 1 0 8 0 ucredpl 96 238 0 227 1 0 1 1 0 8 0 zombiepl 144 471 0 469 1 0 1 1 0 8 0 processpl 984 503 0 469 5 0 5 5 0 8 0 procpl 624 1049 0 1004 4 0 4 4 0 8 0 sosppl 128 7 0 5 2 1 1 1 0 8 0 sockpl 400 541 0 520 5 0 5 5 0 8 2 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 161 0 0 20 0 20 20 0 8 0 mtagpl 80 23 0 0 1 0 1 1 0 8 0 mbufpl 256 270 0 0 16 0 16 16 0 8 0 bufpl 280 3773 0 132 261 0 261 261 0 8 0 anonpl 16 61650 0 46991 69 8 61 68 0 124 0 amapchunkpl 152 2579 0 2441 8 1 7 8 0 158 0 amappl16 192 2153 0 1341 46 5 41 46 0 8 0 amappl15 184 78 0 78 2 1 1 1 0 8 1 amappl14 176 30 0 24 1 0 1 1 0 8 0 amappl13 168 43 0 39 1 0 1 1 0 8 0 amappl12 160 5 0 5 2 2 0 1 0 8 0 amappl11 152 138 0 123 1 0 1 1 0 8 0 amappl10 144 183 0 174 1 0 1 1 0 8 0 amappl9 136 381 0 380 1 0 1 1 0 8 0 amappl8 128 370 0 336 2 0 2 2 0 8 0 amappl7 120 251 0 238 1 0 1 1 0 8 0 amappl6 112 28 0 22 1 0 1 1 0 8 0 amappl5 104 388 0 372 1 0 1 1 0 8 0 amappl4 96 505 0 472 1 0 1 1 0 8 0 amappl3 88 116 0 111 1 0 1 1 0 8 0 amappl2 80 2956 0 2886 2 0 2 2 0 8 0 amappl1 72 20377 0 19930 24 14 10 18 0 8 0 amappl 80 1316 0 1270 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 11 0 3 1 0 1 1 0 8 0 uaddrrnd 24 487 0 470 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 487 0 470 1 0 1 1 0 8 0 vmmpekpl 168 7811 0 7778 2 0 2 2 0 8 0 vmmpepl 168 66474 0 64504 128 11 117 117 0 357 26 vmsppl 368 486 0 470 2 0 2 2 0 8 0 pdppl 4096 982 0 941 6 0 6 6 0 8 0 pvpl 32 199712 0 181885 166 8 158 166 0 265 9 pmappl 232 486 0 470 3 1 2 2 0 8 1 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 265 0 3 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace sbdrop(ffff800023170cd8,ffff800023170d60,34) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 sbflush(ffff800023170cd8,ffff800023170d60) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff800023170cd8,ffff800023170d60) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd806f6e2640) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd806f6e2640,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd806f6e2640,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd80677f3e58,ffff800020ec69d8) at soo_close+0x40 fdrop(fffffd80677f3e58,ffff800020ec69d8) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd80677f3e58,ffff800020ec69d8) at closef+0x11c sys/kern/kern_descrip.c:1260 fdfree(ffff800020ec69d8) at fdfree+0x101 sys/kern/kern_descrip.c:1192 exit1(ffff800020ec69d8,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff800020ec69d8,ffff800023171130,ffff800023171180) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800023171200) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023171200) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff7a60, 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(ffffffff8266d398) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8266d398) at __mp_lock+0x127 sys/kern/kern_lock.c:147 reaper(ffff800020e18ea0) at reaper+0x14e sys/kern/kern_exit.c:444 end trace frame: 0x0, count: -5