login: uvm_fault(0xffffffff825c2db0, 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(0xffffffff825c2db0, 0xfffffd0000000018, 0, 1) -> e sbdrop(ffff800023bb4bf8,ffff800023bb4c80,b20) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 end trace frame: 0xffff800023bb4ba0, count: 0 ddb{1}> trace sbdrop(ffff800023bb4bf8,ffff800023bb4c80,b20) at sbdrop+0x219 sys/kern/uipc_socket2.c:964 sbflush(ffff800023bb4bf8,ffff800023bb4c80) at sbflush+0x93 sys/kern/uipc_socket2.c:933 sbrelease(ffff800023bb4bf8,ffff800023bb4c80) at sbrelease+0x2e sys/kern/uipc_socket2.c:527 sorflush(fffffd8066c4e1a8) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd8066c4e1a8,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd8066c4e1a8,0) at soclose+0x270 sys/kern/uipc_socket.c:338 soo_close(fffffd8065afd998,ffff800020ad6508) at soo_close+0x40 fdrop(fffffd8065afd998,ffff800020ad6508) at fdrop+0xc2 sys/kern/kern_descrip.c:1271 closef(fffffd8065afd998,ffff800020ad6508) at closef+0x11d sys/kern/kern_descrip.c:1255 fdfree(ffff800020ad6508) at fdfree+0x101 sys/kern/kern_descrip.c:1187 exit1(ffff800020ad6508,0,0,1) at exit1+0x344 sys/kern/kern_exit.c:196 sys_exit(ffff800020ad6508,ffff800023bb5050,ffff800023bb50a0) at sys_exit+0x16 sys/kern/kern_exit.c:94 syscall(ffff800023bb5120) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800023bb5120) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffce3a0, count: -14 ddb{1}> show registers rdi 0 rsi 0x794 rbp 0xffff800023bb4b50 rbx 0xfffffd806d4c1300 rdx 0x22d4c acpi_pdirpa+0xebb4 rcx 0 rax 0 r8 0xffffffff8152bcb8 sbdrop+0x248 r9 0x3 r10 0xe1aab5f8d594fc82 r11 0xdb544bd4b1da1b4c r12 0x794 r13 0x1c00 __ALIGN_SIZE+0xc00 r14 0xffff800023bb4c80 r15 0xfffffd0000000000 rip 0xffffffff8152bc89 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800023bb4af0 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> show proc PROC (syz-executor.0) pid=409630 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ad6780,0xffff800020ad6028 process=0xffff800020af4380 user=0xffff800023bb0000, vmspace=0xfffffd807f0008a0 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 40111 296812 59049 0 2 0 syz-executor.1 40111 480021 59049 0 7 0x4000000 syz-executor.1 40111 299374 59049 0 3 0x4000080 fsleep syz-executor.1 59049 88554 66378 0 3 0x82 nanosleep syz-executor.1 9404 278838 66378 0 3 0x82 nanosleep syz-executor.0 66378 194577 23453 0 3 0x82 thrsleep syz-fuzzer 66378 447416 23453 0 3 0x4000082 thrsleep syz-fuzzer 66378 192505 23453 0 3 0x4000082 thrsleep syz-fuzzer 66378 23490 23453 0 3 0x4000082 thrsleep syz-fuzzer 66378 286874 23453 0 3 0x4000082 thrsleep syz-fuzzer 66378 127305 23453 0 3 0x4000082 thrsleep syz-fuzzer 66378 332451 23453 0 3 0x4000082 thrsleep syz-fuzzer 66378 240384 23453 0 3 0x4000082 kqread syz-fuzzer 66378 256934 23453 0 3 0x4000082 thrsleep syz-fuzzer 66378 52065 23453 0 3 0x4000082 thrsleep syz-fuzzer 23453 497894 19964 0 3 0x10008a pause ksh 19964 237701 18277 0 3 0x92 select sshd 59407 341740 1 0 3 0x100083 ttyin getty 18277 209574 1 0 3 0x80 select sshd 42627 187259 2729 74 3 0x100092 bpf pflogd 2729 245295 1 0 3 0x80 netio pflogd 55550 197351 86595 73 3 0x100090 kqread syslogd 86595 386256 1 0 3 0x100082 netio syslogd 68704 325264 1 77 3 0x100090 poll dhclient 31923 82196 1 0 3 0x80 poll dhclient 55666 133820 0 0 2 0x14200 zerothread 85926 28605 0 0 3 0x14200 aiodoned aiodoned 13141 248322 0 0 3 0x14200 syncer update 15541 229107 0 0 3 0x14200 cleaner cleaner 74635 347691 0 0 3 0x14200 reaper reaper 29684 369673 0 0 3 0x14200 pgdaemon pagedaemon 46591 410866 0 0 3 0x14200 bored crynlk 41276 26767 0 0 3 0x14200 bored crypto 60053 190325 0 0 3 0x40014200 acpi0 acpi0 1618 202673 0 0 3 0x40014200 idle1 6543 441968 0 0 3 0x14200 bored softnet 36538 380204 0 0 3 0x14200 bored systqmp 80140 23469 0 0 3 0x14200 bored systq 85487 46981 0 0 3 0x40014200 bored softclock 56820 37019 0 0 3 0x40014200 idle0 21051 310387 0 0 3 0x14200 bored smr 1 368183 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 9500 6542K 6859K 78643K 10717 0 pcb 13 8K 8K 78643K 17 0 rtable 107 3K 3K 78643K 221 0 ifaddr 56 12K 12K 78643K 61 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1469 0 iov 0 0K 12K 78643K 7 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1260 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 8 0K 0K 78643K 8 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 87 0 proc 59 63K 95K 78643K 445 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 6 0 in_multi 44 2K 2K 78643K 44 0 ether_multi 1 0K 0K 78643K 1 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 214 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 105 21K 30K 78643K 1172 0 UVM aobj 9 2K 2K 78643K 11 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 8 0K 0K 78643K 12 0 temp 76 3008K 3072K 78643K 4509 0 kqueue 3 4K 12K 78643K 14 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 21 0 18 1 0 1 1 0 8 0 rtentry 112 49 0 4 2 0 2 2 0 8 0 unpcb 120 51 0 41 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 24 0 18 1 0 1 1 0 8 0 inpcb 280 90 0 77 2 0 2 2 0 8 0 nd6 48 4 0 0 1 0 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 pfstitem 24 13 0 0 1 0 1 1 0 8 0 pfstkey 112 13 0 0 1 0 1 1 0 8 0 pfstate 328 13 0 0 2 0 2 2 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 256 225 0 2 14 0 14 14 0 8 0 art_table 32 226 0 2 2 0 2 2 0 8 0 art_node 16 48 0 7 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 6 0 0 1 0 1 1 0 8 0 shmpl 112 9 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1502 0 91 46 0 46 46 0 8 0 ffsino 272 1502 0 91 95 0 95 95 0 8 0 nchpl 144 1793 0 171 61 0 61 61 0 8 0 uvmvnodes 72 1578 0 0 29 0 29 29 0 8 0 vnodes 208 1578 0 0 84 0 84 84 0 8 0 namei 1024 4669 0 4669 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 4823 0 4823 2 1 1 2 0 8 1 plimitpl 152 20 0 12 1 0 1 1 0 8 0 sigapl 432 286 0 270 3 0 3 3 0 8 1 futexpl 56 638 0 637 1 0 1 1 0 8 0 knotepl 112 65 0 46 1 0 1 1 0 8 0 kqueuepl 104 20 0 18 1 0 1 1 0 8 0 pipelkpl 48 75 0 65 1 0 1 1 0 8 0 pipepl 120 150 0 131 1 0 1 1 0 8 0 fdescpl 496 287 0 270 3 0 3 3 0 8 0 filepl 152 1442 0 1331 5 0 5 5 0 8 0 lockfpl 104 15 0 14 1 0 1 1 0 8 0 lockfspl 48 5 0 4 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 117 0 108 1 0 1 1 0 8 0 zombiepl 144 271 0 270 1 0 1 1 0 8 0 processpl 896 302 0 270 4 0 4 4 0 8 0 procpl 632 408 0 365 4 0 4 4 0 8 0 sockpl 400 162 0 135 4 0 4 4 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 148 0 0 18 0 18 18 0 8 0 mtagpl 80 8 0 0 1 0 1 1 0 8 0 mbufpl 256 181 0 0 11 0 11 11 0 8 0 bufpl 280 6344 0 1340 358 0 358 358 0 8 0 anonpl 16 46554 0 32708 72 1 71 71 0 125 14 amapchunkpl 152 1516 0 1378 11 0 11 11 0 158 5 amappl16 192 1235 0 490 49 4 45 48 0 8 7 amappl15 184 105 0 97 1 0 1 1 0 8 0 amappl14 176 29 0 27 1 0 1 1 0 8 0 amappl12 160 14 0 12 1 0 1 1 0 8 0 amappl11 152 54 0 39 1 0 1 1 0 8 0 amappl10 144 46 0 39 1 0 1 1 0 8 0 amappl9 136 602 0 598 1 0 1 1 0 8 0 amappl8 128 106 0 91 1 0 1 1 0 8 0 amappl7 120 131 0 119 1 0 1 1 0 8 0 amappl6 112 57 0 53 1 0 1 1 0 8 0 amappl5 104 134 0 119 1 0 1 1 0 8 0 amappl4 96 547 0 510 2 1 1 2 0 8 0 amappl3 88 113 0 106 1 0 1 1 0 8 0 amappl2 80 1424 0 1339 3 1 2 3 0 8 0 amappl1 72 16155 0 15682 26 11 15 21 0 8 5 amappl 80 657 0 612 2 0 2 2 0 84 1 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 2 1 0 1 1 0 8 0 uaddrrnd 24 287 0 270 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 287 0 270 1 0 1 1 0 8 0 vmmpekpl 168 6049 0 6019 2 0 2 2 0 8 0 vmmpepl 168 42427 0 40394 112 5 107 107 0 357 18 vmsppl 368 286 0 270 2 0 2 2 0 8 0 pdppl 4096 581 0 540 6 0 6 6 0 8 0 pvpl 32 145816 0 128661 172 0 172 172 0 265 31 pmappl 232 286 0 270 2 0 2 2 0 8 1 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 163 0 3 5 0 5 5 0 8 0