uvm_fault(0xfffffd807f00d000, 0x8f, 0, 1) -> e kernel: page fault trap, code=0 Stopped at wsmuxclose+0x75: cmpq %r12,0x90(%r15) ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xfffffd807f00d000, 0x8f, 0, 1) -> e wsmuxclose(4500,1,2000,ffff800020b424c8) at wsmuxclose+117 end trace frame: 0xffff800020c2f880, count: 0 ddb{0}> trace wsmuxclose(4500,1,2000,ffff800020b424c8) at wsmuxclose+117 spec_close(ffff800020c2f890) at spec_close+928 VOP_CLOSE(fffffd807738ea68,1,fffffd807f7c7c00,ffff800020b424c8) at VOP_CLOSE+112 vn_closefile(fffffd80672126a8,ffff800020b424c8) at vn_closefile+352 fdrop(fffffd80672126a8,ffff800020b424c8) at fdrop+225 closef(fffffd80672126a8,ffff800020b424c8) at closef+297 fdfree(ffff800020b424c8) at fdfree+232 exit1(ffff800020b424c8,0,1) at exit1+750 sys_exit(ffff800020b424c8,ffff800020c2fb90,ffff800020c2fb80) at sys_exit+23 syscall(ffff800020c2fc30) at syscall+1452 Xsyscall(6,1,0,1,0,7f7ffffe4e24) at Xsyscall+296 end of kernel end trace frame: 0x7f7ffffe4df0, count: -11 ddb{0}> show registers rdi 0 rsi 0 rbp 18446603336770844688 rbx 0 rdx 18446744071595060336 apollo_udma133_tim+5051 rcx 0 rax 0 r8 0 r9 0 r10 18446603336770935360 r11 14210051969567345444 r12 18446603336221355264 r13 0 r14 18446603336221355344 r15 18446744073709551615 rip 18446744071591603813 wsmuxclose+117 cs 8 rflags 66118 __ALIGN_SIZE+62022 rsp 18446603336770844624 ss 16 wsmuxclose+117: cmpq %r12,144(%r15) ddb{0}> show proc PROC (syz-executor.1) pid=440559 stat=onproc flags process=1008 proc=2000 pri=0, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020b94e20,0xffff800020b43540 process=0xffff800020b44d30 user=0xffff800020c2a000, vmspace=0xfffffd807f00d000 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 99185 329765 87496 0 2 0 syz-executor.0 99185 330799 87496 0 2 0x4000000 syz-executor.0 60783 283132 0 0 3 0x14200 bored sosplice 51391 189620 73561 0 3 0x82 nanosleep syz-executor.1 87496 45585 73561 0 2 0x482 syz-executor.0 73561 256669 93308 0 3 0x82 thrsleep syz-fuzzer 73561 245604 93308 0 3 0x4000082 thrsleep syz-fuzzer 73561 115056 93308 0 3 0x4000082 thrsleep syz-fuzzer 73561 519708 93308 0 3 0x4000082 thrsleep syz-fuzzer 73561 275033 93308 0 3 0x4000082 thrsleep syz-fuzzer 73561 27553 93308 0 3 0x4000082 kqread syz-fuzzer 73561 448548 93308 0 3 0x4000082 thrsleep syz-fuzzer 73561 233464 93308 0 3 0x4000082 thrsleep syz-fuzzer 73561 360401 93308 0 3 0x4000082 thrsleep syz-fuzzer 73561 352817 93308 0 3 0x4000082 thrsleep syz-fuzzer 93308 450405 85955 0 3 0x10008a pause ksh 85955 466541 15990 0 3 0x92 select sshd 45351 291476 1 0 3 0x100083 ttyin getty 15990 332204 1 0 3 0x80 select sshd 32211 347039 53250 73 7 0x100090 syslogd 53250 190434 1 0 3 0x100082 netio syslogd 55317 389309 1 77 3 0x100090 poll dhclient 58371 241796 1 0 3 0x80 poll dhclient 97981 355620 0 0 2 0x14200 zerothread 31421 160076 0 0 3 0x14200 aiodoned aiodoned 30617 461839 0 0 3 0x14200 syncer update 23495 431715 0 0 3 0x14200 cleaner cleaner 35701 411271 0 0 3 0x14200 reaper reaper 72489 461009 0 0 3 0x14200 pgdaemon pagedaemon 90636 501485 0 0 3 0x14200 bored crynlk 86913 339331 0 0 3 0x14200 bored crypto 8065 297396 0 0 3 0x40014200 acpi0 acpi0 70204 384232 0 0 3 0x40014200 idle1 15187 153873 0 0 3 0x14200 bored softnet 71509 175856 0 0 3 0x14200 bored systqmp 8399 411265 0 0 3 0x14200 bored systq 78790 258404 0 0 3 0x40014200 bored softclock 51555 482744 0 0 3 0x40014200 idle0 1 58824 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 Kern Lim devbuf 9494 6356K 6356K 78643K 10632 0 0 pcb 23 9K 10K 78643K 201 0 0 rtable 100 3K 4K 78643K 190 0 0 ifaddr 48 11K 12K 78643K 57 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 2K 78643K 17 0 0 iov 0 0K 16K 78643K 37 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1193 75K 75K 78643K 1361 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 7 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 0K 0K 78643K 33 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1792 194K 288K 78643K 12592 0 0 file desc 6 17K 25K 78643K 268 0 0 sigio 0 0K 0K 78643K 8 0 0 proc 42 38K 70K 78643K 286 0 0 subproc 64 65538K 67586K 78643K 68 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 16 0 0 in_multi 33 2K 2K 78643K 39 0 0 ether_multi 1 0K 0K 78643K 2 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 54 238K 238K 78643K 54 0 0 exec 0 0K 1K 78643K 184 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 82 20K 20K 78643K 1579 0 0 UVM aobj 22 2K 2K 78643K 22 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 5 0 0 NDP 9 0K 0K 78643K 15 0 0 temp 124 2356K 2420K 78643K 3471 0 0 kqueue 0 0K 0K 78643K 6 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 4 0 0 1 0 1 1 0 8 0 inpcbpl 280 117 0 110 1 0 1 1 0 8 0 plimitpl 152 17 0 10 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 41 0 1 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 30 0 26 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 186 0 0 12 0 12 12 0 8 0 art_table 32 187 0 0 2 0 2 2 0 8 0 art_node 16 40 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0 semapl 112 31 0 21 1 0 1 1 0 8 0 shmpl 112 20 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1921 0 518 46 0 46 46 0 8 0 ffsino 272 1921 0 518 95 0 95 95 0 8 0 nchpl 144 2535 0 913 61 0 61 61 0 8 0 uvmvnodes 72 1992 0 0 37 0 37 37 0 8 0 vnodes 200 1992 0 0 105 0 105 105 0 8 0 namei 1024 6594 0 6594 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 6166 0 6166 7 6 1 6 0 8 1 sigapl 432 436 0 422 2 0 2 2 0 8 0 futexpl 56 3171 0 3171 1 0 1 1 0 8 1 knotepl 112 140 0 113 2 1 1 2 0 8 0 kqueuepl 104 90 0 88 1 0 1 1 0 8 0 pipepl 112 300 0 281 3 2 1 2 0 8 0 fdescpl 488 437 0 422 3 1 2 3 0 8 0 filepl 152 2432 0 2336 6 1 5 5 0 8 1 lockfpl 104 73 0 73 2 1 1 1 0 8 1 lockfspl 32 88 0 88 2 1 1 1 0 8 1 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 21 0 11 1 0 1 1 0 8 0 ucredpl 96 510 0 503 1 0 1 1 0 8 0 zombiepl 144 423 0 422 2 1 1 1 0 8 0 processpl 840 452 0 422 4 0 4 4 0 8 0 procpl 600 1000 0 960 4 0 4 4 0 8 0 sosppl 128 5 0 5 1 0 1 1 0 8 1 sockpl 384 287 0 270 3 0 3 3 0 8 1 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 8 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 101 0 0 12 0 12 12 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 138 0 0 8 0 8 8 0 8 0 bufpl 256 5622 0 1016 288 0 288 288 0 8 0 anonpl 16 42912 0 35350 34 1 33 33 0 125 2 amapchunkpl 152 2068 0 1977 6 1 5 6 0 158 0 amappl16 192 1580 0 1185 22 0 22 22 0 8 2 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 10 0 7 2 1 1 1 0 8 0 amappl13 168 139 0 134 1 0 1 1 0 8 0 amappl12 160 4 0 4 1 1 0 1 0 8 0 amappl11 152 318 0 307 1 0 1 1 0 8 0 amappl10 144 65 0 61 2 1 1 1 0 8 0 amappl9 136 491 0 485 1 0 1 1 0 8 0 amappl8 128 138 0 119 1 0 1 1 0 8 0 amappl7 120 150 0 143 1 0 1 1 0 8 0 amappl6 112 52 0 45 1 0 1 1 0 8 0 amappl5 104 121 0 111 1 0 1 1 0 8 0 amappl4 96 266 0 242 2 1 1 2 0 8 0 amappl3 88 133 0 127 1 0 1 1 0 8 0 amappl2 80 3154 0 3095 2 0 2 2 0 8 0 amappl1 72 17623 0 17193 23 13 10 19 0 8 0 amappl 72 1213 0 1177 1 0 1 1 0 75 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 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 21 0 0 1 0 1 1 0 8 0 uaddrrnd 24 437 0 422 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 437 0 422 1 0 1 1 0 8 0 vmmpekpl 168 7200 0 7179 2 0 2 2 0 8 0 vmmpepl 168 51916 0 50497 79 15 64 70 0 357 2 vmsppl 360 436 0 422 2 0 2 2 0 8 0 pdppl 4096 881 0 844 6 1 5 6 0 8 0 pvpl 32 154660 0 144075 102 8 94 96 0 265 8 pmappl 224 436 0 422 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 434 0 4 13 0 13 13 0 8 0