PROC (kernel: page fault trap, code=0 Faulted in DDB; continuing... ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 81334 238485 58492 0 2 0 syz-executor.0 15671 23749 17248 0 2 0 syz-executor.4 15671 353899 17248 0 3 0x4000080 fsleep syz-executor.4 ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10174 6402K 7566K 78643K 26028 0 pcb 13 14K 16K 78643K 145 0 rtable 237 7K 7K 78643K 1061 0 pf 29 8K 9K 78643K 156 0 ifaddr 43 12K 13K 78643K 152 0 ifgroup 50 2K 2K 78643K 255 0 sysctl 2 0K 0K 78643K 6 0 counters 28 17K 17K 78643K 81 0 ioctlops 0 0K 2K 78643K 96 0 iov 0 0K 28K 78643K 350 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1458 91K 91K 78643K 4834 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 58 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 444 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 101K 78643K 5166 0 sigio 0 0K 0K 78643K 189 0 proc 58 59K 124K 78643K 1077 0 subproc 104 6K 7K 78643K 312 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 205 0 in_multi 99 7K 7K 78643K 287 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 67 307K 307K 78643K 67 0 exec 0 0K 1K 78643K 1209 0 pfkey data 0 0K 0K 78643K 1 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 347 85K 99K 78643K 47507 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 46 0 NDP 11 0K 2K 78643K 112 0 temp 75 5912K 6026K 78643K 33334 0 kqueue 12 18K 25K 78643K 320 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 296 0 293 5 4 1 3 0 8 0 rtentry 112 333 0 223 4 0 4 4 0 8 0 unpcb 144 1907 0 1894 22 21 1 6 0 8 0 syncache 296 31 0 31 6 6 0 1 0 8 0 tcpqe 32 129 0 129 4 4 0 1 0 8 0 tcpcb 808 589 0 585 23 21 2 7 0 8 1 arp 88 53 0 35 1 0 1 1 0 8 0 ipq 40 3 0 3 2 2 0 1 0 8 0 ipqe 40 8 0 8 2 2 0 1 0 8 0 inpcb 336 1809 0 1802 42 40 2 13 0 8 1 nd6 104 76 0 52 1 0 1 1 0 8 0 pkpcb 40 8 0 8 2 2 0 1 0 8 0 kcovpl 48 24 0 16 1 0 1 1 0 8 0 ppxss 1160 14 0 14 4 4 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1188 0 730 34 5 29 30 0 8 0 art_table 32 1189 0 730 4 0 4 4 0 8 0 art_node 16 293 0 193 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 4 2 1 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 442 0 432 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dirhash: pool(0xffffffff82c7b390:dirhash): free list modified: page 0xffff80002167f000; item ordinal 0; addr 0xffff80002167f000 (p 0xfffffd807e576000); offset 0x0=0x0 pool(dirhash): free list modified: page 0xffff80002167f000; item ordinal 0; addr 0xffff80002167f000 (p 0xfffffd807e576000); offset 0x0=0x0 dirhash: pool(0xffffffff82c7b390:dirhash): page inconsistency: page 0xffff80002167f000; item ordinal 1; addr 0x699bcbec8c527750 dino2pl 256 7698 0 6212 93 0 93 93 0 8 0 ffsino 240 7698 0 6212 88 0 88 88 0 8 0 nchpl 144 16180 0 15686 63 41 22 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 51862 0 51861 6 5 1 3 0 8 0 namei: pool(0xffffffff82c7b1b8:namei): free list modified: page 0xffff8000216e5000; item ordinal 0; addr 0xffff8000216e6c00 (p 0xfffffd806a182000); offset 0x0=0x0 pool(namei): free list modified: page 0xffff8000216e5000; item ordinal 0; addr 0xffff8000216e6c00 (p 0xfffffd806a182000); offset 0x0=0x0 namei: pool(0xffffffff82c7b1b8:namei): page inconsistency: page 0xffff8000216e5000; item ordinal 1; addr 0xb41dc373bd0fbb2a kstatmem 264 128 0 106 2 0 2 2 0 8 0 scxspl 216 42054 0 42053 18 14 4 8 1 8 3 plimitpl 152 418 0 403 1 0 1 1 0 8 0 sigapl 424 5449 0 5382 9 0 9 9 0 8 0 futexpl 64 41543 0 41538 1 0 1 1 0 8 0 knotepl 120 43215 0 43135 14 5 9 9 0 8 5 kqueuepl 184 548 0 540 7 6 1 3 0 8 0 pipepl 288 1040 0 1011 26 21 5 7 0 8 2 fdescpl 432 5411 0 5383 5 1 4 5 0 8 0 filepl 120 29842 0 29600 55 42 13 17 0 8 4 lockfpl 104 1090 0 1085 3 1 2 2 0 8 0 lockfspl 48 392 0 389 1 0 1 1 0 8 0 sessionpl 144 40 0 24 1 0 1 1 0 8 0 pgrppl 48 113 0 97 1 0 1 1 0 8 0 ucredpl 104 4010 0 3999 1 0 1 1 0 8 0 zombiepl 144 5383 0 5382 1 0 1 1 0 8 0 processpl 1008 5449 0 5382 12 2 10 10 0 8 0 processpl: pool(0xffffffff82c38458:processpl): page inconsistency: page 0x0; at page head addr 0xffff80002171bf90 (p 0xffff80002171a000) processpl: pool(0xffffffff82c38458:processpl): page inconsistency: page 0x0; at page head addr 0xffff800021715f90 (p 0xffff800021714000) procpl 696 12202 0 12113 14 5 9 10 0 8 0 procpl: pool(0xffffffff82c382b0:procpl): page inconsistency: page 0x0; at page head addr 0xffff8000216edf90 (p 0xffff8000216ec000) procpl: pool(0xffffffff82c382b0:procpl): page inconsistency: page 0x0; at page head addr 0xffff80002170bf90 (p 0xffff80002170a000) sosppl 168 47 0 47 3 2 1 1 0 8 1 sockpl 456 4020 0 3997 80 75 5 21 0 8 2 mcl64k 65536 133 0 133 10 9 1 1 0 8 1 mcl16k 16384 72 0 72 10 9 1 1 0 8 1 mcl12k 12288 92 0 92 10 9 1 1 0 8 1 mcl9k 9216 64 0 64 8 7 1 1 0 8 1 mcl8k 8192 184 0 184 6 5 1 1 0 8 1 mcl4k 4096 426 0 426 5 4 1 2 0 8 1 mcl2k2 2112 30 0 30 9 8 1 1 0 8 1 mcl2k 2048 72678 0 72482 61 35 26 32 0 8 0 mtagpl 96 2796 0 1701 35 8 27 27 0 8 0 mbufpl 256 156928 0 155691 480 398 82 115 0 8 1 bufpl 288 11467 0 5072 457 0 457 457 0 8 0 anonpl 24 612694 0 599660 120 16 104 104 0 188 18 amapchunkpl 152 151437 0 150595 61 21 40 40 0 158 7 amappl16 200 14091 0 13699 63 33 30 34 0 8 8 amappl15 192 15 0 14 1 0 1 1 0 8 0 amappl14 184 201 0 187 2 1 1 2 0 8 0 amappl13 176 14 0 14 1 1 0 1 0 8 0 amappl12 168 6271 0 6242 2 0 2 2 0 8 0 amappl11 160 62 0 50 1 0 1 1 0 8 0 amappl10 152 44 0 34 2 1 1 1 0 8 0 amappl9 144 225 0 224 1 0 1 1 0 8 0 amappl8 136 268 0 194 3 0 3 3 0 8 0 amappl7 128 81 0 66 1 0 1 1 0 8 0 amappl6 120 375 0 354 2 1 1 2 0 8 0 amappl5 112 286 0 277 1 0 1 1 0 8 0 amappl4 104 654 0 620 3 2 1 2 0 8 0 amappl3 96 30391 0 30305 4 1 3 3 0 8 0 amappl2 88 5719 0 5656 3 1 2 3 0 8 0 amappl1 80 28424 0 27915 22 10 12 22 0 8 0 amappl 88 46793 0 46570 9 3 6 6 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 5411 0 5383 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5411 0 5383 1 0 1 1 0 8 0 vmmpekpl 168 39187 0 39136 3 0 3 3 0 8 0 vmmpepl 168 333063 0 330835 173 62 111 123 0 357 3 vmsppl 368 5410 0 5383 4 0 4 4 0 8 0 rwobjpl 24 86274 0 78798 47 0 47 47 0 8 0 pdppl 4096 10828 0 10766 292 230 62 82 0 8 0 pvpl 32 1560119 0 1541425 366 175 191 323 0 265 37 pmappl 216 5410 0 5383 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1644 0 784 26 0 26 26 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace end trace frame: 0x0, count: -1 ddb> machine ddbcpu 1 No such command ddb> trace end trace frame: 0x0, count: -1