kernel: protection fault trap, code=0 Stopped at pool_do_put+0x115: movq 0x8(%rbx),%rbx ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace pool_do_put(ffffffff82c2d5d8,fffffd8066e87d10) at pool_do_put+0x115 pool_put(ffffffff82c2d5d8,fffffd8066e87d10) at pool_put+0x6b sys/kern/subr_pool.c:799 soclose(fffffd8066e87d10,0) at soclose+0x4ba sys/kern/uipc_socket.c:440 soo_close(fffffd80663bde10,ffff80002e8cf350) at soo_close+0x44 fdrop(fffffd80663bde10,ffff80002e8cf350) at fdrop+0xcb sys/kern/kern_descrip.c:1274 closef(fffffd80663bde10,ffff80002e8cf350) at closef+0x11b sys/kern/kern_descrip.c:1258 fdfree(ffff80002e8cf350) at fdfree+0xf3 sys/kern/kern_descrip.c:1190 exit1(ffff80002e8cf350,0,0,1) at exit1+0x35d sys/kern/kern_exit.c:197 sys_exit(ffff80002e8cf350,ffff80002b46acd0,ffff80002b46ad20) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002b46ada0) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d9c522a4710, count: -11 ddb> show registers rdi 0 rsi 0xfffffd8066e87b4a rbp 0xffff80002b46aa40 rbx 0xb9971a3d9b006a6e rdx 0 rcx 0x1 rax 0xffff80002e8cf350 r8 0x90 r9 0x19 r10 0x243bb68e225fc4cd r11 0x53e2c2e0ce863402 r12 0xfffffd8066e87d10 r13 0xf8c51d077b877701 r14 0xffffffff82c2d5d8 socket_pool r15 0xfffffd8066e87f90 rip 0xffffffff822b9885 pool_do_put+0x115 cs 0x8 rflags 0x10212 __ALIGN_SIZE+0xf212 rsp 0xffff80002b46a990 ss 0x10 pool_do_put+0x115: movq 0x8(%rbx),%rbx ddb> show proc PROC (ifconfig) pid=293239 stat=onproc flags process=a proc=2000 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80002e8cf098,0xffffffff82cfa848 process=0xffff80002b40fba0 user=0xffff80002b465000, vmspace=0xfffffd806997a460 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 74699 250885 33735 0 3 0x10008a sigsusp sh 33735 163359 9178 0 3 0x82 wait syz-executor.2 47 233950 0 0 3 0x14280 nfsidl nfsio 91314 33402 0 0 3 0x14280 nfsidl nfsio 22530 273255 0 0 3 0x14280 nfsidl nfsio 91980 248386 0 0 3 0x14280 nfsidl nfsio 54831 444252 0 0 3 0x14280 nfsidl nfsio 45871 285977 0 0 3 0x14280 nfsidl nfsio 32108 152205 0 0 3 0x14280 nfsidl nfsio 9539 216270 0 0 3 0x14280 nfsidl nfsio 98539 44989 0 0 3 0x14280 nfsidl nfsio 17559 475002 0 0 3 0x14280 nfsidl nfsio 65936 431936 0 0 3 0x14280 nfsidl nfsio 44333 468777 0 0 3 0x14280 nfsidl nfsio 71478 170313 0 0 3 0x14280 nfsidl nfsio 95548 188251 0 0 3 0x14280 nfsidl nfsio 49322 425214 0 0 3 0x14280 nfsidl nfsio 47331 490853 0 0 3 0x14280 nfsidl nfsio 98888 442590 0 0 3 0x14280 nfsidl nfsio 25942 207644 0 0 3 0x14280 nfsidl nfsio 89036 67560 0 0 3 0x14280 nfsidl nfsio 27645 441029 0 0 3 0x14280 nfsidl nfsio 78726 250751 0 0 3 0x14200 bored sosplice 22978 418972 9178 0 3 0x3 kernel: protection fault trap, code=0 Faulted in DDB; continuing... ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10172 6401K 7572K 78643K 16845 0 pcb 13 8K 8K 78643K 83 0 rtable 212 6K 6K 78643K 361 0 pf 29 8K 9K 78643K 64 0 ifaddr 40 10K 11K 78643K 60 0 ifgroup 50 2K 2K 78643K 105 0 sysctl 2 0K 0K 78643K 2 0 counters 28 17K 17K 78643K 41 0 ioctlops 0 0K 2K 78643K 42 0 iov 0 0K 16K 78643K 284 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1415 88K 89K 78643K 3341 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 35 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 16 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 12 41K 73K 78643K 1534 0 sigio 0 0K 0K 78643K 102 0 proc 64 67K 75K 78643K 548 0 subproc 104 6K 6K 78643K 117 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 565 0 in_multi 88 6K 7K 78643K 118 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 73 334K 334K 78643K 73 0 exec 0 0K 1K 78643K 620 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 273 80K 94K 78643K 16437 0 UVM aobj 131 4K 4K 78643K 136 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 29 0 NDP 11 0K 1K 78643K 40 0 temp 74 5912K 5988K 78643K 10899 0 kqueue 12 18K 24K 78643K 117 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 120 134 0 131 3 2 1 2 0 8 0 rtentry 112 115 0 16 4 0 4 4 0 8 0 unpcb 144 1528 0 1515 13 12 1 6 0 8 0 syncache 296 16 0 16 3 3 0 1 0 8 0 tcpqe 32 395 0 395 4 4 0 1 0 8 0 tcpcb 808 444 0 440 18 17 1 8 0 8 0 arp 88 18 0 2 1 0 1 1 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 36 0 36 1 1 0 1 0 8 0 inpcb 336 999 0 992 16 15 1 7 0 8 0 nd6 104 28 0 7 1 0 1 1 0 8 0 pkpcb 40 71 0 71 1 1 0 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1160 3 0 3 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 464 0 55 29 0 29 29 0 8 2 art_table 32 465 0 55 4 0 4 4 0 8 0 art_node 16 114 0 24 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 4 1 1 0 1 0 8 0 semupl 112 4 0 4 2 2 0 1 0 8 0 semapl 112 10 0 0 1 0 1 1 0 8 0 shmpl 112 133 0 5 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3693 0 2248 91 0 91 91 0 8 0 ffsino 240 3693 0 2248 86 0 86 86 0 8 0 nchpl 144 6022 0 4382 63 0 63 63 0 8 0 uvmvnodes 80 5290 0 0 108 0 108 108 0 8 0 vnodes 216 5290 0 0 294 0 294 294 0 8 0 namei 1024 22298 0 22298 6 5 1 3 0 8 1 kstatmem 264 48 0 26 2 0 2 2 0 8 0 scxspl 216 17846 0 17846 15 14 1 8 1 8 1 plimitpl 152 177 0 162 1 0 1 1 0 8 0 sigapl 424 1886 0 1823 8 0 8 8 0 8 0 futexpl 64 15315 0 15315 1 0 1 1 0 8 1 knotepl 120 15658 0 15576 3 0 3 3 0 8 0 kqueuepl 184 251 0 243 5 4 1 4 0 8 0 pipepl 288 440 0 412 14 11 3 7 0 8 0 fdescpl 432 1809 0 1786 4 0 4 4 0 8 1 filepl 120 13535 0 13301 19 11 8 15 0 8 0 lockfpl 104 1873 0 1871 3 2 1 2 0 8 0 lockfspl 48 908 0 906 1 0 1 1 0 8 0 sessionpl 144 24 0 8 1 0 1 1 0 8 0 pgrppl 48 31 0 15 1 0 1 1 0 8 0 ucredpl 104 2617 0 2606 1 0 1 1 0 8 0 zombiepl 144 1827 0 1823 2 1 1 1 0 8 0 processpl 1008 1886 0 1823 10 1 9 9 0 8 0 procpl 696 4127 0 4051 10 1 9 9 0 8 0 sosppl 168 19 0 19 2 2 0 1 0 8 0 sockpl 456 2736 0 2712 69 65 4 21 0 8 0 sockpl: pool(0xffffffff82c2d5d8:sockpl): free list modified: page 0xfffffd8066e87000; item ordinal 0; addr 0xfffffd8066e87b4a (p 0xfffffd8066e87000); offset 0x0=0x561d39133f1e463 pool(sockpl): free list modified: page 0xfffffd8066e87000; item ordinal 0; addr 0xfffffd8066e87b4a (p 0xfffffd8066e87000); offset 0x0=0x4152deaf sockpl: pool(0xffffffff82c2d5d8:sockpl): page inconsistency: page 0xfffffd8066e87000; item ordinal 1; addr 0xb9971a3d9b006a6e mcl64k 65536 55 0 55 2 2 0 1 0 8 0 mcl16k 16384 88 0 88 4 4 0 1 0 8 0 mcl12k 12288 47 0 47 1 1 0 1 0 8 0 mcl9k 9216 24 0 24 2 2 0 1 0 8 0 mcl8k 8192 160 0 160 3 2 1 1 0 8 1 mcl4k 4096 218 0 218 3 3 0 3 0 8 0 mcl2k2 2112 14 0 14 3 3 0 1 0 8 0 mcl2k 2048 68121 0 68027 50 36 14 39 0 8 0 mtagpl 96 1280 0 302 27 1 26 26 0 8 0 mbufpl 256 131508 0 130390 198 118 80 158 0 8 4 bufpl 288 6603 0 205 458 0 458 458 0 8 0 anonpl 24 345201 0 334540 112 20 92 110 0 188 0 amapchunkpl 152 54445 0 53751 50 15 35 47 0 158 0 amappl16 200 9136 0 8743 42 20 22 35 0 8 0 amappl15 192 13 0 13 2 2 0 1 0 8 0 amappl14 184 165 0 153 2 1 1 2 0 8 0 amappl13 176 17 0 17 2 2 0 1 0 8 0 amappl12 168 2446 0 2421 2 0 2 2 0 8 0 amappl11 160 57 0 47 1 0 1 1 0 8 0 amappl10 152 31 0 22 1 0 1 1 0 8 0 amappl9 144 180 0 179 2 1 1 1 0 8 0 amappl8 136 225 0 170 2 0 2 2 0 8 0 amappl7 128 70 0 60 2 0 2 2 0 8 0 amappl6 120 248 0 227 2 1 1 2 0 8 0 amappl5 112 187 0 177 1 0 1 1 0 8 0 amappl4 104 552 0 516 2 0 2 2 0 8 0 amappl3 96 11019 0 10966 3 0 3 3 0 8 1 amappl2 88 2122 0 2064 4 2 2 3 0 8 0 amappl1 80 14758 0 14257 23 12 11 22 0 8 0 amappl 88 15893 0 15722 6 0 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 72 135 0 5 3 0 3 3 0 8 0 uaddrrnd 24 1809 0 1786 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1809 0 1786 1 0 1 1 0 8 0 vmmpekpl 168 18356 0 18310 3 0 3 3 0 8 0 vmmpepl 168 127630 0 125725 151 41 110 133 0 357 12 vmsppl 368 1808 0 1786 3 0 3 3 0 8 0 rwobjpl 24 44030 0 37250 43 1 42 42 0 8 0 pdppl 4096 3625 0 3572 167 114 53 69 0 8 0 pvpl 32 756103 0 740373 327 109 218 323 0 265 52 pmappl 216 1808 0 1786 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1155 0 329 25 0 25 25 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pool_do_put(ffffffff82c2d5d8,fffffd8066e87d10) at pool_do_put+0x115 pool_put(ffffffff82c2d5d8,fffffd8066e87d10) at pool_put+0x6b sys/kern/subr_pool.c:799 soclose(fffffd8066e87d10,0) at soclose+0x4ba sys/kern/uipc_socket.c:440 soo_close(fffffd80663bde10,ffff80002e8cf350) at soo_close+0x44 fdrop(fffffd80663bde10,ffff80002e8cf350) at fdrop+0xcb sys/kern/kern_descrip.c:1274 closef(fffffd80663bde10,ffff80002e8cf350) at closef+0x11b sys/kern/kern_descrip.c:1258 fdfree(ffff80002e8cf350) at fdfree+0xf3 sys/kern/kern_descrip.c:1190 exit1(ffff80002e8cf350,0,0,1) at exit1+0x35d sys/kern/kern_exit.c:197 sys_exit(ffff80002e8cf350,ffff80002b46acd0,ffff80002b46ad20) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002b46ada0) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d9c522a4710, count: -11 ddb> machine ddbcpu 1 No such command ddb> trace pool_do_put(ffffffff82c2d5d8,fffffd8066e87d10) at pool_do_put+0x115 pool_put(ffffffff82c2d5d8,fffffd8066e87d10) at pool_put+0x6b sys/kern/subr_pool.c:799 soclose(fffffd8066e87d10,0) at soclose+0x4ba sys/kern/uipc_socket.c:440 soo_close(fffffd80663bde10,ffff80002e8cf350) at soo_close+0x44 fdrop(fffffd80663bde10,ffff80002e8cf350) at fdrop+0xcb sys/kern/kern_descrip.c:1274 closef(fffffd80663bde10,ffff80002e8cf350) at closef+0x11b sys/kern/kern_descrip.c:1258 fdfree(ffff80002e8cf350) at fdfree+0xf3 sys/kern/kern_descrip.c:1190 exit1(ffff80002e8cf350,0,0,1) at exit1+0x35d sys/kern/kern_exit.c:197 sys_exit(ffff80002e8cf350,ffff80002b46acd0,ffff80002b46ad20) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002b46ada0) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d9c522a4710, count: -11