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(ffffffff82c1e018,fffffd806f3ae728) at pool_do_put+0x115 pool_put(ffffffff82c1e018,fffffd806f3ae728) at pool_put+0x67 sys/kern/subr_pool.c:799 soclose(fffffd806f3ae728,0) at soclose+0x4aa sys/kern/uipc_socket.c:442 soo_close(fffffd807c4dc540,ffff80002ce3ab18) at soo_close+0x40 fdrop(fffffd807c4dc540,ffff80002ce3ab18) at fdrop+0xc7 sys/kern/kern_descrip.c:1274 closef(fffffd807c4dc540,ffff80002ce3ab18) at closef+0x117 sys/kern/kern_descrip.c:1258 fdfree(ffff80002ce3ab18) at fdfree+0xe3 sys/kern/kern_descrip.c:1190 exit1(ffff80002ce3ab18,1,0,1) at exit1+0x35d sys/kern/kern_exit.c:196 sys_exit(ffff80002ce3ab18,ffff8000265ae4b0,ffff8000265ae500) at sys_exit+0x16 sys/kern/kern_exit.c:89 syscall(ffff8000265ae580) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffbb40, count: -11 ddb> show registers rdi 0 rsi 0xfffffd806f3ae39b rbp 0xffff8000265ae220 rbx 0x26ebba05d29a788c rdx 0 rcx 0x1 rax 0xffff80002ce3ab18 r8 0x90 r9 0x1b r10 0xe2f758834e47ff42 r11 0x8a6aa58ba645110c r12 0xfffffd806f3ae728 r13 0x8baaaa7187cd8964 r14 0xffffffff82c1e018 socket_pool r15 0xfffffd806f3aef90 rip 0xffffffff823672a5 pool_do_put+0x115 cs 0x8 rflags 0x10296 __ALIGN_SIZE+0xf296 rsp 0xffff8000265ae170 ss 0x10 pool_do_put+0x115: movq 0x8(%rbx),%rbx ddb> show proc PROC (ifconfig) pid=328952 stat=onproc flags process=a proc=2000 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80002ce3bb68,0xffffffff82cf3498 process=0xffff8000ffff2fc0 user=0xffff8000265a9000, vmspace=0xfffffd8069b5c820 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 79185 21191 78224 0 3 0x10008a sigsusp sh 78224 246535 3569 0 3 0x82 wait syz-executor.7 62933 63033 3569 0 3 0x82 piperd syz-executor.4 23797 382855 3569 0 3 0x82 piperd syz-executor.2 27239 438603 3569 0 3 0x82 piperd syz-executor.5 56871 489291 3569 0 3 0x82 piperd syz-executor.1 42414 98548 3569 0 3 0x82 piperd syz-executor.6 33884 429128 3569 0 3 0x82 piperd syz-executor.3 272 181528 1 0 3 0x100083 ttyin getty 57167 517360 0 0 3 0x14200 acct acct 64444 69354 0 0 3 0x14280 nfsidl nfsio 95728 183333 0 0 3 0x14280 nfsidl nfsio 34813 287629 0 0 3 0x14280 nfsidl nfsio 74405 236637 0 0 3 0x14280 nfsidl nfsio 79051 320986 0 0 3 0x14280 nfsidl nfsio 99257 282856 0 0 3 0x14280 nfsidl nfsio 94362 322375 0 0 3 0x14280 nfsidl nfsio 46126 355412 0 0 3 0x14280 nfsidl nfsio 36638 519567 0 0 3 0x14280 nfsidl nfsio 95630 88139 0 0 3 0x14280 nfsidl nfsio 97939 93439 0 0 3 0x14280 nfsidl nfsio 17412 404227 0 0 3 0x14280 nfsidl nfsio 23936 147443 0 0 3 0x14280 nfsidl nfsio 38711 432779 0 0 3 0x14280 nfsidl nfsio 38662 200389 0 0 3 0x14280 nfsidl nfsio 40839 481460 0 0 3 0x14280 nfsidl nfsio 57185 152744 0 0 3 0x14280 nfsidl nfsio 25771 309219 0 0 3 0x14280 nfsidl nfsio 90839 308269 0 0 3 0x14280 nfsidl nfsio 40907 476059 0 0 3 0x14280 nfsidl nfsio 9160 362187 0 0 3 0x14200 bored sosplice 3569 314242 41628 0 3 0x82 wait syz-fuzzer 3569 333956 41628 0 3 0x4000082 nanoslp syz-fuzzer 3569 465717 41628 0 3 0x4000082 wait syz-fuzzer 3569 266137 41628 0 3 0x4000082 wait syz-fuzzer 3569 21626 41628 0 3 0x4000082 wait syz-fuzzer 3569 83789 41628 0 3 0x4000082 thrsleep syz-fuzzer 3569 123631 41628 0 3 0x4000082 thrsleep syz-fuzzer 3569 295390 41628 0 3 0x4000082 thrsleep syz-fuzzer 3569 424889 41628 0 3 0x4000003 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 10215 6428K 6960K 78643K 19497 0 pcb 13 18K 21K 78643K 3437 0 rtable 145 15K 18K 78643K 4683 0 ifaddr 86 27K 34K 78643K 1723 0 sysctl 2 0K 2K 78643K 18 0 counters 25 17K 17K 78643K 871 0 ioctlops 0 0K 4K 78643K 2608 0 iov 0 0K 32K 78643K 2828 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1554 97K 98K 78643K 12575 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 151 0 VM map 2 1K 1K 78643K 2 0 sem 20 5K 6K 78643K 2793 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 11 37K 73K 78643K 16681 0 sigio 0 0K 0K 78643K 412 0 proc 68 51K 83K 78643K 3476 0 subproc 91 5K 6K 78643K 1196 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1131 0 in_multi 52 3K 6K 78643K 1690 0 ether_multi 1 0K 0K 78643K 134 0 mrt 4 0K 0K 78643K 104 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 229 1023K 1023K 78643K 229 0 exec 0 0K 1K 78643K 4007 0 pfkey data 0 0K 2K 78643K 93 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 275 82K 107K 78643K 107393 0 UVM aobj 131 8K 8K 78643K 137 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 524 0 NDP 12 0K 1K 78643K 570 0 temp 135 5778K 71434K 78643K 212384 0 kqueue 6 10K 26K 78643K 1586 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 1428 0 1427 12 11 1 3 0 8 0 rtentry 112 1523 0 1471 5 2 3 4 0 8 0 unpcb 144 15793 0 15787 149 148 1 10 0 8 0 syncache 296 96 0 96 21 21 0 1 0 8 0 tcpqe 32 521 0 521 12 12 0 1 0 8 0 tcpcb 776 5301 0 5297 182 180 2 14 0 8 1 arp 88 204 0 195 1 0 1 1 0 8 0 ipq 40 3 0 3 3 3 0 1 0 8 0 ipqe 40 10 0 10 3 3 0 1 0 8 0 inpcb 336 17998 0 17994 255 251 4 14 0 8 3 nd6 48 312 0 300 1 0 1 1 0 8 0 pkpcb 40 45 0 45 11 11 0 1 0 8 0 kcovpl 48 92 0 85 1 0 1 1 0 8 0 mppekey 1024 47 0 47 5 5 0 1 0 8 0 ppxss 1160 616 0 616 36 35 1 1 0 8 1 pppxif 1360 242 0 242 26 25 1 1 0 8 1 pfstscr 40 122 0 100 1 0 1 1 0 8 0 pfosfp 40 3 0 2 1 0 1 1 0 8 0 pfosfpen 112 3 0 2 1 0 1 1 0 8 0 pfanchor 1280 1115 44 603 51 8 43 43 0 8 0 pfqueue 264 4 0 4 2 2 0 1 0 8 0 pfstitem 24 149 0 120 1 0 1 1 0 8 0 pfstkey 128 318 0 207 4 0 4 4 0 8 0 pfstate 352 179 0 163 4 2 2 2 0 8 0 rttmr 136 21 0 21 8 8 0 1 0 8 0 art_heap8 4096 19 0 18 17 16 1 4 0 8 0 art_heap4 256 7029 0 6790 81 53 28 30 0 8 5 art_table 32 7048 0 6808 5 1 4 4 0 8 0 art_node 16 1408 0 1365 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 7 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 2781 0 2763 1 0 1 1 0 8 0 shmpl 112 134 0 6 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 27318 0 25809 96 0 96 96 0 8 0 ffsino 240 27318 0 25809 90 0 90 90 0 8 0 nchpl 144 53791 0 52170 63 1 62 63 0 8 0 rtmask 32 19 0 19 7 7 0 1 0 8 0 uvmvnodes 80 5957 0 0 122 0 122 122 0 8 0 vnodes 216 5957 0 0 331 0 331 331 0 8 0 namei 1024 203658 0 203658 7 6 1 3 0 8 1 vmpool 664 121 0 121 16 16 0 1 0 8 0 kstatmem 264 714 0 690 9 6 3 3 0 8 0 scsiplug 72 11 0 11 4 4 0 1 0 8 0 scxspl 216 146535 0 146535 44 42 2 8 0 8 2 plimitpl 152 2926 0 2913 1 0 1 1 0 8 0 sigapl 424 16869 0 16812 8 0 8 8 0 8 0 futexpl 64 218312 0 218312 1 0 1 1 0 8 1 knotepl 120 283788 0 283728 169 159 10 18 0 8 7 kqueuepl 184 3964 0 3959 52 51 1 4 0 8 0 pipepl 288 4691 0 4666 90 81 9 10 0 8 6 fdescpl 432 16791 0 16772 4 1 3 4 0 8 0 filepl 120 150617 0 150422 169 157 12 17 0 8 3 lockfpl 104 4560 0 4559 15 13 2 3 0 8 1 lockfspl 48 1264 0 1263 1 0 1 1 0 8 0 sessionpl 144 110 0 96 1 0 1 1 0 8 0 pgrppl 48 217 0 203 1 0 1 1 0 8 0 ucredpl 104 21513 0 21506 1 0 1 1 0 8 0 zombiepl 144 16813 0 16812 4 3 1 1 0 8 0 processpl 1008 16869 0 16812 10 1 9 9 0 8 0 procpl 696 41967 0 41897 18 9 9 10 0 8 0 sosppl 168 122 0 122 29 29 0 1 0 8 0 sockpl 456 35397 0 35385 851 843 8 35 0 8 6 sockpl: pool(0xffffffff82c1e018:sockpl): free list modified: page 0xfffffd806f3ae000; item ordinal 0; addr 0xfffffd806f3ae39b (p 0xfffffd806f3ae000); offset 0x0=0xf763dcf108340265 pool(sockpl): free list modified: page 0xfffffd806f3ae000; item ordinal 0; addr 0xfffffd806f3ae39b (p 0xfffffd806f3ae000); offset 0x0=0xad4110de sockpl: pool(0xffffffff82c1e018:sockpl): page inconsistency: page 0xfffffd806f3ae000; item ordinal 1; addr 0x26ebba05d29a788c mcl64k 65536 777 0 777 29 28 1 1 0 8 1 mcl16k 16384 434 0 434 37 36 1 1 0 8 1 mcl12k 12288 767 0 767 28 27 1 1 0 8 1 mcl9k 9216 215 0 215 37 36 1 1 0 8 1 mcl8k 8192 1157 0 1157 24 23 1 1 0 8 1 mcl4k 4096 3025 0 3025 13 12 1 1 0 8 1 mcl2k2 2112 128 0 128 40 39 1 1 0 8 1 mcl2k 2048 114344 0 114303 87 80 7 35 0 8 1 mtagpl 96 757 0 757 16 16 0 11 0 8 0 mbufpl 256 381103 0 381005 1292 1276 16 92 0 8 3 bufpl 288 34684 0 28269 459 0 459 459 0 8 0 anonpl 24 3167088 0 3153361 249 130 119 140 0 188 0 amapchunkpl 152 314145 0 313583 155 126 29 41 0 158 2 amappl16 200 26735 0 26108 143 108 35 48 0 8 0 amappl15 192 8 0 8 3 3 0 1 0 8 0 amappl14 184 470 0 462 2 1 1 2 0 8 0 amappl13 176 2 0 2 1 1 0 1 0 8 0 amappl12 168 1404 0 1399 1 0 1 1 0 8 0 amappl11 160 46 0 42 1 0 1 1 0 8 0 amappl10 152 118 0 110 1 0 1 1 0 8 0 amappl9 144 1078 0 1078 39 38 1 1 0 8 1 amappl8 136 718 0 635 3 0 3 3 0 8 0 amappl7 128 382 0 360 2 0 2 2 0 8 0 amappl6 120 678 0 659 2 1 1 2 0 8 0 amappl5 112 701 0 696 1 0 1 1 0 8 0 amappl4 104 1657 0 1629 2 1 1 2 0 8 0 amappl3 96 47599 0 47568 2 0 2 2 0 8 0 amappl2 88 18315 0 18264 3 1 2 3 0 8 0 amappl1 80 375152 0 374662 26 11 15 26 0 8 0 amappl 88 105811 0 105672 5 0 5 5 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 72 136 0 6 3 0 3 3 0 8 0 uaddrrnd 24 16912 0 16893 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 16912 0 16893 1 0 1 1 0 8 0 vmmpekpl 168 126991 0 126947 3 0 3 3 0 8 0 vmmpepl 168 1547056 0 1545011 369 239 130 148 0 357 2 vmsppl 344 16911 0 16893 3 0 3 3 0 8 0 rwobjpl 24 389718 0 382146 50 2 48 49 0 8 0 pdppl 4096 33830 0 33786 994 938 56 68 0 8 12 pvpl 32 6241442 0 6223144 594 402 192 362 0 265 0 pmappl 216 16911 0 16893 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3608 0 2832 25 0 25 25 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pool_do_put(ffffffff82c1e018,fffffd806f3ae728) at pool_do_put+0x115 pool_put(ffffffff82c1e018,fffffd806f3ae728) at pool_put+0x67 sys/kern/subr_pool.c:799 soclose(fffffd806f3ae728,0) at soclose+0x4aa sys/kern/uipc_socket.c:442 soo_close(fffffd807c4dc540,ffff80002ce3ab18) at soo_close+0x40 fdrop(fffffd807c4dc540,ffff80002ce3ab18) at fdrop+0xc7 sys/kern/kern_descrip.c:1274 closef(fffffd807c4dc540,ffff80002ce3ab18) at closef+0x117 sys/kern/kern_descrip.c:1258 fdfree(ffff80002ce3ab18) at fdfree+0xe3 sys/kern/kern_descrip.c:1190 exit1(ffff80002ce3ab18,1,0,1) at exit1+0x35d sys/kern/kern_exit.c:196 sys_exit(ffff80002ce3ab18,ffff8000265ae4b0,ffff8000265ae500) at sys_exit+0x16 sys/kern/kern_exit.c:89 syscall(ffff8000265ae580) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffbb40, count: -11 ddb> machine ddbcpu 1 No such command ddb> trace pool_do_put(ffffffff82c1e018,fffffd806f3ae728) at pool_do_put+0x115 pool_put(ffffffff82c1e018,fffffd806f3ae728) at pool_put+0x67 sys/kern/subr_pool.c:799 soclose(fffffd806f3ae728,0) at soclose+0x4aa sys/kern/uipc_socket.c:442 soo_close(fffffd807c4dc540,ffff80002ce3ab18) at soo_close+0x40 fdrop(fffffd807c4dc540,ffff80002ce3ab18) at fdrop+0xc7 sys/kern/kern_descrip.c:1274 closef(fffffd807c4dc540,ffff80002ce3ab18) at closef+0x117 sys/kern/kern_descrip.c:1258 fdfree(ffff80002ce3ab18) at fdfree+0xe3 sys/kern/kern_descrip.c:1190 exit1(ffff80002ce3ab18,1,0,1) at exit1+0x35d sys/kern/kern_exit.c:196 sys_exit(ffff80002ce3ab18,ffff8000265ae4b0,ffff8000265ae500) at sys_exit+0x16 sys/kern/kern_exit.c:89 syscall(ffff8000265ae580) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffbb40, count: -11