?թ:OITq,~et瞢ZNrzWJH@lM [Mi\-.2 ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic fifo_badop called ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic() at panic+0x15c sys/kern/subr_prf.c:207 fifo_badop(ffff80001579ae88) at fifo_badop+0x14 sys/miscfs/fifofs/fifo_vnops.c:491 VOP_STRATEGY(fffffd8024647800) at VOP_STRATEGY+0x99 sys/kern/vfs_vops.c:727 bwrite(fffffd8024647800) at bwrite+0x206 sys/kern/vfs_bio.c:738 VOP_BWRITE(fffffd8024647800) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:739 ufs_mkdir(ffff80001579b110) at ufs_mkdir+0x6b7 sys/ufs/ufs/ufs_vnops.c:1250 VOP_MKDIR(fffffd802debd4e0,ffff80001579b270,ffff80001579b2c0,ffff80001579b1a0) at VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:450 domkdirat(ffff8000ffff2ee8,ffffff9c,7f7ffffd9e50,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:2983 syscall(ffff80001579b440) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,88,7f7ffffd9e50,88,0,7f7ffffd9e74) at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd9ec0, count: -11 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80001579adb0 rbx 0xffff80001579ae60 rdx 0x2 rcx 0 rax 0 r8 0xffff80001579ad70 r9 0x1 r10 0 r11 0x7bc68a76b60af7f5 r12 0x3000000008 r13 0xffff80001579adc0 r14 0x100 r15 0x1 rip 0xffffffff8208d768 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001579ada0 ss 0 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.1) pid=423407 stat=onproc flags process=2 proc=0 pri=17, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2018,0xffff8000ffff22a0 process=0xffff8000148a26d8 user=0xffff800015796000, vmspace=0xfffffd803f013000 estcpu=36, cpticks=0, pctcpu=0.3 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 12512 164678 82008 0 2 0 syz-executor.0 12512 154774 82008 0 2 0x4000000 syz-executor.0 * 7505 423407 79113 0 7 0x2 syz-executor.1 82008 258529 79113 0 3 0x82 nanosleep syz-executor.0 82556 507758 0 0 3 0x14200 acct acct 54466 402670 1 0 3 0x100083 ttyin getty 12411 480586 0 0 3 0x14200 bored sosplice 79113 76259 79506 0 3 0x82 thrsleep syz-fuzzer 79113 84779 79506 0 3 0x4000082 thrsleep syz-fuzzer 79113 492668 79506 0 3 0x4000082 thrsleep syz-fuzzer 79113 392686 79506 0 3 0x4000082 thrsleep syz-fuzzer 79113 384670 79506 0 3 0x4000082 thrsleep syz-fuzzer 79113 61102 79506 0 3 0x4000082 kqread syz-fuzzer 79113 11146 79506 0 3 0x4000082 thrsleep syz-fuzzer 79113 49864 79506 0 3 0x4000082 thrsleep syz-fuzzer 79506 298091 42499 0 3 0x10008a pause ksh 42499 351668 41015 0 3 0x92 select sshd 41015 208757 1 0 3 0x80 select sshd 41736 210421 19347 73 3 0x100090 kqread syslogd 19347 153394 1 0 3 0x100082 netio syslogd 38999 482564 1 77 3 0x100090 poll dhclient 11547 148087 1 0 3 0x80 poll dhclient 2980 57898 0 0 2 0x14200 zerothread 18489 323760 0 0 3 0x14200 aiodoned aiodoned 52157 343951 0 0 3 0x14200 syncer update 24175 275038 0 0 3 0x14200 cleaner cleaner 683 150470 0 0 3 0x14200 reaper reaper 85858 135023 0 0 3 0x14200 pgdaemon pagedaemon 32934 284092 0 0 3 0x14200 bored crynlk 30402 99065 0 0 3 0x14200 bored crypto 98579 67297 0 0 3 0x40014200 acpi0 acpi0 89221 442708 0 0 3 0x14200 bored softnet 6463 152887 0 0 3 0x14200 bored systqmp 42588 501006 0 0 3 0x14200 bored systq 6155 299599 0 0 3 0x40014200 bored softclock 15227 40722 0 0 3 0x40014200 idle0 18596 229406 0 0 3 0x14200 bored smr 1 116832 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9601 6392K 8304K 78643K 35371 0 0 pcb 13 13K 14K 78643K 5872 0 0 rtable 125 12K 13K 78643K 5396 0 0 ifaddr 100 26K 29K 78643K 1299 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 483 0 0 iov 0 0K 32K 78643K 4841 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1218 76K 77K 78643K 10157 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 159 0 0 VM map 81 20K 20K 78643K 143 0 0 sem 12 0K 1K 78643K 2256 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 8343 0 0 sigio 0 0K 0K 78643K 129 0 0 proc 49 38K 63K 78643K 3380 0 0 subproc 32 2K 2K 78643K 939 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 659 0 0 in_multi 37 2K 2K 78643K 972 0 0 ether_multi 1 0K 0K 78643K 74 0 0 mrt 0 0K 0K 78643K 56 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 120 530K 530K 78643K 120 0 0 exec 0 0K 1K 78643K 1867 0 0 pfkey data 0 0K 4K 78643K 2 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 237 706K 706K 78643K 22130 0 0 UVM aobj 130 4K 4K 78643K 151 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 2K 78643K 5084 0 0 NDP 23 0K 1K 78643K 433 0 0 temp 247 3545K 4185K 78643K 383390 0 0 kqueue 0 0K 0K 78643K 85 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 218 0 212 1 0 1 1 0 8 0 rtpcb 80 898 0 896 1 0 1 1 0 8 0 rtentry 112 1056 0 1013 2 0 2 2 0 8 0 unpcb 120 6276 0 6260 10 9 1 2 0 8 0 syncache 264 40 0 40 17 17 0 1 0 8 0 tcpqe 32 162 0 162 9 9 0 1 0 8 0 tcpcb 544 8193 0 8188 32 31 1 12 0 8 0 ipq 40 77 0 77 31 30 1 1 0 8 1 ipqe 40 1853 0 1853 31 30 1 1 0 8 1 inpcb 280 18669 0 18661 44 41 3 13 0 8 2 rttmr 72 17 0 16 4 3 1 1 0 8 0 ip6q 72 7 0 7 2 2 0 1 0 8 0 ip6af 40 15 0 15 3 3 0 1 0 8 0 nd6 48 136 0 133 10 9 1 1 0 8 0 pkpcb 40 18 0 18 7 7 0 1 0 8 0 swfcl 56 6 0 0 1 0 1 1 0 8 0 ppxss 1128 142 0 142 34 33 1 1 0 8 1 art_heap8 4096 30 0 29 21 20 1 3 0 8 0 art_heap4 256 4202 0 3948 71 53 18 18 0 8 1 art_table 32 4232 0 3977 7 4 3 3 0 8 0 art_node 16 1055 0 1015 1 0 1 1 0 8 0 sysvmsgpl 40 66 0 38 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 2254 0 2244 1 0 1 1 0 8 0 shmpl 112 149 0 21 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 14053 0 12631 47 0 47 47 0 8 0 ffsino 240 14053 0 12631 85 1 84 84 0 8 0 nchpl 144 27598 0 27109 60 41 19 60 0 8 0 uvmvnodes 72 9554 0 0 174 0 174 174 0 8 0 vnodes 208 9554 0 0 503 0 503 503 0 8 0 namei 1024 95718 0 95715 5 4 1 1 0 8 0 vcpupl 1984 81 0 2 10 0 10 10 0 8 0 vmpool 520 141 0 62 8 2 6 6 0 8 0 scsiplug 64 10 0 10 8 7 1 1 0 8 1 scxspl 192 111962 0 111962 47 46 1 7 0 8 1 plimitpl 152 809 0 802 1 0 1 1 0 8 0 sigapl 432 8361 0 8348 2 0 2 2 0 8 0 futexpl 56 263254 0 263254 6 5 1 1 0 8 1 knotepl 112 2499 0 2480 4 3 1 3 0 8 0 kqueuepl 104 2397 0 2395 4 3 1 4 0 8 0 pipepl 112 5638 0 5619 16 15 1 2 0 8 0 fdescpl 424 8362 0 8348 2 0 2 2 0 8 0 filepl 120 78590 0 78494 43 38 5 11 0 8 1 lockfpl 104 3171 0 3170 1 0 1 1 0 8 0 lockfspl 48 1048 0 1047 1 0 1 1 0 8 0 sessionpl 112 76 0 66 1 0 1 1 0 8 0 pgrppl 48 160 0 150 1 0 1 1 0 8 0 ucredpl 96 10356 0 10347 1 0 1 1 0 8 0 zombiepl 144 8350 0 8350 1 0 1 1 0 8 1 processpl 864 8380 0 8350 4 0 4 4 0 8 0 procpl 632 18585 0 18547 6 2 4 5 0 8 0 sosppl 128 155 0 155 32 32 0 1 0 8 0 sockpl 384 26332 0 26306 88 82 6 22 0 8 2 mcl64k 65536 1606 0 1606 105 104 1 33 0 8 1 mcl16k 16384 110 0 110 33 32 1 1 0 8 1 mcl12k 12288 283 0 283 25 24 1 1 0 8 1 mcl9k 9216 184 0 184 31 30 1 1 0 8 1 mcl8k 8192 417 0 417 19 18 1 1 0 8 1 mcl4k 4096 1033 0 1033 9 8 1 1 0 8 1 mcl2k2 2112 95 0 95 39 38 1 1 0 8 1 mcl2k 2048 82809 0 82757 25 17 8 16 0 8 0 mtagpl 80 355 0 355 8 8 0 1 0 8 0 mbufpl 256 220272 0 220125 266 244 22 36 0 8 8 bufpl 256 44923 0 35363 599 1 598 598 0 8 0 anonpl 16 1057230 0 1037138 332 241 91 102 0 62 0 amapchunkpl 152 45927 0 45756 156 148 8 21 0 158 0 amappl16 192 51783 0 50574 385 315 70 73 0 8 8 amappl15 184 717 0 717 8 7 1 1 0 8 1 amappl14 176 1202 0 1200 1 0 1 1 0 8 0 amappl13 168 915 0 914 10 9 1 1 0 8 0 amappl12 160 1632 0 1627 1 0 1 1 0 8 0 amappl11 152 754 0 743 1 0 1 1 0 8 0 amappl10 144 1576 0 1575 11 10 1 1 0 8 0 amappl9 136 2498 0 2490 1 0 1 1 0 8 0 amappl8 128 1959 0 1912 2 0 2 2 0 8 0 amappl7 120 1786 0 1779 1 0 1 1 0 8 0 amappl6 112 644 0 635 1 0 1 1 0 8 0 amappl5 104 2229 0 2217 1 0 1 1 0 8 0 amappl4 96 8069 0 8041 1 0 1 1 0 8 0 amappl3 88 2048 0 2038 1 0 1 1 0 8 0 amappl2 80 63773 0 63694 3 1 2 3 0 8 0 amappl1 72 165077 0 164673 27 18 9 20 0 8 0 amappl 80 19780 0 19690 2 0 2 2 0 84 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 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 17 0 17 1 1 0 1 0 8 0 aobjpl 64 150 0 21 3 0 3 3 0 8 0 uaddrrnd 24 8503 0 8348 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8503 0 8348 1 0 1 1 0 8 0 vmmpekpl 168 55251 0 55207 3 0 3 3 0 8 0 vmmpepl 168 1040670 0 1038188 650 496 154 164 0 357 37 vmsppl 272 8361 0 8348 8 7 1 2 0 8 0 pdppl 4096 17012 0 16899 21 6 15 15 0 8 0 pvpl 32 3002651 0 2980153 859 650 209 335 0 265 10 pmappl 200 8502 0 8410 5 0 5 5 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 1304 0 548 23 1 22 22 0 8 0