ȁ?WZ.^UfQ-sZҥ{ih|C-Qڣ.+ %vԉ gFKD/&In6^uUr4}_}: ЕQk'[]*9h(()6T~7ہg{p]uc0D vEaeNG33@~UGo;&8r>~KpQ9gߐ/އ8$1q RiivYSO<Jp ddb> set $lines = 0 ddb> show panic pr_find_pagehead: mbufpl: page header missing ddb> trace db_enter() at db_enter+0xa panic() at panic+0x147 pool_do_put(ffffff0006000100,ffffffff81ee0690) at pool_do_put+0x339 pool_put(0,ffffff0006000100) at pool_put+0x37 m_free(ffffff0006000100) at m_free+0x12c mq_purge(ffff800001af8680) at mq_purge+0x6d switchclose(ffff8000ffffbc38,ffff8000210ac8a8,ffffffff81770467,ffff8000210ac850) at switchclose+0x77 spec_close(ffffffff81e20158) at spec_close+0x271 VOP_CLOSE(ffffff0071000b90,ffff8000ffffbc38,ffffff007f7c7b40,3) at VOP_CLOSE+0x5f vn_closefile(ffff8000ffffbc38,ffffff0068dfbbc8) at vn_closefile+0xfc fdrop(ffffff0068dfbbc8,ffff8000ffffbc38) at fdrop+0xa4 closef(ffff8000ffffbc38,ffffff006e9c8ba0) at closef+0xd5 fdfree(ffff80002105ffd0) at fdfree+0x98 exit1(ffff8000210acb70,ffff8000ffffbc38,ffff80002105ffd0) at exit1+0x22f sys_exit(ffffffff81519e33,ffff8000210aca90,ffff8000210acb70) at sys_exit+0x13 syscall(0) at syscall+0x3e4 Xsyscall(6,1,0,1,0,7f7ffffeedf0) at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffeeda0, count: -17 ddb> show registers rdi 0xffffffff81e02300 kprintf_mutex rsi 0x5 rbp 0xffff8000210ac660 rbx 0xffff8000210ac700 rdx 0x3fd rcx 0 rax 0 r8 0xffff8000210ac630 r9 0x8080808080808080 r10 0 r11 0xffffffff81413330 x86_bus_space_io_read_1 r12 0x3000000008 r13 0xffff8000210ac670 r14 0x100 r15 0xffffffff81c15014 substchar+0x4a46 rip 0xffffffff8159c7ca db_enter+0xa cs 0x8 rflags 0x246 rsp 0xffff8000210ac660 ss 0x10 db_enter+0xa: popq %rbp ddb> show proc PROC (syz-executor1) pid=389778 stat=onproc flags process=1008 proc=2000 pri=50, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffffae28,0xffff8000ffffa730 process=0xffff80002105ffd0 user=0xffff8000210a7000, vmspace=0xffffff007f12b840 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 29203 382738 44445 0 2 0 syz-executor0 29203 191619 44445 0 3 0x4000080 fsleep syz-executor0 81285 456247 1 0 3 0x82 nanosleep getty 30432 51553 0 0 3 0x14200 bored sosplice 22599 228357 54231 0 3 0x82 nanosleep syz-executor1 44445 110244 54231 0 3 0x82 nanosleep syz-executor0 54231 473146 75390 0 3 0x82 thrsleep syz-fuzzer 54231 28002 75390 0 3 0x4000082 thrsleep syz-fuzzer 54231 41619 75390 0 3 0x4000082 thrsleep syz-fuzzer 54231 444920 75390 0 3 0x4000082 kqread syz-fuzzer 54231 1041 75390 0 3 0x4000082 thrsleep syz-fuzzer 54231 467225 75390 0 3 0x4000082 thrsleep syz-fuzzer 54231 339361 75390 0 3 0x4000082 thrsleep syz-fuzzer 75390 53318 82170 0 3 0x10008a pause ksh 82170 219399 4395 0 3 0x92 select sshd 4395 125594 1 0 3 0x80 select sshd 14324 407611 6175 73 3 0x100090 kqread syslogd 6175 73118 1 0 3 0x100082 netio syslogd 63021 458576 1 77 3 0x100090 poll dhclient 96002 22164 1 0 3 0x80 poll dhclient 50144 301906 0 0 2 0x14200 zerothread 10285 430156 0 0 3 0x14200 aiodoned aiodoned 67135 152078 0 0 3 0x14200 syncer update 45528 263611 0 0 3 0x14200 cleaner cleaner 45967 29411 0 0 3 0x14200 reaper reaper 78780 408881 0 0 3 0x14200 pgdaemon pagedaemon 33991 414751 0 0 3 0x14200 bored crynlk 16866 337506 0 0 3 0x14200 bored crypto 48829 32783 0 0 3 0x40014200 acpi0 acpi0 35368 207412 0 0 3 0x14200 bored softnet 72532 291829 0 0 3 0x14200 bored systqmp 47358 224780 0 0 3 0x14200 bored systq 83124 317472 0 0 3 0x40014200 bored softclock 72788 358049 0 0 3 0x40014200 idle0 1 82580 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper