O:Vm>7jyu18 'J%Q Y~B"U͜8Υ5ѷۅ.((~waVR?@ Jg6E$OQ_EE7(\-~7,ΫJF /1-S!s> m 7lJz~JV?U7[~11j @p''uvm_fault(0xffffffff839a60e8, 0x1, 0, 1) -> e kernel: page fault trap, code=0 Stopped at mld6_fasttimo+0xd4: movzbl 0x1(%rax),%r13d TID PID UID PRFLAGS PFLAGS CPU COMMAND * 29658 56698 0 0x14000 0x40000200 0 softclock mld6_fasttimo() at mld6_fasttimo+0xd4 mld6_checktimer sys/netinet6/mld6.c:425 [inline] mld6_fasttimo() at mld6_fasttimo+0xd4 sys/netinet6/mld6.c:397 pffasttimo(ffffffff83abd2a0) at pffasttimo+0x184 sys/kern/uipc_domain.c:-1 timeout_run(ffffffff83960f40,ffffffff83abd2a0) at timeout_run+0xf3 sys/kern/kern_timeout.c:-1 softclock_thread(ffff80002a6ed758) at softclock_thread+0x12b softclock_thread_run sys/kern/kern_timeout.c:842 [inline] softclock_thread(ffff80002a6ed758) at softclock_thread+0x12b sys/kern/kern_timeout.c:866 end trace frame: 0x0, count: 11 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: uvm_fault(0xffffffff839a60e8, 0x1, 0, 1) -> e ddb> show kasan No such command ddb> trace mld6_fasttimo() at mld6_fasttimo+0xd4 mld6_checktimer sys/netinet6/mld6.c:425 [inline] mld6_fasttimo() at mld6_fasttimo+0xd4 sys/netinet6/mld6.c:397 pffasttimo(ffffffff83abd2a0) at pffasttimo+0x184 sys/kern/uipc_domain.c:-1 timeout_run(ffffffff83960f40,ffffffff83abd2a0) at timeout_run+0xf3 sys/kern/kern_timeout.c:-1 softclock_thread(ffff80002a6ed758) at softclock_thread+0x12b softclock_thread_run sys/kern/kern_timeout.c:842 [inline] softclock_thread(ffff80002a6ed758) at softclock_thread+0x12b sys/kern/kern_timeout.c:866 end trace frame: 0x0, count: -4 ddb> show registers rdi 0x18 rsi 0x2 rbp 0xffff80002a6f9ce0 rbx 0xffff800000c48000 rdx 0 rcx 0xffffffff83a9d960 timeout_proc rax 0 r8 0x7f7fffffc000 r9 0 r10 0x5e83ea568a8b20a9 r11 0xa3949ed0e2f83fc0 r12 0 r13 0x2 r14 0xffff800000c59c80 r15 0xffff800000c48060 rip 0xffffffff8167b7e4 mld6_fasttimo+0xd4 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a6f9c90 ss 0x10 mld6_fasttimo+0xd4: movzbl 0x1(%rax),%r13d ddb> show proc PROC (softclock) tid=29658 pid=56698 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=0, usrpri=51, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a6ed9f0,0xffff80002a6ed4d0 process=0xffff800045fff180 user=0xffff80002a6f4000, vmspace=0xffffffff839a60e8 estcpu=1, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 16629 417000 31489 0 2 0 0 syz-executor 16629 204534 31489 0 2 0 0x4000000 syz-executor 24985 356934 31618 0 2 0 0 syz-executor 24985 115133 31618 0 2 0 0x4000000 syz-executor 91170 397077 97420 0 2 0 0 syz-executor 91170 240665 97420 0 3 0 0x4000088 kqpoll syz-executor 91170 46639 97420 0 3 0 0x4000080 fsleep syz-executor 89277 143996 23201 0 2 0 0xc80 syz-executor 89277 64936 23201 0 3 0 0x4000080 kqsel syz-executor 89277 365350 23201 0 3 0 0x4000080 fsleep syz-executor 2236 177265 4773 -1 3 0x11 0x80 nanoslp syz-executor 2236 7322 4773 -1 3 0x11 0x4000080 sbwait syz-executor 2236 211274 4773 -1 3 0x11 0x4000080 fsleep syz-executor 77719 260739 39827 0 2 0 0xc80 syz-executor 77719 443278 39827 0 3 0 0x4000080 kqread syz-executor 77719 476427 39827 0 3 0 0x4000080 fsleep syz-executor 77719 27200 39827 0 3 0 0x4000080 fsleep syz-executor 61331 462474 0 0 3 0x14000 0x280 nfsidl nfsio 78382 367604 0 0 3 0x14000 0x280 nfsidl nfsio 17922 234898 0 0 3 0x14000 0x280 nfsidl nfsio 78400 118310 0 0 3 0x14000 0x280 nfsidl nfsio 31289 215451 0 0 3 0x14000 0x280 nfsidl nfsio 2092 282015 0 0 3 0x14000 0x280 nfsidl nfsio 16283 302538 0 0 3 0x14000 0x280 nfsidl nfsio 85424 122745 0 0 3 0x14000 0x280 nfsidl nfsio 89559 443896 0 0 3 0x14000 0x280 nfsidl nfsio 98856 459862 0 0 3 0x14000 0x280 nfsidl nfsio 98536 410405 0 0 3 0x14000 0x280 nfsidl nfsio 43673 47678 0 0 3 0x14000 0x280 nfsidl nfsio 27524 251830 0 0 3 0x14000 0x280 nfsidl nfsio 2180 180395 0 0 3 0x14000 0x280 nfsidl nfsio 79657 206479 0 0 3 0x14000 0x280 nfsidl nfsio 69624 294183 0 0 3 0x14000 0x280 nfsidl nfsio 59182 401194 0 0 3 0x14000 0x280 nfsidl nfsio 70982 433124 0 0 3 0x14000 0x280 nfsidl nfsio 2660 146426 0 0 3 0x14000 0x280 nfsidl nfsio 8040 483546 0 0 3 0x14000 0x280 nfsidl nfsio 4749 335811 1 0 3 0x100003 0x80 ttyin getty 39827 213518 34810 0 2 0x2 0 syz-executor 4773 372402 34810 0 2 0x2 0xc80 syz-executor 48060 491361 34810 0 2 0x2 0xc80 syz-executor 31489 271678 34810 0 2 0x2 0xc80 syz-executor 97420 394842 34810 0 3 0x2 0x80 nanoslp syz-executor 27684 111565 34810 0 3 0x2 0x80 wait syz-executor 23201 402147 34810 0 3 0x2 0x80 nanoslp syz-executor 31618 67797 34810 0 3 0x2 0x80 nanoslp syz-executor 34810 265094 1 0 3 0x2 0x80 kqread syz-executor 15783 196906 1 73 3 0x1100010 0x80 kqread syslogd 11050 350601 0 0 3 0x14000 0x200 bored smr 57214 281642 0 0 2 0x14000 0x200 zerothread 29154 133058 0 0 3 0x14000 0x200 aiodoned aiodoned 26128 428032 0 0 3 0x14000 0x200 syncer update 16734 494315 0 0 3 0x14000 0x200 cleaner cleaner 22616 276283 0 0 3 0x14000 0x200 reaper reaper 56508 10111 0 0 3 0x14000 0x200 pgdaemon pagedaemon 6572 520851 0 0 3 0x14000 0x200 bored viomb 54371 160170 0 0 3 0x14000 0x40000200 acpi0 acpi0 92190 351945 0 0 3 0x14000 0x200 bored softnet0 58900 172059 0 0 3 0x14000 0x200 bored systqmp 45498 59967 0 0 3 0x14000 0x200 bored systq *56698 29658 0 0 7 0x14000 0x40000200 softclock 87318 4929 0 0 3 0x14000 0x40000200 idle0 1 44900 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11037 12133K 13813K 166960K 12924 0 pcb 17 16K 22K 166960K 299 0 rtable 258 9K 10K 166960K 408 0 pf 31 13K 19K 166960K 61 0 ifaddr 44 8K 8K 166960K 55 0 ifgroup 50 2K 2K 166960K 65 0 sysctl 1 1K 9K 166960K 6 0 counters 33 17K 18K 166960K 44 0 ioctlops 0 0K 4K 166960K 72 0 iov 0 0K 16K 166960K 9 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1453 91K 92K 166960K 1790 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 79 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 18 65K 93K 166960K 401 0 proc 20 25K 83K 166960K 546 0 subproc 72 4K 4K 166960K 73 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 33 0 in_multi 107 7K 7K 166960K 115 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 14 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 383 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 162 83K 156K 166960K 5159 0 UVM aobj 77 3K 3K 166960K 78 0 pinsyscall 22 44K 98K 166960K 1505 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 10 0 NDP 11 0K 2K 166960K 33 0 temp 42 9111K 9127K 166960K 22610 0 kqueue 6 10K 27K 166960K 88 0 SYN cache 2 16K 24K 166960K 3 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 48 0 48 1 0 1 1 0 8 1 rtentry 136 120 0 6 4 0 4 4 0 8 0 unpcb 144 142 0 134 1 0 1 1 0 8 0 syncache 336 11 0 11 2 1 1 1 0 8 1 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 736 82 0 79 2 0 2 2 0 8 1 arp 96 18 0 0 1 0 1 1 0 8 0 inpcb 328 460 0 454 6 0 6 6 0 8 4 nd6 112 28 0 2 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 10 0 10 1 0 1 1 0 8 1 pppxif 1416 1 0 1 1 1 0 1 0 8 0 pfstscr 40 2 0 0 1 0 1 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 0 1 0 1 1 0 8 0 pfrktable 1344 6 0 5 1 0 1 1 0 8 0 pfsrclim 320 1 0 1 1 0 1 1 0 8 1 pfanchor 1288 1 0 1 1 0 1 1 0 8 1 pftag 88 4 0 2 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 2 0 0 1 0 1 1 0 8 0 pfstate 384 1 0 0 1 0 1 1 0 8 0 pfrule 1360 5 0 4 1 0 1 1 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 471 0 16 30 0 30 30 0 8 0 art_table 40 472 0 16 5 0 5 5 0 8 0 art_node 32 120 0 17 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 72 76 0 66 1 0 1 1 0 8 0 shmpl 112 75 0 1 3 0 3 3 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2063 0 603 92 0 92 92 0 8 0 ffsino 256 2063 0 603 92 0 92 92 0 8 0 nchpl 144 2620 0 921 64 0 64 64 0 8 0 rtmask 32 3 0 3 1 0 1 1 0 8 1 vnodes 216 2474 0 0 138 0 138 138 0 8 0 namei 1024 8050 0 8050 3 2 1 1 0 8 1 pfiaddrpl 120 1 0 1 1 0 1 1 0 8 1 kstatmem 264 35 0 12 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 9930 0 9930 8 7 1 8 1 8 1 plimitpl 152 56 0 45 1 0 1 1 0 8 0 sigapl 424 717 0 663 8 1 7 7 0 8 0 knotepl 120 13464 0 13191 24 14 10 17 0 8 1 kqueuepl 184 158 0 150 4 3 1 4 0 8 0 pipepl 304 202 0 174 3 0 3 3 0 8 0 fdescpl 448 684 0 663 5 1 4 5 0 8 0 filepl 120 3625 0 3431 14 1 13 13 0 8 5 lockfpl 104 359 0 359 2 0 2 2 0 8 2 lockfspl 48 106 0 106 1 0 1 1 0 8 1 sessionpl 144 36 0 30 1 0 1 1 0 8 0 pgrppl 48 50 0 36 1 0 1 1 0 8 0 ucredpl 104 347 0 340 1 0 1 1 0 8 0 zombiepl 144 665 0 663 2 1 1 1 0 8 0 processpl 1152 717 0 663 4 0 4 4 0 8 0 procpl 664 1127 0 1062 7 1 6 6 0 8 0 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 552 732 0 717 6 0 6 6 0 8 3 mcl64k 65536 25 0 24 3 2 1 1 0 8 0 mcl16k 16384 4 0 4 2 1 1 1 0 8 1 mcl12k 12288 1 0 1 1 1 0 1 0 8 0 mcl8k 8192 12 0 12 2 1 1 1 0 8 1 mcl4k 4096 2903 0 2853 15 7 8 14 0 8 1 mcl2k 2048 294 0 294 1 0 1 1 0 8 1 mextrefs 64 154 0 154 1 0 1 1 0 8 1 mtagpl 96 4 0 4 1 1 0 1 0 8 0 mbufpl 256 7061 0 6882 27 8 19 27 0 8 7 bufpl 272 3464 0 105 224 0 224 224 0 8 0 anonpl 24 135091 0 133058 64 12 52 52 0 187 29 amapchunkpl 152 17372 0 16943 35 8 27 28 0 158 7 amappl16 200 2164 0 2141 20 3 17 17 0 8 14 amappl15 192 9 0 9 2 1 1 1 0 8 1 amappl14 184 411 0 411 1 0 1 1 0 8 1 amappl13 176 119 0 117 1 0 1 1 0 8 0 amappl12 168 935 0 915 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 1 0 1 0 8 0 amappl10 152 78 0 75 1 0 1 1 0 8 0 amappl9 144 276 0 276 1 1 0 1 0 8 0 amappl8 136 93 0 93 1 0 1 1 0 8 1 amappl7 128 141 0 137 1 0 1 1 0 8 0 amappl6 120 148 0 148 1 0 1 1 0 8 1 amappl5 112 90 0 88 1 0 1 1 0 8 0 amappl4 104 262 0 256 1 0 1 1 0 8 0 amappl3 96 3151 0 3057 3 0 3 3 0 8 0 amappl2 88 523 0 508 2 0 2 2 0 8 0 amappl1 80 11272 0 11112 14 2 12 14 0 8 1 amappl 88 4424 0 4282 4 0 4 4 0 92 0 uvmvnodes 80 109 0 0 3 0 3 3 0 8 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 128 254 0 254 2 2 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 77 0 1 2 0 2 2 0 8 0 uaddrrnd 24 684 0 663 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 684 0 663 1 0 1 1 0 8 0 vmmpekpl 168 7460 0 7425 2 0 2 2 0 8 0 vmmpepl 168 51433 0 50422 81 1 80 81 0 357 31 vmsppl 368 683 0 663 4 1 3 4 0 8 0 rwobjpl 40 17251 0 16672 11 0 11 11 0 8 0 pdppl 4096 1374 0 1326 98 50 48 80 0 8 0 pvpl 32 339891 0 334049 124 21 103 104 0 265 39 pmappl 216 683 0 663 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 610 0 76 16 0 16 16 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace mld6_fasttimo() at mld6_fasttimo+0xd4 mld6_checktimer sys/netinet6/mld6.c:425 [inline] mld6_fasttimo() at mld6_fasttimo+0xd4 sys/netinet6/mld6.c:397 pffasttimo(ffffffff83abd2a0) at pffasttimo+0x184 sys/kern/uipc_domain.c:-1 timeout_run(ffffffff83960f40,ffffffff83abd2a0) at timeout_run+0xf3 sys/kern/kern_timeout.c:-1 softclock_thread(ffff80002a6ed758) at softclock_thread+0x12b softclock_thread_run sys/kern/kern_timeout.c:842 [inline] softclock_thread(ffff80002a6ed758) at softclock_thread+0x12b sys/kern/kern_timeout.c:866 end trace frame: 0x0, count: -4 ddb> machine ddbcpu 1 No such command ddb>