Warning: Permanently added '10.128.0.254' (ECDSA) to the list of known hosts. 2020/07/17 22:36:24 parsed 1 programs 2020/07/17 22:36:30 executed programs: 0 login: panic: pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd806d7dbc00+16 0x0!=0x6eb9603d2b04635a Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *305690 95726 0 0x14000 0x40000200 0K softclock db_enter() at db_enter+0x18 panic(ffffffff82404441) at panic+0x15c pool_cache_get(ffffffff82907dc0) at pool_cache_get+0x323 pool_get(ffffffff82907dc0,2) at pool_get+0x91 m_copyback(fffffd807eadc800,80,20,ffff800000ac5de0,2) at m_copyback+0x4d7 rtm_msg1(14,ffff800020d97228) at rtm_msg1+0x1b2 rtm_addr(14,ffff800000aa2e00) at rtm_addr+0x9b nd6_dad_timer(ffff800000aa2e00) at nd6_dad_timer+0x2f9 timeout_run(ffff800000af20b0) at timeout_run+0xc4 softclock_thread(ffff800020d895f0) at softclock_thread+0x16a end trace frame: 0x0, count: 5 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd806d7dbc00+16 0x0!=0x6eb9603d2b04635a ddb{0}> trace db_enter() at db_enter+0x18 panic(ffffffff82404441) at panic+0x15c pool_cache_get(ffffffff82907dc0) at pool_cache_get+0x323 pool_get(ffffffff82907dc0,2) at pool_get+0x91 m_copyback(fffffd807eadc800,80,20,ffff800000ac5de0,2) at m_copyback+0x4d7 rtm_msg1(14,ffff800020d97228) at rtm_msg1+0x1b2 rtm_addr(14,ffff800000aa2e00) at rtm_addr+0x9b nd6_dad_timer(ffff800000aa2e00) at nd6_dad_timer+0x2f9 timeout_run(ffff800000af20b0) at timeout_run+0xc4 softclock_thread(ffff800020d895f0) at softclock_thread+0x16a end trace frame: 0x0, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800020d96f00 rbx 0xffff800020d96fb0 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff81c18a0f kprintf+0x16f r9 0x1 r10 0x2 r11 0x78654ec660d084b4 r12 0x3000000008 r13 0xffff800020d96f10 r14 0x100 r15 0x1 rip 0xffffffff81a6ce18 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020d96ef0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (softclock) pid=305690 stat=onproc flags process=14000 proc=40000200 pri=0, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800020d89ad0,0xffff800020d88eb0 process=0xffff800020d8aba0 user=0xffff800020d92000, vmspace=0xffffffff828b7d00 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 89941 94237 78230 0 2 0 syz-executor.0 78230 79275 92269 0 3 0x82 nanosleep syz-executor.0 92269 190939 15880 0 3 0x82 thrsleep syz-execprog 92269 188743 15880 0 3 0x4000082 nanosleep syz-execprog 92269 469073 15880 0 3 0x4000082 thrsleep syz-execprog 92269 17087 15880 0 3 0x4000082 thrsleep syz-execprog 92269 296657 15880 0 3 0x4000082 kqread syz-execprog 92269 151802 15880 0 3 0x4000082 thrsleep syz-execprog 92269 518382 15880 0 3 0x4000082 thrsleep syz-execprog 92269 54202 15880 0 3 0x4000082 thrsleep syz-execprog 92269 72905 15880 0 3 0x4000082 nanosleep syz-execprog 15880 403473 76372 0 3 0x10008a pause ksh 76372 347294 53066 0 3 0x92 select sshd 11296 379902 1 0 3 0x100083 ttyin getty 53066 500953 1 0 3 0x80 select sshd 243 356097 37172 74 3 0x100092 bpf pflogd 37172 33278 1 0 3 0x80 netio pflogd 60569 289743 2040 73 3 0x100090 kqread syslogd 2040 411209 1 0 3 0x100082 netio syslogd 3529 519847 1 77 3 0x100090 poll dhclient 23441 501588 1 0 3 0x80 poll dhclient 81218 328850 0 0 3 0x14200 bored smr 37673 277375 0 0 3 0x14200 pgzero zerothread 69823 411657 0 0 3 0x14200 aiodoned aiodoned 4754 361418 0 0 3 0x14200 syncer update 68256 503313 0 0 3 0x14200 cleaner cleaner 77675 395800 0 0 3 0x14200 reaper reaper 35545 453370 0 0 3 0x14200 pgdaemon pagedaemon 65246 157303 0 0 3 0x14200 bored crynlk 2924 154982 0 0 3 0x14200 bored crypto 42974 234159 0 0 3 0x40014200 acpi0 acpi0 49045 129686 0 0 7 0x40014200 idle1 26040 13311 0 0 3 0x14200 bored softnet 22412 521958 0 0 3 0x14200 bored systqmp 72868 522169 0 0 3 0x14200 bored systq *95726 305690 0 0 7 0x40014200 softclock 51765 170194 0 0 3 0x40014200 idle0 1 152466 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 95726 (softclock) thread 0xffff800020d895f0 (305690) exclusive rwlock netlock r = 0 (0xffffffff82728958) #0 witness_lock+0x4c7 #1 nd6_dad_timer+0x34 #2 timeout_run+0xc4 #3 softclock_thread+0x16a #4 proc_trampoline+0x1c shared rwlock timeout r = 0 (0xffffffff82711f10) #0 witness_lock+0x4c7 #1 timeout_run+0xb9 #2 softclock_thread+0x16a #3 proc_trampoline+0x1c exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828eb278) #0 witness_lock+0x4c7 #1 __mp_acquire_count+0x51 #2 mi_switch+0x392 #3 sleep_finish+0x113 #4 softclock_thread+0x103 #5 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9467 6396K 6396K 78643K 10560 0 pcb 13 8K 8K 78643K 13 0 rtable 83 2K 2K 78643K 163 0 ifaddr 37 9K 9K 78643K 81 0 counters 41 33K 33K 78643K 41 0 ioctlops 0 0K 4K 78643K 1468 0 mount 1 1K 1K 78643K 1 0 vnodes 1183 74K 75K 78643K 1188 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 3 8K 12K 78643K 61 0 proc 59 63K 83K 78643K 398 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 22 1K 1K 78643K 22 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 19 95K 95K 78643K 19 0 exec 0 0K 1K 78643K 197 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 75 12K 12K 78643K 990 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 7 0K 0K 78643K 7 0 temp 29 3853K 3917K 78643K 1961 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 4 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 17 0 15 1 0 1 1 0 8 0 rtentry 112 34 0 1 1 0 1 1 0 8 0 unpcb 120 29 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 2 1 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 296 76 0 70 1 0 1 1 0 8 0 nd6 48 3 0 0 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 11 0 2 1 0 1 1 0 8 0 pfstkey 112 11 0 2 1 0 1 1 0 8 0 pfstate 328 11 0 2 1 0 1 1 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 144 0 0 9 0 9 9 0 8 0 art_table 32 145 0 0 2 0 2 2 0 8 0 art_node 16 33 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1467 0 65 88 0 88 88 0 8 0 ffsino 272 1467 0 65 94 0 94 94 0 8 0 nchpl 144 1729 0 125 60 0 60 60 0 8 0 uvmvnodes 72 1477 0 0 27 0 27 27 0 8 0 vnodes 208 1477 0 0 78 0 78 78 0 8 0 namei 1024 4402 0 4402 2 1 1 1 0 8 1 percpumem 16 31 0 0 1 0 1 1 0 8 0 scxspl 192 4906 0 4906 9 6 3 7 0 8 3 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 424 284 0 254 4 0 4 4 0 8 0 knotepl 112 47 0 36 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipepl 304 77 0 70 2 1 1 1 0 8 0 fdescpl 496 269 0 254 3 0 3 3 0 8 0 filepl 152 1201 0 1143 3 0 3 3 0 8 0 lockfpl 104 5 0 4 1 0 1 1 0 8 0 lockfspl 48 3 0 2 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 62 0 53 1 0 1 1 0 8 0 zombiepl 144 254 0 254 2 1 1 1 0 8 1 processpl 992 284 0 254 5 0 5 5 0 8 1 procpl 624 292 0 254 3 0 3 3 0 8 0 sockpl 400 122 0 104 2 0 2 2 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 56 0 0 7 0 7 7 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 91 0 0 5 0 5 5 0 8 0 bufpl 280 3093 0 133 212 0 212 212 0 8 0 anonpl 16 23500 0 21797 14 2 12 12 0 124 4 amapchunkpl 152 901 0 834 5 0 5 5 0 158 1 amappl16 192 368 0 326 3 0 3 3 0 8 0 amappl15 184 4 0 3 2 1 1 1 0 8 0 amappl14 176 31 0 26 1 0 1 1 0 8 0 amappl13 168 22 0 20 2 1 1 1 0 8 0 amappl12 160 12 0 11 2 1 1 1 0 8 0 amappl11 152 52 0 36 1 0 1 1 0 8 0 amappl10 144 15 0 13 1 0 1 1 0 8 0 amappl9 136 235 0 233 1 0 1 1 0 8 0 amappl8 128 270 0 263 1 0 1 1 0 8 0 amappl7 120 121 0 109 1 0 1 1 0 8 0 amappl6 112 23 0 20 2 1 1 1 0 8 0 amappl5 104 168 0 153 1 0 1 1 0 8 0 amappl4 96 500 0 473 1 0 1 1 0 8 0 amappl3 88 105 0 100 1 0 1 1 0 8 0 amappl2 80 1013 0 951 3 1 2 2 0 8 0 amappl1 72 15419 0 14987 24 6 18 18 0 8 8 amappl 80 519 0 490 1 0 1 1 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 18 0 17 1 0 1 1 0 8 0 aobjpl 64 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 269 0 254 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 269 0 254 1 0 1 1 0 8 0 vmmpekpl 168 6503 0 6476 2 0 2 2 0 8 0 vmmpepl 168 34872 0 33888 89 16 73 73 0 357 30 vmsppl 368 268 0 254 2 0 2 2 0 8 0 pdppl 4096 545 0 508 6 0 6 6 0 8 1 pvpl 32 118083 0 113952 110 6 104 104 0 265 70 pmappl 232 268 0 254 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 228 0 4 7 0 7 7 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 panic(ffffffff82404441) at panic+0x15c pool_cache_get(ffffffff82907dc0) at pool_cache_get+0x323 pool_get(ffffffff82907dc0,2) at pool_get+0x91 m_copyback(fffffd807eadc800,80,20,ffff800000ac5de0,2) at m_copyback+0x4d7 rtm_msg1(14,ffff800020d97228) at rtm_msg1+0x1b2 rtm_addr(14,ffff800000aa2e00) at rtm_addr+0x9b nd6_dad_timer(ffff800000aa2e00) at nd6_dad_timer+0x2f9 timeout_run(ffff800000af20b0) at timeout_run+0xc4 softclock_thread(ffff800020d895f0) at softclock_thread+0x16a end trace frame: 0x0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d70ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x331 sched_idle(ffff800020d70ff0) at sched_idle+0x3f7 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020d70ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x331 sched_idle(ffff800020d70ff0) at sched_idle+0x3f7 end trace frame: 0x0, count: -5 ddb{1}>