Warning: Permanently added '10.128.0.137' (ECDSA) to the list of known hosts. 2019/08/20 01:38:28 parsed 1 programs 2019/08/20 01:38:29 executed programs: 0 vn_write: 0xfffffd8067ff7d70, type VBAD, use 1, write 1, hold 0, 2019/08/20 01:38:34 executed programs: 356 vn_write: 0xfffffd80684e1678, type VBAD, use 1, write 1, hold 0, 2019/08/20 01:38:39 executed programs: 747 2019/08/20 01:38:44 executed programs: 1096 2019/08/20 01:38:49 executed programs: 1485 2019/08/20 01:38:54 executed programs: 1870 2019/08/20 01:38:59 executed programs: 2273 2019/08/20 01:39:04 executed programs: 2625 vn_write: 0xfffffd8068522880, type VBAD, use 1, write 1, hold 0, vn_write: 0xfffffd8068522948, type VBAD, use 1, write 1, hold 0, 2019/08/20 01:39:09 executed programs: 3018 vn_write: 0xfffffd807ddd63d0, type VBAD, use 1, write 1, hold 0, 2019/08/20 01:39:14 executed programs: 3371 2019/08/20 01:39:19 executed programs: 3722 vn_write: 0xfffffd80685b8410, type VBAD, use 1, write 1, hold 0, 2019/08/20 01:39:24 executed programs: 4054 vn_write: 0xfffffd806847a248, type VBAD, use 1, write 1, hold 0, 2019/08/20 01:39:29 executed programs: 4398 2019/08/20 01:39:34 executed programs: 4729 2019/08/20 01:39:39 executed programs: 5090 vn_write: 0xfffffd8068522948, type VBAD, use 1, write 1, hold 0, 2019/08/20 01:39:44 executed programs: 5424 2019/08/20 01:39:49 executed programs: 5760 vn_write: 0xfffffd806847a0b8, type VBAD, use 1, write 1, hold 0, 2019/08/20 01:39:54 executed programs: 6136 vn_write: 0xfffffd80685b8410, type VBAD, use 1, write 1, hold 0, 2019/08/20 01:39:59 executed programs: 6488 vn_write: 0xfffffd80685b8410, type VBAD, use 1, write 1, hold 0, vn_write: 0xfffffd806847a180, type VBAD, use 1, write 1, hold 0, 2019/08/20 01:40:04 executed programs: 6794 vn_write: 0xfffffd806847a4a0, type VBAD, use 1, write 1, hold 0, panic: vn_write: v_davtna _wcrhiatne: ge0dx!ff ffStopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *204287 15810 0 0 0x4000000 0 syz-executor0 283288 34991 73 0x100010 0 1K syslogd db_enter() at db_enter+0x18 panic() at panic+0x15c vn_write(fffffd8068b5e4d8,ffff800020b97248,0) at vn_write+0x394 dofilewritev(ffff800020a89b48,9,ffff800020b97248,0,ffff800020b97350) at dofilewritev+0x1ac sys_write(ffff800020a89b48,ffff800020b972e8,ffff800020b97350) at sys_write+0x83 syscall(ffff800020b973c0) at syscall+0x552 Xsyscall(6,0,c,0,3,351448e30d8) at Xsyscall+0x128 end of kernel end trace frame: 0x353c0f72ae0, count: 8 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 vn_write: v_data changed! ddb{0}> trace db_enter() at db_enter+0x18 panic() at panic+0x15c vn_write(fffffd8068b5e4d8,ffff800020b97248,0) at vn_write+0x394 dofilewritev(ffff800020a89b48,9,ffff800020b97248,0,ffff800020b97350) at dofilewritev+0x1ac sys_write(ffff800020a89b48,ffff800020b972e8,ffff800020b97350) at sys_write+0x83 syscall(ffff800020b973c0) at syscall+0x552 Xsyscall(6,0,c,0,3,351448e30d8) at Xsyscall+0x128 end of kernel end trace frame: 0x353c0f72ae0, count: -7 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800020b97060 rbx 0xffff800020b97110 rdx 0xffff800020a89b48 rcx 0 rax 0 r8 0xffffffff816816b3 kprintf+0x173 r9 0x1 r10 0x25 r11 0xd99baf9f9c640734 r12 0x3000000008 r13 0xffff800020b97070 r14 0x100 r15 0x1 rip 0xffffffff82160de8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020b97050 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor0) pid=204287 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff800020a88a00,0xffff800020a88c88 process=0xffff800020adc380 user=0xffff800020b92000, vmspace=0xfffffd806e7ad738 estcpu=27, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 78109 227219 39454 0 2 0 syz-executor1 78109 379448 39454 0 3 0x4000080 fsleep syz-executor1 78109 159081 39454 0 2 0x4000000 syz-executor1 15810 457164 38660 0 2 0 syz-executor0 15810 182773 38660 0 3 0x4000080 fsleep syz-executor0 *15810 204287 38660 0 7 0x4000000 syz-executor0 15810 178362 38660 0 2 0x4000000 syz-executor0 39454 222162 48406 0 3 0x82 nanosleep syz-executor1 38660 434506 48406 0 3 0x82 nanosleep syz-executor0 48406 359134 50409 0 3 0x82 thrsleep syz-execprog 48406 178400 50409 0 3 0x4000082 thrsleep syz-execprog 48406 468569 50409 0 3 0x4000082 thrsleep syz-execprog 48406 157351 50409 0 3 0x4000082 thrsleep syz-execprog 48406 32238 50409 0 3 0x4000082 thrsleep syz-execprog 48406 257146 50409 0 3 0x4000082 thrsleep syz-execprog 48406 111383 50409 0 3 0x4000082 thrsleep syz-execprog 48406 215343 50409 0 3 0x4000082 thrsleep syz-execprog 48406 196297 50409 0 3 0x4000082 kqread syz-execprog 48406 493538 50409 0 3 0x4000082 thrsleep syz-execprog 50409 495674 12228 0 3 0x10008a pause ksh 12228 175204 87935 0 3 0x92 select sshd 19433 44517 1 0 3 0x100083 ttyin getty 87935 519668 1 0 3 0x80 select sshd 79565 336462 16418 74 3 0x100092 bpf pflogd 16418 102330 1 0 3 0x80 netio pflogd 34991 283288 22364 73 7 0x100010 syslogd 22364 319060 1 0 3 0x100082 netio syslogd 11086 188474 1 77 3 0x100090 poll dhclient 74228 435567 1 0 3 0x80 poll dhclient 90222 347576 0 0 2 0x14200 zerothread 29902 131704 0 0 3 0x14200 aiodoned aiodoned 19849 207893 0 0 3 0x14200 syncer update 25786 170208 0 0 3 0x14200 cleaner cleaner 487 77500 0 0 3 0x14200 reaper reaper 52199 425340 0 0 3 0x14200 pgdaemon pagedaemon 96735 335275 0 0 3 0x14200 bored crynlk 78608 212358 0 0 3 0x14200 bored crypto 34567 132891 0 0 3 0x40014200 acpi0 acpi0 51581 78173 0 0 3 0x40014200 idle1 32728 207327 0 0 3 0x14200 bored softnet 30688 18991 0 0 3 0x14200 bored systqmp 33488 38492 0 0 3 0x14200 bored systq 64273 261849 0 0 2 0x40014200 softclock 91486 447907 0 0 3 0x40014200 idle0 26680 285370 0 0 3 0x14200 bored smr 1 230829 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 15810 (syz-executor0) thread 0xffff800020a89b48 (204287) exclusive rrwlock inode r = 0 (0xfffffd80697d20a8) #0 witness_lock+0x52e #1 rw_enter+0x46d #2 rrw_enter+0x4f #3 VOP_LOCK+0x4b #4 vn_write+0x179 #5 dofilewritev+0x1ac #6 sys_write+0x83 #7 syscall+0x552 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82627bd0) #0 witness_lock+0x52e #1 __mp_acquire_count+0x51 #2 mi_switch+0x38f #3 sleep_finish+0x113 #4 rw_enter+0x366 #5 rrw_enter+0x4f #6 VOP_LOCK+0x4b #7 vn_write+0x179 #8 dofilewritev+0x1ac #9 sys_write+0x83 #10 syscall+0x552 #11 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9469 6388K 6388K 78643K 10556 0 0 pcb 13 8K 8K 78643K 13 0 0 rtable 97 3K 3K 78643K 177 0 0 ifaddr 38 10K 10K 78643K 39 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1469 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1198 75K 75K 78643K 16561 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 1K 78643K 2 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 2 0K 0K 78643K 2 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 5 16K 20K 78643K 6989 0 0 proc 52 50K 71K 78643K 374 0 0 subproc 0 0K 1K 78643K 17 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 in_multi 33 2K 2K 78643K 33 0 0 ether_multi 1 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 60 265K 265K 78643K 60 0 0 exec 0 0K 1K 78643K 212 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 86 20K 20K 78643K 21897 0 0 UVM aobj 2 2K 2K 78643K 2 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 NDP 6 0K 0K 78643K 10 0 0 temp 55 3538K 3602K 78643K 17257 0 0 SYN cache 2 16K 16K 78643K 2 0 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 15 0 13 1 0 1 1 0 8 0 rtentry 112 41 0 1 2 0 2 2 0 8 0 unpcb 120 41 0 31 1 0 1 1 0 8 0 syncache 264 8 0 8 1 1 0 1 0 8 0 tcpcb 544 14 0 11 1 0 1 1 0 8 0 inpcb 280 39 0 33 1 0 1 1 0 8 0 nd6 48 4 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 16 0 15 1 0 1 1 0 8 0 pfstkey 112 16 0 15 1 0 1 1 0 8 0 pfstate 328 16 0 15 2 1 1 2 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 256 185 0 0 12 0 12 12 0 8 0 art_table 32 186 0 0 2 0 2 2 0 8 0 art_node 16 40 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 23782 0 22353 47 0 47 47 0 8 0 ffsino 272 23782 0 22353 96 0 96 96 0 8 0 nchpl 144 31012 0 29373 61 0 61 61 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 200 5926 0 0 312 0 312 312 0 8 0 namei 1024 180399 0 180399 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 60299 0 60299 8 7 1 7 0 8 1 plimitpl 152 20 0 12 1 0 1 1 0 8 0 sigapl 432 7209 0 7193 2 0 2 2 0 8 0 futexpl 56 56087 0 56085 2 1 1 1 0 8 0 knotepl 112 95 0 78 1 0 1 1 0 8 0 kqueuepl 104 3 0 1 1 0 1 1 0 8 0 pipepl 112 218 0 199 1 0 1 1 0 8 0 fdescpl 488 7210 0 7193 3 0 3 3 0 8 0 filepl 152 119284 0 119209 5 1 4 4 0 8 1 lockfpl 104 6 0 6 1 1 0 1 0 8 0 lockfspl 48 3 0 3 1 1 0 1 0 8 0 sessionpl 112 27 0 16 1 0 1 1 0 8 0 pgrppl 48 27 0 16 1 0 1 1 0 8 0 ucredpl 96 109123 0 109114 1 0 1 1 0 8 0 zombiepl 144 7193 0 7193 1 0 1 1 0 8 1 processpl 896 7225 0 7193 4 0 4 4 0 8 0 procpl 632 21048 0 21002 5 1 4 4 0 8 0 sockpl 384 95 0 77 3 1 2 3 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 89 0 0 11 0 11 11 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 109 0 0 7 0 7 7 0 8 0 bufpl 256 12980 0 5960 439 0 439 439 0 8 0 anonpl 16 412001 0 409320 18 7 11 13 0 124 0 amapchunkpl 152 35568 0 35474 8 4 4 5 0 158 0 amappl16 192 29051 0 28948 7 1 6 6 0 8 0 amappl14 176 78 0 69 1 0 1 1 0 8 0 amappl13 168 3489 0 3486 2 1 1 1 0 8 0 amappl12 160 18 0 17 2 1 1 1 0 8 0 amappl11 152 59 0 44 1 0 1 1 0 8 0 amappl10 144 3586 0 3582 1 0 1 1 0 8 0 amappl9 136 807 0 803 1 0 1 1 0 8 0 amappl8 128 150 0 139 1 0 1 1 0 8 0 amappl7 120 3531 0 3528 1 0 1 1 0 8 0 amappl6 112 84 0 78 1 0 1 1 0 8 0 amappl5 104 169 0 156 1 0 1 1 0 8 0 amappl4 96 11041 0 11010 3 2 1 2 0 8 0 amappl3 88 231 0 221 1 0 1 1 0 8 0 amappl2 80 56843 0 56766 4 2 2 3 0 8 0 amappl1 72 172088 0 171615 31 21 10 20 0 8 0 amappl 80 21320 0 21282 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 dma64 64 259 0 259 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 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 7210 0 7193 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 7210 0 7193 1 0 1 1 0 8 0 vmmpekpl 168 51682 0 51657 2 0 2 2 0 8 0 vmmpepl 168 620875 0 619666 88 35 53 79 0 357 0 vmsppl 368 7209 0 7193 2 0 2 2 0 8 0 pdppl 4096 14427 0 14386 7 1 6 6 0 8 0 pvpl 32 1167133 0 1161761 112 68 44 107 0 265 0 pmappl 232 7209 0 7193 2 1 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 585 0 4 17 0 17 17 0 8 0