Warning: Permanently added '10.128.0.231' (ECDSA) to the list of known hosts. 2020/05/17 20:56:48 parsed 1 programs 2020/05/17 20:56:53 executed programs: 0 login: panic: pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd806d75d500+16 0x0!=0x9400df7370d44f78 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *216528 12754 0 0 0 1K syz-executor.0 db_enter() at db_enter+0x18 panic(ffffffff821fcd5a) at panic+0x15c pool_cache_get(ffffffff8267b130) at pool_cache_get+0x323 pool_get(ffffffff8267b130,2) at pool_get+0x91 m_get(2,3) at m_get+0x4c rt_ifa_del(ffff800000a0dd00,800100,ffff800000a0dd40,0) at rt_ifa_del+0xa1 in6_unlink_ifa(ffff800000a0dd00,ffff8000009d6000) at in6_unlink_ifa+0x571 in6_update_ifa(ffff8000009d6000,ffff800020f5f740,0) at in6_update_ifa+0x13f7 in6_ioctl_change_ifaddr(8080691a,ffff800020f5f740,ffff8000009d6000) at in6_ioctl_change_ifaddr+0x40c ifioctl(fffffd806f6e2c80,8080691a,ffff800020f5f740,ffff800020e6dad8) at ifioctl+0xe70 soo_ioctl(fffffd806d0b7e50,8080691a,ffff800020f5f740,ffff800020e6dad8) at soo_ioctl+0x27c sys_ioctl(ffff800020e6dad8,ffff800020f5f858,ffff800020f5f8a0) at sys_ioctl+0x4a5 syscall(ffff800020f5f920) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd5ec0, count: 1 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd806d75d500+16 0x0!=0x9400df7370d44f78 ddb{1}> trace db_enter() at db_enter+0x18 panic(ffffffff821fcd5a) at panic+0x15c pool_cache_get(ffffffff8267b130) at pool_cache_get+0x323 pool_get(ffffffff8267b130,2) at pool_get+0x91 m_get(2,3) at m_get+0x4c rt_ifa_del(ffff800000a0dd00,800100,ffff800000a0dd40,0) at rt_ifa_del+0xa1 in6_unlink_ifa(ffff800000a0dd00,ffff8000009d6000) at in6_unlink_ifa+0x571 in6_update_ifa(ffff8000009d6000,ffff800020f5f740,0) at in6_update_ifa+0x13f7 in6_ioctl_change_ifaddr(8080691a,ffff800020f5f740,ffff8000009d6000) at in6_ioctl_change_ifaddr+0x40c ifioctl(fffffd806f6e2c80,8080691a,ffff800020f5f740,ffff800020e6dad8) at ifioctl+0xe70 soo_ioctl(fffffd806d0b7e50,8080691a,ffff800020f5f740,ffff800020e6dad8) at soo_ioctl+0x27c sys_ioctl(ffff800020e6dad8,ffff800020f5f858,ffff800020f5f8a0) at sys_ioctl+0x4a5 syscall(ffff800020f5f920) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd5ec0, count: -14 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020f5efb0 rbx 0xffff800020f5f060 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff81ecd59f kprintf+0x16f r9 0x1 r10 0x2 r11 0x7399e4d65648c9a r12 0x3000000008 r13 0xffff800020f5efc0 r14 0x100 r15 0x1 rip 0xffffffff8216d918 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020f5efa0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=216528 stat=onproc flags process=0 proc=0 pri=50, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020e6cc38,0xffffffff82678b88 process=0xffff800020e81720 user=0xffff800020f5a000, vmspace=0xfffffd807f000450 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *12754 216528 34413 0 7 0 syz-executor.0 34413 27647 27432 0 3 0x82 nanosleep syz-executor.0 27432 452016 51125 0 3 0x82 kqread syz-execprog 27432 391993 51125 0 3 0x4000082 nanosleep syz-execprog 27432 231348 51125 0 3 0x4000082 thrsleep syz-execprog 27432 384869 51125 0 3 0x4000082 thrsleep syz-execprog 27432 397210 51125 0 3 0x4000082 thrsleep syz-execprog 27432 441659 51125 0 3 0x4000082 thrsleep syz-execprog 27432 306915 51125 0 3 0x4000082 thrsleep syz-execprog 27432 207329 51125 0 3 0x4000082 thrsleep syz-execprog 27432 2758 51125 0 3 0x4000082 nanosleep syz-execprog 51125 301872 47358 0 3 0x10008a pause ksh 47358 395553 40666 0 3 0x92 select sshd 85880 256669 1 0 3 0x100083 ttyin getty 40666 64551 1 0 3 0x80 select sshd 50078 307707 17639 74 3 0x100092 bpf pflogd 17639 69856 1 0 3 0x80 netio pflogd 22250 363451 93981 73 3 0x100090 kqread syslogd 93981 521934 1 0 3 0x100082 netio syslogd 14623 328807 1 77 3 0x100090 poll dhclient 7783 291389 1 0 3 0x80 poll dhclient 13197 7916 0 0 3 0x14200 bored smr 62858 117565 0 0 3 0x14200 pgzero zerothread 31228 365846 0 0 3 0x14200 aiodoned aiodoned 11302 243883 0 0 3 0x14200 syncer update 79938 251304 0 0 3 0x14200 cleaner cleaner 50878 250926 0 0 3 0x14200 reaper reaper 47125 58384 0 0 3 0x14200 pgdaemon pagedaemon 41667 463308 0 0 3 0x14200 bored crynlk 24878 106948 0 0 3 0x14200 bored crypto 66812 129211 0 0 3 0x40014200 acpi0 acpi0 97493 361897 0 0 3 0x40014200 idle1 46255 390047 0 0 3 0x14200 bored softnet 26454 448671 0 0 3 0x14200 bored systqmp 23669 452184 0 0 3 0x14200 bored systq 79970 218101 0 0 3 0x40014200 bored softclock 51911 54610 0 0 7 0x40014200 idle0 1 233428 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 12754 (syz-executor.0) thread 0xffff800020e6dad8 (216528) exclusive rwlock netlock r = 0 (0xffffffff8253a638) #0 witness_lock+0x4c7 #1 in6_ioctl_change_ifaddr+0x155 #2 ifioctl+0xe70 #3 soo_ioctl+0x27c #4 sys_ioctl+0x4a5 #5 syscall+0x4a4 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8263f188) #0 witness_lock+0x4c7 #1 soo_ioctl+0x26a #2 sys_ioctl+0x4a5 #3 syscall+0x4a4 #4 Xsyscall+0x128 ddb{1}> 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 38 9K 9K 78643K 44 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 23 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 74 12K 12K 78643K 955 0 UVM aobj 2 2K 2K 78643K 2 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 3033K 3097K 78643K 1877 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> 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 280 39 0 32 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 0 1 0 1 1 0 8 0 pfstkey 112 11 0 0 1 0 1 1 0 8 0 pfstate 328 11 0 0 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 1429 0 27 88 0 88 88 0 8 0 ffsino 272 1429 0 27 94 0 94 94 0 8 0 nchpl 144 1650 0 49 60 0 60 60 0 8 0 uvmvnodes 72 1439 0 0 27 0 27 27 0 8 0 vnodes 208 1439 0 0 76 0 76 76 0 8 0 namei 1024 4224 0 4224 2 1 1 1 0 8 1 percpumem 16 31 0 0 1 0 1 1 0 8 0 scxspl 192 4041 0 4041 8 1 7 7 0 8 7 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 424 246 0 216 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 pipelkpl 48 77 0 70 2 1 1 1 0 8 0 pipepl 120 154 0 141 2 1 1 1 0 8 0 fdescpl 496 231 0 216 3 0 3 3 0 8 0 filepl 152 1119 0 1060 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 144 216 0 216 2 1 1 1 0 8 1 processpl 984 246 0 216 5 0 5 5 0 8 1 procpl 624 254 0 216 4 0 4 4 0 8 1 sockpl 400 85 0 66 2 0 2 2 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 80 0 0 10 0 10 10 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 112 0 0 7 0 7 7 0 8 0 bufpl 280 2987 0 133 204 0 204 204 0 8 0 anonpl 16 22311 0 20603 14 2 12 12 0 124 3 amapchunkpl 152 794 0 728 4 0 4 4 0 158 1 amappl16 192 161 0 125 2 0 2 2 0 8 0 amappl15 184 9 0 6 2 1 1 1 0 8 0 amappl14 176 32 0 27 1 0 1 1 0 8 0 amappl13 168 20 0 19 2 1 1 1 0 8 0 amappl12 160 18 0 13 2 1 1 1 0 8 0 amappl11 152 50 0 35 1 0 1 1 0 8 0 amappl10 144 18 0 12 1 0 1 1 0 8 0 amappl9 136 232 0 231 1 0 1 1 0 8 0 amappl8 128 274 0 266 1 0 1 1 0 8 0 amappl7 120 115 0 104 1 0 1 1 0 8 0 amappl6 112 21 0 19 3 2 1 1 0 8 0 amappl5 104 133 0 117 1 0 1 1 0 8 0 amappl4 96 492 0 467 1 0 1 1 0 8 0 amappl3 88 104 0 99 1 0 1 1 0 8 0 amappl2 80 928 0 866 3 1 2 2 0 8 0 amappl1 72 15463 0 15032 23 5 18 18 0 8 8 amappl 80 481 0 452 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 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 231 0 216 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 231 0 216 1 0 1 1 0 8 0 vmmpekpl 168 6357 0 6334 2 0 2 2 0 8 0 vmmpepl 168 32836 0 31871 83 11 72 72 0 357 29 vmsppl 368 230 0 216 2 0 2 2 0 8 0 pdppl 4096 470 0 432 6 0 6 6 0 8 0 pvpl 32 114046 0 109924 109 5 104 104 0 265 69 pmappl 232 230 0 216 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 234 0 4 7 0 7 7 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82486ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff8263ef80) at __mp_lock+0x127 softintr_dispatch(0) at softintr_dispatch+0x4e Xsoftclock() at Xsoftclock+0x1f acpicpu_idle() at acpicpu_idle+0x331 sched_idle(ffffffff82486ff0) at sched_idle+0x3f7 end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff82486ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff8263ef80) at __mp_lock+0x127 softintr_dispatch(0) at softintr_dispatch+0x4e Xsoftclock() at Xsoftclock+0x1f acpicpu_idle() at acpicpu_idle+0x331 sched_idle(ffffffff82486ff0) at sched_idle+0x3f7 end trace frame: 0x0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 panic(ffffffff821fcd5a) at panic+0x15c pool_cache_get(ffffffff8267b130) at pool_cache_get+0x323 pool_get(ffffffff8267b130,2) at pool_get+0x91 m_get(2,3) at m_get+0x4c rt_ifa_del(ffff800000a0dd00,800100,ffff800000a0dd40,0) at rt_ifa_del+0xa1 in6_unlink_ifa(ffff800000a0dd00,ffff8000009d6000) at in6_unlink_ifa+0x571 in6_update_ifa(ffff8000009d6000,ffff800020f5f740,0) at in6_update_ifa+0x13f7 in6_ioctl_change_ifaddr(8080691a,ffff800020f5f740,ffff8000009d6000) at in6_ioctl_change_ifaddr+0x40c ifioctl(fffffd806f6e2c80,8080691a,ffff800020f5f740,ffff800020e6dad8) at ifioctl+0xe70 soo_ioctl(fffffd806d0b7e50,8080691a,ffff800020f5f740,ffff800020e6dad8) at soo_ioctl+0x27c sys_ioctl(ffff800020e6dad8,ffff800020f5f858,ffff800020f5f8a0) at sys_ioctl+0x4a5 syscall(ffff800020f5f920) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd5ec0, count: 1 ddb{1}> trace db_enter() at db_enter+0x18 panic(ffffffff821fcd5a) at panic+0x15c pool_cache_get(ffffffff8267b130) at pool_cache_get+0x323 pool_get(ffffffff8267b130,2) at pool_get+0x91 m_get(2,3) at m_get+0x4c rt_ifa_del(ffff800000a0dd00,800100,ffff800000a0dd40,0) at rt_ifa_del+0xa1 in6_unlink_ifa(ffff800000a0dd00,ffff8000009d6000) at in6_unlink_ifa+0x571 in6_update_ifa(ffff8000009d6000,ffff800020f5f740,0) at in6_update_ifa+0x13f7 in6_ioctl_change_ifaddr(8080691a,ffff800020f5f740,ffff8000009d6000) at in6_ioctl_change_ifaddr+0x40c ifioctl(fffffd806f6e2c80,8080691a,ffff800020f5f740,ffff800020e6dad8) at ifioctl+0xe70 soo_ioctl(fffffd806d0b7e50,8080691a,ffff800020f5f740,ffff800020e6dad8) at soo_ioctl+0x27c sys_ioctl(ffff800020e6dad8,ffff800020f5f858,ffff800020f5f8a0) at sys_ioctl+0x4a5 syscall(ffff800020f5f920) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd5ec0, count: -14 ddb{1}>