panic: kernel diagnostic assertion "sin6tosa(&ro->ro_dst)->sa_family == AF_INET6" failed: file "/syzkaller/managers/setuid/kernel/sys/netinet6/in6_src.c", line 328 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *495430 91718 32767 0x10 0x4000000 0 syz-executor.2 483614 97551 32767 0x10 0 1 syz-executor.6 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8287457c) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828f9f6b,ffffffff82869f8f,148,ffffffff8294a280) at __assert+0x29 sys/kern/subr_prf.c:157 in6_selectroute(ffff800033f5e120,ffff800000df7b80,fffffd8064d205c0,0) at in6_selectroute+0x228 sys/netinet6/in6_src.c:328 ip6_output(fffffd8064e41400,ffff800000df7b80,fffffd8064d205c0,0,0,fffffd8064d20680) at ip6_output+0xc6a sys/netinet6/ip6_output.c:467 tcp_output(ffff800000e3f038) at tcp_output+0x2877 sys/netinet/tcp_output.c:1110 tcp_connect(fffffd8064d1f9b0,fffffd8064e41300) at tcp_connect+0x33a sys/netinet/tcp_usrreq.c:670 sys_connect(ffff80002a26c2a0,ffff800033f5e5c0,ffff800033f5e510) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff800033f5e5c0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff800033f5e5c0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x90ffe1c1b10, 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 *cpu0: kernel diagnostic assertion "sin6tosa(&ro->ro_dst)->sa_family == AF_INET6" failed: file "/syzkaller/managers/setuid/kernel/sys/netinet6/in6_src.c", line 328 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8287457c) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828f9f6b,ffffffff82869f8f,148,ffffffff8294a280) at __assert+0x29 sys/kern/subr_prf.c:157 in6_selectroute(ffff800033f5e120,ffff800000df7b80,fffffd8064d205c0,0) at in6_selectroute+0x228 sys/netinet6/in6_src.c:328 ip6_output(fffffd8064e41400,ffff800000df7b80,fffffd8064d205c0,0,0,fffffd8064d20680) at ip6_output+0xc6a sys/netinet6/ip6_output.c:467 tcp_output(ffff800000e3f038) at tcp_output+0x2877 sys/netinet/tcp_output.c:1110 tcp_connect(fffffd8064d1f9b0,fffffd8064e41300) at tcp_connect+0x33a sys/netinet/tcp_usrreq.c:670 sys_connect(ffff80002a26c2a0,ffff800033f5e5c0,ffff800033f5e510) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff800033f5e5c0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff800033f5e5c0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x90ffe1c1b10, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800033f5df60 rbx 0xffffffff82c5bca7 cpu_info_full_primary+0x2ca7 rdx 0xffff800000e24580 rcx 0xffff80002a26c2a0 rax 0xffffffff82c5aff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa7883251d326bb0b r11 0xb715659dfe1b442f r12 0xffffffff82c5baa8 cpu_info_full_primary+0x2aa8 r13 0 r14 0 r15 0x1 rip 0xffffffff81ae72ac db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800033f5df50 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.2) tid=495430 pid=91718 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a26cd40,0xffff80002a26c800 process=0xffff80003536d650 user=0xffff800033f59000, vmspace=0xfffffd807df3ba90 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 76139 495574 24175 32767 2 0x10 syz-executor.5 41335 185165 6904 32767 2 0x10 syz-executor.3 91718 143368 16647 32767 2 0x10 syz-executor.2 *91718 495430 16647 32767 7 0x4000010 syz-executor.2 91605 370836 34161 32767 2 0x490 syz-executor.4 91605 76931 34161 32767 3 0x4000090 nanoslp syz-executor.4 91605 387673 34161 32767 3 0x4000090 nanoslp syz-executor.4 91605 308942 34161 32767 3 0x4000090 fsleep syz-executor.4 69872 82837 50895 32767 2 0x490 syz-executor.7 69872 477278 50895 32767 3 0x4000090 fsleep syz-executor.7 69872 363309 50895 32767 3 0x4000090 netcon syz-executor.7 69872 419785 50895 32767 3 0x4000090 fsleep syz-executor.7 78220 39374 46273 32767 2 0x490 syz-executor.1 78220 244970 46273 32767 3 0x4000090 netcon syz-executor.1 78220 102595 46273 32767 3 0x4000090 fsleep syz-executor.1 78220 491480 46273 32767 3 0x4000090 fsleep syz-executor.1 34161 279733 31874 32767 2 0x490 syz-executor.4 31874 194275 33468 0 3 0x82 wait syz-executor.4 56998 339420 90433 32767 2 0x490 syz-executor.0 90433 349121 33468 0 3 0x82 wait syz-executor.0 16647 283322 17817 32767 3 0x90 nanoslp syz-executor.2 17817 30100 33468 0 3 0x82 wait syz-executor.2 17445 10825 0 0 3 0x14200 bored sosplice 50895 121087 4613 32767 2 0x490 syz-executor.7 4613 20235 33468 0 3 0x82 wait syz-executor.7 97551 483614 65812 32767 7 0x10 syz-executor.6 46273 477562 78383 32767 2 0x490 syz-executor.1 24175 468889 95522 32767 3 0x90 nanoslp syz-executor.5 65812 413730 33468 0 3 0x82 wait syz-executor.6 6904 191906 92744 32767 3 0x90 nanoslp syz-executor.3 95522 456261 33468 0 3 0x82 wait syz-executor.5 78383 274751 33468 0 3 0x82 wait syz-executor.1 92744 399864 33468 0 3 0x82 wait syz-executor.3 33468 39676 78135 0 3 0x2000082 wait syz-fuzzer 33468 1474 78135 0 3 0x6000082 nanoslp syz-fuzzer 33468 17716 78135 0 3 0x6000082 thrsleep syz-fuzzer 33468 245018 78135 0 3 0x6000082 wait syz-fuzzer 33468 293154 78135 0 3 0x6000082 thrsleep syz-fuzzer 33468 467686 78135 0 3 0x6000082 thrsleep syz-fuzzer 33468 346551 78135 0 3 0x6000082 wait syz-fuzzer 33468 54447 78135 0 3 0x6000082 kqread syz-fuzzer 33468 252187 78135 0 3 0x6000082 wait syz-fuzzer 33468 228097 78135 0 3 0x6000082 thrsleep syz-fuzzer 33468 333102 78135 0 3 0x6000082 thrsleep syz-fuzzer 33468 237798 78135 0 3 0x6000082 wait syz-fuzzer 33468 24442 78135 0 3 0x6000082 wait syz-fuzzer 33468 369502 78135 0 3 0x6000082 thrsleep syz-fuzzer 33468 158487 78135 0 3 0x6000082 wait syz-fuzzer 33468 255886 78135 0 3 0x6000082 wait syz-fuzzer 78135 438493 13963 0 3 0x10008a sigsusp ksh 13963 39444 53536 0 3 0x9a kqread sshd 80405 408786 1 0 3 0x100083 ttyin getty 53536 82322 1 0 3 0x88 kqread sshd 75841 191596 35980 73 3 0x1100090 kqread syslogd 35980 506864 1 0 3 0x100082 netio syslogd 16590 324759 1 0 3 0x100080 kqread resolvd 41083 30062 43504 77 3 0x100092 kqread dhcpleased 49889 481576 43504 77 3 0x100092 kqread dhcpleased 43504 350869 1 0 3 0x80 kqread dhcpleased 23017 493626 0 0 3 0x14200 bored smr 90273 161100 0 0 2 0x14200 zerothread 8993 338260 0 0 3 0x14200 aiodoned aiodoned 64409 343147 0 0 3 0x14200 syncer update 14743 466347 0 0 3 0x14200 cleaner cleaner 9870 257550 0 0 3 0x14200 reaper reaper 90077 348131 0 0 3 0x14200 pgdaemon pagedaemon 7364 250667 0 0 3 0x14200 bored viomb 63284 409042 0 0 3 0x40014200 acpi0 acpi0 42236 87128 0 0 3 0x40014200 idle1 89546 241780 0 0 3 0x14200 bored softnet3 54117 20654 0 0 3 0x14200 bored softnet2 93133 125777 0 0 3 0x14200 bored softnet1 52888 220618 0 0 3 0x14200 bored softnet0 53453 71130 0 0 3 0x14200 bored systqmp 95561 186582 0 0 3 0x14200 bored systq 23876 38482 0 0 3 0x14200 tmoslp softclockmp 94204 345273 0 0 2 0x40014200 softclock 33169 416387 0 0 3 0x40014200 idle0 1 288798 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 91718 (syz-executor.2) thread 0xffff80002a26c2a0 (495430) exclusive rwlock netlock r = 0 (0xffffffff82c6f0b0) #0 witness_lock+0x447 #1 sys_connect+0x1be isdnssocket sys/kern/uipc_syscalls.c:127 [inline] #1 sys_connect+0x1be sys/kern/uipc_syscalls.c:413 #2 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] #2 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 Process 97551 (syz-executor.6) thread 0xffff80002a1d7550 (483614) exclusive rrwlock inode r = 0 (0xfffffd806ec7e3d0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1314 #8 ufs_lookup+0x1323 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #13 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #13 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8066e80e78) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #8 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #8 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10199 6410K 6419K 166960K 11308 0 pcb 15 14K 16K 166960K 19 0 rtable 248 7K 7K 166960K 1106 0 pf 29 8K 8K 166960K 49 0 ifaddr 44 15K 15K 166960K 88 0 ifgroup 50 2K 2K 166960K 90 0 sysctl 2 0K 0K 166960K 7 0 counters 64 36K 36K 166960K 84 0 ioctlops 0 0K 2K 166960K 192 0 iov 0 0K 32K 166960K 801 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1279 80K 80K 166960K 2084 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 82 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 1471 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 24 89K 109K 166960K 6898 0 sigio 0 0K 0K 166960K 208 0 proc 56 78K 127K 166960K 1136 0 subproc 104 6K 6K 166960K 234 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 802 0 in_multi 99 7K 7K 166960K 266 0 ether_multi 1 0K 0K 166960K 11 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 175 784K 784K 166960K 175 0 exec 0 0K 1K 166960K 2480 0 tdb 3 0K 0K 166960K 3 0 pagedep 1 8K 8K 166960K 1 0 inodedep 1 32K 32K 166960K 1 0 newblk 1 0K 0K 166960K 1 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 422 91K 105K 166960K 69660 0 UVM aobj 131 4K 5K 166960K 140 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 112 0 NDP 11 0K 2K 166960K 57 0 temp 74 6712K 6792K 166960K 20106 0 kqueue 12 18K 29K 166960K 603 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 639 0 636 11 10 1 5 0 8 0 rtentry 112 233 0 116 4 0 4 4 0 8 0 unpcb 144 5207 0 5194 45 39 6 6 0 8 5 syncache 320 109 0 109 11 10 1 1 0 8 1 tcpqe 32 357 0 357 12 11 1 1 0 8 1 tcpcb 808 2956 0 2884 60 52 8 12 0 8 0 arp 120 41 0 22 1 0 1 1 0 8 0 ipq 40 19 0 19 2 2 0 1 0 8 0 ipqe 40 130 0 130 2 2 0 1 0 8 0 inpcb 376 7553 0 7471 94 72 22 22 0 8 12 nd6 136 63 0 33 5 3 2 2 0 8 0 kcovpl 48 18 0 10 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 954 0 450 32 0 32 32 0 8 0 art_table 32 955 0 450 5 0 5 5 0 8 0 art_node 16 232 0 125 1 0 1 1 0 8 0 semapl 112 1466 0 1456 1 0 1 1 0 8 0 shmpl 112 137 0 9 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 9810 0 8362 91 0 91 91 0 8 0 ffsino 272 9810 0 8362 97 0 97 97 0 8 0 nchpl 144 18873 0 17234 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 60988 0 60988 5 4 1 2 0 8 1 percpumem 16 56 0 10 1 0 1 1 0 8 0 kstatmem 264 42 0 20 2 0 2 2 0 8 0 scxspl 216 69622 0 69622 34 31 3 8 1 8 3 plimitpl 152 1048 0 1025 7 5 2 2 0 8 1 sigapl 424 7169 0 7114 7 0 7 7 0 8 0 futexpl 64 55071 0 55066 5 4 1 1 0 8 0 knotepl 120 479 0 0 12 1 11 11 0 8 0 kqueuepl 216 1707 0 1699 37 36 1 8 0 8 0 pipepl 320 1387 0 1359 41 38 3 8 0 8 0 fdescpl 496 7150 0 7115 7 1 6 6 0 8 0 filepl 152 41433 0 41157 70 54 16 21 0 8 2 lockfpl 104 1073 0 1071 1 0 1 1 0 8 0 lockfspl 48 307 0 305 1 0 1 1 0 8 0 sessionpl 144 33 0 17 1 0 1 1 0 8 0 pgrppl 48 122 0 106 1 0 1 1 0 8 0 ucredpl 104 4836 0 4818 1 0 1 1 0 8 0 zombiepl 144 7115 0 7114 1 0 1 1 0 8 0 processpl 1136 7169 0 7114 5 0 5 5 0 8 0 procpl 680 19249 0 19169 9 1 8 9 0 8 0 sosppl 168 128 0 128 4 3 1 1 0 8 1 sockpl 488 13806 0 13714 223 195 28 34 0 8 15 mcl64k 65536 16 0 0 2 0 2 2 0 8 0 mcl16k 16384 10 0 0 2 0 2 2 0 8 0 mcl12k 12288 11 0 0 2 0 2 2 0 8 0 mcl9k 9216 13 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 40 0 0 3 0 3 3 0 8 0 mcl2k2 2112 10 0 0 1 0 1 1 0 8 0 mcl2k 2048 344 0 0 32 7 25 32 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 17250 0 0 1065 0 1065 1065 0 8 0 bufpl 288 18151 0 11831 452 0 452 452 0 8 0 anonpl 24 870788 0 859099 175 76 99 101 0 186 0 amapchunkpl 152 225194 0 224275 87 45 42 50 0 158 1 amappl16 200 19676 0 19356 103 84 19 31 0 8 1 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 173 0 160 2 1 1 2 0 8 0 amappl13 176 34 0 33 1 0 1 1 0 8 0 amappl12 168 7919 0 7878 3 0 3 3 0 8 0 amappl11 160 48 0 36 1 0 1 1 0 8 0 amappl10 152 35 0 22 2 1 1 1 0 8 0 amappl9 144 224 0 223 1 0 1 1 0 8 0 amappl8 136 472 0 355 5 0 5 5 0 8 0 amappl7 128 215 0 193 2 0 2 2 0 8 0 amappl6 120 461 0 447 1 0 1 1 0 8 0 amappl5 112 265 0 257 1 0 1 1 0 8 0 amappl4 104 633 0 604 2 1 1 2 0 8 0 amappl3 96 43238 0 43135 10 6 4 4 0 8 0 amappl2 88 7941 0 7859 3 1 2 3 0 8 0 amappl1 80 33780 0 33257 22 10 12 22 0 8 0 amappl 88 68799 0 68538 7 0 7 7 0 92 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 128 253 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 72 139 0 9 3 0 3 3 0 8 0 uaddrrnd 24 7150 0 7115 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 7150 0 7115 1 0 1 1 0 8 0 vmmpekpl 168 61333 0 61275 4 0 4 4 0 8 0 vmmpepl 168 430129 0 427676 183 69 114 128 0 357 1 vmsppl 448 7149 0 7115 5 0 5 5 0 8 0 rwobjpl 56 117894 0 110439 112 3 109 109 0 8 0 pdppl 4096 14307 0 14230 258 177 81 87 0 8 4 pvpl 32 41380 0 0 336 2 334 334 0 265 0 pmappl 248 7149 0 7115 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2123 0 243 54 0 54 54 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8287457c) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828f9f6b,ffffffff82869f8f,148,ffffffff8294a280) at __assert+0x29 sys/kern/subr_prf.c:157 in6_selectroute(ffff800033f5e120,ffff800000df7b80,fffffd8064d205c0,0) at in6_selectroute+0x228 sys/netinet6/in6_src.c:328 ip6_output(fffffd8064e41400,ffff800000df7b80,fffffd8064d205c0,0,0,fffffd8064d20680) at ip6_output+0xc6a sys/netinet6/ip6_output.c:467 tcp_output(ffff800000e3f038) at tcp_output+0x2877 sys/netinet/tcp_output.c:1110 tcp_connect(fffffd8064d1f9b0,fffffd8064e41300) at tcp_connect+0x33a sys/netinet/tcp_usrreq.c:670 sys_connect(ffff80002a26c2a0,ffff800033f5e5c0,ffff800033f5e510) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff800033f5e5c0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff800033f5e5c0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x90ffe1c1b10, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cfbff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82d82c00) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d82c00) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82d82c00,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x46f sys/kern/sched_bsd.c:470 sleep_finish(0,1) at sleep_finish+0x19b sys/kern/kern_synch.c:414 biowait(fffffd80667f1c70) at biowait+0x91 sys/kern/vfs_bio.c:1278 bwrite(fffffd80667f1c70) at bwrite+0x21c sys/kern/vfs_bio.c:769 ffs_update(fffffd806ec7e338,1) at ffs_update+0x281 sys/ufs/ffs/ffs_inode.c:113 ffs_truncate(fffffd806ec7e338,0,4,fffffd807f7d7340) at ffs_truncate+0xc9b ufs_rmdir(ffff8000359765a8) at ufs_rmdir+0x3a9 sys/ufs/ufs/ufs_vnops.c:1334 VOP_RMDIR(fffffd806542cb38,fffffd80623a3e68,ffff800035976688) at VOP_RMDIR+0x12a sys/kern/vfs_vops.c:407 dounlinkat(ffff80002a1d7550,ffffff9c,7c13593632b0,8) at dounlinkat+0x20e sys/kern/vfs_syscalls.c:1880 end trace frame: 0xffff8000359767f0, count: 0 ddb{1}> trace x86_ipi_db(ffff800029cfbff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82d82c00) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d82c00) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82d82c00,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x46f sys/kern/sched_bsd.c:470 sleep_finish(0,1) at sleep_finish+0x19b sys/kern/kern_synch.c:414 biowait(fffffd80667f1c70) at biowait+0x91 sys/kern/vfs_bio.c:1278 bwrite(fffffd80667f1c70) at bwrite+0x21c sys/kern/vfs_bio.c:769 ffs_update(fffffd806ec7e338,1) at ffs_update+0x281 sys/ufs/ffs/ffs_inode.c:113 ffs_truncate(fffffd806ec7e338,0,4,fffffd807f7d7340) at ffs_truncate+0xc9b ufs_rmdir(ffff8000359765a8) at ufs_rmdir+0x3a9 sys/ufs/ufs/ufs_vnops.c:1334 VOP_RMDIR(fffffd806542cb38,fffffd80623a3e68,ffff800035976688) at VOP_RMDIR+0x12a sys/kern/vfs_vops.c:407 dounlinkat(ffff80002a1d7550,ffffff9c,7c13593632b0,8) at dounlinkat+0x20e sys/kern/vfs_syscalls.c:1880 syscall(ffff800035976800) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff800035976800) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c13593632a0, count: -16