panic: kernel diagnostic assertion "cifp != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/route.c", line 1078 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 355804 37314 0 0x8000000 0x4000000 0 syz-executor.6 *128819 22290 0 0x8000000 0x4000000 1 syz-executor.0 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82958636) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290d601,ffffffff82886863,436,ffffffff8287dbb2) at __assert+0x29 sys/kern/subr_prf.c:157 rtrequest(1,ffff80003739aa00,0,ffff80003739a980,0) at rtrequest+0xa23 sys/net/route.c:1078 rtm_output(ffff800000de9800,ffff80003739aaa8,ffff80003739aa00,0,0) at rtm_output+0x614 sys/net/rtsock.c:959 route_output(fffffd806d29be00,ffff800000e84dc0) at route_output+0x6a7 sys/net/rtsock.c:864 route_send(ffff800000e84dc0,fffffd806d29be00,0,0) at route_send+0x8f sys/net/rtsock.c:340 sosend(ffff800000e84dc0,0,ffff80003739ac58,0,0,0) at sosend+0x663 sendit(ffff80002a21d210,3,ffff80003739ad50,0,ffff80003739ae00) at sendit+0x54c sys/kern/uipc_syscalls.c:786 sys_sendto(ffff80002a21d210,ffff80003739aeb0,ffff80003739ae00) at sys_sendto+0x84 sys/kern/uipc_syscalls.c:564 syscall(ffff80003739aeb0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80003739aeb0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1d4a548e140, count: 3 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 *cpu1: kernel diagnostic assertion "cifp != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/route.c", line 1078 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82958636) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290d601,ffffffff82886863,436,ffffffff8287dbb2) at __assert+0x29 sys/kern/subr_prf.c:157 rtrequest(1,ffff80003739aa00,0,ffff80003739a980,0) at rtrequest+0xa23 sys/net/route.c:1078 rtm_output(ffff800000de9800,ffff80003739aaa8,ffff80003739aa00,0,0) at rtm_output+0x614 sys/net/rtsock.c:959 route_output(fffffd806d29be00,ffff800000e84dc0) at route_output+0x6a7 sys/net/rtsock.c:864 route_send(ffff800000e84dc0,fffffd806d29be00,0,0) at route_send+0x8f sys/net/rtsock.c:340 sosend(ffff800000e84dc0,0,ffff80003739ac58,0,0,0) at sosend+0x663 sendit(ffff80002a21d210,3,ffff80003739ad50,0,ffff80003739ae00) at sendit+0x54c sys/kern/uipc_syscalls.c:786 sys_sendto(ffff80002a21d210,ffff80003739aeb0,ffff80003739ae00) at sys_sendto+0x84 sys/kern/uipc_syscalls.c:564 syscall(ffff80003739aeb0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80003739aeb0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1d4a548e140, count: -12 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003739a780 rbx 0xffff800029ceccbf rdx 0xffff800000df0b40 rcx 0xffff80002a21d210 rax 0xffff800029cebff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd3bb35affc34b0a9 r11 0xa959cb2120b84f1e r12 0xffff800029cecac0 r13 0 r14 0 r15 0x1 rip 0xffffffff814fdf4c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80003739a770 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) tid=128819 pid=22290 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=78, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a21d4a0,0xffff80002a21d740 process=0xffff80002d7179d8 user=0xffff800037395000, vmspace=0xfffffd806b97a378 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28390 146287 19070 0 2 0x8000000 syz-executor.5 37314 234217 83491 0 2 0x8000000 syz-executor.6 37314 355804 83491 0 7 0xc000000 syz-executor.6 60477 258800 58445 0 2 0x8000000 syz-executor.1 22290 324529 84671 0 2 0x8000000 syz-executor.0 *22290 128819 84671 0 7 0xc000000 syz-executor.0 4653 8224 18374 0 3 0x8000080 nanoslp syz-executor.2 4653 325531 18374 0 3 0xc000080 fsleep syz-executor.2 4653 267574 18374 0 3 0xc000080 kqpoll syz-executor.2 4653 456366 18374 0 3 0xc000080 fsleep syz-executor.2 90868 254719 63564 0 3 0x8000080 nanoslp syz-executor.4 90868 318977 63564 0 3 0xc000080 lockf syz-executor.4 90868 291421 63564 0 3 0xc000080 lockf syz-executor.4 90868 305705 63564 0 3 0xc000080 fsleep syz-executor.4 19070 395287 95210 0 3 0x8000082 nanoslp syz-executor.5 18374 114554 95210 0 2 0x8000002 syz-executor.2 57704 137036 0 0 3 0x14200 acct acct 63564 72395 95210 0 2 0x8000002 syz-executor.4 84671 259535 95210 0 3 0x8000082 nanoslp syz-executor.0 83491 21902 95210 0 3 0x8000082 nanoslp syz-executor.6 58445 80844 95210 0 3 0x8000082 nanoslp syz-executor.1 80676 321262 1 0 3 0x18100083 ttyin getty 23609 434183 0 0 3 0x14200 bored sosplice 95210 420179 18517 0 3 0x1a000082 thrsleep syz-fuzzer 95210 291935 18517 0 3 0x1e000082 thrsleep syz-fuzzer 95210 410008 18517 0 3 0x1e000082 wait syz-fuzzer 95210 356975 18517 0 3 0x1e000082 thrsleep syz-fuzzer 95210 137548 18517 0 3 0x1e000082 wait syz-fuzzer 95210 227228 18517 0 3 0x1e000082 thrsleep syz-fuzzer 95210 127535 18517 0 3 0x1e000082 thrsleep syz-fuzzer 95210 201755 18517 0 3 0x1e000082 thrsleep syz-fuzzer 95210 454908 18517 0 3 0x1e000082 thrsleep syz-fuzzer 95210 320996 18517 0 3 0x1e000082 wait syz-fuzzer 95210 411380 18517 0 3 0x1e000082 thrsleep syz-fuzzer 95210 299343 18517 0 3 0x1e000082 kqread syz-fuzzer 95210 418708 18517 0 3 0x1e000082 wait syz-fuzzer 95210 480604 18517 0 3 0x1e000082 wait syz-fuzzer 95210 210471 18517 0 3 0x1e000082 wait syz-fuzzer 95210 481100 18517 0 3 0x1e000082 wait syz-fuzzer 18517 488357 30212 0 3 0x810008a sigsusp ksh 30212 48544 19497 0 3 0x1800009a kqread sshd 19497 518110 1 0 3 0x18000088 kqread sshd 75637 178911 46404 74 3 0x19100092 bpf pflogd 46404 485419 1 0 3 0x18000080 sbwait pflogd 19334 282712 41281 73 3 0x19100090 kqread syslogd 41281 483738 1 0 3 0x18100082 sbwait syslogd 40798 406940 1 0 3 0x18100080 kqread resolvd 42553 198046 76556 77 3 0x18100092 kqread dhcpleased 44948 495152 76556 77 3 0x18100092 kqread dhcpleased 76556 344165 1 0 3 0x18000080 kqread dhcpleased 57940 462505 0 0 3 0x14200 bored smr 8499 169420 0 0 2 0x14200 zerothread 80032 206513 0 0 3 0x14200 aiodoned aiodoned 82497 427970 0 0 3 0x14200 syncer update 48824 415409 0 0 3 0x14200 cleaner cleaner 41171 340008 0 0 3 0x14200 reaper reaper 77393 319814 0 0 3 0x14200 pgdaemon pagedaemon 46684 34864 0 0 3 0x14200 bored viomb 46968 444862 0 0 3 0x40014200 acpi0 acpi0 77208 379319 0 0 3 0x40014200 idle1 88945 5468 0 0 3 0x14200 bored softnet3 78707 226362 0 0 3 0x14200 bored softnet2 50766 422306 0 0 3 0x14200 bored softnet1 46894 218529 0 0 3 0x14200 bored softnet0 42838 215005 0 0 3 0x14200 bored systqmp 64133 452989 0 0 3 0x14200 bored systq 67534 353498 0 0 3 0x14200 tmoslp softclockmp 44306 121944 0 0 3 0x40014200 tmoslp softclock 86400 353212 0 0 3 0x40014200 idle0 1 465939 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 37314 (syz-executor.6) thread 0xffff80002a21d730 (355804) exclusive rrwlock inode r = 0 (0xfffffd806e0ddb40) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1733 #8 ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147 #9 VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103 #10 vn_open+0x353 sys/kern/vfs_vnops.c:116 #11 doopenat+0x269 sys/kern/vfs_syscalls.c:1126 #12 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #12 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e1e0e68) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 vn_open+0x180 sys/kern/vfs_vnops.c:107 #8 doopenat+0x269 sys/kern/vfs_syscalls.c:1126 #9 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #9 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 Process 22290 (syz-executor.0) thread 0xffff80002a21d210 (128819) exclusive rwlock netlock r = 0 (0xffffffff82d4e4d0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rtm_output+0x579 sys/net/rtsock.c:955 #2 route_output+0x6a7 sys/net/rtsock.c:864 #3 route_send+0x8f sys/net/rtsock.c:340 #4 sosend+0x663 #5 sendit+0x54c sys/kern/uipc_syscalls.c:786 #6 sys_sendto+0x84 sys/kern/uipc_syscalls.c:564 #7 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #7 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10195 6560K 6808K 166960K 11957 0 pcb 15 10K 10K 166960K 121 0 rtable 254 8K 8K 166960K 800 0 pf 35 10K 10K 166960K 94 0 ifaddr 47 16K 17K 166960K 114 0 ifgroup 60 2K 2K 166960K 148 0 sysctl 4 1K 1K 166960K 7 0 counters 66 36K 37K 166960K 112 0 ioctlops 0 0K 4K 166960K 1532 0 iov 0 0K 16K 166960K 77 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1365 86K 86K 166960K 1960 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 22 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 67 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 85K 166960K 1266 0 sigio 0 0K 0K 166960K 23 0 proc 70 91K 115K 166960K 936 0 subproc 91 5K 6K 166960K 248 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 181 0 in_multi 88 6K 7K 166960K 254 0 ether_multi 1 0K 0K 166960K 5 0 mrt 0 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 647 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 327 89K 99K 166960K 13305 0 UVM aobj 53 3K 3K 166960K 63 0 pinsyscall 39 78K 108K 166960K 2757 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 92 0 NDP 13 0K 2K 166960K 74 0 temp 72 6811K 6892K 166960K 24837 0 kqueue 12 18K 28K 166960K 134 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 120 132 0 128 1 0 1 1 0 8 0 rtentry 112 265 0 150 5 1 4 4 0 8 0 unpcb 144 727 0 706 3 1 2 2 0 8 0 syncache 336 17 0 17 5 5 0 1 0 8 0 tcpqe 32 225 0 225 4 4 0 1 0 8 0 tcpcb 808 371 0 362 4 2 2 3 0 8 0 arp 120 50 0 31 1 0 1 1 0 8 0 inpcb 392 1192 0 1177 8 5 3 5 0 8 0 nd6 136 65 0 37 2 0 2 2 0 8 0 pkpcb 40 4 0 4 3 3 0 1 0 8 0 kcovpl 48 19 0 12 1 0 1 1 0 8 0 ppxss 1168 3 0 3 3 3 0 1 0 8 0 pffrag 232 9 0 2 1 0 1 1 0 482 0 pffrnode 88 8 0 2 1 0 1 1 0 8 0 pffrent 40 57 0 50 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 101 0 54 1 0 1 1 0 8 0 pfstkey 128 101 0 54 2 0 2 2 0 8 0 pfstate 376 101 0 54 5 0 5 5 0 8 0 pfrule 1344 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 256 978 0 542 34 3 31 31 0 8 1 art_table 32 979 0 542 4 0 4 4 0 8 0 art_node 16 261 0 164 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 18 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 65 0 55 1 0 1 1 0 8 0 shmpl 112 60 0 10 2 0 2 2 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 3267 0 1752 96 0 96 96 0 8 0 ffsino 272 3267 0 1752 103 0 103 103 0 8 0 nchpl 144 5091 0 3363 67 0 67 67 0 8 0 uvmvnodes 80 3733 0 0 77 0 77 77 0 8 0 vnodes 216 3733 0 0 208 0 208 208 0 8 0 namei 1024 16916 0 16915 3 2 1 2 0 8 0 percpumem 16 70 0 23 1 0 1 1 0 8 0 vcpupl 2048 5 0 0 1 0 1 1 0 8 0 vmpool 696 13 0 8 1 0 1 1 0 8 0 kstatmem 264 72 0 46 3 0 3 3 0 8 0 scxspl 216 16573 0 16573 12 10 2 8 1 8 2 plimitpl 152 170 0 154 1 0 1 1 0 8 0 sigapl 424 1589 0 1541 9 1 8 9 0 8 0 futexpl 64 14521 0 14518 1 0 1 1 0 8 0 knotepl 120 406 0 0 11 0 11 11 0 8 0 kqueuepl 216 215 0 206 1 0 1 1 0 8 0 pipepl 320 293 0 268 3 0 3 3 0 8 0 fdescpl 496 1548 0 1520 5 0 5 5 0 8 0 filepl 152 7789 0 7548 13 1 12 12 0 8 0 lockfpl 104 328 0 322 1 0 1 1 0 8 0 lockfspl 48 134 0 130 1 0 1 1 0 8 0 sessionpl 144 36 0 20 1 0 1 1 0 8 0 pgrppl 48 52 0 36 1 0 1 1 0 8 0 ucredpl 104 1095 0 1083 1 0 1 1 0 8 0 zombiepl 144 1542 0 1541 1 0 1 1 0 8 0 processpl 1136 1589 0 1541 6 1 5 6 0 8 0 procpl 656 2873 0 2802 9 1 8 9 0 8 0 srpgc 96 10 0 10 2 1 1 1 0 8 1 sosppl 168 34 0 32 4 3 1 1 0 8 0 sockpl 584 2090 0 2050 7 3 4 6 0 8 0 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 7 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 11 0 0 2 0 2 2 0 8 0 mcl4k 4096 15 0 0 2 0 2 2 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 283 0 0 36 0 36 36 0 8 0 mtagpl 96 12 0 0 1 0 1 1 0 8 0 mbufpl 256 1052 0 0 65 0 65 65 0 8 0 bufpl 280 6551 0 296 447 0 447 447 0 8 0 anonpl 24 298288 0 292555 101 41 60 60 0 186 10 amapchunkpl 152 41594 0 40925 41 9 32 36 0 158 0 amappl16 200 7622 0 7506 27 8 19 19 0 8 5 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 193 0 180 2 1 1 2 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 2393 0 2364 3 1 2 2 0 8 0 amappl11 160 59 0 45 1 0 1 1 0 8 0 amappl10 152 47 0 39 1 0 1 1 0 8 0 amappl9 144 199 0 198 2 1 1 1 0 8 0 amappl8 136 271 0 197 3 0 3 3 0 8 0 amappl7 128 78 0 61 1 0 1 1 0 8 0 amappl6 120 524 0 506 2 1 1 2 0 8 0 amappl5 112 229 0 214 1 0 1 1 0 8 0 amappl4 104 685 0 640 3 1 2 3 0 8 0 amappl3 96 8549 0 8463 3 0 3 3 0 8 0 amappl2 88 2036 0 1960 4 2 2 4 0 8 0 amappl1 80 14610 0 14071 23 10 13 23 0 8 0 amappl 88 12559 0 12354 6 0 6 6 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 62 0 10 1 0 1 1 0 8 0 uaddrrnd 24 1561 0 1528 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1561 0 1528 1 0 1 1 0 8 0 vmmpekpl 168 15489 0 15429 4 0 4 4 0 8 0 vmmpepl 168 114975 0 112982 146 41 105 120 0 357 7 vmsppl 440 1560 0 1528 6 1 5 5 0 8 0 rwobjpl 56 38300 0 33335 79 5 74 74 0 8 3 pdppl 4096 3129 0 3061 176 102 74 79 0 8 6 pvpl 32 48853 0 0 394 0 394 394 0 265 0 pmappl 248 1560 0 1528 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 547 0 122 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82d40ff0) 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(ffffffff82dba758) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82dba758) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82dba758,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x489 sys/kern/sched_bsd.c:470 sleep_finish(0,1) at sleep_finish+0x194 sys/kern/kern_synch.c:414 biowait(fffffd806ba02af0) at biowait+0x91 sys/kern/vfs_bio.c:1254 bwrite(fffffd806ba02af0) at bwrite+0x1fb sys/kern/vfs_bio.c:766 VOP_BWRITE(fffffd806ba02af0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_direnter(fffffd80706707f8,fffffd8070670138,ffff80002d712150,ffff80002d7125d8,0) at ufs_direnter+0x60e sys/ufs/ufs/ufs_lookup.c:833 ufs_makeinode(8000,fffffd80706707f8,ffff80002d7125a8,ffff80002d7125d8) at ufs_makeinode+0x3c2 sys/ufs/ufs/ufs_vnops.c:1769 ufs_create(ffff80002d712320) at ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(fffffd80706707f8,ffff80002d7125a8,ffff80002d7125d8,ffff80002d7123a8) at VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103 end trace frame: 0xffff80002d7124c0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff82d40ff0) 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(ffffffff82dba758) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82dba758) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82dba758,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x489 sys/kern/sched_bsd.c:470 sleep_finish(0,1) at sleep_finish+0x194 sys/kern/kern_synch.c:414 biowait(fffffd806ba02af0) at biowait+0x91 sys/kern/vfs_bio.c:1254 bwrite(fffffd806ba02af0) at bwrite+0x1fb sys/kern/vfs_bio.c:766 VOP_BWRITE(fffffd806ba02af0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_direnter(fffffd80706707f8,fffffd8070670138,ffff80002d712150,ffff80002d7125d8,0) at ufs_direnter+0x60e sys/ufs/ufs/ufs_lookup.c:833 ufs_makeinode(8000,fffffd80706707f8,ffff80002d7125a8,ffff80002d7125d8) at ufs_makeinode+0x3c2 sys/ufs/ufs/ufs_vnops.c:1769 ufs_create(ffff80002d712320) at ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(fffffd80706707f8,ffff80002d7125a8,ffff80002d7125d8,ffff80002d7123a8) at VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103 vn_open(ffff80002d712578,11830b,0) at vn_open+0x353 sys/kern/vfs_vnops.c:116 doopenat(ffff80002a21d730,ffffff9c,200003c0,11830a,0,ffff80002d712720) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126 syscall(ffff80002d7127d0) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002d7127d0) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdf7c2aae3a0, count: -18 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82958636) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290d601,ffffffff82886863,436,ffffffff8287dbb2) at __assert+0x29 sys/kern/subr_prf.c:157 rtrequest(1,ffff80003739aa00,0,ffff80003739a980,0) at rtrequest+0xa23 sys/net/route.c:1078 rtm_output(ffff800000de9800,ffff80003739aaa8,ffff80003739aa00,0,0) at rtm_output+0x614 sys/net/rtsock.c:959 route_output(fffffd806d29be00,ffff800000e84dc0) at route_output+0x6a7 sys/net/rtsock.c:864 route_send(ffff800000e84dc0,fffffd806d29be00,0,0) at route_send+0x8f sys/net/rtsock.c:340 sosend(ffff800000e84dc0,0,ffff80003739ac58,0,0,0) at sosend+0x663 sendit(ffff80002a21d210,3,ffff80003739ad50,0,ffff80003739ae00) at sendit+0x54c sys/kern/uipc_syscalls.c:786 sys_sendto(ffff80002a21d210,ffff80003739aeb0,ffff80003739ae00) at sys_sendto+0x84 sys/kern/uipc_syscalls.c:564 syscall(ffff80003739aeb0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80003739aeb0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1d4a548e140, count: 3 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82958636) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290d601,ffffffff82886863,436,ffffffff8287dbb2) at __assert+0x29 sys/kern/subr_prf.c:157 rtrequest(1,ffff80003739aa00,0,ffff80003739a980,0) at rtrequest+0xa23 sys/net/route.c:1078 rtm_output(ffff800000de9800,ffff80003739aaa8,ffff80003739aa00,0,0) at rtm_output+0x614 sys/net/rtsock.c:959 route_output(fffffd806d29be00,ffff800000e84dc0) at route_output+0x6a7 sys/net/rtsock.c:864 route_send(ffff800000e84dc0,fffffd806d29be00,0,0) at route_send+0x8f sys/net/rtsock.c:340 sosend(ffff800000e84dc0,0,ffff80003739ac58,0,0,0) at sosend+0x663 sendit(ffff80002a21d210,3,ffff80003739ad50,0,ffff80003739ae00) at sendit+0x54c sys/kern/uipc_syscalls.c:786 sys_sendto(ffff80002a21d210,ffff80003739aeb0,ffff80003739ae00) at sys_sendto+0x84 sys/kern/uipc_syscalls.c:564 syscall(ffff80003739aeb0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80003739aeb0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1d4a548e140, count: -12