Warning: Permanently added '10.128.1.4' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *260942 85078 0 0 0x4000000 1 syz-executor3935439802 140532 79117 0 0 0x480 0 syz-executor3935439802 db_enter() at db_enter+0x18 panic(ffffffff825a56b6) at panic+0x177 witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 selwakeup(fffffd8079a39328) at selwakeup+0x16 sorwakeup(fffffd8079a39210) at sorwakeup+0xc9 rip_input(ffff800021237038,ffff800021237044,0,2) at rip_input+0x3b0 ip_deliver(ffff800021237038,ffff800021237044,0,2) at ip_deliver+0x322 ip_ours(ffff800021237038,ffff800021237044,fffffd806d2bf3bc,0) at ip_ours+0x3ba ip_input_if(ffff800021237038,ffff800021237044,4,0,ffff800000689000) at ip_input_if+0x2a1 ipv4_input(ffff800000689000,fffffd806d2bf300) at ipv4_input+0x48 if_input_local(ffff800000689000,fffffd806d2bf300,2) at if_input_local+0x10e ip_output(fffffd806e954000,0,fffffd8079a3b2f0,20,0,fffffd8079a3b278,7bec44fd1b7276de) at ip_output+0xb05 rip_output(fffffd806e954000,fffffd806fbc15c0,ffff800021237290,1) at rip_output+0x2cb end trace frame: 0xffff800021237310, count: 0 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: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{1}> trace db_enter() at db_enter+0x18 panic(ffffffff825a56b6) at panic+0x177 witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 selwakeup(fffffd8079a39328) at selwakeup+0x16 sorwakeup(fffffd8079a39210) at sorwakeup+0xc9 rip_input(ffff800021237038,ffff800021237044,0,2) at rip_input+0x3b0 ip_deliver(ffff800021237038,ffff800021237044,0,2) at ip_deliver+0x322 ip_ours(ffff800021237038,ffff800021237044,fffffd806d2bf3bc,0) at ip_ours+0x3ba ip_input_if(ffff800021237038,ffff800021237044,4,0,ffff800000689000) at ip_input_if+0x2a1 ipv4_input(ffff800000689000,fffffd806d2bf300) at ipv4_input+0x48 if_input_local(ffff800000689000,fffffd806d2bf300,2) at if_input_local+0x10e ip_output(fffffd806e954000,0,fffffd8079a3b2f0,20,0,fffffd8079a3b278,7bec44fd1b7276de) at ip_output+0xb05 rip_output(fffffd806e954000,fffffd806fbc15c0,ffff800021237290,1) at rip_output+0x2cb rip_usrreq(fffffd806fbc15c0,9,fffffd806e954000,0,0,ffff800021213a48) at rip_usrreq+0x49c sosend(fffffd806fbc15c0,0,ffff8000212374a8,0,0,0) at sosend+0x632 dofilewritev(ffff800021213a48,8,ffff8000212374a8,0,ffff8000212375a0) at dofilewritev+0x19c sys_write(ffff800021213a48,ffff800021237548,ffff8000212375a0) at sys_write+0x83 syscall(ffff800021237610) at syscall+0x489 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xde7f0c2b680, count: -20 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800021236bc0 rbx 0xffff800020ce9bff rdx 0x3fd rcx 0 rax 0x68 r8 0x101010101010101 r9 0x8080808080808080 r10 0x9b3bc4203b8d945c r11 0x759b94e97735d687 r12 0xffff800020ce9a00 r13 0 r14 0 r15 0x1 rip 0xffffffff81f18858 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021236bb0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor3935439802) pid=260942 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=68, nice=20 forw=0xffffffffffffffff, list=0xffff800021213ce8,0xffff800021212558 process=0xffff8000ffff0868 user=0xffff800021232000, vmspace=0xfffffd806cbf42f0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 79667 264234 27688 0 2 0 syz-executor3935439802 79667 147715 27688 0 3 0x4000080 fsleep syz-executor3935439802 85078 46357 48893 0 2 0 syz-executor3935439802 *85078 260942 48893 0 7 0x4000000 syz-executor3935439802 5055 377861 95143 0 2 0 syz-executor3935439802 5055 355896 95143 0 3 0x4000080 fsleep syz-executor3935439802 48754 28904 80563 0 2 0 syz-executor3935439802 48754 271258 80563 0 2 0x4000000 syz-executor3935439802 85830 204523 62751 0 2 0 syz-executor3935439802 33357 518773 79117 0 3 0x80 nanoslp syz-executor3935439802 33357 262692 79117 0 2 0x4000000 syz-executor3935439802 33357 99860 79117 0 3 0x4000080 fsleep syz-executor3935439802 10952 68882 84707 0 2 0 syz-executor3935439802 80070 309923 93916 0 2 0 syz-executor3935439802 62751 404576 94223 0 2 0x480 syz-executor3935439802 84707 478698 94223 0 3 0x80 nanoslp syz-executor3935439802 93916 260945 94223 0 3 0x80 nanoslp syz-executor3935439802 79117 140532 94223 0 7 0x480 syz-executor3935439802 95143 172749 94223 0 3 0x80 nanoslp syz-executor3935439802 48893 298594 94223 0 2 0x480 syz-executor3935439802 80563 117451 94223 0 3 0x80 nanoslp syz-executor3935439802 27688 15925 94223 0 3 0x80 nanoslp syz-executor3935439802 94223 368109 91941 0 3 0x82 nanoslp syz-executor3935439802 91941 370792 69043 0 3 0x10008a sigsusp ksh 69043 64732 65558 0 3 0x9a kqread sshd 78244 515679 1 0 3 0x100083 ttyin getty 65558 105732 1 0 3 0x88 kqread sshd 48203 465445 53430 74 3 0x1100092 bpf pflogd 53430 33876 1 0 3 0x80 netio pflogd 92829 19393 27717 73 3 0x1100090 kqread syslogd 27717 57463 1 0 3 0x100082 netio syslogd 91242 131573 1 0 3 0x100080 kqread resolvd 73670 428400 77914 77 3 0x100092 kqread dhcpleased 3061 228504 77914 77 3 0x100092 kqread dhcpleased 77914 444198 1 0 3 0x80 kqread dhcpleased 6301 85995 0 0 3 0x14200 bored smr 54132 129667 0 0 2 0x14200 zerothread 54632 493289 0 0 3 0x14200 aiodoned aiodoned 39402 324743 0 0 3 0x14200 syncer update 61577 339947 0 0 3 0x14200 cleaner cleaner 46170 447975 0 0 3 0x14200 reaper reaper 25610 131434 0 0 3 0x14200 pgdaemon pagedaemon 1663 177689 0 0 3 0x14200 bored viomb 848 358681 0 0 3 0x40014200 acpi0 acpi0 57842 352961 0 0 3 0x40014200 idle1 50493 213041 0 0 3 0x14200 bored softnet 72803 49516 0 0 3 0x14200 bored systqmp 90549 326749 0 0 3 0x14200 bored systq 41637 117140 0 0 3 0x40014200 bored softclock 97691 154658 0 0 3 0x40014200 idle0 1 428933 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &table->inpt_mtx r = 0 (0xffffffff829c70c8) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b #3 rip_input+0x135 #4 ip_deliver+0x322 #5 ip_ours+0x3ba #6 ip_input_if+0x2a1 #7 ipv4_input+0x48 #8 if_input_local+0x10e #9 ip_output+0xb05 #10 rip_output+0x2cb #11 rip_usrreq+0x49c #12 sosend+0x632 #13 dofilewritev+0x19c #14 sys_write+0x83 #15 syscall+0x489 #16 Xsyscall+0x128 Process 85078 (syz-executor3935439802) thread 0xffff800021213a48 (260942) exclusive rwlock netlock r = 0 (0xffffffff828f7720) #0 witness_lock+0x44d #1 solock+0x86 #2 sosend+0x517 #3 dofilewritev+0x19c #4 sys_write+0x83 #5 syscall+0x489 #6 Xsyscall+0x128 exclusive mutex &table->inpt_mtx r = 0 (0xffffffff829c70c8) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b #3 rip_input+0x135 #4 ip_deliver+0x322 #5 ip_ours+0x3ba #6 ip_input_if+0x2a1 #7 ipv4_input+0x48 #8 if_input_local+0x10e #9 ip_output+0xb05 #10 rip_output+0x2cb #11 rip_usrreq+0x49c #12 sosend+0x632 #13 dofilewritev+0x19c #14 sys_write+0x83 #15 syscall+0x489 #16 Xsyscall+0x128 Process 48754 (syz-executor3935439802) thread 0xffff800021212d28 (28904) exclusive rwlock amaplk r = 0 (0xfffffd807a1bea90) #0 witness_lock+0x44d #1 uvm_fault_check+0x3ca #2 uvm_fault+0x102 #3 upageflttrap+0x82 #4 usertrap+0x1aa #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806cbf4ba8) #0 witness_lock+0x44d #1 uvmfault_lookup+0xd9 #2 uvm_fault_check+0x3a #3 uvm_fault+0x102 #4 upageflttrap+0x82 #5 usertrap+0x1aa #6 recall_trap+0x8 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10149 6454K 6455K 78643K 11239 0 pcb 16 8K 8K 78643K 234 0 rtable 62 2K 2K 78643K 112 0 ifaddr 29 8K 8K 78643K 32 0 counters 40 33K 33K 78643K 40 0 ioctlops 0 0K 4K 78643K 1479 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1167 73K 73K 78643K 1180 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 1697 195K 286K 78643K 12548 0 file desc 1 0K 0K 78643K 1 0 proc 67 87K 87K 78643K 282 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 11 0K 0K 78643K 11 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 25 122K 122K 78643K 25 0 exec 0 0K 2K 78643K 432 0 tdb 3 0K 0K 78643K 3 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 192 7K 8K 78643K 4581 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 4 0K 0K 78643K 4 0 temp 24 4694K 4758K 78643K 3750 0 kqueue 11 16K 18K 78643K 24 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 plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 17 0 14 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 136 1100 0 1079 2 0 2 2 0 8 1 syncache 296 5 0 5 2 1 1 1 0 8 1 tcpcb 736 8 0 5 1 0 1 1 0 8 0 arp 120 2 0 0 1 0 1 1 0 8 0 inpcb 312 671 0 656 2 0 2 2 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 9 0 7 2 1 1 1 0 8 0 pfstkey 112 9 0 7 2 1 1 1 0 8 0 pfstate 320 9 0 7 2 1 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 97 0 0 7 0 7 7 0 8 0 art_table 32 98 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1650 0 249 88 0 88 88 0 8 0 ffsino 272 1650 0 249 94 0 94 94 0 8 0 nchpl 144 2042 0 477 59 0 59 59 0 8 0 uvmvnodes 80 1660 0 0 34 0 34 34 0 8 0 vnodes 224 1660 0 0 98 0 98 98 0 8 0 namei 1024 5301 0 5301 3 1 2 2 0 8 2 percpumem 16 32 0 0 1 0 1 1 0 8 0 scxspl 216 5405 0 5405 19 18 1 8 0 8 1 plimitpl 152 16 0 9 1 0 1 1 0 8 0 sigapl 424 546 0 501 6 0 6 6 0 8 0 futexpl 64 1920 0 1917 1 0 1 1 0 8 0 knotepl 120 45 0 0 2 0 2 2 0 8 0 kqueuepl 216 20 0 13 1 0 1 1 0 8 0 pipepl 336 86 0 83 2 1 1 1 0 8 0 fdescpl 496 532 0 501 4 0 4 4 0 8 0 filepl 152 3059 0 2986 4 0 4 4 0 8 1 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 18 0 9 1 0 1 1 0 8 0 pgrppl 48 18 0 9 1 0 1 1 0 8 0 ucredpl 96 69 0 57 1 0 1 1 0 8 0 zombiepl 144 501 0 501 2 1 1 1 0 8 1 processpl 1064 546 0 501 4 0 4 4 0 8 0 procpl 672 768 0 717 5 0 5 5 0 8 0 sockpl 480 1788 0 1749 8 1 7 7 0 8 2 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 64 0 0 8 1 7 8 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 124 0 0 7 0 7 7 0 8 0 bufpl 288 2251 0 91 155 0 155 155 0 8 0 anonpl 24 82117 0 77836 33 4 29 29 0 186 3 amapchunkpl 152 9353 0 8979 17 0 17 17 0 158 2 amappl16 200 250 0 239 2 1 1 1 0 8 0 amappl15 192 67 0 64 1 0 1 1 0 8 0 amappl13 176 34 0 33 2 1 1 1 0 8 0 amappl12 168 20 0 20 2 2 0 1 0 8 0 amappl11 160 49 0 35 1 0 1 1 0 8 0 amappl10 152 13 0 10 1 0 1 1 0 8 0 amappl9 144 466 0 464 1 0 1 1 0 8 0 amappl8 136 388 0 376 1 0 1 1 0 8 0 amappl7 128 65 0 62 1 0 1 1 0 8 0 amappl6 120 115 0 102 1 0 1 1 0 8 0 amappl5 112 181 0 168 1 0 1 1 0 8 0 amappl4 104 850 0 823 1 0 1 1 0 8 0 amappl3 96 330 0 314 1 0 1 1 0 8 0 amappl2 88 369 0 331 1 0 1 1 0 8 0 amappl1 80 11576 0 11071 13 2 11 11 0 8 0 amappl 88 4285 0 4118 5 0 5 5 0 92 1 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 532 0 501 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 532 0 501 1 0 1 1 0 8 0 vmmpekpl 168 7223 0 7202 2 0 2 2 0 8 0 vmmpepl 168 40173 0 38664 73 4 69 69 0 357 3 vmsppl 368 531 0 501 3 0 3 3 0 8 0 rwobjpl 56 13003 0 10647 34 0 34 34 0 8 0 pdppl 4096 1071 0 1002 89 20 69 69 0 8 0 pvpl 32 196074 0 189132 66 6 60 60 0 265 3 pmappl 248 531 0 501 2 0 2 2 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 470 0 26 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff8294dff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82b46e28) at __mp_lock+0x122 __mp_acquire_count(ffffffff82b46e28,1) at __mp_acquire_count+0x48 mi_switch() at mi_switch+0x3d3 sleep_finish(ffff8000211ec890,1) at sleep_finish+0x198 tsleep(ffffffff82a9bef0,120,ffffffff8256f3d3,2) at tsleep+0x12c sys_nanosleep(ffff800021142a88,ffff8000211ec9b0,ffff8000211eca10) at sys_nanosleep+0x1f5 syscall(ffff8000211eca80) at syscall+0x489 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff81c0, count: 4 ddb{0}> trace x86_ipi_db(ffffffff8294dff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82b46e28) at __mp_lock+0x122 __mp_acquire_count(ffffffff82b46e28,1) at __mp_acquire_count+0x48 mi_switch() at mi_switch+0x3d3 sleep_finish(ffff8000211ec890,1) at sleep_finish+0x198 tsleep(ffffffff82a9bef0,120,ffffffff8256f3d3,2) at tsleep+0x12c sys_nanosleep(ffff800021142a88,ffff8000211ec9b0,ffff8000211eca10) at sys_nanosleep+0x1f5 syscall(ffff8000211eca80) at syscall+0x489 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff81c0, count: -11 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 panic(ffffffff825a56b6) at panic+0x177 witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 selwakeup(fffffd8079a39328) at selwakeup+0x16 sorwakeup(fffffd8079a39210) at sorwakeup+0xc9 rip_input(ffff800021237038,ffff800021237044,0,2) at rip_input+0x3b0 ip_deliver(ffff800021237038,ffff800021237044,0,2) at ip_deliver+0x322 ip_ours(ffff800021237038,ffff800021237044,fffffd806d2bf3bc,0) at ip_ours+0x3ba ip_input_if(ffff800021237038,ffff800021237044,4,0,ffff800000689000) at ip_input_if+0x2a1 ipv4_input(ffff800000689000,fffffd806d2bf300) at ipv4_input+0x48 if_input_local(ffff800000689000,fffffd806d2bf300,2) at if_input_local+0x10e ip_output(fffffd806e954000,0,fffffd8079a3b2f0,20,0,fffffd8079a3b278,7bec44fd1b7276de) at ip_output+0xb05 rip_output(fffffd806e954000,fffffd806fbc15c0,ffff800021237290,1) at rip_output+0x2cb end trace frame: 0xffff800021237310, count: 0 ddb{1}> trace db_enter() at db_enter+0x18 panic(ffffffff825a56b6) at panic+0x177 witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 selwakeup(fffffd8079a39328) at selwakeup+0x16 sorwakeup(fffffd8079a39210) at sorwakeup+0xc9 rip_input(ffff800021237038,ffff800021237044,0,2) at rip_input+0x3b0 ip_deliver(ffff800021237038,ffff800021237044,0,2) at ip_deliver+0x322 ip_ours(ffff800021237038,ffff800021237044,fffffd806d2bf3bc,0) at ip_ours+0x3ba ip_input_if(ffff800021237038,ffff800021237044,4,0,ffff800000689000) at ip_input_if+0x2a1 ipv4_input(ffff800000689000,fffffd806d2bf300) at ipv4_input+0x48 if_input_local(ffff800000689000,fffffd806d2bf300,2) at if_input_local+0x10e ip_output(fffffd806e954000,0,fffffd8079a3b2f0,20,0,fffffd8079a3b278,7bec44fd1b7276de) at ip_output+0xb05 rip_output(fffffd806e954000,fffffd806fbc15c0,ffff800021237290,1) at rip_output+0x2cb rip_usrreq(fffffd806fbc15c0,9,fffffd806e954000,0,0,ffff800021213a48) at rip_usrreq+0x49c sosend(fffffd806fbc15c0,0,ffff8000212374a8,0,0,0) at sosend+0x632 dofilewritev(ffff800021213a48,8,ffff8000212374a8,0,ffff8000212375a0) at dofilewritev+0x19c sys_write(ffff800021213a48,ffff800021237548,ffff8000212375a0) at sys_write+0x83 syscall(ffff800021237610) at syscall+0x489 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xde7f0c2b680, count: -20