panic: pool_do_get: mbufpl free list modified: page 0xfffffd806d696000; item addr 0xfffffd806d696d00; offset 0x0=0x0 != 0xbf87b64bbef4ef19 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 158230 79243 0 0 0 1 syz-executor.0 *173429 79243 0 0 0x4000000 0 syz-executor.0 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff824996d9) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828d9a80,2,ffff800023103cd8) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828d9a80,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 ip_fragment(fffffd80777df200,ffff80000017c2a8,5b4) at ip_fragment+0x13a sys/netinet/ip_output.c:680 ip_output(fffffd80777df200,0,fffffd806f6892c0,20,0,fffffd806f689250) at ip_output+0xfd7 sys/netinet/ip_output.c:499 rip_output(fffffd80777df200,fffffd80684ef030,ffff800023103fb8,ffff8000220e9000) at rip_output+0x252 sys/netinet/raw_ip.c:289 rip_usrreq(fffffd80684ef030,9,fffffd80777df200,0,0,ffff8000231059e8) at rip_usrreq+0x46a sys/netinet/raw_ip.c:538 sosend(fffffd80684ef030,0,ffff800023104130,0,0,0) at sosend+0x671 sys/kern/uipc_socket.c:555 sendit(ffff8000231059e8,9,ffff800023104210,0,ffff8000231042f0) at sendit+0x52b sys/kern/uipc_syscalls.c:657 sys_sendto(ffff8000231059e8,ffff8000231042a8,ffff8000231042f0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 syscall(ffff800023104370) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023104370) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb3e2e533f70, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic pool_do_get: mbufpl free list modified: page 0xfffffd806d696000; item addr 0xfffffd806d696d00; offset 0x0=0x0 != 0xbf87b64bbef4ef19 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff824996d9) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828d9a80,2,ffff800023103cd8) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828d9a80,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 ip_fragment(fffffd80777df200,ffff80000017c2a8,5b4) at ip_fragment+0x13a sys/netinet/ip_output.c:680 ip_output(fffffd80777df200,0,fffffd806f6892c0,20,0,fffffd806f689250) at ip_output+0xfd7 sys/netinet/ip_output.c:499 rip_output(fffffd80777df200,fffffd80684ef030,ffff800023103fb8,ffff8000220e9000) at rip_output+0x252 sys/netinet/raw_ip.c:289 rip_usrreq(fffffd80684ef030,9,fffffd80777df200,0,0,ffff8000231059e8) at rip_usrreq+0x46a sys/netinet/raw_ip.c:538 sosend(fffffd80684ef030,0,ffff800023104130,0,0,0) at sosend+0x671 sys/kern/uipc_socket.c:555 sendit(ffff8000231059e8,9,ffff800023104210,0,ffff8000231042f0) at sendit+0x52b sys/kern/uipc_syscalls.c:657 sys_sendto(ffff8000231059e8,ffff8000231042a8,ffff8000231042f0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 syscall(ffff800023104370) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023104370) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb3e2e533f70, count: -14 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800023103b20 rbx 0xffff800023103bd0 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff8150d54f kprintf+0x16f r9 0x1 r10 0x2 r11 0x33b41c2d6103f2f0 r12 0x3000000008 r13 0xffff800023103b30 r14 0x100 r15 0x1 rip 0xffffffff818b9b58 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800023103b10 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.0) pid=173429 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800023106888,0xffff800023106b08 process=0xffff800020df1370 user=0xffff8000230ff000, vmspace=0xfffffd807effe450 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 79243 158230 15708 0 7 0 syz-executor.0 *79243 173429 15708 0 7 0x4000000 syz-executor.0 79243 297268 15708 0 3 0x4000080 fsleep syz-executor.0 40620 260032 0 0 3 0x14200 bored sosplice 21106 276664 0 0 3 0x14200 acct acct 15708 455557 88499 0 3 0x82 nanosleep syz-executor.0 7087 174405 0 0 3 0x14280 nfsidl nfsio 23734 326643 0 0 3 0x14280 nfsidl nfsio 38765 220383 0 0 3 0x14280 nfsidl nfsio 34853 197052 0 0 3 0x14280 nfsidl nfsio 4725 73238 0 0 3 0x14280 nfsidl nfsio 22249 342376 0 0 3 0x14280 nfsidl nfsio 11895 256495 0 0 3 0x14280 nfsidl nfsio 70525 478548 0 0 3 0x14280 nfsidl nfsio 72326 185227 0 0 3 0x14280 nfsidl nfsio 22158 498735 0 0 3 0x14280 nfsidl nfsio 24709 92660 0 0 3 0x14280 nfsidl nfsio 88787 277669 0 0 3 0x14280 nfsidl nfsio 5309 78864 0 0 3 0x14280 nfsidl nfsio 70995 39715 0 0 3 0x14280 nfsidl nfsio 25673 437022 0 0 3 0x14280 nfsidl nfsio 58015 117819 0 0 3 0x14280 nfsidl nfsio 31703 371120 0 0 3 0x14280 nfsidl nfsio 31928 398629 0 0 3 0x14280 nfsidl nfsio 75440 498879 0 0 3 0x14280 nfsidl nfsio 88859 357635 0 0 3 0x14280 nfsidl nfsio 62216 389702 88499 0 3 0x82 piperd syz-executor.1 88499 431753 66942 0 3 0x82 thrsleep syz-fuzzer 88499 438808 66942 0 3 0x4000082 nanosleep syz-fuzzer 88499 243206 66942 0 3 0x4000082 thrsleep syz-fuzzer 88499 39090 66942 0 3 0x4000082 thrsleep syz-fuzzer 88499 439374 66942 0 3 0x4000082 kqread syz-fuzzer 88499 242252 66942 0 3 0x4000082 thrsleep syz-fuzzer 88499 301138 66942 0 3 0x4000082 thrsleep syz-fuzzer 88499 119972 66942 0 3 0x4000082 thrsleep syz-fuzzer 88499 321630 66942 0 2 0x4000002 syz-fuzzer 88499 122788 66942 0 3 0x4000082 thrsleep syz-fuzzer 66942 140654 6906 0 3 0x10008a pause ksh 6906 118448 87945 0 3 0x92 select sshd 6113 471914 1 0 3 0x100083 ttyin getty 87945 401561 1 0 3 0x80 select sshd 1462 194061 48720 74 3 0x100092 bpf pflogd 48720 511110 1 0 3 0x80 netio pflogd 10767 328472 42302 73 3 0x100090 kqread syslogd 42302 23303 1 0 3 0x100082 netio syslogd 38451 431999 1 77 3 0x100090 poll dhclient 92718 333803 1 0 3 0x80 poll dhclient 55870 114346 0 0 3 0x14200 bored smr 3847 18637 0 0 2 0x14200 zerothread 15851 131288 0 0 3 0x14200 aiodoned aiodoned 50000 23674 0 0 3 0x14200 syncer update 93521 320633 0 0 3 0x14200 cleaner cleaner 16720 424397 0 0 3 0x14200 reaper reaper 48685 427528 0 0 3 0x14200 pgdaemon pagedaemon 98245 164840 0 0 3 0x14200 bored crynlk 37871 2417 0 0 3 0x14200 bored crypto 70685 55799 0 0 3 0x40014200 acpi0 acpi0 50487 63569 0 0 3 0x40014200 idle1 81086 375890 0 0 3 0x14200 bored softnet 85853 524212 0 0 3 0x14200 bored systqmp 46742 16472 0 0 3 0x14200 bored systq 18654 111124 0 0 3 0x40014200 bored softclock 55867 29319 0 0 3 0x40014200 idle0 1 357678 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex mbufpl r = 0 (0xffffffff828d9a90) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbf sys/kern/subr_pool.c:578 #4 m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 #5 ip_fragment+0x13a sys/netinet/ip_output.c:680 #6 ip_output+0xfd7 sys/netinet/ip_output.c:499 #7 rip_output+0x252 sys/netinet/raw_ip.c:289 #8 rip_usrreq+0x46a sys/netinet/raw_ip.c:538 #9 sosend+0x671 sys/kern/uipc_socket.c:555 #10 sendit+0x52b sys/kern/uipc_syscalls.c:657 #11 sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 #12 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #12 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #13 Xsyscall+0x128 Process 79243 (syz-executor.0) thread 0xffff8000231059e8 (173429) exclusive rwlock netlock r = 0 (0xffffffff8273b8d8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sosend+0x559 sys/kern/uipc_socket.c:543 #3 sendit+0x52b sys/kern/uipc_syscalls.c:657 #4 sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #6 Xsyscall+0x128 exclusive mutex mbufpl r = 0 (0xffffffff828d9a90) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbf sys/kern/subr_pool.c:578 #4 m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 #5 ip_fragment+0x13a sys/netinet/ip_output.c:680 #6 ip_output+0xfd7 sys/netinet/ip_output.c:499 #7 rip_output+0x252 sys/netinet/raw_ip.c:289 #8 rip_usrreq+0x46a sys/netinet/raw_ip.c:538 #9 sosend+0x671 sys/kern/uipc_socket.c:555 #10 sendit+0x52b sys/kern/uipc_syscalls.c:657 #11 sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 #12 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #12 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #13 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9514 6414K 6995K 78643K 11380 0 pcb 13 8K 8K 78643K 65 0 rtable 106 7K 9K 78643K 412 0 ifaddr 80 16K 16K 78643K 150 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 55 0 ioctlops 0 0K 4K 78643K 1558 0 iov 0 0K 24K 78643K 51 0 mount 1 1K 1K 78643K 1 0 vnodes 1226 77K 77K 78643K 1474 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 10 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 158 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 546 0 sigio 0 0K 0K 78643K 5 0 proc 61 63K 95K 78643K 516 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 32 0 in_multi 44 2K 2K 78643K 94 0 ether_multi 1 0K 0K 78643K 7 0 mrt 0 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 250 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 133 55K 56K 78643K 2713 0 UVM aobj 26 6K 6K 78643K 26 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 31 0 NDP 12 0K 0K 78643K 28 0 temp 131 3869K 3935K 78643K 9183 0 kqueue 3 4K 8K 78643K 20 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 9 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 41 0 39 1 0 1 1 0 8 0 rtentry 112 62 0 26 2 0 2 2 0 8 0 unpcb 120 739 0 728 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 tcpqe 32 20 0 20 1 1 0 1 0 8 0 tcpcb 544 138 0 134 2 0 2 2 0 8 1 inpcb 296 857 0 845 3 1 2 2 0 8 1 nd6 48 14 0 8 1 0 1 1 0 8 0 pkpcb 40 10 0 10 2 1 1 1 0 8 1 ppxss 1136 2 0 2 1 1 0 1 0 8 0 pfstscr 40 4 0 4 2 2 0 1 0 8 0 pffrag 232 3 0 2 3 2 1 1 0 482 0 pffrnode 88 3 0 2 3 2 1 1 0 8 0 pffrent 40 7 0 6 3 2 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 pfrktable 1344 53 0 46 2 1 1 2 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 264 2 0 2 1 1 0 1 0 8 0 pfstitem 24 16 0 7 1 0 1 1 0 8 0 pfstkey 112 23 0 14 1 0 1 1 0 8 0 pfstate 328 20 0 11 2 0 2 2 0 8 0 pfrule 1360 34 0 23 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 233 0 85 12 1 11 12 0 8 0 art_table 32 234 0 85 2 0 2 2 0 8 0 art_node 16 61 0 31 1 0 1 1 0 8 0 sysvmsgpl 40 27 0 21 1 0 1 1 0 8 0 semapl 112 156 0 146 1 0 1 1 0 8 0 shmpl 112 23 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2082 0 674 90 1 89 89 0 8 0 ffsino 272 2082 0 674 95 0 95 95 0 8 0 nchpl 144 3185 0 1599 60 0 60 60 0 8 0 uvmvnodes 72 2322 0 0 43 0 43 43 0 8 0 vnodes 208 2322 0 0 123 0 123 123 0 8 0 namei 1024 8491 0 8491 1 0 1 1 0 8 1 percpumem 16 38 0 6 1 0 1 1 0 8 0 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 560 6 0 2 1 0 1 1 0 8 0 pfiaddrpl 120 18 0 14 1 0 1 1 0 8 0 scxspl 192 9855 0 9855 12 9 3 7 0 8 3 plimitpl 152 50 0 42 1 0 1 1 0 8 0 sigapl 424 780 0 727 7 0 7 7 0 8 1 futexpl 56 7517 0 7516 2 1 1 1 0 8 0 knotepl 112 96 0 77 1 0 1 1 0 8 0 kqueuepl 144 65 0 63 1 0 1 1 0 8 0 pipepl 304 183 0 173 5 3 2 2 0 8 1 fdescpl 496 743 0 727 3 0 3 3 0 8 0 filepl 152 4635 0 4530 7 1 6 6 0 8 1 lockfpl 104 100 0 99 1 0 1 1 0 8 0 lockfspl 48 37 0 36 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 23 0 12 1 0 1 1 0 8 0 ucredpl 96 476 0 466 1 0 1 1 0 8 0 zombiepl 144 727 0 727 3 2 1 1 0 8 1 processpl 992 780 0 727 8 1 7 7 0 8 0 procpl 624 1871 0 1807 6 0 6 6 0 8 0 sosppl 128 2 0 2 1 1 0 1 0 8 0 sockpl 400 1647 0 1623 8 4 4 4 0 8 1 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 8 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 11 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 181 0 0 22 0 22 22 0 8 0 mtagpl 96 33 0 0 1 0 1 1 0 8 0 mbufpl 256 186 0 0 11 0 11 11 0 8 0 mbufpl: pool(0xffffffff828d9a80:mbufpl): free list modified: page 0xfffffd806d696000; item ordinal 0; addr 0xfffffd806d696d00 (p 0xfffffd8077978000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd806d696000; item ordinal 0; addr 0xfffffd806d696d00 (p 0xfffffd8077978000); offset 0x0=0x0 mbufpl: pool(0xffffffff828d9a80:mbufpl): page inconsistency: page 0xfffffd806d696000; item ordinal 1; addr 0x7b113cbcb2e3f102 bufpl 280 4601 0 134 320 0 320 320 0 8 0 anonpl 16 96504 0 79436 86 10 76 85 0 124 5 amapchunkpl 152 4655 0 4495 15 5 10 12 0 158 1 amappl16 192 3605 0 2671 58 10 48 58 0 8 1 amappl15 184 3 0 2 2 1 1 1 0 8 0 amappl14 176 281 0 273 1 0 1 1 0 8 0 amappl13 168 36 0 33 1 0 1 1 0 8 0 amappl12 160 5 0 5 1 1 0 1 0 8 0 amappl11 152 87 0 71 1 0 1 1 0 8 0 amappl10 144 18 0 11 1 0 1 1 0 8 0 amappl9 136 642 0 638 1 0 1 1 0 8 0 amappl8 128 389 0 350 2 0 2 2 0 8 0 amappl7 120 125 0 112 1 0 1 1 0 8 0 amappl6 112 27 0 23 1 0 1 1 0 8 0 amappl5 104 605 0 588 1 0 1 1 0 8 0 amappl4 96 543 0 511 1 0 1 1 0 8 0 amappl3 88 374 0 368 1 0 1 1 0 8 0 amappl2 80 4954 0 4882 2 0 2 2 0 8 0 amappl1 72 30977 0 30520 24 14 10 18 0 8 0 amappl 80 2142 0 2094 2 0 2 2 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 25 0 0 1 0 1 1 0 8 0 uaddrrnd 24 749 0 729 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 749 0 729 1 0 1 1 0 8 0 vmmpekpl 168 9455 0 9410 3 0 3 3 0 8 0 vmmpepl 168 103261 0 101120 164 60 104 128 0 357 9 vmsppl 368 748 0 729 2 0 2 2 0 8 0 pdppl 4096 1505 0 1462 7 1 6 6 0 8 0 pvpl 32 293771 0 273462 201 11 190 199 0 265 23 pmappl 232 748 0 729 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 269 0 10 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff824996d9) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828d9a80,2,ffff800023103cd8) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828d9a80,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 ip_fragment(fffffd80777df200,ffff80000017c2a8,5b4) at ip_fragment+0x13a sys/netinet/ip_output.c:680 ip_output(fffffd80777df200,0,fffffd806f6892c0,20,0,fffffd806f689250) at ip_output+0xfd7 sys/netinet/ip_output.c:499 rip_output(fffffd80777df200,fffffd80684ef030,ffff800023103fb8,ffff8000220e9000) at rip_output+0x252 sys/netinet/raw_ip.c:289 rip_usrreq(fffffd80684ef030,9,fffffd80777df200,0,0,ffff8000231059e8) at rip_usrreq+0x46a sys/netinet/raw_ip.c:538 sosend(fffffd80684ef030,0,ffff800023104130,0,0,0) at sosend+0x671 sys/kern/uipc_socket.c:555 sendit(ffff8000231059e8,9,ffff800023104210,0,ffff8000231042f0) at sendit+0x52b sys/kern/uipc_syscalls.c:657 sys_sendto(ffff8000231059e8,ffff8000231042a8,ffff8000231042f0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 syscall(ffff800023104370) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023104370) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb3e2e533f70, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d70ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 uvm_map_inentry(ffff800023106888,ffff800023106900,b3b959014ea,ffffffff82422237,ffffffff8163f360,1e) at uvm_map_inentry+0x2d sys/uvm/uvm_map.c:1884 syscall(ffff800021ee8000) at syscall+0x3dc mi_syscall sys/sys/syscall_mi.h:87 [inline] syscall(ffff800021ee8000) at syscall+0x3dc sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc31f0, count: 9 ddb{1}> trace x86_ipi_db(ffff800020d70ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 uvm_map_inentry(ffff800023106888,ffff800023106900,b3b959014ea,ffffffff82422237,ffffffff8163f360,1e) at uvm_map_inentry+0x2d sys/uvm/uvm_map.c:1884 syscall(ffff800021ee8000) at syscall+0x3dc mi_syscall sys/sys/syscall_mi.h:87 [inline] syscall(ffff800021ee8000) at syscall+0x3dc sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc31f0, count: -6