QàmYh fxuϸTRGJG?l5t2iش ]֢":No%fn;3c(Gx{|0`6PƷ PW>,-߽2QàmYh fxuϸTRGJG?l5t2iش ]֢":No%fn;3c(Gx{|0`6PƷ PW>,-߽2QàmYh fxuϸTRGJG?l5t2iش ]֢":No%fn;3c(Gx{|0`6PƷ PW>,-߽2QàmYh fxuϸTRGJG?l5t2iش ]֢":No%fn;3c(Gx{|0`6PƷ PW>,-߽2uvm_fault(0xfffffd80561fe448, 0xb, 0, 1) -> e kernel: page fault trap, code=0 Stopped at in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd80561fe448, 0xb, 0, 1) -> e in_delmulti(ffffffffffffffff) at in_delmulti+0x8d sys/netinet/in.c:914 end trace frame: 0xffff80001d79ce10, count: 0 ddb> trace in_delmulti(ffffffffffffffff) at in_delmulti+0x8d sys/netinet/in.c:914 in_purgeaddr(ffff800000af3900) at in_purgeaddr+0x156 sys/netinet/in.c:760 in_ifdetach(ffff800000ac7800) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000ac7800) at if_detach+0x140 sys/net/if.c:1039 tun_clone_destroy(ffff800000ac7800) at tun_clone_destroy+0x1c7 sys/net/if_tun.c:326 tun_dev_close(5d00,7) at tun_dev_close+0x160 sys/net/if_tun.c:477 spec_close(ffff80001d79cff0) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd8061c1f750,7,fffffd806c3bf780,ffff80001e809b48) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd8057106ad8,ffff80001e809b48) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd8057106ad8,ffff80001e809b48) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:614 fdrop(fffffd8057106ad8,ffff80001e809b48) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd8057106ad8,ffff80001e809b48) at closef+0x117 sys/kern/kern_descrip.c:1263 fdfree(ffff80001e809b48) at fdfree+0x100 sys/kern/kern_descrip.c:1195 exit1(ffff80001e809b48,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff80001e809b48,ffff80001d79d280,ffff80001d79d2d0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80001d79d350) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc0430, count: -16 ddb> show registers rdi 0x2 rsi 0 rbp 0xffff80001d79cdc0 rbx 0 rdx 0 rcx 0x1 rax 0xffff80001e809b48 r8 0xffff800000af3900 r9 0xffffffff817c4993 rt_ifa_purge+0x153 r10 0x5 r11 0x9a4e6dbc3f882255 r12 0 r13 0x3 r14 0xffffffffffffffff r15 0x1 rip 0xffffffff81b5242d in_delmulti+0x8d cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001d79cd60 ss 0x10 in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb> show proc PROC (syz-executor.0) pid=113488 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff80001e808c78,0xffffffff828678e0 process=0xffff80001e82eef0 user=0xffff80001d798000, vmspace=0xfffffd80561fe448 estcpu=30, cpticks=0, pctcpu=0.4 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 13937 224671 0 0 3 0x14280 nfsidl nfsio 82255 405434 0 0 3 0x14280 nfsidl nfsio 67818 109131 0 0 3 0x14280 nfsidl nfsio 36850 295748 0 0 3 0x14280 nfsidl nfsio 76754 513662 0 0 3 0x14280 nfsidl nfsio 48178 508312 0 0 3 0x14280 nfsidl nfsio 48835 405132 0 0 3 0x14280 nfsidl nfsio 27134 127305 0 0 3 0x14280 nfsidl nfsio 40392 96723 0 0 3 0x14280 nfsidl nfsio 27924 506785 0 0 3 0x14280 nfsidl nfsio 20493 475915 0 0 3 0x14280 nfsidl nfsio 10648 202774 0 0 3 0x14280 nfsidl nfsio 69469 199417 0 0 3 0x14280 nfsidl nfsio 8956 345366 0 0 3 0x14280 nfsidl nfsio 44871 315570 0 0 3 0x14280 nfsidl nfsio 79637 101815 0 0 3 0x14280 nfsidl nfsio 81132 92816 0 0 3 0x14280 nfsidl nfsio 51182 382570 0 0 3 0x14280 nfsidl nfsio 67428 270812 0 0 3 0x14280 nfsidl nfsio 91835 190895 0 0 3 0x14280 nfsidl nfsio 48253 245691 0 0 3 0x14200 bored sosplice 77365 308868 19856 0 3 0x82 piperd syz-executor.1 19856 414603 54822 0 2 0x2 syz-fuzzer 19856 57314 54822 0 3 0x4000082 nanosleep syz-fuzzer 19856 59106 54822 0 3 0x4000082 thrsleep syz-fuzzer 19856 251760 54822 0 3 0x4000082 thrsleep syz-fuzzer 19856 65362 54822 0 3 0x4000082 thrsleep syz-fuzzer 19856 159145 54822 0 3 0x4000082 thrsleep syz-fuzzer 54822 50942 64570 0 3 0x10008a pause ksh 64570 125529 67777 0 3 0x92 select sshd 37314 129829 1 0 3 0x100083 ttyin getty 67777 426872 1 0 3 0x80 select sshd 1899 404019 62624 73 3 0x100090 kqread syslogd 62624 289533 1 0 3 0x100082 netio syslogd 91471 127948 1 77 2 0x100090 dhclient 44645 303984 1 0 3 0x80 poll dhclient 29539 322125 0 0 3 0x14200 bored smr 29439 125581 0 0 2 0x14200 zerothread 61910 523029 0 0 3 0x14200 aiodoned aiodoned 37866 124326 0 0 3 0x14200 syncer update 70468 96607 0 0 3 0x14200 cleaner cleaner 66113 80140 0 0 3 0x14200 reaper reaper 78554 95306 0 0 3 0x14200 pgdaemon pagedaemon 86856 370781 0 0 3 0x14200 bored crynlk 87002 88650 0 0 3 0x14200 bored crypto 10469 320037 0 0 3 0x40014200 acpi0 acpi0 12548 403767 0 0 3 0x14200 bored softnet 36998 38661 0 0 2 0x14200 systqmp 79772 161476 0 0 3 0x14200 bored systq 813 73869 0 0 3 0x40014200 bored softclock 20111 58628 0 0 3 0x40014200 idle0 1 435602 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9493 6348K 6670K 78643K 11090 0 pcb 13 8K 8K 78643K 94 0 rtable 113 6K 10K 78643K 462 0 ifaddr 80 16K 18K 78643K 172 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 29 0 ioctlops 0 0K 4K 78643K 79 0 iov 0 0K 16K 78643K 341 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1378 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 14 0 VM map 2 0K 0K 78643K 2 0 sem 12 1K 1K 78643K 28 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 4 9K 25K 78643K 544 0 sigio 0 0K 0K 78643K 18 0 proc 49 38K 54K 78643K 382 0 subproc 23 1K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 38 0 in_multi 67 3K 3K 78643K 169 0 ether_multi 1 0K 0K 78643K 14 0 mrt 1 0K 0K 78643K 12 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 213 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 142 88K 88K 78643K 2096 0 UVM aobj 40 2K 2K 78643K 46 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 64 0 NDP 11 0K 0K 78643K 33 0 temp 115 3864K 3932K 78643K 7527 0 kqueue 3 4K 14K 78643K 31 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 8 0 3 1 0 1 1 0 8 0 rtpcb 88 57 0 55 1 0 1 1 0 8 0 rtentry 112 77 0 36 2 0 2 2 0 8 0 unpcb 120 159 0 151 1 0 1 1 0 8 0 syncache 272 11 0 11 2 2 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 592 673 0 669 6 5 1 5 0 8 0 ipq 40 3 0 3 2 2 0 1 0 8 0 ipqe 40 10 0 10 2 2 0 1 0 8 0 inpcb 296 998 0 991 5 3 2 2 0 8 1 rttmr 72 4 0 4 2 2 0 1 0 8 0 nd6 48 21 0 17 1 0 1 1 0 8 0 pkpcb 40 12 0 12 1 1 0 1 0 8 0 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1136 2 0 2 1 1 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pfrke_plain 160 4 0 4 1 1 0 1 0 8 0 pfrktable 1344 52 0 48 5 3 2 2 0 8 1 pftag 88 10 0 10 3 2 1 1 0 8 1 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 112 6 0 4 2 1 1 1 0 8 0 pfstate 328 3 0 2 2 1 1 1 0 8 0 pfrule 1360 16 0 12 3 2 1 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 233 0 42 13 0 13 13 0 8 0 art_table 32 235 0 42 2 0 2 2 0 8 0 art_node 16 76 0 33 1 0 1 1 0 8 0 sysvmsgpl 40 28 0 12 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 10 0 0 1 0 1 1 0 8 0 shmpl 112 43 0 6 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2047 0 651 88 0 88 88 0 8 0 ffsino 240 2047 0 651 83 0 83 83 0 8 0 nchpl 144 3185 0 1590 60 0 60 60 0 8 0 rtmask 32 8 0 8 1 1 0 1 0 8 0 uvmvnodes 72 2206 0 0 41 0 41 41 0 8 0 vnodes 208 2206 0 0 117 0 117 117 0 8 0 namei 1024 8033 0 8033 1 0 1 1 0 8 1 vcpupl 1984 7 0 0 1 0 1 1 0 8 0 vmpool 528 7 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 14 0 14 3 2 1 1 0 8 1 scxspl 200 8542 0 8542 1 0 1 1 0 8 1 plimitpl 152 65 0 58 1 0 1 1 0 8 0 sigapl 424 751 0 703 6 0 6 6 0 8 0 futexpl 56 11155 0 11155 1 0 1 1 0 8 1 knotepl 112 97 0 79 1 0 1 1 0 8 0 kqueuepl 152 72 0 70 1 0 1 1 0 8 0 pipepl 272 131 0 121 3 2 1 2 0 8 0 fdescpl 432 716 0 703 2 0 2 2 0 8 0 filepl 120 4239 0 4153 4 0 4 4 0 8 1 lockfpl 104 114 0 113 1 0 1 1 0 8 0 lockfspl 48 39 0 38 1 0 1 1 0 8 0 sessionpl 120 17 0 7 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 385 0 378 1 0 1 1 0 8 0 zombiepl 144 704 0 703 1 0 1 1 0 8 0 processpl 944 751 0 703 7 0 7 7 0 8 0 procpl 632 1354 0 1301 5 0 5 5 0 8 0 sosppl 144 13 0 13 3 3 0 1 0 8 0 sockpl 400 1227 0 1210 3 0 3 3 0 8 1 mcl64k 65536 42 0 42 5 5 0 1 0 8 0 mcl16k 16384 7 0 7 2 2 0 1 0 8 0 mcl12k 12288 18 0 18 4 4 0 1 0 8 0 mcl9k 9216 9 0 9 4 4 0 1 0 8 0 mcl8k 8192 25 0 25 6 6 0 1 0 8 0 mcl4k 4096 55 0 55 5 4 1 1 0 8 1 mcl2k2 2112 4 0 4 3 3 0 1 0 8 0 mcl2k 2048 95171 0 95127 16 10 6 12 0 8 0 mtagpl 96 41 0 30 2 1 1 1 0 8 0 mbufpl 256 153694 0 153504 26 8 18 20 0 8 0 bufpl 280 5318 0 116 372 0 372 372 0 8 0 anonpl 16 93861 0 75743 111 28 83 97 0 107 0 amapchunkpl 152 4729 0 4539 45 36 9 22 0 158 0 amappl16 192 4060 0 3008 72 19 53 65 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 1 0 0 1 0 1 1 0 8 0 amappl13 168 34 0 31 1 0 1 1 0 8 0 amappl12 160 194 0 191 1 0 1 1 0 8 0 amappl11 152 56 0 46 1 0 1 1 0 8 0 amappl10 144 360 0 354 1 0 1 1 0 8 0 amappl9 136 350 0 348 1 0 1 1 0 8 0 amappl8 128 305 0 271 2 0 2 2 0 8 0 amappl7 120 445 0 432 1 0 1 1 0 8 0 amappl6 112 26 0 22 1 0 1 1 0 8 0 amappl5 104 830 0 818 1 0 1 1 0 8 0 amappl4 96 433 0 404 1 0 1 1 0 8 0 amappl3 88 143 0 134 1 0 1 1 0 8 0 amappl2 80 4921 0 4859 2 0 2 2 0 8 0 amappl1 72 24673 0 24265 22 13 9 17 0 8 0 amappl 80 1605 0 1546 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 45 0 6 1 0 1 1 0 8 0 uaddrrnd 24 723 0 703 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 723 0 703 1 0 1 1 0 8 0 vmmpekpl 168 7687 0 7659 2 0 2 2 0 8 0 vmmpepl 168 93745 0 91648 130 34 96 113 0 357 1 vmsppl 272 722 0 703 2 0 2 2 0 8 0 pdppl 4096 1452 0 1413 7 1 6 6 0 8 0 pvpl 32 281091 0 259857 296 70 226 265 0 265 39 pmappl 200 722 0 703 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 272 0 44 7 0 7 7 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace in_delmulti(ffffffffffffffff) at in_delmulti+0x8d sys/netinet/in.c:914 in_purgeaddr(ffff800000af3900) at in_purgeaddr+0x156 sys/netinet/in.c:760 in_ifdetach(ffff800000ac7800) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000ac7800) at if_detach+0x140 sys/net/if.c:1039 tun_clone_destroy(ffff800000ac7800) at tun_clone_destroy+0x1c7 sys/net/if_tun.c:326 tun_dev_close(5d00,7) at tun_dev_close+0x160 sys/net/if_tun.c:477 spec_close(ffff80001d79cff0) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd8061c1f750,7,fffffd806c3bf780,ffff80001e809b48) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd8057106ad8,ffff80001e809b48) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd8057106ad8,ffff80001e809b48) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:614 fdrop(fffffd8057106ad8,ffff80001e809b48) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd8057106ad8,ffff80001e809b48) at closef+0x117 sys/kern/kern_descrip.c:1263 fdfree(ffff80001e809b48) at fdfree+0x100 sys/kern/kern_descrip.c:1195 exit1(ffff80001e809b48,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff80001e809b48,ffff80001d79d280,ffff80001d79d2d0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80001d79d350) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc0430, count: -16 ddb> machine ddbcpu 1 No such command ddb> trace in_delmulti(ffffffffffffffff) at in_delmulti+0x8d sys/netinet/in.c:914 in_purgeaddr(ffff800000af3900) at in_purgeaddr+0x156 sys/netinet/in.c:760 in_ifdetach(ffff800000ac7800) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000ac7800) at if_detach+0x140 sys/net/if.c:1039 tun_clone_destroy(ffff800000ac7800) at tun_clone_destroy+0x1c7 sys/net/if_tun.c:326 tun_dev_close(5d00,7) at tun_dev_close+0x160 sys/net/if_tun.c:477 spec_close(ffff80001d79cff0) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd8061c1f750,7,fffffd806c3bf780,ffff80001e809b48) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd8057106ad8,ffff80001e809b48) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd8057106ad8,ffff80001e809b48) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:614 fdrop(fffffd8057106ad8,ffff80001e809b48) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd8057106ad8,ffff80001e809b48) at closef+0x117 sys/kern/kern_descrip.c:1263 fdfree(ffff80001e809b48) at fdfree+0x100 sys/kern/kern_descrip.c:1195 exit1(ffff80001e809b48,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff80001e809b48,ffff80001d79d280,ffff80001d79d2d0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80001d79d350) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc0430, count: -16