ook=C>65J.QF:-흧Cp%j`g5mx.$[~ykbϓ]̄cICիC["E ;uvm_fault(0xfffffd806bc09000, 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(0xfffffd806bc09000, 0xb, 0, 1) -> e in_delmulti(ffffffffffffffff) at in_delmulti+0x8d sys/netinet/in.c:914 end trace frame: 0xffff80001d7a5420, count: 0 ddb> trace in_delmulti(ffffffffffffffff) at in_delmulti+0x8d sys/netinet/in.c:914 in_purgeaddr(ffff800000ad7600) at in_purgeaddr+0x156 sys/netinet/in.c:760 in_ifdetach(ffff800000ac5800) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000ac5800) at if_detach+0x140 sys/net/if.c:1039 tun_clone_destroy(ffff800000ac5800) at tun_clone_destroy+0x1c7 sys/net/if_tun.c:326 tun_dev_close(5d01,7) at tun_dev_close+0x160 sys/net/if_tun.c:477 spec_close(ffff80001d7a5600) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd805d78ad00,7,fffffd806c3bfc00,ffff80001d6a99c8) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd805bc65cb8,ffff80001d6a99c8) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd805bc65cb8,ffff80001d6a99c8) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:614 fdrop(fffffd805bc65cb8,ffff80001d6a99c8) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd805bc65cb8,ffff80001d6a99c8) at closef+0x117 sys/kern/kern_descrip.c:1263 fdfree(ffff80001d6a99c8) at fdfree+0x100 sys/kern/kern_descrip.c:1195 exit1(ffff80001d6a99c8,0,19,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff80001d6a99c8,19) at postsig+0x4b2 sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff80001d6a99c8,19) at postsig+0x4b2 sys/kern/kern_sig.c:1415 userret(ffff80001d6a99c8) at userret+0x159 sys/kern/kern_sig.c:1872 syscall(ffff80001d7a5a80) at syscall+0x42e mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff80001d7a5a80) at syscall+0x42e sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff1a80, count: -17 ddb> show registers rdi 0x2 rsi 0 rbp 0xffff80001d7a53d0 rbx 0 rdx 0x3 rcx 0x1 rax 0 r8 0xffffffff818ebc13 rt_ifa_purge+0x153 r9 0x5 r10 0x7ad8e9f0d20bba1d r11 0x5df8e4af29031cab r12 0 r13 0x3 r14 0xffffffffffffffff r15 0x1 rip 0xffffffff81e46f2d in_delmulti+0x8d cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001d7a5370 ss 0x10 in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb> show proc PROC (syz-executor.1) pid=442016 stat=onproc flags process=a proc=2000 pri=32, usrpri=75, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6a9c38,0xffff80001d6aa128 process=0xffff80001d6c4e90 user=0xffff80001d7a0000, vmspace=0xfffffd806bc09000 estcpu=36, cpticks=0, pctcpu=0.2 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 24853 76133 0 0 3 0x14200 acct acct 54426 114699 0 0 3 0x14200 bored sosplice 10415 28869 21366 0 2 0x2 syz-executor.0 21366 34729 90276 0 3 0x82 thrsleep syz-fuzzer 21366 114167 90276 0 2 0x4000082 syz-fuzzer 21366 192746 90276 0 3 0x4000082 thrsleep syz-fuzzer 21366 382956 90276 0 3 0x4000082 thrsleep syz-fuzzer 21366 460629 90276 0 3 0x4000082 thrsleep syz-fuzzer 21366 9088 90276 0 3 0x4000082 thrsleep syz-fuzzer 21366 448643 90276 0 3 0x4000082 thrsleep syz-fuzzer 21366 34799 90276 0 2 0x4000002 syz-fuzzer 90276 196070 69278 0 3 0x10008a pause ksh 69278 117918 21612 0 3 0x92 select sshd 1291 390392 1 0 3 0x100083 ttyin getty 21612 473720 1 0 3 0x80 select sshd 65528 190852 87044 73 3 0x100090 kqread syslogd 87044 64102 1 0 3 0x100082 netio syslogd 37363 268410 1 77 2 0x100090 dhclient 40229 300453 1 0 3 0x80 poll dhclient 42444 509932 0 0 3 0x14200 bored smr 38162 139260 0 0 3 0x14200 pgzero zerothread 17064 447710 0 0 3 0x14200 aiodoned aiodoned 1817 293337 0 0 3 0x14200 syncer update 84113 523262 0 0 3 0x14200 cleaner cleaner 82071 227925 0 0 3 0x14200 reaper reaper 92768 141647 0 0 3 0x14200 pgdaemon pagedaemon 25733 9918 0 0 3 0x14200 bored crynlk 50975 59314 0 0 3 0x14200 bored crypto 6649 152160 0 0 3 0x40014200 acpi0 acpi0 787 105408 0 0 3 0x14200 bored softnet 76651 164771 0 0 2 0x14200 systqmp 82241 327860 0 0 3 0x14200 bored systq 23657 382751 0 0 3 0x40014200 bored softclock 54107 284045 0 0 3 0x40014200 idle0 1 107621 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 9510 6357K 7001K 78643K 13976 0 pcb 13 8K 8K 78643K 290 0 rtable 82 3K 6K 78643K 939 0 ifaddr 97 19K 20K 78643K 397 0 counters 22 16K 16K 78643K 62 0 ioctlops 0 0K 4K 78643K 214 0 iov 0 0K 24K 78643K 182 0 mount 1 1K 1K 78643K 1 0 vnodes 1214 76K 77K 78643K 2457 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 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 277 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 4 9K 25K 78643K 2775 0 sigio 0 0K 0K 78643K 27 0 proc 49 38K 63K 78643K 639 0 subproc 23 1K 2K 78643K 39 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 190 0 in_multi 93 4K 4K 78643K 344 0 ether_multi 1 0K 0K 78643K 70 0 mrt 0 0K 0K 78643K 25 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 310 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 112 87K 123K 78643K 6885 0 UVM aobj 89 3K 4K 78643K 109 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 201 0 NDP 14 0K 0K 78643K 62 0 temp 139 3860K 3936K 78643K 28546 0 kqueue 3 4K 20K 78643K 158 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 9 0 3 1 0 1 1 0 8 0 rtpcb 80 143 0 141 1 0 1 1 0 8 0 rtentry 112 99 0 69 2 0 2 2 0 8 0 unpcb 120 862 0 854 1 0 1 1 0 8 0 syncache 264 16 0 16 2 2 0 1 0 8 0 tcpqe 32 7 0 7 1 1 0 1 0 8 0 tcpcb 544 495 0 491 9 5 4 4 0 8 3 inpcb 296 1616 0 1609 5 3 2 2 0 8 1 rttmr 72 7 0 7 1 1 0 1 0 8 0 nd6 48 23 0 19 1 0 1 1 0 8 0 ppxss 1136 19 0 19 4 3 1 1 0 8 1 pfrktable 1344 150 0 149 1 0 1 1 0 8 0 pftag 88 35 0 34 2 1 1 1 0 8 0 pfqueue 264 20 0 0 2 0 2 2 0 8 0 pfstkey 112 46 0 46 1 1 0 1 0 8 0 pfstate 328 23 0 23 1 1 0 1 0 8 0 pfrule 1360 44 0 37 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 512 0 372 12 1 11 12 0 8 0 art_table 32 513 0 372 2 0 2 2 0 8 0 art_node 16 86 0 57 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 14 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 270 0 260 1 0 1 1 0 8 0 shmpl 112 106 0 20 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 5526 0 4129 88 0 88 88 0 8 0 ffsino 240 5526 0 4129 83 0 83 83 0 8 0 nchpl 144 9127 0 7522 60 0 60 60 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 208 5926 0 0 312 0 312 312 0 8 0 namei 1024 23378 0 23378 1 0 1 1 0 8 1 vcpupl 1984 5 0 0 1 0 1 1 0 8 0 vmpool 528 18 0 13 1 0 1 1 0 8 0 pfiaddrpl 120 44 0 44 2 2 0 1 0 8 0 scxspl 192 29044 0 29044 1 0 1 1 0 8 1 plimitpl 152 171 0 164 1 0 1 1 0 8 0 sigapl 424 2963 0 2934 4 0 4 4 0 8 0 futexpl 56 23991 0 23991 1 0 1 1 0 8 1 knotepl 112 231 0 214 1 0 1 1 0 8 0 kqueuepl 144 286 0 284 1 0 1 1 0 8 0 pipepl 272 190 0 181 1 0 1 1 0 8 0 fdescpl 432 2947 0 2934 2 0 2 2 0 8 0 filepl 120 11025 0 10941 4 0 4 4 0 8 1 lockfpl 104 293 0 292 1 0 1 1 0 8 0 lockfspl 48 140 0 139 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 1911 0 1904 1 0 1 1 0 8 0 zombiepl 144 2935 0 2933 1 0 1 1 0 8 0 processpl 928 2963 0 2933 4 0 4 4 0 8 0 procpl 624 6066 0 6029 4 0 4 4 0 8 0 sosppl 128 53 0 53 3 2 1 1 0 8 1 sockpl 400 2622 0 2605 4 1 3 3 0 8 1 mcl64k 65536 138 0 138 4 4 0 1 0 8 0 mcl16k 16384 29 0 29 2 2 0 1 0 8 0 mcl12k 12288 24 0 24 2 2 0 1 0 8 0 mcl9k 9216 11 0 11 2 2 0 1 0 8 0 mcl8k 8192 105 0 105 3 3 0 1 0 8 0 mcl4k 4096 59 0 59 5 5 0 1 0 8 0 mcl2k2 2112 11 0 11 1 1 0 1 0 8 0 mcl2k 2048 20106 0 20062 12 4 8 9 0 8 1 mtagpl 96 349 0 193 9 1 8 8 0 8 1 mbufpl 256 77172 0 76719 73 15 58 58 0 8 3 bufpl 280 9636 0 4284 383 0 383 383 0 8 0 anonpl 16 226079 0 222564 37 21 16 30 0 107 0 amapchunkpl 152 13902 0 13814 21 16 5 19 0 158 0 amappl16 192 11906 0 11762 12 4 8 8 0 8 0 amappl15 184 2 0 1 1 0 1 1 0 8 0 amappl14 176 24 0 20 1 0 1 1 0 8 0 amappl13 168 1391 0 1387 1 0 1 1 0 8 0 amappl12 160 3 0 3 1 1 0 1 0 8 0 amappl11 152 42 0 33 1 0 1 1 0 8 0 amappl10 144 18 0 13 1 0 1 1 0 8 0 amappl9 136 1398 0 1396 1 0 1 1 0 8 0 amappl8 128 316 0 284 2 0 2 2 0 8 0 amappl7 120 104 0 93 1 0 1 1 0 8 0 amappl6 112 28 0 24 1 0 1 1 0 8 0 amappl5 104 3591 0 3582 1 0 1 1 0 8 0 amappl4 96 1798 0 1771 1 0 1 1 0 8 0 amappl3 88 150 0 143 1 0 1 1 0 8 0 amappl2 80 22830 0 22773 2 0 2 2 0 8 0 amappl1 72 73022 0 72629 24 15 9 17 0 8 0 amappl 80 6315 0 6281 1 0 1 1 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 64 108 0 20 2 0 2 2 0 8 0 uaddrrnd 24 2965 0 2947 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2965 0 2947 1 0 1 1 0 8 0 vmmpekpl 168 15484 0 15453 2 0 2 2 0 8 0 vmmpepl 168 349318 0 348208 83 23 60 69 0 357 2 vmsppl 272 2964 0 2947 3 1 2 2 0 8 0 pdppl 4096 5936 0 5899 7 1 6 6 0 8 1 pvpl 32 744108 0 737709 147 90 57 104 0 265 2 pmappl 200 2964 0 2947 2 0 2 2 0 8 1 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 318 0 44 8 0 8 8 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(ffff800000ad7600) at in_purgeaddr+0x156 sys/netinet/in.c:760 in_ifdetach(ffff800000ac5800) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000ac5800) at if_detach+0x140 sys/net/if.c:1039 tun_clone_destroy(ffff800000ac5800) at tun_clone_destroy+0x1c7 sys/net/if_tun.c:326 tun_dev_close(5d01,7) at tun_dev_close+0x160 sys/net/if_tun.c:477 spec_close(ffff80001d7a5600) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd805d78ad00,7,fffffd806c3bfc00,ffff80001d6a99c8) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd805bc65cb8,ffff80001d6a99c8) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd805bc65cb8,ffff80001d6a99c8) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:614 fdrop(fffffd805bc65cb8,ffff80001d6a99c8) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd805bc65cb8,ffff80001d6a99c8) at closef+0x117 sys/kern/kern_descrip.c:1263 fdfree(ffff80001d6a99c8) at fdfree+0x100 sys/kern/kern_descrip.c:1195 exit1(ffff80001d6a99c8,0,19,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff80001d6a99c8,19) at postsig+0x4b2 sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff80001d6a99c8,19) at postsig+0x4b2 sys/kern/kern_sig.c:1415 userret(ffff80001d6a99c8) at userret+0x159 sys/kern/kern_sig.c:1872 syscall(ffff80001d7a5a80) at syscall+0x42e mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff80001d7a5a80) at syscall+0x42e sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff1a80, count: -17 ddb> machine ddbcpu 1 No such command ddb> trace in_delmulti(ffffffffffffffff) at in_delmulti+0x8d sys/netinet/in.c:914 in_purgeaddr(ffff800000ad7600) at in_purgeaddr+0x156 sys/netinet/in.c:760 in_ifdetach(ffff800000ac5800) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000ac5800) at if_detach+0x140 sys/net/if.c:1039 tun_clone_destroy(ffff800000ac5800) at tun_clone_destroy+0x1c7 sys/net/if_tun.c:326 tun_dev_close(5d01,7) at tun_dev_close+0x160 sys/net/if_tun.c:477 spec_close(ffff80001d7a5600) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd805d78ad00,7,fffffd806c3bfc00,ffff80001d6a99c8) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd805bc65cb8,ffff80001d6a99c8) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd805bc65cb8,ffff80001d6a99c8) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:614 fdrop(fffffd805bc65cb8,ffff80001d6a99c8) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd805bc65cb8,ffff80001d6a99c8) at closef+0x117 sys/kern/kern_descrip.c:1263 fdfree(ffff80001d6a99c8) at fdfree+0x100 sys/kern/kern_descrip.c:1195 exit1(ffff80001d6a99c8,0,19,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff80001d6a99c8,19) at postsig+0x4b2 sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff80001d6a99c8,19) at postsig+0x4b2 sys/kern/kern_sig.c:1415 userret(ffff80001d6a99c8) at userret+0x159 sys/kern/kern_sig.c:1872 syscall(ffff80001d7a5a80) at syscall+0x42e mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff80001d7a5a80) at syscall+0x42e sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff1a80, count: -17