ook=C>65J.QF:-흧Cp%j`g5mx.$[~ykbϓ]̄cICիC["E ;ukernel: page fault trap, code=0 Stopped at in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd807efff8a0, 0x1000b, 0, 1) -> e in_delmulti(ffff) at in_delmulti+0x8d sys/netinet/in.c:914 end trace frame: 0xffff80002290a780, count: 0 ddb{1}> trace in_delmulti(ffff) at in_delmulti+0x8d sys/netinet/in.c:914 in_purgeaddr(ffff800000b42c00) at in_purgeaddr+0x156 sys/netinet/in.c:760 in_ifdetach(ffff800000af4000) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000af4000) at if_detach+0x140 sys/net/if.c:1039 tun_clone_destroy(ffff800000af4000) at tun_clone_destroy+0x1e1 sys/net/if_tun.c:326 tun_dev_close(5d01,7) at tun_dev_close+0x160 sys/net/if_tun.c:477 spec_close(ffff80002290a960) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd806e7d0278,7,fffffd807f7bf900,ffff800020ddc758) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd806cac9ac0,ffff800020ddc758) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806cac9ac0,ffff800020ddc758) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 fdrop(fffffd806cac9ac0,ffff800020ddc758) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd806cac9ac0,ffff800020ddc758) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff800020ddc758) at fdfree+0x101 sys/kern/kern_descrip.c:1195 exit1(ffff800020ddc758,0,19,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff800020ddc758,19) at postsig+0x4ed sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff800020ddc758,19) at postsig+0x4ed sys/kern/kern_sig.c:1415 userret(ffff800020ddc758) at userret+0x199 sys/kern/kern_sig.c:1872 syscall(ffff80002290ade0) at syscall+0x55f mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff80002290ade0) at syscall+0x55f sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe0270, count: -17 ddb{1}> show registers rdi 0x2 rsi 0 rbp 0xffff80002290a730 rbx 0 rdx 0xffff800020ddc758 rcx 0 rax 0 r8 0xffffffff81cac183 rt_ifa_purge+0x153 r9 0x5 r10 0x3 r11 0x23ef1e385aeb5c9a r12 0 r13 0x8da1216f __kernel_virt_to_phys+0xda1216f r14 0xffff __ALIGN_SIZE+0xefff r15 0x1 rip 0xffffffff81924d1d in_delmulti+0x8d cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002290a6d0 ss 0x10 in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb{1}> show proc PROC (syz-executor.1) pid=60372 stat=onproc flags process=a proc=2000 pri=32, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff800020ddc008,0xffff800020e0a138 process=0xffff800020df1b30 user=0xffff800022905000, vmspace=0xfffffd807efff8a0 estcpu=36, cpticks=0, pctcpu=0.41 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 34501 132241 0 0 3 0x14200 acct acct 65067 154929 1 0 3 0x100083 ttyin getty 70413 162701 0 0 3 0x14280 nfsidl nfsio 48617 158376 0 0 3 0x14280 nfsidl nfsio 94568 211413 0 0 3 0x14280 nfsidl nfsio 40619 123489 0 0 3 0x14280 nfsidl nfsio 82896 505870 0 0 3 0x14280 nfsidl nfsio 9513 107525 0 0 3 0x14280 nfsidl nfsio 54034 321827 0 0 3 0x14280 nfsidl nfsio 85879 421036 0 0 3 0x14280 nfsidl nfsio 29894 157782 0 0 3 0x14280 nfsidl nfsio 44981 262280 0 0 3 0x14280 nfsidl nfsio 7103 492800 0 0 3 0x14280 nfsidl nfsio 40501 127843 0 0 3 0x14280 nfsidl nfsio 11304 468511 0 0 3 0x14280 nfsidl nfsio 94934 9375 0 0 3 0x14280 nfsidl nfsio 16174 250475 0 0 3 0x14280 nfsidl nfsio 45347 477316 0 0 3 0x14280 nfsidl nfsio 53378 108365 0 0 3 0x14280 nfsidl nfsio 34449 218121 0 0 3 0x14280 nfsidl nfsio 45369 171056 0 0 3 0x14280 nfsidl nfsio 36128 341642 0 0 3 0x14280 nfsidl nfsio 25510 372296 0 0 3 0x14200 bored sosplice 47390 212902 62980 0 3 0x82 piperd syz-executor.0 62980 85624 3804 0 3 0x82 thrsleep syz-fuzzer 62980 53656 3804 0 2 0x4000002 syz-fuzzer 62980 394192 3804 0 3 0x4000082 thrsleep syz-fuzzer 62980 456933 3804 0 3 0x4000082 thrsleep syz-fuzzer 62980 412853 3804 0 2 0x4000002 syz-fuzzer 62980 444290 3804 0 3 0x4000082 thrsleep syz-fuzzer 62980 303989 3804 0 3 0x4000082 kqread syz-fuzzer 62980 269557 3804 0 3 0x4000082 thrsleep syz-fuzzer 3804 280308 22325 0 3 0x10008a pause ksh 22325 25017 80735 0 3 0x92 select sshd 80735 135402 1 0 3 0x80 select sshd 63801 361226 39256 74 3 0x100092 bpf pflogd 39256 374954 1 0 3 0x80 netio pflogd 37283 260058 65095 73 3 0x100090 kqread syslogd 65095 348768 1 0 3 0x100082 netio syslogd 87256 427795 1 77 7 0x100090 dhclient 14818 344694 1 0 3 0x80 poll dhclient 3049 140818 0 0 3 0x14200 bored smr 58878 379016 0 0 3 0x14200 pgzero zerothread 67446 294078 0 0 3 0x14200 aiodoned aiodoned 89677 498397 0 0 3 0x14200 syncer update 92200 375920 0 0 3 0x14200 cleaner cleaner 18813 259904 0 0 3 0x14200 reaper reaper 53531 270570 0 0 3 0x14200 pgdaemon pagedaemon 42524 191951 0 0 3 0x14200 bored crynlk 49351 508441 0 0 3 0x14200 bored crypto 72370 326981 0 0 3 0x40014200 acpi0 acpi0 21726 258697 0 0 3 0x40014200 idle1 80313 445466 0 0 3 0x14200 bored softnet 32447 507451 0 0 2 0x14200 systqmp 94603 432720 0 0 3 0x14200 bored systq 96237 32955 0 0 3 0x40014200 bored softclock 44850 205102 0 0 3 0x40014200 idle0 1 194938 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9530 6429K 6816K 78643K 11613 0 pcb 13 8K 8K 78643K 131 0 rtable 83 3K 7K 78643K 622 0 ifaddr 92 18K 19K 78643K 275 0 sysctl 0 0K 0K 78643K 6 0 counters 43 33K 34K 78643K 81 0 ioctlops 0 0K 4K 78643K 1652 0 iov 0 0K 16K 78643K 68 0 mount 1 1K 1K 78643K 1 0 vnodes 1223 77K 77K 78643K 1574 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 19 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 190 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 4 9K 25K 78643K 982 0 sigio 0 0K 0K 78643K 8 0 proc 61 63K 95K 78643K 506 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 97 0 in_multi 78 3K 3K 78643K 177 0 ether_multi 1 0K 0K 78643K 15 0 mrt 0 0K 0K 78643K 8 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 236 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 198 79K 80K 78643K 4077 0 UVM aobj 59 4K 4K 78643K 65 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 101 0 NDP 14 0K 0K 78643K 46 0 temp 142 3864K 3928K 78643K 17981 0 kqueue 3 4K 13K 78643K 39 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 arp 64 11 0 4 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 61 0 59 1 0 1 1 0 8 0 rtentry 112 123 0 93 2 0 2 2 0 8 0 unpcb 120 400 0 390 1 0 1 1 0 8 0 syncache 264 7 0 7 4 4 0 1 0 8 0 tcpqe 32 1081 0 1081 3 3 0 1 0 8 0 tcpcb 544 273 0 267 2 0 2 2 0 8 0 inpcb 296 1364 0 1355 4 2 2 2 0 8 1 rttmr 72 2 0 2 2 2 0 1 0 8 0 nd6 48 23 0 18 1 0 1 1 0 8 0 pkpcb 40 6 0 6 2 2 0 1 0 8 0 ppxss 1136 2 0 2 2 2 0 1 0 8 0 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 4 0 4 2 2 0 1 0 482 0 pffrnode 88 4 0 4 2 2 0 1 0 8 0 pffrent 40 57 0 57 3 3 0 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 38 0 37 2 1 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 19 0 17 1 0 1 1 0 8 0 pfstkey 112 19 0 17 1 0 1 1 0 8 0 pfstate 328 18 0 16 2 0 2 2 0 8 1 pfrule 1360 35 0 26 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 391 0 242 13 2 11 13 0 8 0 art_table 32 392 0 242 2 0 2 2 0 8 0 art_node 16 85 0 60 1 0 1 1 0 8 0 sysvmsgpl 40 62 0 22 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 186 0 176 1 0 1 1 0 8 0 shmpl 112 62 0 6 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2833 0 1432 89 1 88 89 0 8 0 ffsino 272 2833 0 1432 94 0 94 94 0 8 0 nchpl 144 4509 0 2904 60 0 60 60 0 8 0 uvmvnodes 72 3126 0 0 57 0 57 57 0 8 0 vnodes 208 3126 0 0 165 0 165 165 0 8 0 namei 1024 12567 0 12567 3 2 1 1 0 8 1 percpumem 16 51 0 19 1 0 1 1 0 8 0 vcpupl 1984 8 0 0 1 0 1 1 0 8 0 vmpool 560 11 0 3 1 0 1 1 0 8 0 pfiaddrpl 120 10 0 10 3 3 0 1 0 8 0 scxspl 192 12796 0 12796 10 9 1 7 0 8 1 plimitpl 152 75 0 67 1 0 1 1 0 8 0 sigapl 424 1220 0 1168 7 1 6 7 0 8 0 futexpl 56 15350 0 15350 3 2 1 1 0 8 1 knotepl 112 130 0 112 1 0 1 1 0 8 0 kqueuepl 144 150 0 142 1 0 1 1 0 8 0 pipepl 304 193 0 183 5 3 2 2 0 8 1 fdescpl 496 1183 0 1168 3 0 3 3 0 8 0 filepl 152 6676 0 6585 8 3 5 7 0 8 1 lockfpl 104 1076 0 1075 1 0 1 1 0 8 0 lockfspl 48 256 0 255 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 35 0 24 1 0 1 1 0 8 0 ucredpl 96 555 0 546 1 0 1 1 0 8 0 zombiepl 144 1169 0 1168 1 0 1 1 0 8 0 processpl 992 1220 0 1168 7 0 7 7 0 8 0 procpl 624 3198 0 3139 7 2 5 6 0 8 0 srpgc 64 1 0 1 1 1 0 1 0 8 0 sosppl 128 12 0 12 2 2 0 1 0 8 0 sockpl 400 1832 0 1812 9 6 3 6 0 8 0 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 15 0 0 2 0 2 2 0 8 0 mcl9k 9216 6 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 10 0 0 2 0 2 2 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 232 0 0 28 0 28 28 0 8 0 mtagpl 96 47 0 0 2 0 2 2 0 8 0 mbufpl 256 348 0 0 20 0 20 20 0 8 0 bufpl 280 4927 0 135 343 0 343 343 0 8 0 anonpl 16 123436 0 104777 102 10 92 92 0 124 15 amapchunkpl 152 8166 0 7879 34 20 14 26 0 158 0 amappl16 192 4558 0 3671 60 7 53 57 0 8 8 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 951 0 948 1 0 1 1 0 8 0 amappl13 168 28 0 25 1 0 1 1 0 8 0 amappl12 160 28 0 24 1 0 1 1 0 8 0 amappl11 152 714 0 698 1 0 1 1 0 8 0 amappl10 144 14 0 11 1 0 1 1 0 8 0 amappl9 136 376 0 372 1 0 1 1 0 8 0 amappl8 128 426 0 352 3 0 3 3 0 8 0 amappl7 120 117 0 104 1 0 1 1 0 8 0 amappl6 112 693 0 684 1 0 1 1 0 8 0 amappl5 104 431 0 415 1 0 1 1 0 8 0 amappl4 96 1151 0 1124 1 0 1 1 0 8 0 amappl3 88 462 0 453 1 0 1 1 0 8 0 amappl2 80 8616 0 8552 2 0 2 2 0 8 0 amappl1 72 44142 0 43717 23 13 10 18 0 8 0 amappl 80 3494 0 3411 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 64 0 6 1 0 1 1 0 8 0 uaddrrnd 24 1194 0 1171 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1194 0 1171 1 0 1 1 0 8 0 vmmpekpl 168 11407 0 11361 4 1 3 3 0 8 0 vmmpepl 168 157356 0 155311 136 31 105 115 0 357 9 vmsppl 368 1193 0 1171 3 0 3 3 0 8 0 pdppl 4096 2395 0 2350 7 0 7 7 0 8 0 pvpl 32 379582 0 357744 237 22 215 215 0 265 34 pmappl 232 1193 0 1171 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 288 0 16 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff826fbff0) 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 __mp_lock(ffffffff828c0728) at __mp_lock+0x120 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828c0728) at __mp_lock+0x120 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff828c0728,2) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020e185f0,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020e185f0,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020e185f0,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 tsleep(ffffffff828fa8f4,118,ffffffff8246971c,ccccc78) at tsleep+0x1cc sys/kern/kern_synch.c:155 doppoll(ffff800020ddd118,7f7ffffd3700,3,ffff800020e18788,0,ffff800020e18840) at doppoll+0x57e sys/kern/sys_generic.c:968 sys_poll(ffff800020ddd118,ffff800020e187f0,ffff800020e18840) at sys_poll+0xa6 syscall(ffff800020e188c0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e188c0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd36e0, count: -13 ddb{0}> machine ddbcpu 1 Stopped at in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb{1}> trace in_delmulti(ffff) at in_delmulti+0x8d sys/netinet/in.c:914 in_purgeaddr(ffff800000b42c00) at in_purgeaddr+0x156 sys/netinet/in.c:760 in_ifdetach(ffff800000af4000) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000af4000) at if_detach+0x140 sys/net/if.c:1039 tun_clone_destroy(ffff800000af4000) at tun_clone_destroy+0x1e1 sys/net/if_tun.c:326 tun_dev_close(5d01,7) at tun_dev_close+0x160 sys/net/if_tun.c:477 spec_close(ffff80002290a960) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd806e7d0278,7,fffffd807f7bf900,ffff800020ddc758) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd806cac9ac0,ffff800020ddc758) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806cac9ac0,ffff800020ddc758) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 fdrop(fffffd806cac9ac0,ffff800020ddc758) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd806cac9ac0,ffff800020ddc758) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff800020ddc758) at fdfree+0x101 sys/kern/kern_descrip.c:1195 exit1(ffff800020ddc758,0,19,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff800020ddc758,19) at postsig+0x4ed sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff800020ddc758,19) at postsig+0x4ed sys/kern/kern_sig.c:1415 userret(ffff800020ddc758) at userret+0x199 sys/kern/kern_sig.c:1872 syscall(ffff80002290ade0) at syscall+0x55f mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff80002290ade0) at syscall+0x55f sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe0270, count: -17