a^1ECrD]JFVKw!jpg(veH[s[xCPNX-hT"kernel: protection fault trap, code=0 Stopped at in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace in_delmulti(fffeffffffffffff) at in_delmulti+0x8d sys/netinet/in.c:914 in_purgeaddr(ffff800000b1c400) 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:1032 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(ffff800023117b80) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd8070950008,7,fffffd807f7bf8a0,ffff800020e90ee8) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd806cab7600,ffff800020e90ee8) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806cab7600,ffff800020e90ee8) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 fdrop(fffffd806cab7600,ffff800020e90ee8) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd806cab7600,ffff800020e90ee8) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff800020e90ee8) at fdfree+0x101 sys/kern/kern_descrip.c:1195 exit1(ffff800020e90ee8,0,19,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff800020e90ee8,19) at postsig+0x4ed sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff800020e90ee8,19) at postsig+0x4ed sys/kern/kern_sig.c:1415 userret(ffff800020e90ee8) at userret+0x199 sys/kern/kern_sig.c:1872 syscall(ffff800023118000) at syscall+0x55f mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff800023118000) at syscall+0x55f sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd4a90, count: -17 ddb{0}> show registers rdi 0x2 rsi 0 rbp 0xffff800023117950 rbx 0 rdx 0 rcx 0 rax 0xffff800020e90ee8 r8 0xffff800000b1c400 r9 0xffffffff81e56833 rt_ifa_purge+0x153 r10 0x5 r11 0x3aaa9c15aae884b2 r12 0 r13 0x3 r14 0xfffeffffffffffff r15 0x1 rip 0xffffffff823bf7bd in_delmulti+0x8d cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000231178f0 ss 0x10 in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb{0}> show proc PROC (syz-executor.1) pid=259838 stat=onproc flags process=a proc=2000 pri=32, usrpri=54, nice=20 forw=0xffffffffffffffff, list=0xffff800020dd6008,0xffff800020e90c80 process=0xffff8000ffffd7a0 user=0xffff800023113000, vmspace=0xfffffd807effe730 estcpu=22, cpticks=1, pctcpu=0.6 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 62116 57306 96285 0 3 0x80 nanosleep syz-executor.0 62116 103727 96285 0 3 0x4000080 lockf syz-executor.0 62116 98987 96285 0 3 0x4000080 fsleep syz-executor.0 97612 149707 0 0 3 0x14200 bored sosplice 22187 397308 0 0 3 0x14280 nfsidl nfsio 23149 442650 0 0 3 0x14280 nfsidl nfsio 37647 30619 0 0 3 0x14280 nfsidl nfsio 57575 196070 0 0 3 0x14280 nfsidl nfsio 20281 105602 0 0 3 0x14280 nfsidl nfsio 3494 272338 0 0 3 0x14280 nfsidl nfsio 15302 357542 0 0 3 0x14280 nfsidl nfsio 68424 120876 0 0 3 0x14280 nfsidl nfsio 5329 177830 0 0 3 0x14280 nfsidl nfsio 28386 293315 0 0 3 0x14280 nfsidl nfsio 23224 97906 0 0 3 0x14280 nfsidl nfsio 78289 477816 0 0 3 0x14280 nfsidl nfsio 75034 463937 0 0 3 0x14280 nfsidl nfsio 63487 328904 0 0 3 0x14280 nfsidl nfsio 78948 93782 0 0 3 0x14280 nfsidl nfsio 71938 227065 0 0 3 0x14280 nfsidl nfsio 98200 376070 0 0 3 0x14280 nfsidl nfsio 79739 13891 0 0 3 0x14280 nfsidl nfsio 73018 49870 0 0 3 0x14280 nfsidl nfsio 85187 109980 0 0 3 0x14280 nfsidl nfsio 96285 26689 28887 0 7 0x2 syz-executor.0 28887 453477 12640 0 3 0x82 thrsleep syz-fuzzer 28887 201621 12640 0 3 0x4000082 thrsleep syz-fuzzer 28887 210107 12640 0 3 0x4000082 thrsleep syz-fuzzer 28887 286898 12640 0 3 0x4000082 thrsleep syz-fuzzer 28887 60664 12640 0 3 0x4000082 kqread syz-fuzzer 28887 481357 12640 0 3 0x4000082 thrsleep syz-fuzzer 28887 7384 12640 0 3 0x4000082 thrsleep syz-fuzzer 28887 360573 12640 0 3 0x4000082 thrsleep syz-fuzzer 12640 221860 39709 0 3 0x10008a pause ksh 39709 311795 97436 0 3 0x92 select sshd 34341 357534 1 0 3 0x100083 ttyin getty 97436 432458 1 0 3 0x80 select sshd 45276 470365 47804 74 3 0x100092 bpf pflogd 47804 496680 1 0 3 0x80 netio pflogd 48624 1506 65498 73 3 0x100090 kqread syslogd 65498 499898 1 0 3 0x100082 netio syslogd 76737 454801 1 77 2 0x100090 dhclient 2966 84380 1 0 3 0x80 poll dhclient 19323 9752 0 0 3 0x14200 bored smr 72391 179631 0 0 3 0x14200 pgzero zerothread 12450 503665 0 0 3 0x14200 aiodoned aiodoned 91114 252180 0 0 3 0x14200 syncer update 78749 476733 0 0 3 0x14200 cleaner cleaner 31795 234530 0 0 3 0x14200 reaper reaper 1248 469824 0 0 3 0x14200 pgdaemon pagedaemon 51845 91576 0 0 3 0x14200 bored crynlk 87499 15554 0 0 3 0x14200 bored crypto 61572 40493 0 0 3 0x40014200 acpi0 acpi0 70752 441515 0 0 3 0x40014200 idle1 82683 181888 0 0 3 0x14200 bored softnet 16786 295363 0 0 2 0x14200 systqmp 8944 80867 0 0 3 0x14200 bored systq 85445 425914 0 0 3 0x40014200 bored softclock 72520 242829 0 0 3 0x40014200 idle0 1 510184 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9515 6422K 6788K 78643K 11387 0 pcb 13 8K 8K 78643K 85 0 rtable 77 4K 6K 78643K 430 0 ifaddr 75 15K 15K 78643K 142 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 55 0 ioctlops 0 0K 4K 78643K 1573 0 iov 0 0K 12K 78643K 34 0 mount 1 1K 1K 78643K 1 0 vnodes 1227 77K 77K 78643K 1495 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 3 5K 5K 78643K 14 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 88 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 551 0 sigio 0 0K 0K 78643K 6 0 proc 62 63K 95K 78643K 472 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 69 0 in_multi 44 2K 2K 78643K 151 0 ether_multi 1 0K 0K 78643K 10 0 mrt 0 0K 0K 78643K 2 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 242 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 172 43K 59K 78643K 2863 0 UVM aobj 28 7K 7K 78643K 30 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 226 0 NDP 12 0K 0K 78643K 38 0 temp 133 3891K 3955K 78643K 4595 0 kqueue 3 4K 12K 78643K 26 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 6 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 88 35 0 33 1 0 1 1 0 8 0 rtentry 112 86 0 61 2 0 2 2 0 8 0 unpcb 120 239 0 229 1 0 1 1 0 8 0 syncache 272 8 0 8 3 3 0 1 0 8 0 tcpqe 32 218 0 218 2 2 0 1 0 8 0 tcpcb 592 367 0 359 4 2 2 3 0 8 1 inpcb 296 1050 0 1041 3 1 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 25 0 23 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 1 0 1 0 8 0 ppxss 1136 1 0 1 1 1 0 1 0 8 0 pffrag 232 1 0 1 1 1 0 1 0 482 0 pffrnode 88 1 0 1 1 1 0 1 0 8 0 pffrent 40 45 0 45 1 1 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 32 0 30 2 1 1 1 0 8 0 pfstitem 24 17 0 10 1 0 1 1 0 8 0 pfstkey 112 17 0 10 1 0 1 1 0 8 0 pfstate 328 17 0 10 2 1 1 2 0 8 0 pfrule 1360 38 0 29 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 407 0 291 17 6 11 14 0 8 1 art_table 32 408 0 291 2 0 2 2 0 8 0 art_node 16 85 0 60 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 14 2 1 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 83 0 73 1 0 1 1 0 8 0 shmpl 112 27 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2062 0 659 88 0 88 88 0 8 0 ffsino 272 2062 0 659 94 0 94 94 0 8 0 nchpl 144 3014 0 1406 60 0 60 60 0 8 0 uvmvnodes 72 2336 0 0 43 0 43 43 0 8 0 vnodes 208 2336 0 0 123 0 123 123 0 8 0 namei 1024 8470 0 8470 2 1 1 1 0 8 1 percpumem 16 38 0 6 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 4 0 2 1 0 1 1 0 8 0 pfiaddrpl 120 11 0 10 2 1 1 1 0 8 0 scxspl 200 8794 0 8794 10 9 1 7 0 8 1 plimitpl 152 63 0 55 1 0 1 1 0 8 0 sigapl 424 787 0 735 6 0 6 6 0 8 0 futexpl 56 7407 0 7406 2 1 1 1 0 8 0 knotepl 112 85 0 67 1 0 1 1 0 8 0 kqueuepl 152 140 0 137 1 0 1 1 0 8 0 pipepl 304 124 0 114 4 2 2 2 0 8 1 fdescpl 496 751 0 735 3 0 3 3 0 8 0 filepl 152 4555 0 4460 5 0 5 5 0 8 1 lockfpl 104 509 0 505 1 0 1 1 0 8 0 lockfspl 48 129 0 126 1 0 1 1 0 8 0 sessionpl 120 18 0 7 1 0 1 1 0 8 0 pgrppl 48 24 0 13 1 0 1 1 0 8 0 ucredpl 96 648 0 639 1 0 1 1 0 8 0 zombiepl 144 736 0 734 1 0 1 1 0 8 0 processpl 1008 787 0 734 7 0 7 7 0 8 0 procpl 632 2045 0 1983 6 0 6 6 0 8 0 sosppl 144 6 0 6 3 3 0 1 0 8 0 sockpl 400 1330 0 1309 8 4 4 4 0 8 1 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 9 0 0 1 0 1 1 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 8 0 0 1 0 1 1 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 185 0 0 23 1 22 23 0 8 0 mtagpl 96 31 0 0 1 0 1 1 0 8 0 mbufpl 256 274 0 0 16 0 16 16 0 8 0 bufpl 280 4154 0 127 288 0 288 288 0 8 0 anonpl 16 92416 0 73378 93 15 78 86 0 124 0 amapchunkpl 152 4665 0 4343 19 5 14 18 0 158 0 amappl16 192 3598 0 2727 53 9 44 52 0 8 0 amappl15 184 2 0 1 1 0 1 1 0 8 0 amappl14 176 13 0 8 1 0 1 1 0 8 0 amappl13 168 28 0 25 1 0 1 1 0 8 0 amappl12 160 23 0 19 1 0 1 1 0 8 0 amappl11 152 57 0 42 1 0 1 1 0 8 0 amappl10 144 17 0 14 1 0 1 1 0 8 0 amappl9 136 611 0 607 1 0 1 1 0 8 0 amappl8 128 596 0 551 2 0 2 2 0 8 0 amappl7 120 124 0 110 1 0 1 1 0 8 0 amappl6 112 28 0 22 1 0 1 1 0 8 0 amappl5 104 658 0 641 1 0 1 1 0 8 0 amappl4 96 497 0 465 1 0 1 1 0 8 0 amappl3 88 137 0 129 1 0 1 1 0 8 0 amappl2 80 5070 0 5000 2 0 2 2 0 8 0 amappl1 72 32440 0 31984 23 13 10 18 0 8 0 amappl 80 2323 0 2239 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 29 0 2 1 0 1 1 0 8 0 uaddrrnd 24 755 0 737 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 755 0 737 1 0 1 1 0 8 0 vmmpekpl 168 9975 0 9928 3 0 3 3 0 8 0 vmmpepl 168 103530 0 101422 127 29 98 113 0 357 3 vmsppl 368 754 0 737 2 0 2 2 0 8 0 pdppl 4096 1517 0 1476 6 0 6 6 0 8 0 pvpl 32 287568 0 265192 215 21 194 205 0 265 13 pmappl 232 754 0 737 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 272 0 18 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace in_delmulti(fffeffffffffffff) at in_delmulti+0x8d sys/netinet/in.c:914 in_purgeaddr(ffff800000b1c400) 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:1032 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(ffff800023117b80) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd8070950008,7,fffffd807f7bf8a0,ffff800020e90ee8) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd806cab7600,ffff800020e90ee8) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806cab7600,ffff800020e90ee8) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 fdrop(fffffd806cab7600,ffff800020e90ee8) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd806cab7600,ffff800020e90ee8) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff800020e90ee8) at fdfree+0x101 sys/kern/kern_descrip.c:1195 exit1(ffff800020e90ee8,0,19,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff800020e90ee8,19) at postsig+0x4ed sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff800020e90ee8,19) at postsig+0x4ed sys/kern/kern_sig.c:1415 userret(ffff800020e90ee8) at userret+0x199 sys/kern/kern_sig.c:1872 syscall(ffff800023118000) at syscall+0x55f mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff800023118000) at syscall+0x55f sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd4a90, count: -17 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp 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 __sanitizer_cov_trace_cmp4(c495d,c495e) at __sanitizer_cov_trace_cmp4+0x40 kd_curproc sys/dev/kcov.c:454 [inline] __sanitizer_cov_trace_cmp4(c495d,c495e) at __sanitizer_cov_trace_cmp4+0x40 trace_cmp sys/dev/kcov.c:134 [inline] __sanitizer_cov_trace_cmp4(c495d,c495e) at __sanitizer_cov_trace_cmp4+0x40 sys/dev/kcov.c:163 __mp_lock(ffffffff82933140) at __mp_lock+0x139 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82933140) at __mp_lock+0x139 sys/kern/kern_lock.c:147 syscall(ffff800020edff90) at syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline] syscall(ffff800020edff90) at syscall+0x400 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdc010, count: -7