4 ЀVz=Ew &[y󋶙j&M8SO9MQ>gnP*Rn#+g{y؀=y>d,D)*#+~Rmhaq-@U.K4y|)+z Vk[[aXs%nEѭ5Qd8Swy ZP\P0(TJ:=qҊ?ԗ!ScF^[@Ӂ8EV7Mi|+ch2+{B8~&M-;\MbMR-?n]sauvm_fault(0xfffffd807f00c000, 0x18, 0, 1) -> e kernel: page fault trap, code=0 Stopped at ml_purge+0x21: movq 0(%r14),%r12 ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xfffffd807f00c000, 0x18, 0, 1) -> e ml_purge(18) at ml_purge+0x21 sys/kern/uipc_mbuf.c:1615 end trace frame: 0xffff800022e3f020, count: 0 ddb{0}> trace ml_purge(18) at ml_purge+0x21 sys/kern/uipc_mbuf.c:1615 arp_rtrequest() at arp_rtrequest+0x244 arpinvalidate sys/netinet/if_ether.c:698 [inline] arp_rtrequest() at arp_rtrequest+0x244 sys/netinet/if_ether.c:210 rtm_output(ffff800000a8ed00,ffff800022e3f180,ffff800022e3f0d0,40,0) at rtm_output+0x3c2 sys/net/rtsock.c:934 route_output(fffffd8064dc5b00,fffffd806f6ff480,0,0) at route_output+0x7d2 sys/net/rtsock.c:814 route_usrreq(fffffd806f6ff480,9,fffffd8064dc5b00,0,0,ffff800020b39788) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd806f6ff480,0,ffff800022e3f370,0,0,80) at sosend+0x668 sys/kern/uipc_socket.c:513 sendit(ffff800020b39788,3,ffff800022e3f450,0,ffff800022e3f560) at sendit+0x52c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020b39788,ffff800022e3f4f8,ffff800022e3f560) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800022e3f5d0) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(ffff800022e3f5d0) at syscall+0x552 sys/arch/amd64/amd64/trap.c:574 Xsyscall(6,0,ffffffffffffffd8,0,6,6365e4ef010) at Xsyscall+0x128 end of kernel end trace frame: 0x6392ef1f470, count: -10 ddb{0}> show registers rdi 0xffffffff81089751 ml_purge+0x21 rsi 0x276 rbp 0xffff800022e3ef90 rbx 0 rdx 0x277 rcx 0xffff800022e40000 rax 0xffff800022e40000 r8 0xffffffff81adf3ff arp_rtrequest+0x11f r9 0x5 r10 0x11 r11 0xff4be9d605a3df0c r12 0xffff8000001732a8 r13 0x11 r14 0x18 r15 0xffff800000aa88f0 rip 0xffffffff81089751 ml_purge+0x21 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800022e3ef60 ss 0x10 ml_purge+0x21: movq 0(%r14),%r12 ddb{0}> show proc PROC (syz-executor.1) pid=382107 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020b39530,0xffffffff82390890 process=0xffff800020b8d3c8 user=0xffff800022e3a000, vmspace=0xfffffd807f00c000 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 95052 42537 87153 0 2 0 syz-executor.1 *95052 382107 87153 0 7 0x4000000 syz-executor.1 74962 215839 1 0 3 0x100083 ttyin getty 55633 496763 0 0 3 0x14200 bored sosplice 87153 466851 70615 0 3 0x82 nanosleep syz-executor.1 3084 26703 70615 0 2 0x2 syz-executor.0 70615 269623 17925 0 3 0x82 thrsleep syz-fuzzer 70615 450122 17925 0 3 0x4000082 thrsleep syz-fuzzer 70615 206985 17925 0 3 0x4000082 thrsleep syz-fuzzer 70615 409094 17925 0 3 0x4000082 thrsleep syz-fuzzer 70615 481153 17925 0 3 0x4000082 thrsleep syz-fuzzer 70615 124272 17925 0 3 0x4000082 thrsleep syz-fuzzer 70615 17217 17925 0 3 0x4000082 thrsleep syz-fuzzer 70615 472376 17925 0 3 0x4000082 thrsleep syz-fuzzer 70615 436571 17925 0 3 0x4000082 kqread syz-fuzzer 70615 411510 17925 0 3 0x4000082 thrsleep syz-fuzzer 17925 309175 58129 0 3 0x10008a pause ksh 58129 342869 71155 0 3 0x92 select sshd 71155 177813 1 0 3 0x80 select sshd 50640 509414 83131 74 3 0x100092 bpf pflogd 83131 328426 1 0 3 0x80 netio pflogd 33992 283291 32530 73 7 0x100090 syslogd 32530 84629 1 0 3 0x100082 netio syslogd 90610 463951 1 77 3 0x100090 poll dhclient 44240 337527 1 0 3 0x80 poll dhclient 52056 111791 0 0 3 0x14200 pgzero zerothread 28651 190627 0 0 3 0x14200 aiodoned aiodoned 1286 150051 0 0 3 0x14200 syncer update 10310 103015 0 0 3 0x14200 cleaner cleaner 83271 157791 0 0 3 0x14200 reaper reaper 84542 100311 0 0 3 0x14200 pgdaemon pagedaemon 44354 290636 0 0 3 0x14200 bored crynlk 3283 190198 0 0 3 0x14200 bored crypto 83258 418380 0 0 3 0x40014200 acpi0 acpi0 7571 246535 0 0 3 0x40014200 idle1 41450 335431 0 0 3 0x14200 bored softnet 20737 4377 0 0 3 0x14200 bored systqmp 76588 244250 0 0 3 0x14200 bored systq 39335 207938 0 0 3 0x40014200 bored softclock 68577 40095 0 0 3 0x40014200 idle0 39584 180714 0 0 3 0x14200 bored smr 1 470352 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 95052 (syz-executor.1) thread 0xffff800020b39788 (382107) exclusive rwlock netlock r = 0 (0xffffffff82217818) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 rtm_output+0x3ae sys/net/rtsock.c:932 #2 route_output+0x7d2 sys/net/rtsock.c:814 #3 route_usrreq+0x363 sys/net/rtsock.c:271 #4 sosend+0x668 sys/kern/uipc_socket.c:513 #5 sendit+0x52c sys/kern/uipc_syscalls.c:662 #6 sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 #7 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #7 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8236bbe0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 solock+0x66 sys/kern/uipc_socket2.c:292 #2 sosend+0x52c sys/kern/uipc_socket.c:501 #3 sendit+0x52c sys/kern/uipc_syscalls.c:662 #4 sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 #5 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #5 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #6 Xsyscall+0x128 Process 3084 (syz-executor.0) thread 0xffff800020b14968 (26703) exclusive rrwlock inode r = 0 (0xfffffd806e552920) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 rw_enter+0x46d sys/kern/kern_rwlock.c:306 #2 rrw_enter+0x4f sys/kern/kern_rwlock.c:435 #3 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140 #4 ffs_vget+0x133 sys/ufs/ffs/ffs_vfsops.c:1352 #5 ffs_inode_alloc+0x1cf sys/ufs/ffs/ffs_alloc.c:392 #6 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1164 #7 VOP_MKDIR+0x6a sys/kern/vfs_vops.c:449 #8 domkdirat+0x121 sys/kern/vfs_syscalls.c:2970 #9 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #9 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069a391b0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 rw_enter+0x46d sys/kern/kern_rwlock.c:306 #2 rrw_enter+0x4f sys/kern/kern_rwlock.c:435 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:602 #4 vn_lock+0x6e sys/kern/vfs_vnops.c:549 #5 vfs_lookup+0xe9 sys/kern/vfs_lookup.c:422 #6 namei+0x61c sys/kern/vfs_lookup.c:252 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:2955 #8 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #8 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9543 6448K 7084K 78643K 24408 0 0 pcb 26 9K 11K 78643K 42125 0 0 rtable 8583 527K 527K 78643K 67953 0 0 ifaddr 68 34K 45K 78643K 4894 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1729 0 0 iov 0 0K 24K 78643K 806 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1200 75K 76K 78643K 7029 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 87 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 0K 1K 78643K 782 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12628 0 0 file desc 5 13K 25K 78643K 32543 0 0 sigio 1 0K 0K 78643K 124 0 0 proc 53 50K 83K 78643K 992 0 0 subproc 32 2K 2K 78643K 36 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 601 0 0 in_multi 33 2K 2K 78643K 347 0 0 ether_multi 1 0K 0K 78643K 78 0 0 mrt 0 0K 0K 78643K 28 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 84 371K 371K 78643K 84 0 0 exec 0 0K 1K 78643K 576 0 0 pfkey data 0 0K 4K 78643K 10 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 95 21K 30K 78643K 83027 0 0 UVM aobj 130 4K 4K 78643K 144 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 1K 78643K 1557 0 0 NDP 14 0K 0K 78643K 1231 0 0 temp 578 2742K 2870K 78643K 82642 0 0 kqueue 0 0K 0K 78643K 36 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 0 1 0 1 1 0 8 0 inpcbpl 280 20160 0 20153 4 3 1 2 0 8 0 plimitpl 152 118 0 110 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 7610 0 7114 17 2 15 15 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 2284 0 2280 1 0 1 1 0 8 0 rttmr 72 9 0 9 3 3 0 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 1190 0 1189 13 12 1 1 0 8 0 pffrag 232 7 0 7 1 1 0 1 0 482 0 pffrnode 88 7 0 7 1 1 0 1 0 8 0 pffrent 40 21 0 21 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 pfstitem 24 1121 0 982 6 3 3 6 0 8 1 pfstkey 112 1121 0 982 28 14 14 28 0 8 4 pfstate 328 1121 0 982 83 51 32 82 0 8 8 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 39 0 0 39 0 39 39 0 8 0 art_heap4 256 593 0 234 32 9 23 24 0 8 0 art_table 32 632 0 234 4 0 4 4 0 8 0 art_node 16 556 0 468 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 5 1 0 1 1 0 8 0 semapl 112 780 0 770 1 0 1 1 0 8 0 shmpl 112 142 0 14 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 40938 0 39471 49 1 48 48 0 8 0 ffsino 272 40938 0 39471 98 0 98 98 0 8 0 nchpl 144 76960 0 75321 62 0 62 62 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 200 5926 0 0 312 0 312 312 0 8 0 namei 1024 180089 0 180088 2 1 1 1 0 8 0 percpumem 16 30 0 0 1 0 1 1 0 8 0 scsiplug 64 13 0 13 9 9 0 1 0 8 0 scxspl 192 220025 0 220025 32 31 1 6 0 8 1 sigapl 432 32748 0 32733 3 1 2 3 0 8 0 futexpl 56 182762 0 182762 1 0 1 1 0 8 1 knotepl 112 937 0 918 2 1 1 2 0 8 0 kqueuepl 104 1179 0 1177 1 0 1 1 0 8 0 pipepl 112 4556 0 4537 5 4 1 2 0 8 0 fdescpl 488 32749 0 32733 3 0 3 3 0 8 0 filepl 152 116143 0 116043 10 5 5 7 0 8 1 lockfpl 104 1795 0 1795 28 27 1 1 0 8 1 lockfspl 48 634 0 634 28 27 1 1 0 8 1 sessionpl 112 23 0 12 1 0 1 1 0 8 0 pgrppl 48 117 0 106 1 0 1 1 0 8 0 ucredpl 96 9245 0 9236 1 0 1 1 0 8 0 zombiepl 144 32733 0 32733 2 1 1 1 0 8 1 processpl 840 32765 0 32733 4 0 4 4 0 8 0 procpl 600 82134 0 82092 4 0 4 4 0 8 0 srpgc 64 5 0 5 3 3 0 1 0 8 0 sosppl 128 54 0 54 13 13 0 1 0 8 0 sockpl 384 52458 0 52438 6 3 3 4 0 8 1 mcl64k 65536 1015 0 0 127 83 44 65 0 8 1 mcl16k 16384 21 0 0 3 1 2 3 0 8 0 mcl12k 12288 33 0 0 2 0 2 2 0 8 0 mcl9k 9216 42 0 0 2 0 2 2 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 4 1 3 3 0 8 0 mcl2k2 2112 10 0 0 1 0 1 1 0 8 0 mcl2k 2048 175 0 0 15 0 15 15 0 8 0 mtagpl 80 2 0 0 1 0 1 1 0 8 0 mbufpl 256 1167 0 0 44 3 41 41 0 8 0 bufpl 256 43763 0 36755 439 0 439 439 0 8 0 anonpl 16 2031039 0 2020544 191 132 59 60 0 125 15 amapchunkpl 152 133933 0 133830 49 43 6 10 0 158 0 amappl16 192 137582 0 137013 155 117 38 41 0 8 8 amappl14 176 38 0 35 2 1 1 1 0 8 0 amappl13 168 16164 0 16162 1 0 1 1 0 8 0 amappl12 160 16310 0 16308 1 0 1 1 0 8 0 amappl11 152 59 0 41 1 0 1 1 0 8 0 amappl10 144 80 0 75 1 0 1 1 0 8 0 amappl9 136 595 0 591 1 0 1 1 0 8 0 amappl8 128 145 0 129 1 0 1 1 0 8 0 amappl7 120 34 0 31 1 0 1 1 0 8 0 amappl6 112 60 0 50 1 0 1 1 0 8 0 amappl5 104 16476 0 16460 1 0 1 1 0 8 0 amappl4 96 16645 0 16618 1 0 1 1 0 8 0 amappl3 88 16830 0 16820 1 0 1 1 0 8 0 amappl2 80 261620 0 261550 4 2 2 3 0 8 0 amappl1 72 681290 0 680843 26 16 10 20 0 8 0 amappl 80 82332 0 82296 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 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 143 0 14 3 0 3 3 0 8 0 uaddrrnd 24 32749 0 32733 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 32749 0 32733 1 0 1 1 0 8 0 vmmpekpl 168 179674 0 179644 2 0 2 2 0 8 0 vmmpepl 168 3275369 0 3273746 187 100 87 87 0 357 15 vmsppl 360 32748 0 32733 2 0 2 2 0 8 0 pdppl 4096 65506 0 65466 6 0 6 6 0 8 0 pvpl 32 5805280 0 5791506 456 306 150 152 0 265 37 pmappl 232 32748 0 32733 2 1 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 820 0 101 22 0 22 22 0 8 0