""‰~¼t§êÏ€ñúHôD^Õ""‰~¼t§êÏ€ñúHôD^Õuvm_fault(0xffffffff82531700, 0xfffffd0000000018, 0, 1) -> e kernel: page fault trap, code=0 Stopped at _bus_dmamap_load_mbuf+0xb5: movl 0x18(%r15),%r12d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff82531700, 0xfffffd0000000018, 0, 1) -> e _bus_dmamap_load_mbuf(ffffffff82468ef0,ffff80000024ec00,fffffd8065e21700,401) at _bus_dmamap_load_mbuf+0xb5 sys/arch/amd64/amd64/bus_dma.c:217 end trace frame: 0xffff800020a475d0, count: 0 ddb{1}> trace _bus_dmamap_load_mbuf(ffffffff82468ef0,ffff80000024ec00,fffffd8065e21700,401) at _bus_dmamap_load_mbuf+0xb5 sys/arch/amd64/amd64/bus_dma.c:217 vio_start(ffff8000001712a8) at vio_start+0x28e vio_encap sys/dev/pv/if_vio.c:1170 [inline] vio_start(ffff8000001712a8) at vio_start+0x28e sys/dev/pv/if_vio.c:774 if_qstart_compat(ffff800000171520) at if_qstart_compat+0x36 sys/net/if.c:685 ifq_serialize(ffff800000171520,ffff800000171630) at ifq_serialize+0x173 sys/net/ifq.c:108 taskq_thread(ffff800000023080) at taskq_thread+0x9c sys/kern/kern_task.c:368 end trace frame: 0x0, count: -5 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff800020a47520 rbx 0xffff800020a474cc rdx 0xffff800020a473d0 rcx 0 rax 0 r8 0 r9 0x5 r10 0x8a63a3cab281f0fd r11 0x75bb286736b62547 r12 0 r13 0 r14 0xffff80000024ec00 r15 0xfffffd0000000000 rip 0xffffffff82186295 _bus_dmamap_load_mbuf+0xb5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020a474b0 ss 0x10 _bus_dmamap_load_mbuf+0xb5: movl 0x18(%r15),%r12d ddb{1}> show proc PROC (softnet) pid=359422 stat=onproc flags process=14000 proc=200 pri=32, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800020a20000,0xffff800020a209f0 process=0xffff800020a22710 user=0xffff800020a42000, vmspace=0xffffffff82623bb0 estcpu=1, cpticks=1, pctcpu=0.32 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 56096 157992 21050 0 3 0x2 biowait syz-executor.1 21050 324442 58261 0 3 0x82 thrsleep syz-fuzzer 21050 477132 58261 0 3 0x4000082 nanosleep syz-fuzzer 21050 421743 58261 0 3 0x4000082 thrsleep syz-fuzzer 21050 324842 58261 0 3 0x4000082 thrsleep syz-fuzzer 21050 292641 58261 0 3 0x4000082 thrsleep syz-fuzzer 21050 344071 58261 0 3 0x4000082 thrsleep syz-fuzzer 21050 424011 58261 0 3 0x4000082 thrsleep syz-fuzzer 21050 222393 58261 0 3 0x4000082 kqread syz-fuzzer 21050 255361 58261 0 3 0x4000082 thrsleep syz-fuzzer 21050 136042 58261 0 3 0x4000082 thrsleep syz-fuzzer 58261 17175 46089 0 3 0x10008a pause ksh 46089 260396 71042 0 3 0x92 select sshd 56143 118445 1 0 3 0x100083 ttyin getty 71042 470154 1 0 3 0x80 select sshd 51216 174334 13550 74 3 0x100092 bpf pflogd 13550 309016 1 0 3 0x80 netio pflogd 51387 375501 47806 73 3 0x100090 kqread syslogd 47806 54886 1 0 3 0x100082 netio syslogd 65539 249935 1 77 7 0x100010 dhclient 15 288517 1 0 2 0x80 dhclient 64389 278992 0 0 2 0x14200 zerothread 48617 77703 0 0 3 0x14200 aiodoned aiodoned 91392 303668 0 0 3 0x14200 syncer update 25222 69413 0 0 3 0x14200 cleaner cleaner 87258 68917 0 0 3 0x14200 reaper reaper 62126 170393 0 0 3 0x14200 pgdaemon pagedaemon 76503 479322 0 0 3 0x14200 bored crynlk 64858 258394 0 0 3 0x14200 bored crypto 58299 359569 0 0 3 0x14200 bored viomb 6701 344013 0 0 3 0x40014200 acpi0 acpi0 39002 124346 0 0 3 0x40014200 idle1 *82267 359422 0 0 7 0x14200 softnet 38049 452234 0 0 2 0x14200 systqmp 55466 438773 0 0 3 0x14200 bored systq 33850 42751 0 0 3 0x40014200 bored softclock 58317 388377 0 0 3 0x40014200 idle0 14648 197234 0 0 3 0x14200 bored smr 1 299452 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &ifq->ifq_mtx r = 0 (0xffff800000171548) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 ifq_deq_begin+0x31 sys/net/ifq.c:345 #4 vio_start+0xf6 sys/dev/pv/if_vio.c:735 #5 if_qstart_compat+0x36 sys/net/if.c:685 #6 ifq_serialize+0x173 sys/net/ifq.c:108 #7 taskq_thread+0x9c sys/kern/kern_task.c:368 #8 proc_trampoline+0x1c Process 56096 (syz-executor.1) thread 0xffff800020a989f8 (157992) exclusive rrwlock inode r = 0 (0xfffffd8007e19e70) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:453 #3 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140 #4 ffs_vget+0x13e 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+0xc6 sys/kern/vfs_vops.c:450 #8 domkdirat+0x121 sys/kern/vfs_syscalls.c:2974 #9 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #9 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806acb46f8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:453 #3 VOP_LOCK+0xf9 sys/kern/vfs_vops.c:615 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:571 #5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419 #6 namei+0x63c sys/kern/vfs_lookup.c:249 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:2959 #8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #9 Xsyscall+0x128 Process 82267 (softnet) thread 0xffff800020a20768 (359422) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8265cfc8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 if_qstart_compat+0x1a sys/net/if.c:683 #2 ifq_serialize+0x173 sys/net/ifq.c:108 #3 taskq_thread+0x9c sys/kern/kern_task.c:368 #4 proc_trampoline+0x1c shared rwlock softnet r = 0 (0xffff8000000230e0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 taskq_thread+0x8f sys/kern/kern_task.c:367 #2 proc_trampoline+0x1c exclusive mutex &ifq->ifq_mtx r = 0 (0xffff800000171548) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 ifq_deq_begin+0x31 sys/net/ifq.c:345 #4 vio_start+0xf6 sys/dev/pv/if_vio.c:735 #5 if_qstart_compat+0x36 sys/net/if.c:685 #6 ifq_serialize+0x173 sys/net/ifq.c:108 #7 taskq_thread+0x9c sys/kern/kern_task.c:368 #8 proc_trampoline+0x1c ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9507 6552K 8039K 78643K 11059 0 pcb 13 8K 8K 78643K 42 0 rtable 95 4K 4K 78643K 248 0 ifaddr 52 11K 13K 78643K 83 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1480 0 iov 0 0K 24K 78643K 43 0 mount 1 1K 1K 78643K 1 0 vnodes 1233 77K 78K 78643K 1376 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 32 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1810 197K 290K 78643K 12817 0 file desc 4 9K 25K 78643K 169 0 sigio 0 0K 0K 78643K 6 0 proc 60 63K 95K 78643K 459 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 22 0 in_multi 37 2K 2K 78643K 48 0 ether_multi 1 0K 0K 78643K 2 0 mrt 0 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 36 159K 159K 78643K 36 0 exec 0 0K 1K 78643K 217 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 120 22K 24K 78643K 1543 0 UVM aobj 20 2K 2K 78643K 20 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 25 0 NDP 8 0K 0K 78643K 16 0 temp 121 3030K 3102K 78643K 17591 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 7 0 3 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 29 0 27 1 0 1 1 0 8 0 rtentry 112 46 0 10 2 0 2 2 0 8 0 unpcb 120 215 0 205 2 1 1 2 0 8 0 syncache 264 6 0 6 3 3 0 1 0 8 0 tcpqe 32 19 0 19 1 1 0 1 0 8 0 tcpcb 544 144 0 140 4 0 4 4 0 8 3 inpcb 280 315 0 308 4 0 4 4 0 8 3 nd6 48 4 0 2 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1128 3 0 3 1 0 1 1 0 8 1 pffrag 232 4 0 4 2 1 1 1 0 482 1 pffrnode 88 4 0 4 2 1 1 1 0 8 1 pffrent 40 180 0 180 2 1 1 1 0 8 1 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 27 0 3 2 1 1 1 0 8 0 pfstkey 112 27 0 3 2 1 1 1 0 8 0 pfstate 328 27 0 3 3 1 2 2 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 212 0 0 14 0 14 14 0 8 0 art_table 32 213 0 0 2 0 2 2 0 8 0 art_node 16 45 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 107 0 80 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 30 0 20 1 0 1 1 0 8 0 shmpl 112 18 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1681 0 276 46 0 46 46 0 8 0 ffsino 272 1681 0 276 95 0 95 95 0 8 0 nchpl 144 2168 0 549 61 0 61 61 0 8 0 uvmvnodes 72 1833 0 0 34 0 34 34 0 8 0 vnodes 208 1833 0 0 97 0 97 97 0 8 0 namei 1024 6463 0 6462 4 3 1 1 0 8 0 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 6663 0 6662 16 13 3 7 0 8 2 plimitpl 152 25 0 17 1 0 1 1 0 8 0 sigapl 432 368 0 354 3 1 2 3 0 8 0 futexpl 56 3998 0 3998 1 0 1 1 0 8 1 knotepl 112 72 0 55 1 0 1 1 0 8 0 kqueuepl 104 34 0 32 1 0 1 1 0 8 0 pipepl 160 252 0 235 4 2 2 2 0 8 1 fdescpl 488 369 0 354 3 0 3 3 0 8 0 filepl 152 2734 0 2645 9 2 7 7 0 8 3 lockfpl 104 76 0 75 1 0 1 1 0 8 0 lockfspl 48 31 0 30 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 26 0 15 1 0 1 1 0 8 0 ucredpl 96 230 0 221 1 0 1 1 0 8 0 zombiepl 144 355 0 354 3 2 1 1 0 8 0 processpl 904 385 0 354 4 0 4 4 0 8 0 procpl 632 747 0 707 5 0 5 5 0 8 1 srpgc 64 2 0 0 1 0 1 1 0 8 0 sockpl 384 564 0 545 10 2 8 8 0 8 5 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 133 0 0 16 0 16 16 0 8 0 mtagpl 80 16 0 0 1 0 1 1 0 8 0 mbufpl 256 305 0 0 18 0 18 18 0 8 0 bufpl 280 7085 0 1340 411 0 411 411 0 8 0 anonpl 16 59755 0 40558 91 2 89 90 0 125 10 amapchunkpl 152 2184 0 2026 16 2 14 14 0 158 7 amappl16 192 2183 0 1148 62 4 58 62 0 8 6 amappl15 184 58 0 55 1 0 1 1 0 8 0 amappl14 176 93 0 90 2 1 1 1 0 8 0 amappl13 168 73 0 70 1 0 1 1 0 8 0 amappl12 160 4 0 1 2 1 1 1 0 8 0 amappl11 152 53 0 37 1 0 1 1 0 8 0 amappl10 144 13 0 7 1 0 1 1 0 8 0 amappl9 136 270 0 266 1 0 1 1 0 8 0 amappl8 128 144 0 110 2 0 2 2 0 8 0 amappl7 120 104 0 93 1 0 1 1 0 8 0 amappl6 112 59 0 53 1 0 1 1 0 8 0 amappl5 104 808 0 793 1 0 1 1 0 8 0 amappl4 96 638 0 602 2 1 1 2 0 8 0 amappl3 88 250 0 240 1 0 1 1 0 8 0 amappl2 80 2021 0 1953 3 1 2 3 0 8 0 amappl1 72 18055 0 17617 28 18 10 21 0 8 0 amappl 80 1007 0 962 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 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 19 0 0 1 0 1 1 0 8 0 uaddrrnd 24 369 0 354 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 369 0 354 1 0 1 1 0 8 0 vmmpekpl 168 6968 0 6935 2 0 2 2 0 8 0 vmmpepl 168 54030 0 51895 160 42 118 127 0 357 16 vmsppl 368 368 0 354 2 0 2 2 0 8 0 pdppl 4096 745 0 708 7 1 6 6 0 8 1 pvpl 32 181061 0 158783 225 12 213 214 0 265 28 pmappl 232 368 0 354 2 1 1 2 0 8 0 extentpl 40 50 0 32 1 0 1 1 0 8 0 phpool 112 178 0 7 5 0 5 5 0 8 0