`+qVَZostq*Qc :_J WíQ-׆M3r5)%P3[E1/ޗgR(@_zN ʊ9pCHRYm_1Za5$j`LOH~7Ov<܊Tή+5hfdp+5UB!tuVo`+qVَZostq*Qc :_J WíQ-׆M3r5)%P3[E1/ޗgR(@_zN ʊ9pCHRYm_1Za5$j`LOH~7Ov<܊Tή+5hfdp+5UB!tuVo`+qVَZostq*Qc :_J WíQ-׆M3r5)%P3[E1/ޗgR(@_zN ʊ9pCHRYm_1Za5$j`LOH~7Ov<܊Tή+5hfdp+5UB!tuVouvm_fault(0xffffffff8254a110, 0xfffffd0000000018, 0, 1) -> e kernel: page fault trap, code=0 Stopped at tun_dev_read+0x138: movl 0x18(%rbx),%r12d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff8254a110, 0xfffffd0000000018, 0, 1) -> e tun_dev_read(5d01,ffff800023fcd838,10) at tun_dev_read+0x138 sys/net/if_tun.c:790 end trace frame: 0xffff800023fcd670, count: 0 ddb{1}> trace tun_dev_read(5d01,ffff800023fcd838,10) at tun_dev_read+0x138 sys/net/if_tun.c:790 spec_read(ffff800023fcd680) at spec_read+0xf1 sys/kern/spec_vnops.c:222 VOP_READ(fffffd806edd30d8,ffff800023fcd838,10,fffffd807f7bf900) at VOP_READ+0xbf sys/kern/vfs_vops.c:247 vn_read(fffffd8066d32d28,ffff800023fcd838,0) at vn_read+0x124 sys/kern/vfs_vnops.c:375 dofilereadv(ffff800020ec6288,f0,ffff800023fcd838,0,ffff800023fcd920) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff800020ec6288,ffff800023fcd8d0,ffff800023fcd920) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff800023fcd9a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023fcd9a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ebb8fae170, count: -8 ddb{1}> show registers rdi 0 rsi 0x3da rbp 0xffff800023fcd5c0 rbx 0xfffffd0000000000 rdx 0x152 rcx 0xffff800000a0d7c0 rax 0xffffffff81a23f33 tun_dev_read+0x133 r8 0x7f7fffffc000 r9 0x5 r10 0x1d77b51f95537731 r11 0x811d7dcdf76b4a0b r12 0 r13 0x3da r14 0xffff800000a23e60 r15 0xffff800023fcd838 rip 0xffffffff81a23f38 tun_dev_read+0x138 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800023fcd560 ss 0x10 tun_dev_read+0x138: movl 0x18(%rbx),%r12d ddb{1}> show proc PROC (syz-executor.1) pid=252505 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff800020ec69d8,0xffffffff82642588 process=0xffff800020e923f8 user=0xffff800023fc8000, vmspace=0xfffffd807f0002e0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 48854 484640 81575 0 7 0 syz-executor.1 *48854 252505 81575 0 7 0x4000000 syz-executor.1 62756 485082 29257 0 3 0x80 nanosleep syz-executor.0 62756 116840 29257 0 3 0x4000080 fsleep syz-executor.0 62756 41601 29257 0 3 0x4000080 fsleep syz-executor.0 11400 407953 0 0 3 0x14200 acct acct 97544 99822 0 0 3 0x14200 bored sosplice 81575 416646 64784 0 3 0x82 nanosleep syz-executor.1 29257 465893 64784 0 3 0x82 nanosleep syz-executor.0 64784 490145 76057 0 3 0x82 thrsleep syz-fuzzer 64784 459855 76057 0 3 0x4000082 nanosleep syz-fuzzer 64784 427396 76057 0 3 0x4000082 kqread syz-fuzzer 64784 76093 76057 0 3 0x4000082 thrsleep syz-fuzzer 64784 144289 76057 0 3 0x4000082 thrsleep syz-fuzzer 64784 187362 76057 0 3 0x4000082 nanosleep syz-fuzzer 64784 123431 76057 0 3 0x4000082 thrsleep syz-fuzzer 64784 405950 76057 0 3 0x4000082 thrsleep syz-fuzzer 64784 387048 76057 0 3 0x4000082 thrsleep syz-fuzzer 64784 350249 76057 0 3 0x4000082 thrsleep syz-fuzzer 76057 182439 64087 0 3 0x10008a pause ksh 64087 483968 47807 0 3 0x92 select sshd 36296 502719 1 0 3 0x100083 ttyin getty 47807 497197 1 0 3 0x80 select sshd 84338 277851 77628 74 3 0x100092 bpf pflogd 77628 17381 1 0 3 0x80 netio pflogd 28418 256820 84351 73 3 0x100090 kqread syslogd 84351 304974 1 0 3 0x100082 netio syslogd 35482 517718 1 77 3 0x100090 poll dhclient 50124 352731 1 0 3 0x80 poll dhclient 49882 98095 0 0 3 0x14200 bored smr 73203 7509 0 0 3 0x14200 pgzero zerothread 94069 517681 0 0 3 0x14200 aiodoned aiodoned 6029 57646 0 0 3 0x14200 syncer update 87793 201855 0 0 3 0x14200 cleaner cleaner 89307 446260 0 0 3 0x14200 reaper reaper 89363 72330 0 0 3 0x14200 pgdaemon pagedaemon 26319 190958 0 0 3 0x14200 bored crynlk 24288 19351 0 0 3 0x14200 bored crypto 43230 421653 0 0 3 0x40014200 acpi0 acpi0 60134 339070 0 0 3 0x40014200 idle1 81722 117922 0 0 3 0x14200 bored softnet 11890 77573 0 0 3 0x14200 bored systqmp 76334 265900 0 0 3 0x14200 bored systq 4459 122482 0 0 3 0x40014200 bored softclock 45237 474654 0 0 3 0x40014200 idle0 1 187684 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 48854 (syz-executor.1) thread 0xffff800020ec6288 (252505) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff826a4c60) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 vn_read+0x45 sys/kern/vfs_vnops.c:357 #2 dofilereadv+0x1a1 sys/kern/sys_generic.c:237 #3 sys_read+0x83 sys/kern/sys_generic.c:157 #4 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #4 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #5 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9513 6413K 6925K 78643K 10988 0 pcb 13 8K 8K 78643K 40 0 rtable 113 5K 6K 78643K 326 0 ifaddr 72 14K 15K 78643K 119 0 counters 43 33K 34K 78643K 59 0 ioctlops 0 0K 4K 78643K 1494 0 iov 0 0K 16K 78643K 19 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1339 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 42 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 6 17K 25K 78643K 236 0 sigio 0 0K 0K 78643K 2 0 proc 61 63K 95K 78643K 458 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 1K 78643K 366 0 in_multi 42 2K 2K 78643K 69 0 ether_multi 1 0K 0K 78643K 6 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 233 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 124 39K 43K 78643K 1697 0 UVM aobj 8 2K 2K 78643K 8 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 26 0 NDP 11 0K 0K 78643K 24 0 temp 102 3038K 3116K 78643K 10303 0 kqueue 3 4K 12K 78643K 14 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 10 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 31 0 29 1 0 1 1 0 8 0 rtentry 112 59 0 16 2 0 2 2 0 8 0 unpcb 120 80 0 70 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 95 0 91 1 0 1 1 0 8 0 inpcb 280 436 0 429 2 0 2 2 0 8 1 nd6 48 7 0 3 1 0 1 1 0 8 0 ppxss 1128 2 0 2 2 1 1 1 0 8 1 pfstscr 40 1 0 0 1 0 1 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 6 0 4 1 0 1 1 0 8 0 pfstitem 24 19 0 2 1 0 1 1 0 8 0 pfstkey 112 19 0 2 1 0 1 1 0 8 0 pfstate 328 18 0 2 2 0 2 2 0 8 0 pfrule 1360 24 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 230 0 46 13 0 13 13 0 8 0 art_table 32 231 0 46 2 0 2 2 0 8 0 art_node 16 58 0 21 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 34 0 24 1 0 1 1 0 8 0 shmpl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1740 0 333 89 0 89 89 0 8 0 ffsino 272 1740 0 333 95 0 95 95 0 8 1 nchpl 144 2246 0 633 60 0 60 60 0 8 0 uvmvnodes 72 1863 0 0 34 0 34 34 0 8 0 vnodes 208 1863 0 0 99 0 99 99 0 8 0 namei 1024 5954 0 5954 1 0 1 1 0 8 1 percpumem 16 40 0 8 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 5 0 3 1 0 1 1 0 8 0 pfiaddrpl 120 3 0 1 1 0 1 1 0 8 0 scxspl 192 6399 0 6399 7 1 6 6 0 8 6 plimitpl 152 31 0 23 1 0 1 1 0 8 0 sigapl 424 453 0 419 4 0 4 4 0 8 0 futexpl 56 3026 0 3024 1 0 1 1 0 8 0 knotepl 112 75 0 56 1 0 1 1 0 8 0 kqueuepl 144 30 0 28 1 0 1 1 0 8 0 pipelkpl 48 109 0 99 1 0 1 1 0 8 0 pipepl 120 218 0 199 1 0 1 1 0 8 0 fdescpl 496 436 0 419 3 0 3 3 0 8 0 filepl 152 2372 0 2272 5 0 5 5 0 8 1 lockfpl 104 64 0 63 1 0 1 1 0 8 0 lockfspl 48 27 0 26 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 182 0 173 1 0 1 1 0 8 0 zombiepl 144 419 0 419 1 0 1 1 0 8 1 processpl 984 453 0 419 5 0 5 5 0 8 0 procpl 624 913 0 867 4 0 4 4 0 8 0 sosppl 128 3 0 3 1 1 0 1 0 8 0 sockpl 400 547 0 528 5 1 4 4 0 8 2 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 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 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 153 0 0 19 0 19 19 0 8 0 mtagpl 80 16 0 0 1 0 1 1 0 8 0 mbufpl 256 181 0 0 11 0 11 11 0 8 0 bufpl 280 3824 0 132 264 0 264 264 0 8 0 anonpl 16 56644 0 41484 77 1 76 76 0 124 14 amapchunkpl 152 2422 0 2286 11 0 11 11 0 158 3 amappl16 192 1925 0 1106 48 0 48 48 0 8 7 amappl15 184 106 0 103 1 0 1 1 0 8 0 amappl14 176 25 0 20 1 0 1 1 0 8 0 amappl13 168 32 0 28 1 0 1 1 0 8 0 amappl12 160 15 0 13 2 1 1 1 0 8 0 amappl11 152 255 0 236 1 0 1 1 0 8 0 amappl10 144 24 0 17 1 0 1 1 0 8 0 amappl9 136 388 0 387 1 0 1 1 0 8 0 amappl8 128 345 0 310 2 0 2 2 0 8 0 amappl7 120 118 0 107 1 0 1 1 0 8 0 amappl6 112 119 0 115 1 0 1 1 0 8 0 amappl5 104 330 0 311 1 0 1 1 0 8 0 amappl4 96 499 0 466 1 0 1 1 0 8 0 amappl3 88 117 0 111 1 0 1 1 0 8 0 amappl2 80 2638 0 2560 2 0 2 2 0 8 0 amappl1 72 19209 0 18748 23 13 10 18 0 8 0 amappl 80 1171 0 1125 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 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 441 0 422 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 441 0 422 1 0 1 1 0 8 0 vmmpekpl 168 7367 0 7334 2 0 2 2 0 8 0 vmmpepl 168 59710 0 57620 113 10 103 110 0 357 12 vmsppl 368 440 0 422 2 0 2 2 0 8 0 pdppl 4096 890 0 846 6 0 6 6 0 8 0 pvpl 32 183785 0 165390 182 0 182 182 0 265 33 pmappl 232 440 0 422 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 259 0 4 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(ffffffff82503ff0) 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(ffffffff826a4a58) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff826a4a58) at __mp_lock+0x127 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f userret(ffff800020ec69d8) at userret+0x379 sys/kern/kern_sig.c:1894 syscall(ffff800023fc6f90) at syscall+0x55f mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff800023fc6f90) at syscall+0x55f sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc89a0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at tun_dev_read+0x138: movl 0x18(%rbx),%r12d ddb{1}> trace tun_dev_read(5d01,ffff800023fcd838,10) at tun_dev_read+0x138 sys/net/if_tun.c:790 spec_read(ffff800023fcd680) at spec_read+0xf1 sys/kern/spec_vnops.c:222 VOP_READ(fffffd806edd30d8,ffff800023fcd838,10,fffffd807f7bf900) at VOP_READ+0xbf sys/kern/vfs_vops.c:247 vn_read(fffffd8066d32d28,ffff800023fcd838,0) at vn_read+0x124 sys/kern/vfs_vnops.c:375 dofilereadv(ffff800020ec6288,f0,ffff800023fcd838,0,ffff800023fcd920) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff800020ec6288,ffff800023fcd8d0,ffff800023fcd920) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff800023fcd9a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023fcd9a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ebb8fae170, count: -8