Warning: Permanently added '10.128.0.75' (ECDSA) to the list of known hosts. executing program executing program executing program executing program login: wsevent_fini: already invoked pckbd_enable: command error uvm_fault(0xfffffd806e90e2d8, 0x28, 0, 2) -> e kernel: page fault trap, code=0 Stopped at wsmux_do_ioctl+0x6ba: movq %rax,0x10(%rdx,%r15,8) ddb{0}> ddb{0}> set $lines = 0 ddb{0}> show panic kernel page fault uvm_fault(0xfffffd806e90e2d8, 0x28, 0, 2) -> e wsmux_do_ioctl(ee79b6071e14d62b,80185760,fffffd806dc2f580,f,fffffd807f7c7ba0) at wsmux_do_ioctl+0x6ba end trace frame: 0xffff800020c22f10, count: 0 ddb{0}> trace wsmux_do_ioctl(ee79b6071e14d62b,80185760,fffffd806dc2f580,f,fffffd807f7c7ba0) at wsmux_do_ioctl+0x6ba VOP_IOCTL(5636c2c0f7c1dde2,80185760,fffffd80741ef260,ffff800020b74e18,fffffd806dc2f580,ffff800020b74e18) at VOP_IOCTL+0x80 vn_ioctl(22cc9d2c988fcff,fffffd80741ef260,ffff800020b74e18,18) at vn_ioctl+0xc5 sys_ioctl(b503842e34188979,0,ffff800020b74e18) at sys_ioctl+0x652 syscall(68b32b9fc24c344b) at syscall+0x5a0 Xsyscall(6,0,e4763a350c8,0,e4763a350a8,e4763a350a0) at Xsyscall+0x128 end of kernel end trace frame: 0xe499ac51a50, count: -6 ddb{0}> show registers rdi 0xff rsi 0x2 rbp 0xffff800020c22e90 rbx 0x2 rdx 0 rcx 0x1 rax 0x3 r8 0xffffffff815384e0 wsmux_do_ioctl+0x1e0 r9 0x7 r10 0xc4eb83199e035252 r11 0x114bc7164b73d443 r12 0xffff800000026f50 r13 0 r14 0xffff800020c23040 r15 0x3 rip 0xffffffff815389ba wsmux_do_ioctl+0x6ba cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff800020c22e40 ss 0x10 wsmux_do_ioctl+0x6ba: movq %rax,0x10(%rdx,%r15,8) ddb{0}> show proc PROC (syz-executor9909) pid=420318 stat=onproc flags process=0 proc=4000000 pri=51, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800020b74260,0xffff800020b75080 process=0xffff800020bcad38 user=0xffff800020c1e000, vmspace=0xfffffd806e90e2d8 estcpu=1, cpticks=4, pctcpu=0.98 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 69030 348331 55491 0 2 0 syz-executor9909 *69030 420318 55491 0 7 0x4000000 syz-executor9909 69030 436165 55491 0 3 0x4000080 fsleep syz-executor9909 32630 358330 49290 0 2 0 syz-executor9909 32630 367158 49290 0 3 0x4000080 fsleep syz-executor9909 32630 468459 49290 0 3 0x4000080 fsleep syz-executor9909 49290 305927 8066 0 3 0x80 nanosleep syz-executor9909 55491 442504 8066 0 3 0x80 nanosleep syz-executor9909 8066 287238 48578 0 3 0x82 nanosleep syz-executor9909 48578 233777 68021 0 3 0x10008a pause ksh 68021 18953 58919 0 3 0x92 select sshd 13705 478653 1 0 3 0x100083 ttyin getty 58919 470461 1 0 3 0x80 select sshd 65885 189643 48888 73 7 0x100090 syslogd 48888 13318 1 0 3 0x100082 netio syslogd 66029 326756 1 77 3 0x100090 poll dhclient 34691 113779 1 0 3 0x80 poll dhclient 81913 99959 0 0 2 0x14200 zerothread 61080 136206 0 0 3 0x14200 aiodoned aiodoned 63388 41938 0 0 3 0x14200 syncer update 71473 105061 0 0 3 0x14200 cleaner cleaner 29525 10284 0 0 3 0x14200 reaper reaper 79326 417329 0 0 3 0x14200 pgdaemon pagedaemon 8239 317961 0 0 3 0x14200 bored crynlk 97430 111889 0 0 3 0x14200 bored crypto 4087 510994 0 0 3 0x40014200 acpi0 acpi0 11957 156260 0 0 3 0x40014200 idle1 79115 437826 0 0 3 0x14200 bored softnet 5909 422232 0 0 3 0x14200 bored systqmp 5492 205634 0 0 3 0x14200 bored systq 91342 417038 0 0 3 0x40014200 bored softclock 85271 421340 0 0 3 0x40014200 idle0 1 105146 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 69030 (syz-executor9909) thread 0xffff800020b74e18 (420318) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8230c478) locked @ /syzkaller/managers/multicore/kernel/sys/arch/amd64/amd64/trap.c:161 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9442 6315K 6323K 78643K 10531 0 0 pcb 23 9K 9K 78643K 55 0 0 rtable 61 2K 2K 78643K 115 0 0 ifaddr 21 7K 7K 78643K 21 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 2K 78643K 13 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1166 73K 73K 78643K 1173 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 1K 78643K 2 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 2 0K 0K 78643K 2 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1792 194K 288K 78643K 12592 0 0 file desc 1 0K 0K 78643K 1 0 0 proc 40 38K 46K 78643K 201 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 in_multi 11 0K 0K 78643K 11 0 0 ether_multi 1 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 18 79K 79K 78643K 18 0 0 exec 0 0K 1K 78643K 149 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 58 3K 3K 78643K 666 0 0 UVM aobj 2 2K 2K 78643K 2 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 NDP 3 0K 0K 78643K 3 0 0 temp 30 2347K 2411K 78643K 1690 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 2 0 0 1 0 1 1 0 8 0 inpcbpl 280 22 0 16 1 0 1 1 0 8 0 plimitpl 152 13 0 8 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 syncache 264 5 0 5 1 0 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 96 0 0 6 0 6 6 0 8 0 art_table 32 97 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1385 0 20 45 0 45 45 0 8 0 ffsino 272 1385 0 20 92 0 92 92 0 8 0 nchpl 144 1555 0 30 57 0 57 57 0 8 0 uvmvnodes 72 1394 0 0 26 0 26 26 0 8 0 vnodes 200 1394 0 0 74 0 74 74 0 8 0 namei 1024 3270 0 3270 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 2367 0 2367 8 2 6 6 0 8 6 sigapl 432 179 0 165 2 0 2 2 0 8 0 futexpl 56 14 0 11 1 0 1 1 0 8 0 knotepl 112 5 0 0 1 0 1 1 0 8 0 kqueuepl 104 1 0 0 1 0 1 1 0 8 0 pipepl 112 114 0 107 2 1 1 1 0 8 0 fdescpl 488 180 0 165 2 0 2 2 0 8 0 filepl 152 814 0 771 2 0 2 2 0 8 0 lockfpl 96 9 0 8 2 1 1 1 0 8 0 lockfspl 24 5 0 4 2 1 1 1 0 8 0 sessionpl 112 17 0 9 1 0 1 1 0 8 0 pgrppl 48 17 0 9 1 0 1 1 0 8 0 ucredpl 96 47 0 40 1 0 1 1 0 8 0 zombiepl 144 165 0 165 2 1 1 1 0 8 1 processpl 840 194 0 165 4 0 4 4 0 8 0 procpl 600 202 0 169 3 0 3 3 0 8 0 sockpl 384 64 0 48 2 0 2 2 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 67 0 0 9 0 9 9 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 84 0 0 6 0 6 6 0 8 0 bufpl 256 2013 0 261 110 0 110 110 0 8 0 anonpl 16 16993 0 15784 6 1 5 6 0 125 0 amapchunkpl 152 507 0 460 2 0 2 2 0 158 0 amappl16 192 88 0 82 1 0 1 1 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 1 0 1 1 1 0 1 0 8 0 amappl13 168 16 0 13 1 0 1 1 0 8 0 amappl12 160 11 0 11 1 1 0 1 0 8 0 amappl11 152 171 0 162 1 0 1 1 0 8 0 amappl10 144 45 0 45 2 1 1 1 0 8 1 amappl9 136 209 0 208 1 0 1 1 0 8 0 amappl8 128 110 0 98 1 0 1 1 0 8 0 amappl7 120 30 0 25 1 0 1 1 0 8 0 amappl6 112 43 0 39 1 0 1 1 0 8 0 amappl5 104 133 0 123 1 0 1 1 0 8 0 amappl4 96 258 0 238 1 0 1 1 0 8 0 amappl3 88 112 0 106 1 0 1 1 0 8 0 amappl2 80 566 0 511 2 0 2 2 0 8 0 amappl1 72 11674 0 11238 15 5 10 15 0 8 0 amappl 72 377 0 350 1 0 1 1 0 75 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 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 180 0 165 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 180 0 165 1 0 1 1 0 8 0 vmmpekpl 168 5131 0 5111 1 0 1 1 0 8 0 vmmpepl 168 23623 0 22758 53 15 38 43 0 357 0 vmsppl 360 179 0 165 2 0 2 2 0 8 0 pdppl 4096 367 0 330 5 0 5 5 0 8 0 pvpl 32 70358 0 67411 30 4 26 26 0 265 2 pmappl 224 179 0 165 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 238 0 3 7 0 7 7 0 8 0 ddb{0}>