login: uvm_fault(0xffffffff8223b348, 0xffff800003a1e000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff8223b348, 0xffff800003a1e000, 0, 1) -> e memcpy(fffffd8078788158,ffff800003a1df0d,7,fffffd8078788158,7e7dddb1f57d0e6,ffff800020c2ef78) at memcpy+0x15 end trace frame: 0xffff800020c2ee80, count: 0 ddb{1}> trace memcpy(fffffd8078788158,ffff800003a1df0d,7,fffffd8078788158,7e7dddb1f57d0e6,ffff800020c2ef78) at memcpy+0x15 rtrequest(1,ffff800020c2ef78,38,ffff800020c2eec0,7) at rtrequest+0x83c sys/net/route.c:917 rtm_output(ffff800003a1df00,ffff800020c2ef70,ffff800020c2ef78,38,7) at rtm_output+0x760 sys/net/rtsock.c:888 route_output(fffffd806d7b8a00,fffffd806f72c600,0,0) at route_output+0x79b sys/net/rtsock.c:806 route_usrreq(fffffd806f72c600,9,fffffd806d7b8a00,0,0,ffff800020b384c8) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd806f72c600,0,ffff800020c2f238,0,0,0) at sosend+0x6eb sys/kern/uipc_socket.c:513 sendit(ffff800020b384c8,3,ffff800020c2f2f8,0,ffff800020c2f3c0) at sendit+0x590 sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020b384c8,ffff800020c2f3d8,ffff800020c2f3c0) at sys_sendto+0x92 syscall(ffff800020c2f470) at syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(ffff800020c2f470) at syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574 Xsyscall(6,0,ffffffffffffffd8,0,6,7a3491f3010) at Xsyscall+0x128 end of kernel end trace frame: 0x7a579c1c8a0, count: -10 ddb{1}> show registers rdi 0xffff800003a1d0f0 rsi 0xffff800003a1dffd rbp 0xffff800020c2ed70 rbx 0xffff800003a1df0d rdx 0x100 rcx 0x2 rax 0xfffffffffffff0f3 r8 0 r9 0x5 r10 0x4284c935709e5b9d r11 0xffff800003a1d000 r12 0xffff800003a1d000 r13 0x100 r14 0 r15 0xfffffd8078788158 rip 0xffffffff816fc665 memcpy+0x15 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800020c2ed08 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor.1) pid=475187 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020b39c38,0xffffffff8237cfc8 process=0xffff800020b8c360 user=0xffff800020c2a000, vmspace=0xfffffd807effd2d0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 2515 218401 2189 0 7 0 syz-executor.1 * 2515 475187 2189 0 7 0x4000000 syz-executor.1 20621 7676 1 0 3 0x100083 ttyin getty 2189 487335 4725 0 3 0x82 nanosleep syz-executor.1 17486 3009 4725 0 3 0x2 biowait syz-executor.0 48063 112618 0 0 3 0x14200 bored sosplice 4725 403544 52123 0 3 0x82 thrsleep syz-fuzzer 4725 260173 52123 0 3 0x4000082 thrsleep syz-fuzzer 4725 242781 52123 0 3 0x4000082 thrsleep syz-fuzzer 4725 444704 52123 0 3 0x4000082 thrsleep syz-fuzzer 4725 237137 52123 0 3 0x4000082 thrsleep syz-fuzzer 4725 271131 52123 0 3 0x4000082 thrsleep syz-fuzzer 4725 23289 52123 0 3 0x4000082 thrsleep syz-fuzzer 4725 508741 52123 0 3 0x4000082 thrsleep syz-fuzzer 4725 490243 52123 0 3 0x4000082 thrsleep syz-fuzzer 4725 442736 52123 0 3 0x4000082 kqread syz-fuzzer 52123 68620 23033 0 3 0x10008a pause ksh 23033 429202 58624 0 3 0x92 select sshd 58624 387205 1 0 3 0x80 select sshd 26916 130273 78820 74 3 0x100092 bpf pflogd 78820 178267 1 0 3 0x80 netio pflogd 27656 513508 43774 73 2 0x100090 syslogd 43774 413272 1 0 3 0x100082 netio syslogd 28878 323272 1 77 3 0x100090 poll dhclient 72805 39081 1 0 3 0x80 poll dhclient 1639 610 0 0 3 0x14200 pgzero zerothread 82162 167803 0 0 3 0x14200 aiodoned aiodoned 32155 79156 0 0 3 0x14200 syncer update 32833 331797 0 0 3 0x14200 cleaner cleaner 65427 172811 0 0 3 0x14200 reaper reaper 55045 363511 0 0 3 0x14200 pgdaemon pagedaemon 95710 123530 0 0 3 0x14200 bored crynlk 13537 140165 0 0 3 0x14200 bored crypto 66034 243280 0 0 3 0x40014200 acpi0 acpi0 4256 372983 0 0 3 0x40014200 idle1 52532 490053 0 0 3 0x14200 bored softnet 67389 433259 0 0 3 0x14200 bored systqmp 95469 317187 0 0 3 0x14200 bored systq 30344 507414 0 0 3 0x40014200 bored softclock 15635 262935 0 0 3 0x40014200 idle0 26759 200676 0 0 3 0x14200 bored smr 1 417677 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 2515 (syz-executor.1) thread 0xffff800020b384c8 (475187) exclusive rwlock netlock r = 0 (0xffffffff821cd098) locked @ /syzkaller/managers/multicore/kernel/sys/net/rtsock.c:883 #0 witness_lock+0x594 sys/kern/subr_witness.c:1201 #1 rtm_output+0x6b0 sys/net/rtsock.c:884 #2 route_output+0x79b sys/net/rtsock.c:806 #3 route_usrreq+0x35d sys/net/rtsock.c:271 #4 sosend+0x6eb sys/kern/uipc_socket.c:513 #5 sendit+0x590 sys/kern/uipc_syscalls.c:662 #6 sys_sendto+0x92 #7 syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline] #7 syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82394290) locked @ /syzkaller/managers/multicore/kernel/sys/arch/amd64/amd64/trap.c:161 #0 witness_lock+0x594 sys/kern/subr_witness.c:1201 #1 solock+0x7e sys/kern/uipc_socket2.c:292 #2 sosend+0x586 sys/kern/uipc_socket.c:501 #3 sendit+0x590 sys/kern/uipc_syscalls.c:662 #4 sys_sendto+0x92 #5 syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline] #5 syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574 #6 Xsyscall+0x128 Process 17486 (syz-executor.0) thread 0xffff800020b38978 (3009) exclusive rrwlock inode r = 0 (0xfffffd806f8a22b8) locked @ /syzkaller/managers/multicore/kernel/sys/ufs/ufs/ufs_ihash.c:140 #0 witness_lock+0x594 sys/kern/subr_witness.c:1201 #1 _rw_enter+0x45d sys/kern/kern_rwlock.c:280 #2 _rrw_enter+0x60 sys/kern/kern_rwlock.c:410 #3 ufs_ihashins+0x6d sys/ufs/ufs/ufs_ihash.c:140 #4 ffs_vget+0x143 sys/ufs/ffs/ffs_vfsops.c:1352 #5 ffs_inode_alloc+0x1cf sys/ufs/ffs/ffs_alloc.c:392 #6 ufs_mkdir+0x10f sys/ufs/ufs/ufs_vnops.c:1164 #7 VOP_MKDIR+0x76 sys/kern/vfs_vops.c:449 #8 domkdirat+0x12d sys/kern/vfs_syscalls.c:2881 #9 syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline] #9 syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8068997b40) locked @ /syzkaller/managers/multicore/kernel/sys/ufs/ufs/ufs_vnops.c:1547 #0 witness_lock+0x594 sys/kern/subr_witness.c:1201 #1 _rw_enter+0x45d sys/kern/kern_rwlock.c:280 #2 _rrw_enter+0x60 sys/kern/kern_rwlock.c:410 #3 VOP_LOCK+0x57 sys/kern/vfs_vops.c:602 #4 vn_lock+0x6e sys/kern/vfs_vnops.c:549 #5 vfs_lookup+0xf5 sys/kern/vfs_lookup.c:387 #6 namei+0x4b2 sys/kern/vfs_lookup.c:224 #7 domkdirat+0x81 sys/kern/vfs_syscalls.c:2866 #8 syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline] #8 syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9522 6774K 6790K 78643K 11047 0 0 pcb 26 9K 11K 78643K 1556 0 0 rtable 109 5K 5K 78643K 675 0 0 ifaddr 59 13K 14K 78643K 195 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1483 0 0 iov 0 0K 16K 78643K 92 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1183 74K 75K 78643K 3278 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 17 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 0K 1K 78643K 877 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12628 0 0 file desc 5 13K 21K 78643K 2437 0 0 sigio 0 0K 0K 78643K 10 0 0 proc 54 51K 71K 78643K 690 0 0 subproc 64 65538K 67586K 78643K 408 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 83 0 0 in_multi 33 2K 2K 78643K 185 0 0 ether_multi 1 0K 0K 78643K 7 0 0 mrt 0 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 78 344K 344K 78643K 78 0 0 exec 0 0K 1K 78643K 1315 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 94 21K 30K 78643K 8091 0 0 UVM aobj 50 2K 2K 78643K 51 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 54 0 0 NDP 12 0K 0K 78643K 65 0 0 temp 174 2379K 2449K 78643K 9173 0 0 kqueue 0 0K 0K 78643K 4 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 14 0 10 1 0 1 1 0 8 0 inpcbpl 280 423 0 416 1 0 1 1 0 8 0 plimitpl 152 47 0 39 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 135 0 94 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 135 0 131 1 0 1 1 0 8 0 nd6 48 24 0 20 1 0 1 1 0 8 0 ppxss 1128 15 0 15 4 4 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 30 0 25 1 0 1 1 0 8 0 pfstkey 112 30 0 25 1 0 1 1 0 8 0 pfstate 328 30 0 25 2 1 1 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 256 603 0 412 12 0 12 12 0 8 0 art_table 32 604 0 412 2 0 2 2 0 8 0 art_node 16 130 0 96 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 872 0 862 1 0 1 1 0 8 0 shmpl 112 49 0 1 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 7563 0 6116 47 0 47 47 0 8 0 ffsino 272 7563 0 6116 97 0 97 97 0 8 0 nchpl 144 11229 0 9581 64 2 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 34116 0 34115 1 0 1 1 0 8 0 percpumem 16 30 0 0 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 26690 0 26689 13 10 3 7 0 8 2 sigapl 432 2608 0 2593 2 0 2 2 0 8 0 futexpl 56 29924 0 29924 1 0 1 1 0 8 1 knotepl 112 354 0 335 1 0 1 1 0 8 0 kqueuepl 104 166 0 164 1 0 1 1 0 8 0 pipepl 112 900 0 881 2 1 1 2 0 8 0 fdescpl 488 2609 0 2593 3 0 3 3 0 8 0 filepl 152 13569 0 13469 8 3 5 7 0 8 1 lockfpl 104 4410 0 4410 2 1 1 1 0 8 1 lockfspl 32 11934 0 11934 2 1 1 1 0 8 1 sessionpl 112 30 0 19 1 0 1 1 0 8 0 pgrppl 48 49 0 38 1 0 1 1 0 8 0 ucredpl 96 3426 0 3417 1 0 1 1 0 8 0 zombiepl 144 2593 0 2593 1 0 1 1 0 8 1 processpl 840 2625 0 2593 4 0 4 4 0 8 0 procpl 600 7202 0 7160 4 0 4 4 0 8 0 srpgc 64 60 0 60 6 6 0 1 0 8 0 sosppl 128 7 0 7 3 3 0 1 0 8 0 sockpl 384 1901 0 1881 6 3 3 4 0 8 1 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 14 0 0 2 0 2 2 0 8 0 mcl9k 9216 9 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 13 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 133 0 0 16 1 15 16 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 238 0 0 9 0 9 9 0 8 0 bufpl 256 9229 0 2205 440 0 440 440 0 8 0 anonpl 16 214011 0 205465 75 23 52 52 0 125 15 amapchunkpl 152 13613 0 13531 20 16 4 9 0 158 0 amappl16 192 10662 0 10205 52 21 31 35 0 8 8 amappl15 184 1013 0 1008 1 0 1 1 0 8 0 amappl14 176 232 0 229 1 0 1 1 0 8 0 amappl13 168 311 0 305 1 0 1 1 0 8 0 amappl12 160 822 0 820 1 0 1 1 0 8 0 amappl11 152 1102 0 1086 1 0 1 1 0 8 0 amappl10 144 247 0 244 1 0 1 1 0 8 0 amappl9 136 635 0 631 1 0 1 1 0 8 0 amappl8 128 225 0 200 1 0 1 1 0 8 0 amappl7 120 82 0 76 1 0 1 1 0 8 0 amappl6 112 196 0 187 1 0 1 1 0 8 0 amappl5 104 751 0 737 1 0 1 1 0 8 0 amappl4 96 2908 0 2875 2 1 1 2 0 8 0 amappl3 88 538 0 532 1 0 1 1 0 8 0 amappl2 80 22631 0 22574 2 0 2 2 0 8 0 amappl1 72 62587 0 62145 25 15 10 20 0 8 0 amappl 72 7508 0 7474 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 50 0 1 1 0 1 1 0 8 0 uaddrrnd 24 2609 0 2593 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2609 0 2593 1 0 1 1 0 8 0 vmmpekpl 168 22567 0 22545 2 0 2 2 0 8 0 vmmpepl 168 274348 0 272880 141 62 79 85 0 357 11 vmsppl 360 2608 0 2593 2 0 2 2 0 8 0 pdppl 4096 5226 0 5186 6 0 6 6 0 8 0 pvpl 32 632208 0 620370 195 62 133 133 0 265 32 pmappl 224 2608 0 2593 3 2 1 2 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 595 0 4 17 0 17 17 0 8 0