kernel: protection fault trap, code=0 Stopped at ktrops+0x4e: movq 0x8(%rbx),%r14 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace ktrops(ffff80002c0e7a98,dead4110dead4110,0,80001100,fffffd8067c21558,fffffd807f7d7a28) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002c0e7a98,dead4110dead4110,0,80001100,fffffd8067c21558,fffffd807f7d7a28) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd8067c21558,4,1100,ffffffff,ffff80002c0e7a98) at doktrace+0x428 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8067c21558,4,1100,ffffffff,ffff80002c0e7a98) at doktrace+0x428 sys/kern/kern_ktrace.c:493 sys_ktrace(ffff80002c0e7a98,ffff80002daf3140,ffff80002daf3090) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002daf3140) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x31f4da05fa0, count: -5 ddb> show registers rdi 0xffff80002c0e7a98 rsi 0xdead4110dead4110 rbp 0xffff80002daf2e60 rbx 0xdead4110dead4110 rdx 0 rcx 0x80001100 __kernel_virt_to_phys+0x1100 rax 0xffff80002c0e7a98 r8 0xfffffd8067c21558 r9 0xfffffd807f7d7a28 r10 0xbc79b4eb929e132 r11 0x433a61e14ec4977 r12 0xffff8000fffff670 r13 0xfffffd807f7d7a28 r14 0xffff80002c0e7a98 r15 0x80001100 __kernel_virt_to_phys+0x1100 rip 0xffffffff81b6ed7e ktrops+0x4e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002daf2de0 ss 0 ktrops+0x4e: movq 0x8(%rbx),%r14 ddb> show proc PROC (syz-executor.2) tid=276970 pid=45793 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=66, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002c0e6008,0xffff80002a61ad70 process=0xffff8000377e3688 user=0xffff80002daee000, vmspace=0xfffffd8067558190 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 71788 171694 16525 0 2 0 syz-executor.7 71788 46190 16525 0 3 0x4000000 biowait syz-executor.7 45793 134598 50269 0 2 0 syz-executor.2 *45793 276970 50269 0 7 0x4000000 syz-executor.2 45793 211956 50269 0 2 0x4000000 syz-executor.2 45793 359370 50269 0 2 0x4000000 syz-executor.2 89715 450587 85399 0 3 0x80 nanoslp syz-executor.6 89715 115472 85399 0 3 0x4000080 ttyout syz-executor.6 89715 407262 85399 0 3 0x4000080 fsleep syz-executor.6 70490 69967 67402 0 2 0x2 syz-executor.5 17069 443601 67402 0 2 0x2 syz-executor.0 18482 292576 0 0 3 0x14280 nfsidl nfsio 59060 85345 0 0 3 0x14280 nfsidl nfsio 58227 326969 0 0 3 0x14280 nfsidl nfsio 44794 62111 0 0 3 0x14280 nfsidl nfsio 88305 303511 0 0 3 0x14280 nfsidl nfsio 79353 498204 0 0 3 0x14280 nfsidl nfsio 34848 208133 0 0 3 0x14280 nfsidl nfsio 69383 368422 0 0 3 0x14280 nfsidl nfsio 56439 463675 0 0 3 0x14280 nfsidl nfsio 73697 316958 0 0 3 0x14280 nfsidl nfsio 35591 225171 0 0 3 0x14280 nfsidl nfsio 85256 272295 0 0 3 0x14280 nfsidl nfsio 17579 220001 0 0 3 0x14280 nfsidl nfsio 28618 341600 0 0 3 0x14280 nfsidl nfsio 98292 487134 0 0 3 0x14280 nfsidl nfsio 5972 151687 0 0 3 0x14280 nfsidl nfsio 93921 309514 0 0 3 0x14280 nfsidl nfsio 38082 260312 0 0 3 0x14280 nfsidl nfsio 483 90367 0 0 3 0x14280 nfsidl nfsio 72602 254190 0 0 3 0x14280 nfsidl nfsio 83902 437954 67402 0 2 0x2 syz-executor.3 85399 356110 67402 0 3 0x82 nanoslp syz-executor.6 64443 251426 0 0 3 0x14200 bored sosplice 16525 242842 67402 0 3 0x82 nanoslp syz-executor.7 87492 252484 67402 0 3 0x82 nanoslp syz-executor.4 95633 365322 67402 0 2 0x2 syz-executor.1 50269 152504 67402 0 2 0x482 syz-executor.2 67402 346969 94169 0 3 0x2000082 thrsleep syz-fuzzer 67402 248634 94169 0 3 0x6000082 nanoslp syz-fuzzer 67402 349109 94169 0 3 0x6000082 thrsleep syz-fuzzer 67402 61428 94169 0 3 0x6000082 wait syz-fuzzer 67402 443112 94169 0 3 0x6000082 wait syz-fuzzer 67402 273286 94169 0 3 0x6000082 wait syz-fuzzer 67402 487988 94169 0 3 0x6000082 wait syz-fuzzer 67402 245885 94169 0 3 0x6000082 wait syz-fuzzer 67402 287238 94169 0 3 0x6000082 wait syz-fuzzer 67402 78744 94169 0 3 0x6000082 thrsleep syz-fuzzer 67402 285142 94169 0 3 0x6000082 thrsleep syz-fuzzer 67402 354745 94169 0 3 0x6000082 wait syz-fuzzer 67402 413442 94169 0 3 0x6000082 wait syz-fuzzer 67402 330278 94169 0 2 0x6000002 syz-fuzzer 94169 421324 94903 0 3 0x10008a sigsusp ksh 94903 62332 1859 0 3 0x9a kqread sshd 57161 257281 1 0 3 0x100083 ttyin getty 1859 167489 1 0 3 0x88 kqread sshd 5530 91142 46478 73 3 0x1100090 kqread syslogd 46478 266546 1 0 3 0x100082 netio syslogd 22222 374145 1 0 3 0x100080 kqread resolvd 23173 8574 63010 77 3 0x100092 kqread dhcpleased 7406 8100 63010 77 3 0x100092 kqread dhcpleased 63010 467929 1 0 3 0x80 kqread dhcpleased 67034 437298 0 0 3 0x14200 bored smr 15839 511380 0 0 2 0x14200 zerothread 721 283826 0 0 3 0x14200 aiodoned aiodoned 92037 54731 0 0 3 0x14200 syncer update 82684 439075 0 0 3 0x14200 cleaner cleaner 44766 497480 0 0 3 0x14200 reaper reaper 72942 446470 0 0 3 0x14200 pgdaemon pagedaemon 24495 298586 0 0 3 0x14200 bored viomb 6041 26204 0 0 3 0x40014200 acpi0 acpi0 56926 399224 0 0 3 0x14200 bored softnet3 6305 13462 0 0 3 0x14200 bored softnet2 40819 306266 0 0 3 0x14200 bored softnet1 46865 121191 0 0 3 0x14200 bored softnet0 79690 136557 0 0 3 0x14200 bored systqmp 37478 404548 0 0 3 0x14200 bored systq 73666 520596 0 0 3 0x40014200 tmoslp softclock 82241 124916 0 0 3 0x40014200 idle0 1 274227 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10174 6409K 7530K 166960K 16700 0 pcb 15 18K 20K 166960K 394 0 rtable 200 7K 8K 166960K 709 0 pf 29 8K 9K 166960K 92 0 ifaddr 37 10K 11K 166960K 88 0 ifgroup 50 2K 2K 166960K 155 0 sysctl 4 1K 1K 166960K 4 0 counters 30 17K 17K 166960K 54 0 ioctlops 0 0K 2K 166960K 221 0 iov 0 0K 16K 166960K 415 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1472 92K 92K 166960K 3093 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 17 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 179 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 14 49K 73K 166960K 2963 0 sigio 0 0K 0K 166960K 149 0 proc 58 59K 75K 166960K 692 0 subproc 104 6K 6K 166960K 169 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 104 0 in_multi 77 5K 7K 166960K 166 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 1001 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 346 196K 196K 166960K 29501 0 UVM aobj 131 8K 8K 166960K 131 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 175 0 NDP 11 0K 1K 166960K 61 0 temp 74 6764K 7134K 166960K 26386 0 kqueue 12 18K 28K 166960K 254 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 162 0 159 2 0 2 2 0 8 1 rtentry 112 182 0 92 4 0 4 4 0 8 0 unpcb 144 1959 0 1946 9 3 6 6 0 8 5 syncache 336 48 0 48 2 1 1 1 0 8 1 tcpqe 32 422 0 422 2 1 1 1 0 8 1 tcpcb 808 1374 0 1367 27 18 9 15 0 8 8 arp 88 31 0 17 1 0 1 1 0 8 0 ipq 40 5 0 5 1 0 1 1 0 8 1 ipqe 40 75 0 75 1 0 1 1 0 8 1 inpcb 360 3119 0 3109 37 28 9 15 0 8 8 nd6 104 41 0 21 1 0 1 1 0 8 0 pkpcb 40 42 0 42 2 1 1 1 0 8 1 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1072 3 0 3 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 690 0 314 31 5 26 29 0 8 1 art_table 32 691 0 314 4 0 4 4 0 8 0 art_node 16 176 0 94 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 174 0 164 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 5365 0 3902 92 0 92 92 0 8 0 ffsino 240 5365 0 3902 87 0 87 87 0 8 0 nchpl 144 9573 0 7925 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 33248 0 33246 3 2 1 3 0 8 0 vcpupl 2048 49 0 0 7 0 7 7 0 8 0 vmpool 664 54 0 5 5 0 5 5 0 8 0 kstatmem 264 70 0 48 2 0 2 2 0 8 0 scxspl 216 33230 0 33229 11 7 4 8 1 8 3 plimitpl 152 388 0 371 1 0 1 1 0 8 0 sigapl 424 3391 0 3329 8 0 8 8 0 8 0 futexpl 64 28171 0 28170 1 0 1 1 0 8 0 knotepl 120 31600 0 31518 11 7 4 11 0 8 0 kqueuepl 184 544 0 536 6 3 3 4 0 8 2 pipepl 288 707 0 679 9 4 5 7 0 8 2 fdescpl 432 3234 0 3209 4 0 4 4 0 8 0 filepl 120 20490 0 20245 19 5 14 14 0 8 5 lockfpl 104 973 0 971 3 1 2 2 0 8 1 lockfspl 48 381 0 379 1 0 1 1 0 8 0 sessionpl 144 28 0 12 1 0 1 1 0 8 0 pgrppl 48 50 0 34 1 0 1 1 0 8 0 ucredpl 104 3010 0 3000 1 0 1 1 0 8 0 zombiepl 144 3330 0 3329 1 0 1 1 0 8 0 processpl 1072 3391 0 3329 5 0 5 5 0 8 0 procpl 680 7750 0 7669 10 1 9 9 0 8 1 sosppl 168 42 0 42 1 0 1 1 0 8 1 sockpl 488 5287 0 5258 89 75 14 24 0 8 8 mcl64k 65536 149 0 149 2 1 1 1 0 8 1 mcl16k 16384 79 0 79 2 1 1 1 0 8 1 mcl12k 12288 98 0 98 2 1 1 1 0 8 1 mcl9k 9216 48 0 48 2 1 1 1 0 8 1 mcl8k 8192 187 0 187 1 0 1 1 0 8 1 mcl4k 4096 408 0 408 6 3 3 4 0 8 3 mcl2k2 2112 20 0 20 2 1 1 1 0 8 1 mcl2k 2048 75118 0 75045 38 26 12 28 0 8 2 mtagpl 96 399 0 128 7 0 7 7 0 8 0 mbufpl 256 153905 0 153552 213 177 36 71 0 8 8 bufpl 280 10407 0 4015 457 0 457 457 0 8 0 anonpl 24 438421 0 424365 107 14 93 107 0 188 2 amapchunkpl 152 94775 0 93951 47 4 43 43 0 158 7 amappl16 200 10300 0 9863 36 11 25 36 0 8 1 amappl15 192 14 0 14 1 1 0 1 0 8 0 amappl14 184 163 0 151 2 1 1 2 0 8 0 amappl13 176 12 0 12 2 1 1 1 0 8 1 amappl12 168 3934 0 3906 2 0 2 2 0 8 0 amappl11 160 53 0 41 1 0 1 1 0 8 0 amappl10 152 33 0 23 1 0 1 1 0 8 0 amappl9 144 167 0 166 1 0 1 1 0 8 0 amappl8 136 225 0 169 3 0 3 3 0 8 0 amappl7 128 178 0 156 2 0 2 2 0 8 0 amappl6 120 360 0 353 1 0 1 1 0 8 0 amappl5 112 193 0 184 1 0 1 1 0 8 0 amappl4 104 527 0 506 2 1 1 2 0 8 0 amappl3 96 19124 0 19051 3 0 3 3 0 8 0 amappl2 88 3792 0 3725 3 1 2 3 0 8 0 amappl1 80 19920 0 19427 21 9 12 21 0 8 0 amappl 88 28876 0 28658 6 0 6 6 0 92 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 3288 0 3214 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3288 0 3214 1 0 1 1 0 8 0 vmmpekpl 168 28091 0 28023 4 0 4 4 0 8 0 vmmpepl 168 208631 0 206486 146 31 115 133 0 357 13 vmsppl 352 3287 0 3214 8 0 8 8 0 8 1 rwobjpl 24 61467 0 53986 46 0 46 46 0 8 0 pdppl 4096 6582 0 6477 287 174 113 113 0 8 8 pvpl 32 1072084 0 1052774 365 196 169 362 0 265 2 pmappl 216 3287 0 3214 5 0 5 5 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 824 0 415 13 0 13 13 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002c0e7a98,dead4110dead4110,0,80001100,fffffd8067c21558,fffffd807f7d7a28) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002c0e7a98,dead4110dead4110,0,80001100,fffffd8067c21558,fffffd807f7d7a28) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd8067c21558,4,1100,ffffffff,ffff80002c0e7a98) at doktrace+0x428 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8067c21558,4,1100,ffffffff,ffff80002c0e7a98) at doktrace+0x428 sys/kern/kern_ktrace.c:493 sys_ktrace(ffff80002c0e7a98,ffff80002daf3140,ffff80002daf3090) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002daf3140) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x31f4da05fa0, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002c0e7a98,dead4110dead4110,0,80001100,fffffd8067c21558,fffffd807f7d7a28) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002c0e7a98,dead4110dead4110,0,80001100,fffffd8067c21558,fffffd807f7d7a28) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd8067c21558,4,1100,ffffffff,ffff80002c0e7a98) at doktrace+0x428 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8067c21558,4,1100,ffffffff,ffff80002c0e7a98) at doktrace+0x428 sys/kern/kern_ktrace.c:493 sys_ktrace(ffff80002c0e7a98,ffff80002daf3140,ffff80002daf3090) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002daf3140) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x31f4da05fa0, count: -5