kernel: protection fault trap, code=0 Stopped at reaper+0x322: movq 0x8(%rax),%rdi ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace reaper(ffff800029fd8cb0) at reaper+0x322 sys/kern/kern_exit.c:491 end trace frame: 0x0, count: -1 ddb{0}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff800029fe5d70 rbx 0 rdx 0 rcx 0xffff800029fd8cb0 rax 0xdeafbeaddeafbead r8 0x65 r9 0 r10 0xbfe4ab14df171d25 r11 0x8fc76c8192c7eba0 r12 0x40000 acpi_pdirpa+0x2be71 r13 0xffffffff83437ff0 cpu_info_full_primary+0x1ff0 r14 0xffff8000343916b0 r15 0x41018 acpi_pdirpa+0x2ce89 rip 0xffffffff816076e2 reaper+0x322 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800029fe5d40 ss 0x10 reaper+0x322: movq 0x8(%rax),%rdi ddb{0}> show proc PROC (reaper) tid=180283 pid=59600 tcnt=1 stat=onproc flags process=14000 proc=200 runpri=32, usrpri=76, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800029fd96d0,0xffff800029fd8a38 process=0xffff800029febaf0 user=0xffff800029fe0000, vmspace=0xffffffff834f91a0 estcpu=26, cpticks=3, pctcpu=3.0, user=0, sys=73640, intr=2834 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 1539 185912 12430 32767 7 0x10 syz-executor 1539 360714 12430 32767 3 0x4000090 fsleep syz-executor 1539 195128 12430 32767 3 0x4000090 fsleep syz-executor 1539 102142 12430 32767 3 0x4000090 fsleep syz-executor 71393 39890 28412 32767 3 0x90 nanoslp syz-executor 71393 399204 28412 32767 3 0x4000090 netcon syz-executor 71393 102933 28412 32767 3 0x4000090 fsleep syz-executor 46210 169719 51414 32767 3 0x90 nanoslp syz-executor 46210 188695 51414 32767 3 0x4000090 ttyin syz-executor 46210 498694 51414 32767 3 0x4000090 ttyin syz-executor 46210 302383 51414 32767 3 0x4000090 fsleep syz-executor 26533 458032 83992 32767 2 0x10 syz-executor 83992 488120 61063 0 3 0x82 wait syz-executor 51414 391528 95881 32767 3 0x90 nanoslp syz-executor 95881 296788 61063 0 3 0x82 wait syz-executor 96093 45251 6763 32767 2 0x10 syz-executor 6763 186384 61063 0 3 0x82 wait syz-executor 28412 343587 28720 32767 3 0x90 nanoslp syz-executor 28720 116973 61063 0 3 0x82 wait syz-executor 12430 355720 41524 32767 3 0x90 nanoslp syz-executor 41524 261919 61063 0 3 0x82 wait syz-executor 3453 31214 33453 32767 3 0x90 wait syz-executor 33453 442572 61063 0 3 0x82 wait syz-executor 94144 95608 43864 0 3 0x82 netio sshd-session 60720 61319 58997 32767 3 0x90 wait syz-executor 58997 458053 61063 0 3 0x82 wait syz-executor 80141 474013 13830 32767 3 0x90 nanoslp syz-executor 13830 204472 61063 0 3 0x82 wait syz-executor 41821 77103 15568 0 3 0x100082 sbwait arp 15568 29257 91028 0 3 0x10008a sigsusp sh 91028 275207 1 0 3 0x80 wait syz-executor 55590 149920 0 0 3 0x14200 bored sosplice 61063 519123 47895 0 3 0x82 kqread syz-executor 47895 399001 3558 0 3 0x10008a sigsusp ksh 3558 492575 85793 0 3 0x98 kqread sshd-session 85793 181687 43864 0 3 0x92 kqread sshd-session 56891 81944 1 0 3 0x100083 ttyin getty 43864 86539 1 0 3 0x88 kqread sshd 39442 334365 81670 73 3 0x1100090 kqread syslogd 81670 404432 1 0 3 0x100082 sbwait syslogd 94055 249271 1 0 3 0x100080 kqread resolvd 10527 521040 88488 77 3 0x100092 kqread dhcpleased 37960 517640 88488 77 3 0x100092 kqread dhcpleased 88488 405529 1 0 3 0x80 kqread dhcpleased 58648 29696 0 0 3 0x14200 bored smr 95824 59618 0 0 2 0x14200 zerothread 89756 16528 0 0 3 0x14200 aiodoned aiodoned 25365 488188 0 0 3 0x14200 syncer update 53650 339144 0 0 3 0x14200 cleaner cleaner *59600 180283 0 0 7 0x14200 reaper 38993 394758 0 0 3 0x14200 pgdaemon pagedaemon 38018 366777 0 0 3 0x14200 bored viomb 70979 480377 0 0 3 0x40014200 acpi0 acpi0 26561 54106 0 0 3 0x40014200 idle1 87886 82103 0 0 3 0x14200 bored softnet3 41799 1807 0 0 3 0x14200 bored softnet2 17274 277616 0 0 3 0x14200 bored softnet1 75735 303438 0 0 3 0x14200 bored softnet0 16047 211369 0 0 3 0x14200 bored systqmp 81084 349814 0 0 3 0x14200 bored systq 39063 14469 0 0 3 0x14200 tmoslp softclockmp 35759 438593 0 0 3 0x40014200 tmoslp softclock 2586 211838 0 0 3 0x40014200 idle0 1 15150 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 96093 (syz-executor) thread 0xffff800034598d18 (45251) exclusive rrwlock inode r = 0 (0xfffffd807d7462c8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd804aa27c48) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 59600 (reaper) thread 0xffff800029fd8cb0 (180283) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835802f0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 knote_processexit+0x2b sys/kern/kern_event.c:2063 #6 reaper+0x2ad sys/kern/kern_exit.c:489 #7 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10244 11055K 11059K 166960K 13616 0 pcb 17 24K 28K 166960K 27 0 rtable 238 6K 7K 166960K 27734 0 pf 31 16K 16K 166960K 1581 0 ifaddr 42 15K 19K 166960K 3110 0 ifgroup 50 2K 2K 166960K 3128 0 sysctl 4 1K 5K 166960K 40 0 counters 64 36K 36K 166960K 1592 0 ioctlops 0 0K 2K 166960K 2156 0 iov 0 0K 36K 166960K 4624 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1469 92K 92K 166960K 20528 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 965 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 2685 0 dirhash 24 4K 5K 166960K 1536 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 26 97K 169K 166960K 56022 0 sigio 0 0K 0K 166960K 2722 0 proc 58 79K 176K 166960K 27021 0 subproc 117 7K 13K 166960K 11076 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 14702 0 in_multi 99 7K 7K 166960K 10780 0 ether_multi 1 0K 0K 166960K 301 0 mrt 2 0K 0K 166960K 15 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 403 1791K 1791K 166960K 403 0 exec 0 0K 1K 166960K 21383 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 308 85K 145K 166960K 489642 0 UVM aobj 131 6K 8K 166960K 143 0 pinsyscall 50 100K 138K 166960K 79444 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 4346 0 NDP 13 0K 2K 166960K 2317 0 temp 79 6824K 6954K 166960K 391076 0 kqueue 17 26K 36K 166960K 9706 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 8526 0 8520 49 48 1 4 0 8 0 rtentry 112 9103 0 8991 14 10 4 4 0 8 0 unpcb 144 53110 0 53095 190 184 6 10 0 8 5 syncache 336 1045 0 1045 32 31 1 1 0 8 1 tcpqe 32 431 0 431 50 49 1 1 0 8 1 tcpcb 808 38347 0 38276 376 362 14 28 0 8 3 arp 120 1577 0 1559 1 0 1 1 0 8 0 ipq 40 298 0 296 7 6 1 1 0 8 0 ipqe 40 6044 0 6042 7 6 1 1 0 8 0 inpcb 336 86711 0 86635 330 317 13 26 0 8 2 ip6q 72 8 0 8 6 6 0 1 0 8 0 ip6af 40 16 0 16 6 6 0 1 0 8 0 nd6 136 2877 0 2851 12 11 1 2 0 8 0 kcovpl 48 852 0 843 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 37084 0 36615 225 194 31 34 0 8 1 art_table 32 37085 0 36615 18 13 5 5 0 8 0 art_node 16 9102 0 9000 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 12 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 2666 0 2656 1 0 1 1 0 8 0 shmpl 112 140 0 12 4 0 4 4 0 8 0 dirhash 1024 1048 0 1015 13 8 5 5 0 8 0 dino2pl 256 74100 0 69614 282 1 281 281 0 8 0 ffsino 272 74100 0 69614 300 0 300 300 0 8 0 nchpl 144 136886 0 133689 121 2 119 119 0 8 0 uvmvnodes 80 11189 0 0 229 0 229 229 0 8 0 vnodes 216 11189 0 0 622 0 622 622 0 8 0 namei 1024 592349 0 592348 46 45 1 2 0 8 0 percpumem 16 810 0 764 1 0 1 1 0 8 0 kstatmem 264 1550 0 1528 3 1 2 2 0 8 0 scxspl 216 543769 0 543769 122 119 3 8 1 8 3 plimitpl 152 20172 0 20145 2 0 2 2 0 8 0 sigapl 424 55123 0 55064 25 17 8 9 0 8 0 futexpl 64 683064 0 683059 24 23 1 1 0 8 0 knotepl 120 2285 0 0 25 0 25 25 0 8 0 kqueuepl 216 19657 0 19645 148 143 5 9 0 8 4 pipepl 320 11826 0 11795 128 119 9 13 0 8 5 fdescpl 496 55104 0 55065 17 11 6 8 0 8 0 filepl 152 410085 0 409814 228 211 17 23 0 8 2 lockfpl 104 17452 0 17449 13 11 2 2 0 8 1 lockfspl 48 4893 0 4890 1 0 1 1 0 8 0 sessionpl 144 1301 0 1283 1 0 1 1 0 8 0 pgrppl 48 3332 0 3306 1 0 1 1 0 8 0 ucredpl 104 77982 0 77963 1 0 1 1 0 8 0 zombiepl 144 55067 0 55064 1 0 1 1 0 8 0 processpl 1160 55123 0 55064 7 1 6 6 0 8 0 procpl 648 131840 0 131772 19 12 7 8 0 8 0 srpgc 96 30 0 30 14 14 0 1 0 8 0 sosppl 168 744 0 741 17 16 1 1 0 8 0 sockpl 664 149923 0 149822 523 503 20 30 0 8 4 mcl64k 65536 118 0 0 4 0 4 4 0 8 0 mcl16k 16384 14 0 0 2 0 2 2 0 8 0 mcl12k 12288 26 0 0 2 0 2 2 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 28 0 0 4 1 3 3 0 8 0 mcl4k 4096 263 0 0 19 4 15 19 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 621 0 0 11 5 6 9 0 8 0 mtagpl 96 38 0 0 1 0 1 1 0 8 0 mbufpl 256 7412 0 0 425 0 425 425 0 8 0 bufpl 280 98685 0 87462 802 0 802 802 0 8 0 anonpl 24 6453705 0 6439084 327 194 133 159 0 185 0 amapchunkpl 152 1590798 0 1589899 477 438 39 58 0 158 0 amappl16 200 143746 0 143285 350 306 44 61 0 8 0 amappl15 192 8 0 8 5 5 0 1 0 8 0 amappl14 184 2686 0 2673 1 0 1 1 0 8 0 amappl13 176 46 0 46 33 32 1 1 0 8 1 amappl12 168 68434 0 68393 6 3 3 3 0 8 0 amappl11 160 61 0 49 1 0 1 1 0 8 0 amappl10 152 29 0 28 3 2 1 1 0 8 0 amappl9 144 131 0 130 3 2 1 1 0 8 0 amappl8 136 19 0 17 1 0 1 1 0 8 0 amappl7 128 2252 0 2239 1 0 1 1 0 8 0 amappl6 120 7798 0 7795 1 0 1 1 0 8 0 amappl5 112 3701 0 3690 1 0 1 1 0 8 0 amappl4 104 4658 0 4641 1 0 1 1 0 8 0 amappl3 96 330193 0 330044 12 7 5 5 0 8 0 amappl2 88 17518 0 17443 4 1 3 3 0 8 0 amappl1 80 352483 0 351837 42 25 17 22 0 8 0 amappl 88 476850 0 476608 7 0 7 7 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 72 142 0 12 4 1 3 3 0 8 0 uaddrrnd 24 55104 0 55064 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 55104 0 55064 1 0 1 1 0 8 0 vmmpekpl 168 487620 0 487555 10 6 4 5 0 8 0 vmmpepl 168 3603620 0 3600933 516 377 139 174 0 357 1 vmsppl 440 55103 0 55064 16 10 6 7 0 8 0 rwobjpl 56 905777 0 892957 238 53 185 186 0 8 0 pdppl 4096 110215 0 110128 1794 1701 93 121 0 8 6 pvpl 32 49481 0 0 392 0 392 392 0 265 0 pmappl 248 55103 0 55064 8 5 3 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3867 0 2671 35 0 35 35 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace reaper(ffff800029fd8cb0) at reaper+0x322 sys/kern/kern_exit.c:491 end trace frame: 0x0, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff835800e8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835800e8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80003f2ad8c0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003f2ad8c0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77a5cb888030, count: -6