last executing test programs: 120.091274ms ago: executing program 0 (id=1): r0 = socket$unix(0x1, 0x2, 0x0) bind$unix(r0, &(0x7f0000000fc0)=@file={0xd570d0466b6018f, './file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00'}, 0xd4) 112.248753ms ago: executing program 6 (id=7): r0 = socket$unix(0x1, 0x5, 0x0) sendmsg$unix(r0, &(0x7f0000000a80)={0x0, 0x0, &(0x7f00000008c0)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x9, 0x0, 0x0, 0x4}, 0x2) 104.481959ms ago: executing program 5 (id=6): r0 = socket(0x18, 0x1, 0x0) getsockopt$sock_cred(r0, 0xffff, 0x1024, &(0x7f0000000240), &(0x7f0000000280)=0x2) 91.625147ms ago: executing program 4 (id=5): r0 = socket$unix(0x1, 0x5, 0x0) setsockopt$sock_timeval(r0, 0xffff, 0x1005, 0x0, 0x0) 72.408597ms ago: executing program 6 (id=9): ioctl$BIOCSETWF(0xffffffffffffffff, 0x80104277, &(0x7f0000000000)={0x3, &(0x7f00000000c0)=[{}, {0x3, 0x0, 0x0, 0xfffffffd}, {0x5, 0x0, 0x0, 0x20}]}) sysctl$kern(&(0x7f00000000c0)={0x1, 0x49}, 0x6, &(0x7f0000000100)="71f91e3471ac0058bc5a91501d94a34b8e5f84cf71b59c7afec37082", &(0x7f0000000080)=0xff0a, 0x0, 0x37) 29.303884ms ago: executing program 5 (id=10): r0 = kqueue() kevent(r0, &(0x7f0000000400)=[{{r0}, 0xfffffffffffffffa, 0xc9143bc2630fc82d, 0x2, 0x200, 0x5}, {{r0}, 0xfffffffffffffffa, 0x2, 0xf0000000, 0xff, 0xceb}], 0x3, 0x0, 0x7, 0x0) 23.714658ms ago: executing program 7 (id=8): symlink(&(0x7f0000000300)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', &(0x7f0000000440)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00') open$dir(&(0x7f00000001c0)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0\x00', 0x0, 0x43) 5.126458ms ago: executing program 2 (id=3): ioctl$BIOCSETWF(0xffffffffffffffff, 0x80104277, &(0x7f0000000000)={0x2, &(0x7f00000000c0)=[{}, {0x4, 0x0, 0x0, 0x3}]}) sysctl$kern(&(0x7f00000000c0)={0x1, 0x2c}, 0x3, &(0x7f0000000100)="71f91e3471ac0058bc5a91501d94a34b8e5f84cf71b59c7afec37082", &(0x7f0000000080)=0x1918, 0x0, 0x37) 0s ago: executing program 4 (id=11): r0 = socket(0x2, 0x2, 0x0) setsockopt$sock_int(r0, 0xffff, 0x1003, &(0x7f0000000240)=0x196d, 0x4) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.175' (ED25519) to the list of known hosts. kernel: protection fault trap, code=0 Stopped at witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace witness_checkorder(deadbeefdeadc017,9,0) at witness_checkorder+0xb5 mtx_enter(deadbeefdeadc007) at mtx_enter+0x4a prsignal(deadbeefdeadbeef,14) at prsignal+0x36 reaper(ffff8000ffffc2a0) at reaper+0x2cc end trace frame: 0x0, count: -4 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a278020 rbx 0 rdx 0 rcx 0xffff8000ffffc2a0 rax 0xffff8000299fdffe r8 0x7f7fffffc000 r9 0x1 r10 0x33651f4e9fe7f6a r11 0x6d881aa3132f7c80 r12 0xdeadbeefdeadbefe r13 0x9 r14 0xdeadbeefdeadc017 r15 0 rip 0xffffffff82079745 witness_checkorder+0xb5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a277f80 ss 0x10 witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{1}> show proc PROC (reaper) tid=183144 pid=51211 tcnt=1 stat=onproc flags process=14000 proc=200 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffffc538,0xffff8000ffffc018 process=0xffff8000ffff49c8 user=0xffff80002a273000, vmspace=0xffffffff8386bc08 estcpu=0, cpticks=3, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 90786 27067 70240 32767 2 0x10 syz-executor 28360 264248 44085 32767 2 0x10 syz-executor 28360 26783 44085 32767 7 0x4000010 syz-executor 88124 218079 9770 32767 2 0x10 syz-executor 88124 30352 9770 32767 3 0x4000090 fsleep syz-executor 14197 80942 96158 32767 2 0x10 syz-executor 14197 256221 96158 32767 3 0x4000090 fsleep syz-executor 44447 237384 76406 0 2 0x100000 sh 54066 241328 25545 0 2 0x100000 sh 25545 481702 63252 0 3 0x10008a sigsusp sh 76406 515186 11002 0 3 0x10008a sigsusp sh 9770 327597 6865 32767 2 0x10 syz-executor 96158 63908 61217 32767 3 0x90 nanoslp syz-executor 63252 179761 86169 0 3 0x80 wait syz-executor 93019 439396 79620 32767 2 0x10000010 syz-executor 71042 193756 1603 32767 2 0x10 syz-executor 70240 102203 61061 32767 3 0x90 nanoslp syz-executor 11002 100334 13420 0 3 0x80 wait syz-executor 44085 482351 32274 32767 3 0x90 nanoslp syz-executor 61061 126426 88470 0 3 0x82 wait syz-executor 1603 318526 88470 0 3 0x82 wait syz-executor 61217 57132 88470 0 3 0x82 wait syz-executor 32274 359841 88470 0 3 0x82 wait syz-executor 13420 137376 88470 0 3 0x82 wait syz-executor 6865 90499 88470 0 3 0x82 wait syz-executor 86169 387001 88470 0 3 0x82 wait syz-executor 79620 264665 88470 0 3 0x82 wait syz-executor 88470 109058 43154 0 2 0x2 syz-executor 43154 390045 176 0 3 0x10008a sigsusp ksh 176 263494 81965 0 3 0x98 kqread sshd-session 81965 475269 6326 0 3 0x92 kqread sshd-session 12374 45405 1 0 3 0x100083 ttyin getty 6326 459438 1 0 3 0x88 kqread sshd 39327 438197 86299 73 3 0x1100090 kqread syslogd 86299 145237 1 0 3 0x100082 sbwait syslogd 69586 423375 1 0 3 0x100080 kqread resolvd 21899 475965 14266 77 3 0x100092 kqread dhcpleased 32952 272637 14266 77 3 0x100092 kqread dhcpleased 14266 230408 1 0 3 0x80 kqread dhcpleased 55753 60224 0 0 2 0x40014200 smr 92897 519465 0 0 2 0x14200 zerothread 85953 219608 0 0 3 0x14200 aiodoned aiodoned 56299 429795 0 0 3 0x14200 syncer update 48902 132788 0 0 3 0x14200 cleaner cleaner *51211 183144 0 0 7 0x14200 reaper 75545 166977 0 0 3 0x14200 pgdaemon pagedaemon 32843 507809 0 0 3 0x14200 bored viomb 80893 499293 0 0 3 0x40014200 acpi0 acpi0 74420 138027 0 0 3 0x40014200 idle1 46900 365132 0 0 3 0x14200 bored softnet7 69308 57091 0 0 3 0x14200 bored softnet6 4254 22334 0 0 3 0x14200 bored softnet5 22312 505180 0 0 3 0x14200 bored softnet4 51101 178772 0 0 3 0x14200 bored softnet3 11254 138711 0 0 3 0x14200 bored softnet2 20329 207374 0 0 3 0x14200 bored softnet1 58663 143253 0 0 2 0x14200 softnet0 80829 104343 0 0 3 0x14200 smrbar systqmp 37002 386224 0 0 3 0x14200 bored systq 46738 344544 0 0 3 0x14200 tmoslp softclockmp 7758 302582 0 0 3 0x40014200 tmoslp softclock 86789 491163 0 0 3 0x40014200 idle0 1 349333 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 51211 (reaper) thread 0xffff8000ffffc2a0 (183144) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839227f8) #0 witness_lock+0x5f1 #1 __mp_acquire_count+0x58 #2 sleep_finish+0x2d8 #3 rw_do_enter_write+0x1dc #4 knote_processexit+0x2b #5 reaper+0x24d #6 proc_trampoline+0x10 Process 80829 (systqmp) thread 0xffff8000ffffe7c8 (104343) shared rwlock systqmp r = 0 (0xffffffff8381d4e8) #0 witness_lock+0x5f1 #1 taskq_thread+0x12a #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10186 10955K 10968K 166960K 11264 0 pcb 17 12K 12K 166960K 17 0 rtable 187 5K 5K 166960K 233 0 pf 31 16K 16K 166960K 31 0 ifaddr 39 6K 6K 166960K 41 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 1 1K 9K 166960K 5 0 counters 68 36K 36K 166960K 68 0 ioctlops 0 0K 2K 166960K 28 0 iov 0 0K 0K 166960K 1 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1334 84K 84K 166960K 1350 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 26 97K 121K 166960K 142 0 proc 58 99K 163K 166960K 459 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 88 6K 6K 166960K 88 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 328 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 221 161K 167K 166960K 2725 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 47 94K 110K 166960K 1118 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 25 1K 1K 166960K 25 0 temp 33 8634K 8698K 166960K 3559 0 kqueue 14 20K 20K 166960K 22 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 30 0 27 1 0 1 1 0 8 0 rtentry 176 86 0 1 4 0 4 4 0 8 0 unpcb 144 34 0 19 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 736 7 0 3 1 0 1 1 0 8 0 arp 128 9 0 0 1 0 1 1 0 8 0 inpcb 328 53 0 46 1 0 1 1 0 8 0 nd6 144 14 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 395 0 0 25 0 25 25 0 8 0 art_table 40 396 0 0 4 0 4 4 0 8 0 art_node 32 86 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1546 0 45 94 0 94 94 0 8 0 ffsino 296 1546 0 45 116 0 116 116 0 8 0 nchpl 144 1731 0 58 63 0 63 63 0 8 0 uvmvnodes 80 1627 0 0 34 0 34 34 0 8 0 vnodes 216 1627 0 0 91 0 91 91 0 8 0 namei 1024 4991 0 4991 3 1 2 2 0 8 2 percpumem 16 49 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 6275 0 6275 4 2 2 2 1 8 2 plimitpl 152 34 0 10 1 0 1 1 0 8 0 sigapl 424 417 0 356 8 0 8 8 0 8 0 knotepl 120 53 0 0 2 0 2 2 0 8 0 kqueuepl 224 18 0 8 1 0 1 1 0 8 0 pipepl 344 95 0 68 4 1 3 3 0 8 0 fdescpl 528 395 0 357 3 0 3 3 0 8 0 filepl 160 1248 0 1044 9 0 9 9 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 21 0 5 1 0 1 1 0 8 0 pgrppl 48 29 0 5 1 0 1 1 0 8 0 ucredpl 104 82 0 65 1 0 1 1 0 8 0 zombiepl 144 357 0 356 2 1 1 1 0 8 0 processpl 1248 417 0 356 7 1 6 6 0 8 0 procpl 664 426 0 362 6 0 6 6 0 8 0 sockpl 752 117 0 92 3 0 3 3 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 119 0 0 15 0 15 15 0 8 0 mcl2k 2048 17 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 148 0 0 9 0 9 9 0 8 0 bufpl 280 2803 0 116 192 0 192 192 0 8 0 anonpl 32 3640 0 0 30 0 30 30 0 246 0 amapchunkpl 152 7762 0 7315 23 4 19 19 0 158 1 amappl16 200 1534 0 1522 5 0 5 5 0 8 4 amappl15 192 11 0 11 2 1 1 1 0 8 1 amappl14 184 96 0 86 1 0 1 1 0 8 0 amappl13 176 3 0 3 1 0 1 1 0 8 1 amappl12 168 975 0 937 2 0 2 2 0 8 0 amappl11 160 43 0 33 1 0 1 1 0 8 0 amappl10 152 28 0 28 2 1 1 1 0 8 1 amappl9 144 237 0 236 1 0 1 1 0 8 0 amappl8 136 34 0 33 1 0 1 1 0 8 0 amappl7 128 92 0 82 1 0 1 1 0 8 0 amappl6 120 156 0 151 2 1 1 1 0 8 0 amappl5 112 171 0 165 1 0 1 1 0 8 0 amappl4 104 259 0 244 1 0 1 1 0 8 0 amappl3 96 1139 0 1036 3 0 3 3 0 8 0 amappl2 88 578 0 522 2 0 2 2 0 8 0 amappl1 80 7598 0 7022 14 0 14 14 0 8 1 amappl 88 2140 0 1985 4 0 4 4 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 395 0 357 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 395 0 357 1 0 1 1 0 8 0 vmmpekpl 168 4587 0 4555 2 0 2 2 0 8 0 vmmpepl 168 31155 0 29156 94 2 92 92 0 357 1 vmsppl 488 394 0 357 7 1 6 6 0 8 0 rwobjpl 80 12789 0 10344 53 0 53 53 0 8 0 pdppl 4096 798 0 714 108 12 96 96 0 8 12 pvpl 32 9432 0 0 77 1 76 76 0 265 0 pmappl 256 394 0 357 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 271 0 16 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8379aff0) at x86_ipi_db+0x27 x86_ipi_handler() at x86_ipi_handler+0xd9 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff839225f0) at __mp_lock+0x192 vn_ioctl(fffffd806c503a28,80044b02,ffff800038441950,ffff800038037cb0) at vn_ioctl+0x4d sys_ioctl(ffff800038037cb0,ffff800038441b30,ffff800038441a80) at sys_ioctl+0x674 syscall(ffff800038441b30) at syscall+0xbd4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x34fceff8aa0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{1}> trace witness_checkorder(deadbeefdeadc017,9,0) at witness_checkorder+0xb5 mtx_enter(deadbeefdeadc007) at mtx_enter+0x4a prsignal(deadbeefdeadbeef,14) at prsignal+0x36 reaper(ffff8000ffffc2a0) at reaper+0x2cc end trace frame: 0x0, count: -4