last executing test programs: 102.911279ms ago: executing program 4 (id=5): mknod(&(0x7f00000000c0)='./bus\x00', 0x2000, 0x881) r0 = socket(0x18, 0x1, 0x0) lseek(r0, 0xfffffffffffffe38, 0x2) r1 = open$dir(&(0x7f0000000140)='./bus\x00', 0x20, 0x1ae44c217401e030) mknodat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x2000, 0x801) stat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000200)) open$dir(&(0x7f00000000c0)='./bus\x00', 0x20, 0x6) closefrom(r1) socket(0x2, 0x1, 0xd) unveil(0x0, &(0x7f00000001c0)='c\x00') 86.641856ms ago: executing program 5 (id=6): ioctl$BIOCSETF(0xffffffffffffffff, 0x80104267, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x1, 0x2, 0x1, 0x7}]}) mknodat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x1000, 0x0) r0 = socket$inet(0x2, 0x1, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) setsockopt(r0, 0x6, 0x1, &(0x7f0000000180)="b4b06668", 0x4) getsockopt(0xffffffffffffffff, 0x29, 0x27, 0x0, 0x0) ioctl$VMM_IOC_CREATE(0xffffffffffffffff, 0xc290560b, &(0x7f0000000100)={0x10, 0x5, [{&(0x7f0000ffc000/0x2000)=nil, &(0x7f0000ffc000/0x4000)=nil, 0x800}, {&(0x7f0000ffc000/0x4000)=nil, &(0x7f0000fff000/0x1000)=nil}, {&(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffe000/0x2000)=nil, 0x3}, {&(0x7f0000ff9000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, 0x1}, {&(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ff9000/0x2000)=nil, 0x4000000000000000}, {&(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, 0x7}, {&(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ff9000/0x4000)=nil, 0x7}, {&(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, 0x5}, {&(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffd000/0x2000)=nil, 0x2}, {&(0x7f0000ff9000/0x4000)=nil, &(0x7f0000ff9000/0x3000)=nil, 0xeb}, {&(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff7000/0x3000)=nil, 0x80}, {&(0x7f0000ff8000/0x2000)=nil, &(0x7f0000ff9000/0x4000)=nil, 0x8}, {&(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ffc000/0x1000)=nil, 0x7}, {&(0x7f0000ff9000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, 0xb1}, {&(0x7f0000ff9000/0x3000)=nil, &(0x7f0000ffd000/0x3000)=nil, 0x3}, {&(0x7f0000ffc000/0x2000)=nil, &(0x7f0000362000/0x1000)=nil, 0xffffffffffff0000}], './file0\x00', 0x3, 0x4, 0xfff, 0x0, [0x7, 0x1689d41c, 0x80000001, 0x401, 0x0, 0x9, 0x9, 0x7a, 0x9, 0xfffffffd, 0x7, 0x10001, 0x6, 0x6, 0x8001, 0x8, 0x3ff, 0x80000001, 0x1, 0x0, 0xfffffff7, 0x9, 0x7, 0x280000, 0x4, 0x1, 0x0, 0x2, 0x3, 0x7, 0x0, 0x6, 0x0, 0xfff, 0x4, 0x0, 0x0, 0x0, 0x8, 0x100, 0xffffff80, 0x2, 0xdae, 0x7ff, 0x1, 0x7fffffff, 0x6, 0x101, 0x0, 0x3, 0x10000000, 0x8, 0x2, 0x5, 0x1, 0x6, 0x6, 0x2, 0x4a9, 0x80000000, 0x10001, 0x1ff, 0x9, 0x2, 0x7ff, 0xff, 0x3, 0x2, 0x6, 0x6, 0x1, 0x2, 0x6, 0x3, 0x5, 0x7, 0x5, 0x7, 0xfffffffc, 0x2, 0xf8000000, 0x3, 0x4, 0xbbf, 0x6, 0x3, 0x9, 0x1000000, 0x0, 0xd, 0x4, 0xffaf, 0x6, 0x1, 0x9, 0xce, 0x8, 0x8, 0xa94a, 0x0, 0x987, 0x5, 0x6, 0xa9d4, 0xfffffff2, 0x8000, 0x1, 0x7, 0xcc6, 0x400, 0xfffffffd, 0xa19, 0x80, 0x6, 0x88, 0x80000001, 0x4, 0x1, 0x2, 0x9, 0x53f1, 0x1000, 0xfffffffd, 0xffffff25, 0x9, 0xc144, 0x7, 0x3, 0x9, 0x8, 0x470f, 0x1, 0x4, 0x6, 0xffff, 0x2, 0xfffffffc, 0x6, 0x5, 0x4, 0x5, 0x5a9c, 0x4, 0xeb6, 0x5, 0x3, 0x2, 0x2, 0x2, 0x8000, 0x8, 0xaa, 0x8c, 0x38, 0x6, 0x9, 0xb277, 0x400, 0x7, 0x7, 0xd4, 0x7, 0x4, 0x9, 0x75, 0x1ff, 0x1, 0x800, 0xc00, 0x3, 0x1ff, 0x401, 0x1000, 0x4be, 0x7, 0x1, 0x100, 0x3, 0x2, 0x8, 0x239ed050, 0x7f, 0xff, 0x7, 0x9, 0x3ff, 0x4, 0x5317ce34, 0x0, 0x101, 0x80000000, 0x2, 0x10, 0x2, 0x6, 0x5, 0xb, 0x4, 0x9, 0x40, 0x3, 0x6, 0xffff, 0x0, 0x4, 0x1ff, 0x1ff, 0x16, 0x4000007, 0x4, 0xffffff01, 0xc5, 0x5, 0x2, 0x4, 0x4, 0xffffffff, 0x788, 0x0, 0x6, 0x9, 0x1, 0x6, 0x6, 0x6, 0x6, 0xffff, 0x5310, 0x4, 0xd, 0x9, 0x8001, 0x5, 0x5, 0xfffffff7, 0xa, 0x400, 0x4, 0x5, 0x200, 0x6, 0x5, 0x4, 0x4, 0x3, 0x693, 0x40, 0x8, 0x6, 0x80000000, 0x1d20dcda, 0x7, 0x4, 0x7fffffff, 0x63439b01, 0xfffffff8, 0xfffffff8, 0x7, 0x9, 0x9, 0x5, 0xfffff19c, 0x6, 0xed, 0x6, 0xf4d7, 0x9, 0x9, 0xffff, 0xadb, 0x16947a10, 0x3, 0x7, 0x6, 0xc, 0x8, 0x10000, 0x6, 0x9, 0xffff0000, 0x9, 0x9, 0x81, 0x7fffffff, 0x1, 0xda6, 0xf27e, 0x8001, 0xf, 0x0, 0xe7, 0x893c9, 0x3, 0x5, 0x9, 0x1, 0x2, 0x5, 0x4, 0x0, 0xb, 0x2, 0xffffffff, 0x8, 0xffff, 0xdc1c, 0x44cf, 0x6, 0xfffffff8, 0x2, 0xe877, 0x5, 0x1, 0x5, 0x1014, 0x1, 0x0, 0x3dd, 0x2, 0xffff5ad4, 0x5, 0x2, 0xc, 0x2, 0xf49, 0x65, 0x3, 0x5, 0xef6, 0x2, 0x719, 0x99bd, 0x3, 0x2d5cc7e1, 0x7fffffff, 0x2, 0x1, 0x9, 0x1ff, 0x3, 0xc263, 0xdc81, 0xda, 0x9, 0x400, 0xaed3, 0x9, 0x1, 0xffffff7f, 0x1400000, 0x3, 0xb0, 0x8001, 0x4800000, 0x5, 0xe12, 0x5c, 0x7, 0x4, 0xffff932b, 0xb65, 0x4f, 0x9, 0x7fffffff, 0x787f, 0x8, 0x200000, 0xf, 0x6, 0x2, 0x7, 0x3a31, 0x0, 0x3, 0xc, 0x101, 0x7fffffff, 0xfffffff7, 0x4000003, 0x5, 0x7fffffff, 0x9, 0x2, 0x7, 0x5, 0xfffffe00, 0xa88, 0x7eec, 0x8000, 0x0, 0x100, 0x682, 0x36a5, 0x100, 0xd2, 0x81, 0x0, 0x0, 0x2, 0xde, 0xf30, 0x4, 0x3a1, 0x87ab, 0x4, 0xe, 0x7, 0xffff, 0xc8, 0x7, 0x7, 0xfffffe00, 0x9, 0x8, 0xffffbff7, 0x6e04f75a, 0x0, 0x2, 0x4d, 0x4, 0x10000, 0x8, 0x6, 0x1, 0x8, 0x9, 0x8, 0x80, 0x1, 0x2, 0x1, 0x3, 0x7, 0xcd, 0x6, 0xc6, 0xf3, 0x10, 0x7, 0x27e, 0x7, 0xff28, 0x2, 0xdb9, 0xfffffff7, 0x0, 0x10, 0xfff, 0x3, 0x6, 0xe, 0xa6d, 0xfc46, 0x1ff, 0xb, 0xdee, 0xfffffff9, 0x7d08, 0x4aa, 0x7fffffff, 0x10, 0x6, 0x9, 0x88, 0x4, 0x9, 0x7, 0x10, 0x8, 0x2, 0x5b7, 0x7ff, 0x9d1, 0xfffffffe, 0x5, 0x8, 0x18, 0xff, 0x8, 0x9, 0xfffffffa, 0x1, 0x7fff, 0x6022, 0x401, 0x10000, 0x5, 0xfb3f, 0x2, 0x317b, 0x0, 0x2dd, 0x4, 0x10001, 0x3, 0xd4ef, 0x5, 0x1, 0x10001, 0x9, 0x7, 0xf, 0x1, 0x8, 0x100, 0x5, 0xff, 0x8, 0x7, 0x5, 0x4, 0xba]}) openat$vnd(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) open(&(0x7f0000000180)='./file0\x00', 0x80000000000206, 0x160) r1 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080), 0x1, 0x0) ioctl$BIOCLOCK(r1, 0x20004276) ioctl$FIONREAD(r1, 0x4004667f, &(0x7f0000000140)) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1) mknod(&(0x7f0000000080)='./file0\x00', 0x2000, 0x202) ktrace(&(0x7f0000000680)='./file0\x00', 0x1, 0x40001000, 0x0) r2 = socket$inet(0x2, 0x1, 0x0) close(r2) socket(0x24, 0x2, 0x0) setsockopt(r2, 0x6, 0x1, &(0x7f0000000280)="e9f2d779", 0x4) poll(&(0x7f0000000b00), 0x0, 0x4) setrlimit(0x8, &(0x7f0000000980)={0x42, 0x62}) r3 = syz_open_pts() close(r3) openat$pf(0xffffffffffffff9c, &(0x7f0000000280), 0x10, 0x0) mknod(&(0x7f0000000000)='./file0\x00', 0x2000, 0x0) r4 = open(&(0x7f00000001c0)='./file0\x00', 0x0, 0x0) ioctl$TIOCSETA(r4, 0x802c7414, &(0x7f00000000c0)={0x101, 0xffffff01, 0x8a38, 0xfffffffc, "070609000013160000050800"}) msgctl$IPC_SET(0x0, 0x1, &(0x7f0000000000)={{0x2, 0x0, 0x0, 0x0, 0xc4, 0x9a43, 0x10, 0x0, 0x2}, 0x10, 0x3, 0x8, 0xff, 0x2, 0x2, 0xfffffffffffffffe, 0x6, 0x0, 0xfffffffffffffff9}) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) ioctl$TIOCSETAW(r3, 0x802c7415, &(0x7f0000000000)={0x7fffffff, 0x3, 0x5, 0xffff7df8, "ec7600b72802100006faef2be3d500e1ffffff00", 0x80000003, 0x5}) 0s ago: executing program 2 (id=3): r0 = openat$pf(0xffffffffffffff9c, &(0x7f0000000000), 0x10, 0x0) ioctl$DIOCGETLIMIT(r0, 0xc0084427, &(0x7f0000000980)={0x1, 0x9}) (async) futimes(r0, &(0x7f00000002c0)=[{0x6, 0x9}, {0x5, 0x3}]) (async) sysctl$net_pipex(&(0x7f0000000340)={0x4, 0x23, 0x3}, 0x3, 0x0, 0x0, 0x0, 0x0) (async) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) mknodat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x2000, 0x801) (async) r3 = open(&(0x7f0000000040)='./file0\x00', 0x18289, 0x110) ioctl$TIOCDRAIN(r3, 0x2000745e) (async) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) (async) sendto$unix(r1, &(0x7f00000000c0)="ee0fdd1508e83cdcb8ebc6824f074b8f7295f8fbf2edd7055ca0b0c859f26eb8c18bd02bceda1edd148c9baac1ffb29fa5162c3b01b9888978cf42457310042844cc72626320c341ee64b46056534ad9364a9e335611f6196bfb04a1cafd11750554667c7696f6e926fbbb2c17f19ee715c382dd568a2a81ac746e70b6738c1b68969da9062e3274e2e5d265a79d2b31ac33b6121cb728e37faca77e060faf8ac70ae5b7153493e469958b821cc9c5be1bb46d378c99a07dd47f6b0d30ff0432be2a8e51173f217d304bf2c97d232bb5b624", 0xd2, 0x9, 0x0, 0x0) recvfrom(r2, &(0x7f00000001c0)=""/209, 0xd1, 0x2, 0x0, 0x0) (async) sysctl$net_pipex(&(0x7f0000000000)={0x4, 0x23, 0x1}, 0x3, &(0x7f0000000040)="46d9d0e5f0e4a1282a8b361211df61e9c4322a8b3c0bc729f06e32d7a95985a3b8b3e79833d60d472a9de71ee8e910fae0fe05bfae417b5a9267cbd3a083191f689cd069b62c5691d473f3d56d81d4e3926d44c49fdbf91428bde5811adf1a30e0b1900867e8fe6c2a0d44831f3085600fe3f98167d3df2f65e977789bbb1259996fb847c445f54774ee31447197d598b42e8a410a642ed93a3b30caef1ae09b4424883ed4162cb62400", &(0x7f0000000100)=0xaa, &(0x7f0000000140)="8f6a33eba84b6c1569cc01cf518a6e7e6d6c3cd1e795d03a2278628d5c9725b7d2619e5080c3f75aa9dbd3f539e666ddda9480ceff2c7612a208507a2adfa65deb147713073e37f313f60316642b9171581147d2ff98796c1350787c6694f07f979cd756118f87027f3ddcaaf471c58dcd331247c8972c157bfcc7e14d23c5d6cb6d1a3de28a8fcd8cf80fd668ec", 0x8e) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.184' (ED25519) to the list of known hosts. WuAvRmN_IfNauG:lt (SP0Lx fNffOfTf 2L8O06WcEfR0ED9d O7N0, T RA0x9P 8E,X I0,T 1a) 0- > Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND 270829 98650 0 0 0x4000000 0K syz-executor *118004 36103 0 0x2 0 1 ifconfig proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x79b2e23cf8d0, count: 14 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu0: uvm_fault(0xfffff2806cf09d70, 0x98, 0, 1) -> e ddb{1}> show kasan No such command ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x79b2e23cf8d0, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff8000397bec50 rbx 0 rdx 0 rcx 0xffff800045fe6d18 rax 0x2a r8 0xffff8000397beb80 r9 0x2 r10 0xdb3339630d8f301b r11 0xf92c860fa02a58a4 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff812854c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff8000397bebd0 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{1}> show proc PROC (ifconfig) tid=118004 pid=36103 tcnt=1 stat=onproc flags process=2 proc=0 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800045fe7ca8,0xffff800045fefa18 process=0xffff80003c3ceb70 user=0xffff8000397b9000, vmspace=0xfffff2806cf09200 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 98650 88622 36037 0 2 0 0 syz-executor 98650 53128 36037 0 3 0 0x4000080 fsleep syz-executor 98650 270829 36037 0 7 0 0x4000000 syz-executor 98650 10139 36037 0 2 0 0x4000000 syz-executor 92981 55948 64219 0 2 0x2 0 arp *36103 118004 29890 0 7 0x2 0 ifconfig 29890 370135 17118 0 3 0x100002 0x88 sigsusp sh 68270 292975 41960 0 2 0 0 syz-executor 68270 362260 41960 0 3 0 0x4000080 fifor syz-executor 68270 392556 41960 0 3 0 0x4000080 fsleep syz-executor 20722 325614 7913 0 2 0x100002 0 sh 86656 229966 37548 0 2 0x2 0 arp 85677 126880 78738 0 2 0x100002 0 sh 64219 379515 70998 0 2 0x100002 0 sh 37548 472446 11238 0 3 0x100002 0x88 sigsusp sh 17118 406991 46527 0 3 0x2 0x80 wait syz-executor 7913 513667 46527 0 3 0x2 0x80 wait syz-executor 41960 69183 46527 0 2 0x2 0xc80 syz-executor 36210 488452 46527 0 2 0x2 0 syz-executor 70998 159808 46527 0 3 0x2 0x80 wait syz-executor 36037 454837 46527 0 2 0x2 0xc80 syz-executor 78738 228783 46527 0 3 0x2 0x80 wait syz-executor 11238 504736 46527 0 3 0x2 0x80 wait syz-executor 46527 275660 27057 0 3 0x2 0x80 kqread syz-executor 27057 34236 54476 0 3 0x100002 0x88 sigsusp ksh 54476 15478 3299 0 3 0x10 0x88 kqread sshd-session 3299 354664 18839 0 3 0x12 0x80 kqread sshd-session 93757 29328 1 0 3 0x100003 0x80 ttyin getty 18839 331015 1 0 3 0 0x88 kqread sshd 19676 214313 7493 74 3 0x1100012 0x80 bpf pflogd 7493 519806 1 0 3 0 0x80 sbwait pflogd 82264 236755 15027 73 3 0x1100010 0x80 kqread syslogd 15027 402646 1 0 3 0x100002 0x80 sbwait syslogd 86902 272560 1 0 3 0x100000 0x80 kqread resolvd 47094 352819 92782 77 3 0x100012 0x80 kqread dhcpleased 82362 36538 92782 77 3 0x100012 0x80 kqread dhcpleased 92782 518218 1 0 3 0 0x80 kqread dhcpleased 23041 300235 0 0 3 0x14000 0x200 bored smr 28470 399113 0 0 2 0x14000 0x200 zerothread 8213 233070 0 0 3 0x14000 0x200 aiodoned aiodoned 61433 513759 0 0 3 0x14000 0x200 syncer update 84525 402814 0 0 3 0x14000 0x200 cleaner cleaner 73440 513918 0 0 3 0x14000 0x200 reaper reaper 65927 269693 0 0 3 0x14000 0x200 pgdaemon pagedaemon 55971 235818 0 0 3 0x14000 0x200 bored viomb 73791 143438 0 0 3 0x14000 0x40000200 acpi0 acpi0 47830 5402 0 0 3 0x14000 0x40000200 idle1 27859 239670 0 0 3 0x14000 0x200 bored softnet1 33441 16903 0 0 3 0x14000 0x200 bored softnet0 63071 465166 0 0 3 0x14000 0x200 smrbar systqmp 55109 328664 0 0 3 0x14000 0x200 bored systq 41976 1160 0 0 2 0x14000 0x200 softclockmp 35278 168871 0 0 3 0x14000 0x40000200 tmoslp softclock 9542 181316 0 0 3 0x14000 0x40000200 idle0 1 448779 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff83a43e78) #0 witness_lock+0x5f1 #1 mtx_enter+0x4b4 #2 uvm_pageactivate+0x15a #3 uvm_fault_lower+0x82e #4 uvm_fault+0x274 #5 upageflttrap+0xa9 #6 usertrap+0x430 #7 recall_trap+0x8 Process 98650 (syz-executor) thread 0xffff800045feed10 (270829) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a38540) #0 witness_lock+0x5f1 #1 syscall+0xaf4 #2 Xsyscall+0x128 Process 36103 (ifconfig) thread 0xffff800045fe6d18 (118004) exclusive rwlock amaplk r = 0 (0xfffff2806cd22668) #0 witness_lock+0x5f1 #1 rw_do_enter_write+0x419 #2 uvm_fault_check+0x8a9 #3 uvm_fault+0x106 #4 upageflttrap+0xa9 #5 usertrap+0x430 #6 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffff2806cf09300) #0 witness_lock+0x5f1 #1 rw_do_enter_read+0x3e8 #2 uvmfault_lookup+0x122 #3 uvm_fault_check+0x4f #4 uvm_fault+0x106 #5 upageflttrap+0xa9 #6 usertrap+0x430 #7 recall_trap+0x8 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff83a43e78) #0 witness_lock+0x5f1 #1 mtx_enter+0x4b4 #2 uvm_pageactivate+0x15a #3 uvm_fault_lower+0x82e #4 uvm_fault+0x274 #5 upageflttrap+0xa9 #6 usertrap+0x430 #7 recall_trap+0x8 Process 36210 (syz-executor) thread 0xffff800045fef770 (488452) exclusive rrwlock inode r = 0 (0xfffff2806d0cf8d8) #0 witness_lock+0x5f1 #1 rw_do_enter_write+0x419 #2 rrw_enter+0xc6 #3 VOP_LOCK+0xbd #4 vn_lock+0xa4 #5 vget+0x2a2 #6 ufs_ihashget+0x185 #7 ffs_vget+0x8c #8 ufs_lookup+0x1a36 #9 VOP_LOOKUP+0x6e #10 vfs_lookup+0x963 #11 namei+0x7c5 #12 dounlinkat+0xc1 #13 syscall+0xb17 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffff2806d0cf310) #0 witness_lock+0x5f1 #1 rw_do_enter_write+0x419 #2 rrw_enter+0xc6 #3 VOP_LOCK+0xbd #4 vn_lock+0xa4 #5 vget+0x2a2 #6 cache_lookup+0x351 #7 ufs_lookup+0x1e3 #8 VOP_LOOKUP+0x6e #9 vfs_lookup+0x963 #10 namei+0x7c5 #11 dounlinkat+0xc1 #12 syscall+0xb17 #13 Xsyscall+0x128 Process 63071 (systqmp) thread 0xffff800045ffe000 (465166) shared rwlock systqmp r = 0 (0xffffffff839949d8) #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 11050 12084K 12084K 166960K 12141 0 pcb 17 12K 12K 166960K 17 0 rtable 161 4K 4K 166960K 247 0 pf 34 17K 18K 166960K 45 0 ifaddr 33 5K 5K 166960K 35 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 1 1K 9K 166960K 5 0 counters 70 37K 37K 166960K 70 0 ioctlops 0 0K 4K 166960K 1478 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1289 81K 81K 166960K 1361 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 1734 201K 291K 166960K 11964 0 file desc 20 73K 89K 166960K 111 0 proc 76 131K 164K 166960K 516 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 54 3K 3K 166960K 54 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 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 372 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 218 172K 175K 166960K 3007 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 45 90K 104K 166960K 1254 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 19 1K 1K 166960K 19 0 temp 34 9114K 9120K 166960K 3729 0 kqueue 13 20K 20K 166960K 25 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 28 0 25 1 0 1 1 0 8 0 rtentry 176 73 0 1 4 0 4 4 0 8 0 unpcb 144 41 0 22 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 10 0 5 1 0 1 1 0 8 0 arp 136 13 0 0 1 0 1 1 0 8 0 inpcb 328 62 0 53 1 0 1 1 0 8 0 nd6 152 10 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 12 0 0 1 0 1 1 0 8 0 pfstkey 128 12 0 0 1 0 1 1 0 8 0 pfstate 448 12 0 0 2 0 2 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 256 270 0 0 17 0 17 17 0 8 0 art_table 40 271 0 0 3 0 3 3 0 8 0 art_node 32 73 0 5 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1563 0 99 92 0 92 92 0 8 0 ffsino 296 1563 0 99 113 0 113 113 0 8 0 nchpl 144 1752 0 54 63 0 63 63 0 8 0 vnodes 216 1650 0 0 92 0 92 92 0 8 0 namei 1024 5295 0 5295 2 0 2 2 0 8 2 percpumem 16 51 0 0 1 0 1 1 0 8 0 kstatmem 264 27 0 0 2 0 2 2 0 8 0 scxspl 216 6053 0 6053 4 2 2 3 1 8 2 plimitpl 152 29 0 12 1 0 1 1 0 8 0 sigapl 424 440 0 390 7 0 7 7 0 8 1 knotepl 120 54 0 0 2 0 2 2 0 8 0 kqueuepl 224 21 0 12 1 0 1 1 0 8 0 pipepl 344 130 0 103 3 0 3 3 0 8 0 fdescpl 528 424 0 390 3 0 3 3 0 8 0 filepl 160 1537 0 1324 9 0 9 9 0 8 0 lockfpl 104 9 0 6 1 0 1 1 0 8 0 lockfspl 48 6 0 3 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 32 0 15 1 0 1 1 0 8 0 ucredpl 104 82 0 69 1 0 1 1 0 8 0 zombiepl 144 390 0 390 1 0 1 1 0 8 1 processpl 1232 440 0 390 5 0 5 5 0 8 0 procpl 664 446 0 391 5 0 5 5 0 8 0 sockpl 752 131 0 100 4 0 4 4 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 114 0 0 15 0 15 15 0 8 0 mcl2k 2048 17 0 0 3 0 3 3 0 8 0 mextrefs 64 9 0 0 1 0 1 1 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 116 0 0 8 0 8 8 0 8 0 bufpl 272 2263 0 105 144 0 144 144 0 8 0 anonpl 32 3682 0 0 30 0 30 30 0 247 0 amapchunkpl 152 7998 0 7595 16 0 16 16 0 158 0 amappl16 200 1435 0 1426 5 0 5 5 0 8 4 amappl15 192 9 0 8 1 0 1 1 0 8 0 amappl14 184 422 0 416 1 0 1 1 0 8 0 amappl13 176 123 0 111 1 0 1 1 0 8 0 amappl12 168 667 0 636 2 0 2 2 0 8 0 amappl11 160 3 0 3 1 0 1 1 0 8 1 amappl10 152 66 0 52 1 0 1 1 0 8 0 amappl9 144 279 0 278 1 0 1 1 0 8 0 amappl8 136 97 0 95 1 0 1 1 0 8 0 amappl7 128 141 0 128 1 0 1 1 0 8 0 amappl6 120 137 0 130 1 0 1 1 0 8 0 amappl5 112 98 0 88 1 0 1 1 0 8 0 amappl4 104 285 0 265 1 0 1 1 0 8 0 amappl3 96 1352 0 1266 3 0 3 3 0 8 0 amappl2 88 545 0 472 2 0 2 2 0 8 0 amappl1 80 10231 0 9610 14 0 14 14 0 8 0 amappl 88 2306 0 2168 4 0 4 4 0 92 0 uvmvnodes 80 98 0 0 2 0 2 2 0 8 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 24 424 0 390 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 424 0 390 1 0 1 1 0 8 0 vmmpekpl 168 5534 0 5505 2 0 2 2 0 8 0 vmmpepl 168 36370 0 34573 83 0 83 83 0 357 3 vmsppl 488 423 0 390 5 0 5 5 0 8 0 rwobjpl 80 13798 0 12751 23 0 23 23 0 8 1 pdppl 4096 855 0 780 95 12 83 83 0 8 8 pvpl 32 8840 0 0 72 0 72 72 0 265 0 pmappl 256 423 0 390 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 393 0 15 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83966ff0) at x86_ipi_db+0x27 x86_ipi_handler() at x86_ipi_handler+0xd9 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x37 comcnputc(800,20) at comcnputc+0x250 cnputc(20) at cnputc+0x67 db_putchar(65) at db_putchar+0x126 kprintf() at kprintf+0x29c5 db_printf(ffffffff8346140f) at db_printf+0x9b fault(ffffffff83525b43) at fault+0xa7 kpageflttrap(ffff8000363a0650,98) at kpageflttrap+0x37d kerntrap(ffff8000363a0650) at kerntrap+0x19d alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dovutimens(ffff800045feed10,fffff2806cbcb5e8,ffff8000363a0830) at dovutimens+0x368 end trace frame: 0xffff8000363a08a0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff83966ff0) at x86_ipi_db+0x27 x86_ipi_handler() at x86_ipi_handler+0xd9 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x37 comcnputc(800,20) at comcnputc+0x250 cnputc(20) at cnputc+0x67 db_putchar(65) at db_putchar+0x126 kprintf() at kprintf+0x29c5 db_printf(ffffffff8346140f) at db_printf+0x9b fault(ffffffff83525b43) at fault+0xa7 kpageflttrap(ffff8000363a0650,98) at kpageflttrap+0x37d kerntrap(ffff8000363a0650) at kerntrap+0x19d alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dovutimens(ffff800045feed10,fffff2806cbcb5e8,ffff8000363a0830) at dovutimens+0x368 sys_futimes(ffff800045feed10,ffff8000363a0980,ffff8000363a08d0) at sys_futimes+0x208 syscall(ffff8000363a0980) at syscall+0xb17 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa10224c32b0, count: -17 ddb{0}> machine ddbcpu 1 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x79b2e23cf8d0, count: 14 ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x79b2e23cf8d0, count: -1