uvm_fault(0xfffffd806c1651b8, 0x8, 0, 1) -> e kernel: page fault trap, code=0 Stopped at fifo_write+0x6e: movq 0x8(%rax),%r15 TID PID UID PRFLAGS PFLAGS CPU COMMAND *151332 84279 32767 0x10 0x4000000 0K syz-executor 387824 1637 32767 0x10 0x4000000 1 syz-executor fifo_write(ffff80003ec7b900) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd807b05c480,ffff80003ec7b998,8,fffffd807f7d3208) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807b05c480,ffff80002a05c800,100,0,1,867c93b918c27485,ffff80003ec7bac0,fffffd807b05c480,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff80003ec7bac0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8060da67f0,ffff80003ec7bc40,ffff80003ec7bc70,ffff80003ec7bb70,ffff80002a05c800) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff80002a0e9478,200010c0,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff80003ec7bdf0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003ec7bdf0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa64aa5794a0, count: 7 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffd806c1651b8, 0x8, 0, 1) -> e ddb{0}> trace fifo_write(ffff80003ec7b900) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd807b05c480,ffff80003ec7b998,8,fffffd807f7d3208) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807b05c480,ffff80002a05c800,100,0,1,867c93b918c27485,ffff80003ec7bac0,fffffd807b05c480,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff80003ec7bac0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8060da67f0,ffff80003ec7bc40,ffff80003ec7bc70,ffff80003ec7bb70,ffff80002a05c800) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff80002a0e9478,200010c0,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff80003ec7bdf0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003ec7bdf0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa64aa5794a0, count: -8 ddb{0}> show registers rdi 0xfffffd807b05c480 rsi 0x1e49 __ALIGN_SIZE+0xe49 rbp 0xffff80003ec7b8f0 rbx 0xfffffd807b05c480 rdx 0xffff80003017f000 rcx 0x1e48 __ALIGN_SIZE+0xe48 rax 0 r8 0 r9 0x1 r10 0xffffffff8348fff0 cpu_info_full_primary+0x1ff0 r11 0x69a8e44bb5663ca3 r12 0x4000 __ALIGN_SIZE+0x3000 r13 0xffff80003ec7b998 r14 0xffff80003ec7b900 r15 0x1 rip 0xffffffff8299c29e fifo_write+0x6e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003ec7b8c0 ss 0x10 fifo_write+0x6e: movq 0x8(%rax),%r15 ddb{0}> show proc PROC (syz-executor) tid=151332 pid=84279 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=17, usrpri=83, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a0e8038,0xffff80002a0e8f78 process=0xffff80003c85e460 user=0xffff80003ec76000, vmspace=0xfffffd806c1651b8 estcpu=33, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 84279 500114 58057 32767 2 0x490 syz-executor *84279 151332 58057 32767 7 0x4000010 syz-executor 84279 45895 58057 32767 2 0x4000010 syz-executor 84279 64785 58057 32767 3 0x4000090 fsleep syz-executor 1637 165924 25479 32767 3 0x90 nanoslp syz-executor 1637 387824 25479 32767 7 0x4000010 syz-executor 1637 394037 25479 32767 3 0x4000090 fsleep syz-executor 12114 332130 57574 32767 2 0x10 syz-executor 25479 372457 75604 32767 3 0x90 nanoslp syz-executor 64468 243203 59745 32767 2 0x10 syz-executor 85693 88449 18616 32767 2 0x10 syz-executor 18616 337233 90719 0 3 0x82 wait syz-executor 57574 465962 90719 0 3 0x82 wait syz-executor 59745 373505 90719 0 3 0x82 wait syz-executor 41020 272040 69261 32767 3 0x90 nanoslp syz-executor 8456 410833 50943 32767 3 0x90 nanoslp syz-executor 69261 345111 90719 0 3 0x82 wait syz-executor 10640 169270 44148 32767 2 0x10 syz-executor 50943 326758 90719 0 3 0x82 wait syz-executor 44148 309116 90719 0 3 0x82 wait syz-executor 58057 33462 43799 32767 2 0x490 syz-executor 75604 280571 90719 0 3 0x82 wait syz-executor 43799 269602 90719 0 3 0x82 wait syz-executor 17581 199988 0 0 3 0x14200 bored sosplice 32215 514907 36493 0 3 0x100082 sbwait ndp 36493 90965 44693 0 3 0x10008a sigsusp sh 44693 103620 1 0 3 0x80 wait syz-executor 90719 12224 65828 0 3 0x82 kqread syz-executor 65828 228142 36474 0 3 0x10008a sigsusp ksh 36474 423435 92424 0 3 0x98 kqread sshd-session 92424 114179 63267 0 3 0x92 kqread sshd-session 36496 140021 1 0 3 0x100083 ttyin getty 63267 335348 1 0 3 0x88 kqread sshd 95917 201150 91629 73 3 0x1100090 kqread syslogd 91629 426304 1 0 3 0x100082 sbwait syslogd 99627 69804 1 0 3 0x100080 kqread resolvd 97377 376410 81695 77 3 0x100092 kqread dhcpleased 74009 412083 81695 77 3 0x100092 kqread dhcpleased 81695 459166 1 0 3 0x80 kqread dhcpleased 86445 6722 0 0 3 0x14200 bored smr 14457 343089 0 0 3 0x14200 pgzero zerothread 67885 299957 0 0 3 0x14200 aiodoned aiodoned 32525 27721 0 0 3 0x14200 syncer update 86236 264624 0 0 3 0x14200 cleaner cleaner 27977 118929 0 0 3 0x14200 reaper reaper 88307 401463 0 0 3 0x14200 pgdaemon pagedaemon 9854 160445 0 0 3 0x14200 bored viomb 97472 476729 0 0 3 0x40014200 acpi0 acpi0 43792 310091 0 0 3 0x40014200 idle1 81877 19629 0 0 3 0x14200 bored softnet3 1001 172050 0 0 3 0x14200 bored softnet2 61111 503649 0 0 3 0x14200 bored softnet1 40933 412703 0 0 3 0x14200 bored softnet0 40695 180101 0 0 3 0x14200 bored systqmp 43566 485107 0 0 3 0x14200 bored systq 64919 422056 0 0 3 0x14200 tmoslp softclockmp 98719 126934 0 0 3 0x40014200 tmoslp softclock 59284 71852 0 0 3 0x40014200 idle0 1 276150 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 84279 (syz-executor) thread 0xffff80002a0e9478 (151332) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8355de48) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 biowait+0xc1 sys/kern/vfs_bio.c:1254 #5 bwrite+0x2e2 sys/kern/vfs_bio.c:766 #6 VOP_BWRITE+0x60 sys/kern/vfs_vops.c:646 #7 ufs_direnter+0x7d1 sys/ufs/ufs/ufs_lookup.c:833 #8 ufs_makeinode+0x51e sys/ufs/ufs/ufs_vnops.c:1764 #9 ufs_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 #10 VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 #11 dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8066e22d58) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #9 ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1728 #10 ufs_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 #11 VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 #12 dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 Process 12114 (syz-executor) thread 0xffff8000fffebc00 (332130) exclusive rrwlock inode r = 0 (0xfffffd8066e222b8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd805faa8708) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #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 64468 (syz-executor) thread 0xffff80003c45a030 (243203) exclusive rrwlock inode r = 0 (0xfffffd8066e22098) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd805faa84e8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #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 85693 (syz-executor) thread 0xffff8000ffff6018 (88449) exclusive rrwlock inode r = 0 (0xfffffd8066e224d8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd805faa80a8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #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 10640 (syz-executor) thread 0xffff80003c45b980 (169270) exclusive rrwlock inode r = 0 (0xfffffd8066e22e68) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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:120 #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:3101 #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 (0xfffffd805faa8f88) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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:3086 #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10191 10025K 10036K 166960K 11497 0 pcb 17 14K 16K 166960K 19 0 rtable 234 6K 7K 166960K 2685 0 pf 31 16K 16K 166960K 184 0 ifaddr 42 8K 8K 166960K 354 0 ifgroup 50 2K 2K 166960K 355 0 sysctl 3 0K 0K 166960K 3 0 counters 64 36K 36K 166960K 216 0 ioctlops 0 0K 2K 166960K 120 0 iov 0 0K 20K 166960K 82 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1481 93K 93K 166960K 2892 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 25 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 13 0 dirhash 15 2K 3K 166960K 36 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 25 93K 189K 166960K 2372 0 sigio 0 0K 0K 166960K 29 0 proc 59 91K 188K 166960K 2725 0 subproc 117 7K 13K 166960K 1482 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 465 0 in_multi 99 7K 7K 166960K 1004 0 ether_multi 1 0K 0K 166960K 11 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 121 546K 546K 166960K 121 0 exec 0 0K 1K 166960K 1767 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 270 83K 150K 166960K 18081 0 UVM aobj 37 3K 3K 166960K 44 0 pinsyscall 47 94K 144K 166960K 5391 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 78 0 NDP 11 0K 2K 166960K 255 0 temp 78 6823K 6949K 166960K 22881 0 kqueue 13 20K 32K 166960K 221 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 120 339 0 335 1 0 1 1 0 8 0 rtentry 112 955 0 845 5 1 4 4 0 8 0 unpcb 144 1087 0 1072 8 5 3 4 0 8 2 syncache 336 11 0 11 5 5 0 1 0 8 0 tcpqe 32 5 0 5 3 3 0 1 0 8 0 tcpcb 808 653 0 647 20 15 5 8 0 8 4 arp 120 173 0 155 1 0 1 1 0 8 0 ipq 40 9 0 6 1 0 1 1 0 8 0 ipqe 40 60 0 56 1 0 1 1 0 8 0 inpcb 336 1997 0 1987 33 25 8 13 0 8 6 nd6 136 257 0 233 1 0 1 1 0 8 0 kcovpl 48 114 0 105 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 3837 0 3382 60 31 29 30 0 8 0 art_table 32 3838 0 3382 4 0 4 4 0 8 0 art_node 16 954 0 854 1 0 1 1 0 8 0 sysvmsgpl 40 25 0 18 1 0 1 1 0 8 0 semupl 112 4 0 4 3 3 0 1 0 8 0 semapl 112 11 0 1 1 0 1 1 0 8 0 shmpl 112 41 0 7 1 0 1 1 0 8 0 dirhash 1024 33 0 14 3 0 3 3 0 8 0 dino2pl 256 3160 0 1447 108 0 108 108 0 8 0 ffsino 272 3160 0 1447 115 0 115 115 0 8 0 nchpl 144 4746 0 2911 69 0 69 69 0 8 0 uvmvnodes 80 4651 0 0 95 0 95 95 0 8 0 vnodes 216 4651 0 0 259 0 259 259 0 8 0 namei 1024 23372 0 23369 10 8 2 2 0 8 1 percpumem 16 122 0 76 1 0 1 1 0 8 0 kstatmem 264 174 0 152 2 0 2 2 0 8 0 scxspl 216 47599 0 47599 18 14 4 8 1 8 4 plimitpl 152 444 0 418 2 0 2 2 0 8 0 sigapl 424 2447 0 2391 10 1 9 10 0 8 0 futexpl 64 14431 0 14429 8 7 1 1 0 8 0 knotepl 120 670 0 0 18 0 18 18 0 8 0 kqueuepl 216 574 0 563 11 9 2 5 0 8 0 pipepl 320 522 0 492 9 4 5 5 0 8 0 fdescpl 496 2428 0 2391 11 4 7 8 0 8 1 filepl 152 11782 0 11522 30 14 16 21 0 8 3 lockfpl 104 412 0 410 1 0 1 1 0 8 0 lockfspl 48 109 0 107 1 0 1 1 0 8 0 sessionpl 144 101 0 84 1 0 1 1 0 8 0 pgrppl 48 263 0 238 1 0 1 1 0 8 0 ucredpl 104 1629 0 1610 1 0 1 1 0 8 0 zombiepl 144 2393 0 2391 1 0 1 1 0 8 0 processpl 1160 2447 0 2391 10 4 6 6 0 8 0 procpl 648 4064 0 4003 8 1 7 8 0 8 0 srpgc 96 9 0 9 3 3 0 1 0 8 0 sosppl 168 13 0 13 5 4 1 1 0 8 1 sockpl 664 3441 0 3412 46 34 12 18 0 8 8 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 265 0 0 29 0 29 29 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 390 0 0 22 0 22 22 0 8 0 bufpl 280 8686 0 1451 517 0 517 517 0 8 0 anonpl 24 382241 0 373570 108 33 75 97 0 185 11 amapchunkpl 152 57052 0 56314 58 14 44 45 0 158 11 amappl16 200 7343 0 7187 76 58 18 28 0 8 9 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 270 0 259 1 0 1 1 0 8 0 amappl13 176 8 0 8 1 1 0 1 0 8 0 amappl12 168 4293 0 4254 6 3 3 3 0 8 0 amappl11 160 50 0 40 1 0 1 1 0 8 0 amappl10 152 35 0 35 1 1 0 1 0 8 0 amappl9 144 141 0 141 1 1 0 1 0 8 0 amappl8 136 27 0 25 1 0 1 1 0 8 0 amappl7 128 269 0 257 1 0 1 1 0 8 0 amappl6 120 918 0 915 1 0 1 1 0 8 0 amappl5 112 433 0 424 1 0 1 1 0 8 0 amappl4 104 556 0 539 1 0 1 1 0 8 0 amappl3 96 9781 0 9674 4 0 4 4 0 8 0 amappl2 88 2846 0 2762 3 0 3 3 0 8 0 amappl1 80 19760 0 19191 16 1 15 15 0 8 1 amappl 88 17089 0 16877 7 1 6 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 43 0 7 1 0 1 1 0 8 0 uaddrrnd 24 2428 0 2391 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2428 0 2391 1 0 1 1 0 8 0 vmmpekpl 168 22591 0 22520 4 0 4 4 0 8 0 vmmpepl 168 160704 0 158543 153 42 111 127 0 357 8 vmsppl 440 2427 0 2391 8 2 6 7 0 8 0 rwobjpl 56 49699 0 43937 91 7 84 84 0 8 2 pdppl 4096 4863 0 4782 369 280 89 129 0 8 8 pvpl 32 34600 0 0 280 1 279 279 0 265 0 pmappl 248 2427 0 2391 5 1 4 4 0 8 1 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 782 0 366 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace fifo_write(ffff80003ec7b900) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd807b05c480,ffff80003ec7b998,8,fffffd807f7d3208) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807b05c480,ffff80002a05c800,100,0,1,867c93b918c27485,ffff80003ec7bac0,fffffd807b05c480,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff80003ec7bac0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8060da67f0,ffff80003ec7bc40,ffff80003ec7bc70,ffff80003ec7bb70,ffff80002a05c800) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff80002a0e9478,200010c0,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff80003ec7bdf0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003ec7bdf0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa64aa5794a0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp 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 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 copyout() at copyout+0x57 syscall(ffff80002a144d50) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a144d50) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x35ec27e65a0, count: 8 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 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 copyout() at copyout+0x57 syscall(ffff80002a144d50) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a144d50) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x35ec27e65a0, count: -7