panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *132302 43764 32767 0x10 0x4000000 0K syz-executor 59414 94749 32767 0x1010 0x4080000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bd849) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c0b4020,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806c0b4020,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff8000361cab24,2,200001c0,ffff8000361cab58,0,37,9c19afafd31c9412) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000361cab24,2,200001c0,ffff8000361cab58,0,37,9c19afafd31c9412) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:507 sys_sysctl(ffff800035fbacd0,ffff8000361cac90,ffff8000361cabe0) at sys_sysctl+0x422 syscall(ffff8000361cac90) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000361cac90) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2da3456a0f0, 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_unwire_locked: address not in map ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bd849) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c0b4020,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806c0b4020,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff8000361cab24,2,200001c0,ffff8000361cab58,0,37,9c19afafd31c9412) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000361cab24,2,200001c0,ffff8000361cab58,0,37,9c19afafd31c9412) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:507 sys_sysctl(ffff800035fbacd0,ffff8000361cac90,ffff8000361cabe0) at sys_sysctl+0x422 syscall(ffff8000361cac90) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000361cac90) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2da3456a0f0, count: -8 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000361ca7d0 rbx 0xffffffff83449dbf cpu_info_full_primary+0x2dbf rdx 0xffff80000129a440 rcx 0xffff800035fbacd0 rax 0xffffffff83448ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x5c342f44a097c745 r11 0x60dc3e87b3041e20 r12 0xffffffff83449bc0 cpu_info_full_primary+0x2bc0 r13 0 r14 0 r15 0x1 rip 0xffffffff82949a85 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000361ca7c0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=132302 pid=43764 tcnt=12 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800035fba028,0xffff800035fbb1f0 process=0xffff80002ef7a460 user=0xffff8000361c5000, vmspace=0xfffffd806c0b4020 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 43764 330027 11077 32767 2 0x490 syz-executor 43764 448833 11077 32767 3 0x4000090 fsleep syz-executor 43764 471453 11077 32767 3 0x4000090 fsleep syz-executor 43764 228672 11077 32767 3 0x4000090 fsleep syz-executor 43764 521391 11077 32767 3 0x4000090 fsleep syz-executor 43764 117654 11077 32767 3 0x4000090 fsleep syz-executor 43764 446993 11077 32767 3 0x4000090 fsleep syz-executor 43764 386544 11077 32767 3 0x4000090 fsleep syz-executor 43764 414734 11077 32767 3 0x4000090 fsleep syz-executor *43764 132302 11077 32767 7 0x4000010 syz-executor 43764 406847 11077 32767 3 0x4000090 fsleep syz-executor 43764 340641 11077 32767 3 0x4000090 fsleep syz-executor 31992 61189 38418 32767 2 0x490 syz-executor 31992 186308 38418 32767 3 0x4000090 sbwait syz-executor 31992 377646 38418 32767 3 0x4000090 fsleep syz-executor 94749 321085 69299 32767 3 0x3010 suspend syz-executor 94749 59414 69299 32767 7 0x4081010 syz-executor 69299 440321 4544 32767 2 0x490 syz-executor 11077 393060 34875 32767 2 0x490 syz-executor 4587 104815 61622 32767 2 0x10 syz-executor 73966 4526 68204 32767 2 0x10 syz-executor 93466 232319 9229 32767 2 0x10 syz-executor 47665 200698 63050 32767 2 0x10 syz-executor 38418 390238 9079 32767 2 0x490 syz-executor 21756 157256 33112 32767 2 0x10 syz-executor 34875 237574 5960 0 3 0x82 wait syz-executor 4544 252929 5960 0 3 0x82 wait syz-executor 61622 79931 5960 0 3 0x82 wait syz-executor 9229 505307 5960 0 3 0x82 wait syz-executor 68204 510019 5960 0 3 0x82 wait syz-executor 63050 338437 5960 0 3 0x82 wait syz-executor 33112 128933 5960 0 3 0x82 wait syz-executor 9079 308388 5960 0 3 0x82 wait syz-executor 5960 105173 47403 0 3 0x82 kqread syz-executor 47403 260983 5364 0 3 0x10008a sigsusp ksh 5364 276959 76725 0 3 0x98 kqread sshd-session 76725 458714 97578 0 3 0x92 kqread sshd-session 803 484691 1 0 3 0x100083 ttyin getty 97578 139962 1 0 3 0x88 kqread sshd 53652 103375 58929 73 3 0x1100090 kqread syslogd 58929 39862 1 0 3 0x100082 sbwait syslogd 94750 338609 1 0 3 0x100080 kqread resolvd 42329 125081 20332 77 3 0x100092 kqread dhcpleased 74389 177724 20332 77 3 0x100092 kqread dhcpleased 20332 116662 1 0 3 0x80 kqread dhcpleased 83692 207655 0 0 3 0x14200 bored smr 73811 41478 0 0 3 0x14200 pgzero zerothread 89772 183469 0 0 3 0x14200 aiodoned aiodoned 93366 421246 0 0 3 0x14200 syncer update 95825 360476 0 0 3 0x14200 cleaner cleaner 42904 491954 0 0 3 0x14200 reaper reaper 49392 352910 0 0 3 0x14200 pgdaemon pagedaemon 47684 246281 0 0 3 0x14200 bored viomb 94873 466288 0 0 3 0x40014200 acpi0 acpi0 9675 250376 0 0 3 0x40014200 idle1 36885 133902 0 0 3 0x14200 bored softnet3 20553 424572 0 0 3 0x14200 bored softnet2 55519 31692 0 0 3 0x14200 bored softnet1 64145 445031 0 0 2 0x14200 softnet0 53315 26873 0 0 3 0x14200 bored systqmp 53227 472117 0 0 3 0x14200 bored systq 93476 198576 0 0 3 0x14200 tmoslp softclockmp 83854 382801 0 0 3 0x40014200 tmoslp softclock 40839 119933 0 0 3 0x40014200 idle0 1 247902 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 43764 (syz-executor) thread 0xffff800035fbacd0 (132302) shared rwlock vmmaplk r = 0 (0xfffffd806c0b4118) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1622 #2 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #2 kern_sysctl+0x500 sys/kern/kern_sysctl.c:507 #3 sys_sysctl+0x422 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83624568) #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+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x21e sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #6 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #7 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #8 vfs_getcwd_common+0xd1 sys/kern/vfs_getcwd.c:287 #9 sysctl_proc_cwd+0x2b2 sys/kern/kern_sysctl.c:2321 #10 kern_sysctl+0x492 sys/kern/kern_sysctl.c:505 #11 sys_sysctl+0x422 #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff834322a0) #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 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:181 #3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:503 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 94749 (syz-executor) thread 0xffff800035fbb468 (59414) shared rwlock vmmaplk r = 0 (0xfffffd806c0b42d8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 #3 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #4 kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 #5 kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 #6 alltraps_kern_meltdown+0x7b #7 copyout+0x57 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 4587 (syz-executor) thread 0xffff8000ffff4020 (104815) exclusive rrwlock inode r = 0 (0xfffffd807e3ac2c0) #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 vget+0x2bd sys/kern/vfs_subr.c:673 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #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:178 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e3ac810) #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 vget+0x2bd sys/kern/vfs_subr.c:673 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x218 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 Process 73966 (syz-executor) thread 0xffff8000ffff5970 (4526) exclusive rrwlock inode r = 0 (0xfffffd807e3aca30) #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:178 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c7cd4e8) #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:178 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 93466 (syz-executor) thread 0xffff8000ffff7bf0 (232319) exclusive rrwlock inode r = 0 (0xfffffd807e3acc50) #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:178 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c7cd1b8) #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:178 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 47665 (syz-executor) thread 0xffff8000ffff6f48 (200698) exclusive rrwlock inode r = 0 (0xfffffd807e3ac0a0) #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 vget+0x2bd sys/kern/vfs_subr.c:673 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #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:178 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e3ace70) #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 vget+0x2bd sys/kern/vfs_subr.c:673 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x218 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 Process 21756 (syz-executor) thread 0xffff8000ffff6018 (157256) exclusive rrwlock inode r = 0 (0xfffffd807e3ac3d0) #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 vget+0x2bd sys/kern/vfs_subr.c:673 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #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:178 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e3ac5f0) #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 vget+0x2bd sys/kern/vfs_subr.c:673 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x218 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10182 11047K 11059K 166960K 11260 0 pcb 17 12K 12K 166960K 17 0 rtable 234 6K 6K 166960K 345 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 29 0 iov 1 2K 8K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1364 86K 86K 166960K 1382 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 5 0K 0K 166960K 5 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 21 77K 125K 166960K 182 0 sigio 0 0K 0K 166960K 4 0 proc 59 91K 115K 166960K 474 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 22 0 in_multi 99 7K 7K 166960K 111 0 ether_multi 1 0K 0K 166960K 5 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 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 338 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 232 77K 89K 166960K 3028 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 42 84K 113K 166960K 1170 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 4 0 NDP 11 0K 2K 166960K 27 0 temp 46 6811K 6879K 166960K 3769 0 kqueue 15 24K 29K 166960K 33 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 37 0 34 1 0 1 1 0 8 0 rtentry 112 111 0 1 4 0 4 4 0 8 0 unpcb 144 81 0 62 2 0 2 2 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 808 27 0 22 2 0 2 2 0 8 1 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 336 104 0 96 2 0 2 2 0 8 0 nd6 136 24 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 256 452 0 0 29 0 29 29 0 8 0 art_table 32 453 0 0 4 0 4 4 0 8 0 art_node 16 110 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semapl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1598 0 94 95 0 95 95 0 8 0 ffsino 272 1598 0 94 101 0 101 101 0 8 0 nchpl 144 1837 0 163 63 0 63 63 0 8 0 uvmvnodes 80 1711 0 0 35 0 35 35 0 8 0 vnodes 216 1711 0 0 96 0 96 96 0 8 0 namei 1024 5412 0 5410 2 0 2 2 0 8 1 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 5293 0 5293 3 2 1 2 1 8 1 plimitpl 152 47 0 22 2 0 2 2 0 8 0 sigapl 424 453 0 402 8 0 8 8 0 8 0 futexpl 64 695 0 684 1 0 1 1 0 8 0 knotepl 120 303 0 0 10 0 10 10 0 8 0 kqueuepl 216 37 0 25 2 0 2 2 0 8 0 pipepl 320 106 0 78 3 0 3 3 0 8 0 fdescpl 496 435 0 402 7 1 6 6 0 8 0 filepl 152 1566 0 1314 11 0 11 11 0 8 0 lockfpl 104 14 0 11 1 0 1 1 0 8 0 lockfspl 48 9 0 6 1 0 1 1 0 8 0 sessionpl 144 22 0 6 1 0 1 1 0 8 0 pgrppl 48 33 0 9 1 0 1 1 0 8 0 ucredpl 104 135 0 116 1 0 1 1 0 8 0 zombiepl 144 403 0 402 1 0 1 1 0 8 0 processpl 1160 453 0 402 5 0 5 5 0 8 0 procpl 648 533 0 468 6 0 6 6 0 8 0 sockpl 664 222 0 192 5 0 5 5 0 8 1 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 151 0 0 19 0 19 19 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 201 0 0 13 0 13 13 0 8 0 bufpl 280 2208 0 95 151 0 151 151 0 8 0 anonpl 24 133973 0 127352 42 0 42 42 0 185 0 amapchunkpl 152 10303 0 9814 35 0 35 35 0 158 12 amappl16 200 3557 0 3325 13 0 13 13 0 8 0 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 113 0 103 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 1066 0 1033 2 0 2 2 0 8 0 amappl11 160 45 0 35 1 0 1 1 0 8 0 amappl10 152 11 0 11 1 1 0 1 0 8 0 amappl9 144 127 0 127 1 1 0 1 0 8 0 amappl8 136 19 0 18 1 0 1 1 0 8 0 amappl7 128 94 0 84 1 0 1 1 0 8 0 amappl6 120 155 0 154 1 0 1 1 0 8 0 amappl5 112 131 0 123 1 0 1 1 0 8 0 amappl4 104 278 0 264 1 0 1 1 0 8 0 amappl3 96 1831 0 1745 3 0 3 3 0 8 0 amappl2 88 702 0 621 3 0 3 3 0 8 1 amappl1 80 7472 0 6949 13 0 13 13 0 8 1 amappl 88 2698 0 2520 5 0 5 5 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 24 435 0 402 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 435 0 402 1 0 1 1 0 8 0 vmmpekpl 168 4872 0 4830 2 0 2 2 0 8 0 vmmpepl 168 35105 0 33069 96 0 96 96 0 357 0 vmsppl 448 434 0 402 5 0 5 5 0 8 0 rwobjpl 56 15853 0 13101 41 1 40 40 0 8 0 pdppl 4096 877 0 804 111 30 81 97 0 8 8 pvpl 32 14158 0 0 115 0 115 115 0 265 0 pmappl 248 434 0 402 4 1 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 393 0 32 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bd849) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c0b4020,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806c0b4020,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff8000361cab24,2,200001c0,ffff8000361cab58,0,37,9c19afafd31c9412) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000361cab24,2,200001c0,ffff8000361cab58,0,37,9c19afafd31c9412) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:507 sys_sysctl(ffff800035fbacd0,ffff8000361cac90,ffff8000361cabe0) at sys_sysctl+0x422 syscall(ffff8000361cac90) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000361cac90) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2da3456a0f0, 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 mtx_enter_try(fffffd806c1100f8) at mtx_enter_try+0x52 sys/kern/kern_lock.c:262 mtx_enter(fffffd806c1100f8) at mtx_enter+0x60 sys/kern/kern_lock.c:239 pmap_extract(fffffd806c1100f8,20dc3000,ffff8000371db9a0) at pmap_extract+0xac sys/arch/amd64/amd64/pmap.c:1572 uvm_fault_upper_lookup(ffff8000371dbb40,ffff8000371dbb78,ffff8000371dba40,ffff8000371dbac0) at uvm_fault_upper_lookup+0x189 sys/uvm/uvm_fault.c:860 uvm_fault(fffffd806c0b41e0,20dc5000,0,1) at uvm_fault+0x169 sys/uvm/uvm_fault.c:605 kpageflttrap(ffff8000371dbce0,20dc5000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371dbce0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x57 syscall(ffff8000371dc130) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371dc130) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x46367234fc0, count: 1 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 mtx_enter_try(fffffd806c1100f8) at mtx_enter_try+0x52 sys/kern/kern_lock.c:262 mtx_enter(fffffd806c1100f8) at mtx_enter+0x60 sys/kern/kern_lock.c:239 pmap_extract(fffffd806c1100f8,20dc3000,ffff8000371db9a0) at pmap_extract+0xac sys/arch/amd64/amd64/pmap.c:1572 uvm_fault_upper_lookup(ffff8000371dbb40,ffff8000371dbb78,ffff8000371dba40,ffff8000371dbac0) at uvm_fault_upper_lookup+0x189 sys/uvm/uvm_fault.c:860 uvm_fault(fffffd806c0b41e0,20dc5000,0,1) at uvm_fault+0x169 sys/uvm/uvm_fault.c:605 kpageflttrap(ffff8000371dbce0,20dc5000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371dbce0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x57 syscall(ffff8000371dc130) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371dc130) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x46367234fc0, count: -14