panic: mtx 0xffffffff839c5d90: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *371491 96333 32767 0x10 0 1 syz-executor 480590 97876 32767 0x10 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833eeca8) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839c5d90) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff839c5d90) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd800858f408) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800858f408) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800858f408) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8062eb29a0,0,ffff800035ff0678,ffff800035ff065c,0,2,93bb980459d23917,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800035ff0890,ffff800035ff08c8,ffff800035ff0710,ffff800035ff06f8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800035ff0890,ffff800035ff08c8,ffff800035ff0810) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c361028,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800035ff0a20,200000000340) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800035ff0a20) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x76ae70010670, count: 2 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 *cpu1: mtx 0xffffffff839c5d90: locking against myself ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833eeca8) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839c5d90) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff839c5d90) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd800858f408) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800858f408) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800858f408) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8062eb29a0,0,ffff800035ff0678,ffff800035ff065c,0,2,93bb980459d23917,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800035ff0890,ffff800035ff08c8,ffff800035ff0710,ffff800035ff06f8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800035ff0890,ffff800035ff08c8,ffff800035ff0810) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c361028,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800035ff0a20,200000000340) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800035ff0a20) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x76ae70010670, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800035ff03b0 rbx 0xffff8000299dedd7 rdx 0 rcx 0xffff80003a41b4a8 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa406e25c51f7b7e2 r11 0x4881eec0473863cd r12 0xffff8000299debd8 r13 0 r14 0 r15 0x1 rip 0xffffffff82987b05 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800035ff03a0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=371491 pid=96333 tcnt=4 stat=onproc flags process=10 proc=0 runpri=50, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003a41a548,0xffff80003a41a7e8 process=0xffff80003a011380 user=0xffff800035feb000, vmspace=0xfffffd806c361028 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *96333 371491 36460 32767 7 0x10 syz-executor 96333 84433 36460 32767 2 0x4000010 syz-executor 96333 160565 36460 32767 2 0x4000010 syz-executor 96333 339361 36460 32767 2 0x4000090 syz-executor 40311 154101 56235 32767 2 0x10 syz-executor 40311 520239 56235 32767 3 0x4000090 fsleep syz-executor 99064 442450 444 32767 2 0x10 syz-executor 99064 104591 444 32767 3 0x4000090 fsleep syz-executor 36460 315105 4289 32767 3 0x90 nanoslp syz-executor 38399 464767 92147 32767 3 0x90 nanoslp syz-executor 56235 57450 700 32767 3 0x90 nanoslp syz-executor 444 112209 27066 32767 3 0x90 nanoslp syz-executor 55974 266806 49617 32767 2 0x10 syz-executor 97876 480590 30313 32767 7 0x10 syz-executor 81077 348906 29963 32767 3 0x90 nanoslp syz-executor 92147 209972 8215 0 3 0x82 wait syz-executor 4289 230803 8215 0 3 0x82 wait syz-executor 27066 301806 8215 0 3 0x82 wait syz-executor 700 309097 8215 0 3 0x82 wait syz-executor 49617 194994 8215 0 3 0x82 wait syz-executor 29963 1633 8215 0 3 0x82 wait syz-executor 30313 379587 8215 0 3 0x82 wait syz-executor 8215 40559 40062 0 3 0x82 nanoslp syz-executor 40062 155926 33227 0 3 0x10008a sigsusp ksh 33227 7721 70399 0 3 0x98 kqread sshd-session 70399 212287 88919 0 3 0x92 kqread sshd-session 93741 437169 1 0 3 0x100083 ttyin getty 88919 287283 1 0 3 0x88 kqread sshd 69626 124176 17591 73 3 0x1100090 kqread syslogd 17591 454019 1 0 3 0x100082 sbwait syslogd 21273 187265 1 0 3 0x100080 kqread resolvd 86575 266389 45759 77 3 0x100092 kqread dhcpleased 69482 280140 45759 77 3 0x100092 kqread dhcpleased 45759 371394 1 0 3 0x80 kqread dhcpleased 56583 14435 0 0 3 0x14200 bored smr 85751 209361 0 0 2 0x14200 zerothread 78662 418953 0 0 3 0x14200 aiodoned aiodoned 61507 250846 0 0 3 0x14200 syncer update 35314 375316 0 0 3 0x14200 cleaner cleaner 13820 22362 0 0 3 0x14200 reaper reaper 41414 329579 0 0 3 0x14200 pgdaemon pagedaemon 52705 337605 0 0 3 0x14200 bored viomb 62105 277659 0 0 3 0x40014200 acpi0 acpi0 960 26585 0 0 3 0x40014200 idle1 73071 516885 0 0 3 0x14200 bored softnet3 7761 259423 0 0 3 0x14200 bored softnet2 36567 39941 0 0 3 0x14200 bored softnet1 48832 151851 0 0 3 0x14200 bored softnet0 12814 171840 0 0 3 0x14200 bored systqmp 25163 138640 0 0 3 0x14200 bored systq 69272 191193 0 0 3 0x14200 tmoslp softclockmp 1808 310230 0 0 3 0x40014200 tmoslp softclock 65490 229829 0 0 3 0x40014200 idle0 1 302630 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839c5da0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 uvn_get+0x679 sys/uvm/uvm_vnode.c:1117 #4 uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #8 usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 #9 recall_trap+0x8 Process 96333 (syz-executor) thread 0xffff80003a41b4a8 (371491) exclusive rwlock uobjlk r = 0 (0xfffffd806c3a1a08) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 uvn_io+0x667 sys/uvm/uvm_vnode.c:1297 #3 uvn_get+0x31d sys/uvm/uvm_vnode.c:1102 #4 uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #8 usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 #9 recall_trap+0x8 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839c5da0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 uvn_get+0x679 sys/uvm/uvm_vnode.c:1117 #4 uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #8 usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 #9 recall_trap+0x8 Process 96333 (syz-executor) thread 0xffff80003a41a2b8 (160565) exclusive rrwlock inode r = 0 (0xfffffd807e3729a0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 sys_ftruncate+0x1c4 sys/kern/vfs_syscalls.c:2912 #6 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #7 Xsyscall+0x128 Process 55974 (syz-executor) thread 0xffff80002a296ce8 (266806) exclusive rrwlock inode r = 0 (0xfffffd806c9fbd38) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:693 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #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:1864 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8079559430) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #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:1864 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #9 Xsyscall+0x128 Process 97876 (syz-executor) thread 0xffff80002a2962a8 (480590) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838f1ca8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2da sys/kern/kern_synch.c:366 #3 biowait+0xc1 sys/kern/vfs_bio.c:1242 #4 bwrite+0x2e5 sys/kern/vfs_bio.c:754 #5 ufs_dirremove+0x2ac sys/ufs/ufs/ufs_lookup.c:919 #6 ufs_rmdir+0x287 sys/ufs/ufs/ufs_vnops.c:1248 #7 VOP_RMDIR+0x19a sys/kern/vfs_vops.c:413 #8 dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1897 #9 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c08ad40) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:693 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #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:1864 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8079559d30) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #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:1864 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10185 10953K 10967K 166960K 11266 0 pcb 17 12K 12K 166960K 17 0 rtable 217 6K 7K 166960K 358 0 pf 29 16K 16K 166960K 31 0 ifaddr 38 6K 7K 166960K 44 0 ifgroup 46 2K 2K 166960K 50 0 sysctl 1 1K 9K 166960K 6 0 counters 66 36K 36K 166960K 68 0 ioctlops 0 0K 2K 166960K 29 0 iov 0 0K 16K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1334 84K 84K 166960K 1391 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 5 0K 0K 166960K 7 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 21 77K 125K 166960K 221 0 sigio 0 0K 0K 166960K 2 0 proc 58 79K 127K 166960K 480 0 subproc 63 3K 4K 166960K 108 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 15 0 in_multi 88 6K 7K 166960K 101 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 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 352 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 226 151K 172K 166960K 3442 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 42 84K 110K 166960K 1248 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 10 0K 2K 166960K 27 0 temp 34 8675K 8740K 166960K 4069 0 kqueue 13 20K 28K 166960K 32 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 39 0 36 1 0 1 1 0 8 0 rtentry 176 112 0 12 6 0 6 6 0 8 0 unpcb 144 69 0 54 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 91 0 87 7 0 7 7 0 8 6 arp 128 18 0 2 1 0 1 1 0 8 0 inpcb 328 176 0 169 7 0 7 7 0 8 6 ip6q 72 1 0 1 1 0 1 1 0 8 1 ip6af 40 2 0 2 1 0 1 1 0 8 1 nd6 144 25 0 3 1 0 1 1 0 8 0 kcovpl 48 12 0 5 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 454 0 44 29 0 29 29 0 8 1 art_table 32 455 0 44 4 0 4 4 0 8 0 art_node 16 111 0 20 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semapl 112 4 0 1 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1638 0 127 95 0 95 95 0 8 0 ffsino 288 1638 0 127 109 0 109 109 0 8 0 nchpl 144 1913 0 230 63 0 63 63 0 8 0 uvmvnodes 80 1755 0 0 36 0 36 36 0 8 0 vnodes 216 1755 0 0 98 0 98 98 0 8 0 namei 1024 5776 0 5776 2 0 2 2 0 8 2 percpumem 16 49 0 1 1 0 1 1 0 8 0 kstatmem 264 24 0 2 2 0 2 2 0 8 0 scxspl 216 6426 0 6425 3 2 1 2 1 8 0 plimitpl 152 50 0 28 2 0 2 2 0 8 1 sigapl 424 493 0 442 8 0 8 8 0 8 0 knotepl 120 62 0 0 2 0 2 2 0 8 0 kqueuepl 224 40 0 31 1 0 1 1 0 8 0 pipepl 336 182 0 155 8 0 8 8 0 8 5 fdescpl 520 475 0 442 4 0 4 4 0 8 0 filepl 160 1944 0 1745 15 0 15 15 0 8 5 lockfpl 104 35 0 32 1 0 1 1 0 8 0 lockfspl 48 14 0 11 1 0 1 1 0 8 0 sessionpl 144 26 0 11 1 0 1 1 0 8 0 pgrppl 48 40 0 18 1 0 1 1 0 8 0 ucredpl 104 174 0 156 1 0 1 1 0 8 0 zombiepl 144 444 0 442 1 0 1 1 0 8 0 processpl 1240 493 0 442 5 0 5 5 0 8 0 procpl 656 608 0 552 6 0 6 6 0 8 0 sockpl 728 317 0 292 10 0 10 10 0 8 7 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 170 0 0 11 0 11 11 0 8 0 bufpl 280 2575 0 116 176 0 176 176 0 8 0 anonpl 32 7350 0 0 61 1 60 60 0 246 0 amapchunkpl 152 9686 0 9206 24 0 24 24 0 158 2 amappl16 200 1613 0 1578 14 0 14 14 0 8 9 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 140 0 130 1 0 1 1 0 8 0 amappl13 176 5 0 4 1 0 1 1 0 8 0 amappl12 168 1087 0 1053 2 0 2 2 0 8 0 amappl11 160 42 0 32 1 0 1 1 0 8 0 amappl10 152 37 0 37 1 1 0 1 0 8 0 amappl9 144 254 0 254 1 1 0 1 0 8 0 amappl8 136 31 0 30 1 0 1 1 0 8 0 amappl7 128 165 0 154 1 0 1 1 0 8 0 amappl6 120 177 0 174 1 0 1 1 0 8 0 amappl5 112 110 0 104 1 0 1 1 0 8 0 amappl4 104 284 0 269 1 0 1 1 0 8 0 amappl3 96 1632 0 1519 4 0 4 4 0 8 0 amappl2 88 631 0 578 2 0 2 2 0 8 0 amappl1 80 8318 0 7757 14 0 14 14 0 8 0 amappl 88 2789 0 2627 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 475 0 442 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 475 0 442 1 0 1 1 0 8 0 vmmpekpl 168 5816 0 5776 3 0 3 3 0 8 0 vmmpepl 168 36470 0 34530 101 0 101 101 0 357 7 vmsppl 480 474 0 442 7 1 6 6 0 8 0 rwobjpl 72 14244 0 11663 51 0 51 51 0 8 1 pdppl 4096 958 0 884 112 30 82 98 0 8 8 pvpl 32 14594 0 0 119 1 118 118 0 265 0 pmappl 256 474 0 442 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 406 0 33 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8386eff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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(ffffffff838f1aa0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838f1aa0) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002f7cb710,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff838f1aa0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838f1aa0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff838f1aa0,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2da sys/kern/kern_synch.c:366 getblk(fffffd800b039798,12ffa0,4000,0,ffffffffffffffff) at getblk+0x197 sys/kern/vfs_bio.c:1013 bread(fffffd800b039798,12ffa0,4000,ffff80002f7cbb08) at bread+0x47 bio_doread sys/kern/vfs_bio.c:418 [inline] bread(fffffd800b039798,12ffa0,4000,ffff80002f7cbb08) at bread+0x47 sys/kern/vfs_bio.c:463 ffs_update(fffffd806c08aca0,1) at ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 ffs_truncate(fffffd806c08aca0,0,4,fffffd80097fb888) at ffs_truncate+0xcb6 sys/ufs/ffs/ffs_inode.c:-1 end trace frame: 0xffff80002f7cbdd0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff8386eff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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(ffffffff838f1aa0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838f1aa0) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002f7cb710,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff838f1aa0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838f1aa0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff838f1aa0,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2da sys/kern/kern_synch.c:366 getblk(fffffd800b039798,12ffa0,4000,0,ffffffffffffffff) at getblk+0x197 sys/kern/vfs_bio.c:1013 bread(fffffd800b039798,12ffa0,4000,ffff80002f7cbb08) at bread+0x47 bio_doread sys/kern/vfs_bio.c:418 [inline] bread(fffffd800b039798,12ffa0,4000,ffff80002f7cbb08) at bread+0x47 sys/kern/vfs_bio.c:463 ffs_update(fffffd806c08aca0,1) at ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 ffs_truncate(fffffd806c08aca0,0,4,fffffd80097fb888) at ffs_truncate+0xcb6 sys/ufs/ffs/ffs_inode.c:-1 ufs_rmdir(ffff80002f7cbde8) at ufs_rmdir+0x377 sys/ufs/ufs/ufs_vnops.c:1265 VOP_RMDIR(fffffd8079536030,fffffd805feefe70,ffff80002f7cbec8) at VOP_RMDIR+0x19a sys/kern/vfs_vops.c:413 dounlinkat(ffff80002a2962a8,ffffff9c,70c30441dd80,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1897 syscall(ffff80002f7cc040) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002f7cc040) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70c30441dd70, count: -19 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833eeca8) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839c5d90) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff839c5d90) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd800858f408) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800858f408) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800858f408) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8062eb29a0,0,ffff800035ff0678,ffff800035ff065c,0,2,93bb980459d23917,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800035ff0890,ffff800035ff08c8,ffff800035ff0710,ffff800035ff06f8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800035ff0890,ffff800035ff08c8,ffff800035ff0810) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c361028,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800035ff0a20,200000000340) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800035ff0a20) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x76ae70010670, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833eeca8) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839c5d90) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff839c5d90) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd800858f408) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800858f408) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800858f408) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8062eb29a0,0,ffff800035ff0678,ffff800035ff065c,0,2,93bb980459d23917,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800035ff0890,ffff800035ff08c8,ffff800035ff0710,ffff800035ff06f8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800035ff0890,ffff800035ff08c8,ffff800035ff0810) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c361028,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800035ff0a20,200000000340) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800035ff0a20) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x76ae70010670, count: -13