panic: mtx 0xffffffff838e4960: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 67193 26908 32767 0x10 0 0 syz-executor 245428 30167 32767 0x10 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f7822) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838e4960) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff838e4960) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd800828c040) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800828c040) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800828c040) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8063224798,0,ffff80002a3932f8,ffff80002a3932dc,0,2,128005b74583773d,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80002a393510,ffff80002a393548,ffff80002a393390,ffff80002a393378) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80002a393510,ffff80002a393548,ffff80002a393490) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806bb249b0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80002a3936a0,200000000240) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80002a3936a0) at usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x76fb518ca510, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: mtx 0xffffffff838e4960: locking against myself ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f7822) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838e4960) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff838e4960) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd800828c040) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800828c040) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800828c040) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8063224798,0,ffff80002a3932f8,ffff80002a3932dc,0,2,128005b74583773d,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80002a393510,ffff80002a393548,ffff80002a393390,ffff80002a393378) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80002a393510,ffff80002a393548,ffff80002a393490) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806bb249b0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80002a3936a0,200000000240) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80002a3936a0) at usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x76fb518ca510, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a393030 rbx 0xffffffff8385addf cpu_info_full_primary+0x2ddf rdx 0 rcx 0xffff80002a39b4b0 rax 0xffffffff83859ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe9a48dcb940b775e r11 0x8501d35419447b67 r12 0xffffffff8385abe0 cpu_info_full_primary+0x2be0 r13 0 r14 0 r15 0x1 rip 0xffffffff8192f865 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a393020 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=67193 pid=26908 tcnt=4 stat=onproc flags process=10 proc=0 runpri=36, usrpri=76, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a39a2c0,0xffff80002a39bc70 process=0xffff80003c46c9f0 user=0xffff80002a38e000, vmspace=0xfffffd806bb249b0 estcpu=36, cpticks=2, pctcpu=0.0, user=1, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *26908 67193 22880 32767 7 0x10 syz-executor 26908 174477 22880 32767 3 0x4000090 fsleep syz-executor 26908 447905 22880 32767 3 0x4000010 biowait syz-executor 26908 6348 22880 32767 3 0x4000090 fsleep syz-executor 26891 299023 19901 32767 2 0x10 syz-executor 26891 512713 19901 32767 3 0x4000090 msgwait syz-executor 26891 347597 19901 32767 3 0x4000090 fsleep syz-executor 92802 1880 90198 0 3 0x82 sbwait sshd-session 26690 32055 59262 32767 2 0x10 syz-executor 26690 139105 59262 32767 3 0x4000090 fsleep syz-executor 33273 481991 16581 32767 2 0x10 syz-executor 33273 110112 16581 32767 3 0x4000090 fsleep syz-executor 33273 320854 16581 32767 3 0x4000090 fsleep syz-executor 30167 446357 67253 32767 2 0x10 syz-executor 30167 245428 67253 32767 7 0x4000010 syz-executor 62073 42787 0 0 3 0x14200 bored sosplice 59262 477855 95388 32767 3 0x90 nanoslp syz-executor 67253 295790 89536 32767 3 0x90 nanoslp syz-executor 19901 124222 12806 32767 3 0x90 nanoslp syz-executor 31397 56244 47156 32767 3 0x90 piperd syz-executor 6940 222879 25383 32767 3 0x10 biowait syz-executor 22880 32084 3492 32767 3 0x90 nanoslp syz-executor 16581 149166 19852 32767 3 0x90 nanoslp syz-executor 47156 468538 86058 0 3 0x82 wait syz-executor 25383 92093 86058 0 3 0x82 wait syz-executor 3492 91154 86058 0 3 0x82 wait syz-executor 19852 362824 86058 0 3 0x82 wait syz-executor 12806 112903 86058 0 3 0x82 wait syz-executor 95388 282639 86058 0 3 0x82 wait syz-executor 89536 459194 86058 0 3 0x82 wait syz-executor 86058 474155 71910 0 3 0x82 nanoslp syz-executor 71910 17186 20217 0 3 0x10008a sigsusp ksh 20217 477045 64428 0 3 0x98 kqread sshd-session 64428 417131 90198 0 3 0x92 kqread sshd-session 10051 519799 1 0 3 0x100083 ttyin getty 90198 128866 1 0 3 0x88 kqread sshd 68163 482478 68863 73 3 0x1100090 kqread syslogd 68863 108554 1 0 3 0x100082 sbwait syslogd 74888 148302 1 0 3 0x100080 kqread resolvd 50742 232257 80280 77 3 0x100092 kqread dhcpleased 49920 350265 80280 77 3 0x100092 kqread dhcpleased 80280 265617 1 0 3 0x80 kqread dhcpleased 91293 321389 0 0 3 0x14200 bored smr 89787 95839 0 0 2 0x14200 zerothread 45234 496087 0 0 3 0x14200 aiodoned aiodoned 80265 428122 0 0 3 0x14200 syncer update 85823 441371 0 0 3 0x14200 cleaner cleaner 89793 136861 0 0 3 0x14200 reaper reaper 1970 423589 0 0 3 0x14200 pgdaemon pagedaemon 18283 183808 0 0 3 0x14200 bored viomb 31370 154567 0 0 3 0x40014200 acpi0 acpi0 75007 427314 0 0 3 0x40014200 idle1 26798 306727 0 0 3 0x14200 bored softnet7 47898 181681 0 0 3 0x14200 bored softnet6 6605 181940 0 0 3 0x14200 bored softnet5 37775 57310 0 0 3 0x14200 bored softnet4 74074 183559 0 0 3 0x14200 bored softnet3 65732 133789 0 0 3 0x14200 bored softnet2 87127 503092 0 0 3 0x14200 bored softnet1 31849 151345 0 0 3 0x14200 bored softnet0 48765 239416 0 0 3 0x14200 bored systqmp 61089 230125 0 0 3 0x14200 bored systq 99196 158783 0 0 3 0x14200 tmoslp softclockmp 86206 516228 0 0 3 0x40014200 tmoslp softclock 73874 158109 0 0 3 0x40014200 idle0 1 339691 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff838e4970) #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+0x403 sys/arch/amd64/amd64/trap.c:605 #9 recall_trap+0x8 Process 26908 (syz-executor) thread 0xffff80002a39b4b0 (67193) exclusive rwlock uobjlk r = 0 (0xfffffd8074e98f40) #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+0x42b sys/kern/kern_rwlock.c:319 #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+0x403 sys/arch/amd64/amd64/trap.c:605 #9 recall_trap+0x8 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff838e4970) #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+0x403 sys/arch/amd64/amd64/trap.c:605 #9 recall_trap+0x8 Process 26908 (syz-executor) thread 0xffff80002a39b9d0 (447905) exclusive rrwlock inode r = 0 (0xfffffd8063beeb50) #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+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #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:748 #7 Xsyscall+0x128 Process 6940 (syz-executor) thread 0xffff80002a2b39c0 (222879) exclusive rrwlock inode r = 0 (0xfffffd8063beeec8) #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+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #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:3109 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c4761f8) #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+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3094 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10191 10954K 10968K 166960K 11272 0 pcb 17 12K 12K 166960K 17 0 rtable 195 5K 5K 166960K 263 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 5 0 counters 66 36K 36K 166960K 68 0 ioctlops 0 0K 2K 166960K 29 0 iov 0 0K 12K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1336 84K 84K 166960K 1477 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 13 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 21 77K 125K 166960K 311 0 sigio 0 0K 0K 166960K 3 0 proc 58 99K 131K 166960K 506 0 subproc 63 3K 4K 166960K 189 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 3 0K 0K 166960K 23 0 in_multi 88 6K 7K 166960K 101 0 ether_multi 1 0K 0K 166960K 2 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 367 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 234 168K 185K 166960K 3947 0 UVM aobj 9 2K 2K 166960K 9 0 pinsyscall 44 88K 110K 166960K 1333 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 9 0 NDP 10 0K 2K 166960K 27 0 temp 37 8671K 8735K 166960K 4513 0 kqueue 13 20K 26K 166960K 45 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 72 0 69 2 0 2 2 0 8 1 rtentry 176 99 0 10 5 0 5 5 0 8 0 unpcb 144 112 0 91 1 0 1 1 0 8 0 syncache 336 7 0 7 1 0 1 1 0 8 1 tcpcb 736 50 0 44 1 0 1 1 0 8 0 arp 128 10 0 1 1 0 1 1 0 8 0 inpcb 328 322 0 308 7 0 7 7 0 8 5 nd6 144 20 0 2 1 0 1 1 0 8 0 kcovpl 48 21 0 14 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 445 0 42 28 2 26 28 0 8 0 art_table 40 446 0 42 5 0 5 5 0 8 0 art_node 32 99 0 19 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 11 0 1 1 0 1 1 0 8 0 shmpl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1725 0 202 96 0 96 96 0 8 0 ffsino 296 1725 0 202 118 0 118 118 0 8 0 nchpl 144 2080 0 388 63 0 63 63 0 8 0 uvmvnodes 80 1923 0 0 40 0 40 40 0 8 0 vnodes 216 1923 0 0 107 0 107 107 0 8 0 namei 1024 6443 0 6442 2 1 1 2 0 8 0 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 7277 0 7275 3 2 1 2 1 8 0 plimitpl 152 198 0 176 2 0 2 2 0 8 1 sigapl 424 567 0 510 8 0 8 8 0 8 0 knotepl 120 492 0 0 15 0 15 15 0 8 0 kqueuepl 224 54 0 44 1 0 1 1 0 8 0 pipepl 344 153 0 126 3 0 3 3 0 8 0 fdescpl 528 544 0 510 4 0 4 4 0 8 1 filepl 160 2459 0 2251 12 0 12 12 0 8 3 lockfpl 104 30 0 27 1 0 1 1 0 8 0 lockfspl 48 14 0 11 1 0 1 1 0 8 0 sessionpl 144 38 0 22 1 0 1 1 0 8 0 pgrppl 48 60 0 37 1 0 1 1 0 8 0 ucredpl 104 280 0 262 1 0 1 1 0 8 0 zombiepl 144 510 0 510 1 0 1 1 0 8 1 processpl 1248 567 0 510 7 1 6 6 0 8 0 procpl 656 784 0 718 7 0 7 7 0 8 1 sosppl 168 1 0 1 1 1 0 1 0 8 0 sockpl 752 507 0 469 10 0 10 10 0 8 6 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 129 0 0 17 0 17 17 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 256 195 0 0 13 0 13 13 0 8 0 bufpl 280 3028 0 119 208 0 208 208 0 8 0 anonpl 32 11348 0 0 92 0 92 92 0 246 0 amapchunkpl 152 12326 0 11851 35 3 32 32 0 158 12 amappl16 200 2410 0 2388 27 17 10 26 0 8 8 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 103 0 92 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 1147 0 1113 2 0 2 2 0 8 0 amappl11 160 41 0 31 1 0 1 1 0 8 0 amappl10 152 12 0 11 1 0 1 1 0 8 0 amappl9 144 240 0 240 1 1 0 1 0 8 0 amappl8 136 21 0 20 1 0 1 1 0 8 0 amappl7 128 99 0 88 1 0 1 1 0 8 0 amappl6 120 173 0 169 1 0 1 1 0 8 0 amappl5 112 118 0 112 1 0 1 1 0 8 0 amappl4 104 275 0 259 1 0 1 1 0 8 0 amappl3 96 2046 0 1934 4 0 4 4 0 8 0 amappl2 88 634 0 573 2 0 2 2 0 8 0 amappl1 80 9326 0 8692 14 0 14 14 0 8 0 amappl 88 3273 0 3110 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 8 0 0 1 0 1 1 0 8 0 uaddrrnd 24 544 0 510 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 544 0 510 1 0 1 1 0 8 0 vmmpekpl 168 6443 0 6403 3 0 3 3 0 8 0 vmmpepl 168 41705 0 39653 112 0 112 112 0 357 21 vmsppl 488 543 0 510 7 1 6 6 0 8 1 rwobjpl 80 16534 0 13705 63 0 63 63 0 8 5 pdppl 4096 1095 0 1020 125 46 79 97 0 8 4 pvpl 32 17067 0 0 138 0 138 138 0 265 0 pmappl 256 543 0 510 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 299 0 52 8 0 8 8 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:438 panic(ffffffff833f7822) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838e4960) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff838e4960) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd800828c040) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800828c040) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800828c040) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8063224798,0,ffff80002a3932f8,ffff80002a3932dc,0,2,128005b74583773d,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80002a393510,ffff80002a393548,ffff80002a393390,ffff80002a393378) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80002a393510,ffff80002a393548,ffff80002a393490) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806bb249b0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80002a3936a0,200000000240) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80002a3936a0) at usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x76fb518ca510, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) 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(ffffffff83965c50) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83965c50) at __mp_lock+0x192 sys/kern/kern_lock.c:165 ifioctl(ffff8000014cc628,802069af,ffff800031009990,ffff80002a39aa70) at ifioctl+0x47f if_unit sys/net/if.c:-1 [inline] ifioctl(ffff8000014cc628,802069af,ffff800031009990,ffff80002a39aa70) at ifioctl+0x47f sys/net/if.c:2101 sys_ioctl(ffff80002a39aa70,ffff800031009b70,ffff800031009ac0) at sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 syscall(ffff800031009b70) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800031009b70) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3a2b651a340, count: 7 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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(ffffffff83965c50) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83965c50) at __mp_lock+0x192 sys/kern/kern_lock.c:165 ifioctl(ffff8000014cc628,802069af,ffff800031009990,ffff80002a39aa70) at ifioctl+0x47f if_unit sys/net/if.c:-1 [inline] ifioctl(ffff8000014cc628,802069af,ffff800031009990,ffff80002a39aa70) at ifioctl+0x47f sys/net/if.c:2101 sys_ioctl(ffff80002a39aa70,ffff800031009b70,ffff800031009ac0) at sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 syscall(ffff800031009b70) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800031009b70) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3a2b651a340, count: -8