panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 74924 81656 0 0x8000000 0 0 syz-executor.4 65408 44405 0 0x8000002 0 1K syz-executor.5 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82957fcc) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290a188,ffffffff828ac2e3,90,ffffffff8290bf50) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd8007fad240,fffffd806e38c608,6e6a88000,0) at uvm_pagealloc_pg+0x3e9 sys/uvm/uvm_page.c:695 uvm_pagealloc(fffffd806e38c608,6e6a88000,0,3) at uvm_pagealloc+0x1ed sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd806e38c5d8,dcd51019000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215 pmap_enter(fffffd806e38c5d8,dcd51019000,753fc000,1,21) at pmap_enter+0x2c6 sys/arch/amd64/amd64/pmap.c:2722 uvm_fault_lower(ffff800033f887e0,ffff800033f88818,ffff800033f88760,0) at uvm_fault_lower+0x776 sys/uvm/uvm_fault.c:1518 uvm_fault(fffffd806b54b6f8,dcd51019000,0,1) at uvm_fault+0x255 sys/uvm/uvm_fault.c:637 upageflttrap(ffff800033f88960,dcd5101904c) at upageflttrap+0x8b sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800033f88960) at usertrap+0x227 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x709a49134080, count: 3 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: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82957fcc) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290a188,ffffffff828ac2e3,90,ffffffff8290bf50) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd8007fad240,fffffd806e38c608,6e6a88000,0) at uvm_pagealloc_pg+0x3e9 sys/uvm/uvm_page.c:695 uvm_pagealloc(fffffd806e38c608,6e6a88000,0,3) at uvm_pagealloc+0x1ed sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd806e38c5d8,dcd51019000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215 pmap_enter(fffffd806e38c5d8,dcd51019000,753fc000,1,21) at pmap_enter+0x2c6 sys/arch/amd64/amd64/pmap.c:2722 uvm_fault_lower(ffff800033f887e0,ffff800033f88818,ffff800033f88760,0) at uvm_fault_lower+0x776 sys/uvm/uvm_fault.c:1518 uvm_fault(fffffd806b54b6f8,dcd51019000,0,1) at uvm_fault+0x255 sys/uvm/uvm_fault.c:637 upageflttrap(ffff800033f88960,dcd5101904c) at upageflttrap+0x8b sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800033f88960) at usertrap+0x227 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x709a49134080, count: -12 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800033f88300 rbx 0xffffffff82ce7cbf cpu_info_full_primary+0x2cbf rdx 0 rcx 0xffff80002a2342b8 rax 0xffffffff82ce6ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xdfdfe08681738f6c r11 0x224ca5f284197ee1 r12 0xffffffff82ce7ac0 cpu_info_full_primary+0x2ac0 r13 0 r14 0 r15 0x1 rip 0xffffffff810d9f8c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800033f882f0 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.4) tid=74924 pid=81656 tcnt=2 stat=onproc flags process=8000000 proc=0 runpri=86, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff800030b2a550,0xffff8000ffffd730 process=0xffff8000ffff4018 user=0xffff800033f83000, vmspace=0xfffffd806b54b6f8 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 84819 384643 19164 0 2 0x8000000 syz-executor.0 96783 325630 77014 0 2 0x8000000 syz-executor.6 96783 97208 77014 0 3 0xc000080 kqpoll syz-executor.6 *81656 74924 6388 0 7 0x8000000 syz-executor.4 81656 294560 6388 0 3 0xc000080 fsleep syz-executor.4 39273 167285 99157 0 2 0x8000082 syz-executor.3 9529 366834 37019 0 3 0x8000080 nanoslp syz-executor.7 9529 513943 37019 0 3 0xc000080 kqsel syz-executor.7 9529 274440 37019 0 3 0xc000080 fsleep syz-executor.7 59992 368513 0 0 3 0x14280 nfsidl nfsio 85263 493687 0 0 3 0x14280 nfsidl nfsio 52791 432412 0 0 3 0x14280 nfsidl nfsio 61715 41867 0 0 3 0x14280 nfsidl nfsio 90533 236199 0 0 3 0x14280 nfsidl nfsio 99519 510153 0 0 3 0x14280 nfsidl nfsio 56974 479101 0 0 3 0x14280 nfsidl nfsio 12291 402913 0 0 3 0x14280 nfsidl nfsio 93204 52566 0 0 3 0x14280 nfsidl nfsio 30095 283720 0 0 3 0x14280 nfsidl nfsio 6266 419816 0 0 3 0x14280 nfsidl nfsio 35693 404012 0 0 3 0x14280 nfsidl nfsio 38564 53636 0 0 3 0x14280 nfsidl nfsio 5580 209506 0 0 3 0x14280 nfsidl nfsio 79920 181434 0 0 3 0x14280 nfsidl nfsio 92073 133935 0 0 3 0x14280 nfsidl nfsio 90021 467388 0 0 3 0x14280 nfsidl nfsio 9438 63380 0 0 3 0x14280 nfsidl nfsio 82746 494836 0 0 3 0x14280 nfsidl nfsio 13957 343248 0 0 3 0x14280 nfsidl nfsio 37019 55652 99157 0 2 0x8000002 syz-executor.7 77014 51653 99157 0 3 0x8000082 nanoslp syz-executor.6 66498 453034 99157 0 2 0x8000002 syz-executor.1 57445 377600 99157 0 3 0x8000082 nanoslp syz-executor.2 44405 65408 99157 0 7 0x8000002 syz-executor.5 6388 91839 99157 0 2 0x8000002 syz-executor.4 19164 76633 99157 0 2 0x8000002 syz-executor.0 25765 280800 0 0 3 0x14200 bored sosplice 99157 206099 86804 0 3 0x1a000082 thrsleep syz-fuzzer 99157 129962 86804 0 3 0x1e000082 nanoslp syz-fuzzer 99157 62517 86804 0 3 0x1e000082 thrsleep syz-fuzzer 99157 434940 86804 0 3 0x1e000082 thrsleep syz-fuzzer 99157 311111 86804 0 3 0x1e000082 thrsleep syz-fuzzer 99157 14975 86804 0 3 0x1e000082 wait syz-fuzzer 99157 952 86804 0 3 0x1e000082 wait syz-fuzzer 99157 197537 86804 0 3 0x1e000082 wait syz-fuzzer 99157 7720 86804 0 3 0x1e000082 thrsleep syz-fuzzer 99157 84355 86804 0 3 0x1e000082 wait syz-fuzzer 99157 1947 86804 0 3 0x1e000082 thrsleep syz-fuzzer 99157 361029 86804 0 3 0x1e000082 wait syz-fuzzer 99157 247397 86804 0 3 0x1e000082 wait syz-fuzzer 99157 296986 86804 0 3 0x1e000082 kqread syz-fuzzer 99157 146169 86804 0 3 0x1e000082 wait syz-fuzzer 99157 294096 86804 0 3 0x1e000082 wait syz-fuzzer 86804 307775 58006 0 3 0x810008a sigsusp ksh 58006 322714 9577 0 3 0x1800009a kqread sshd 19215 369704 1 0 3 0x18100083 ttyin getty 9577 365482 1 0 3 0x18000088 kqread sshd 1695 442174 2132 74 3 0x19100092 bpf pflogd 2132 309450 1 0 3 0x18000080 sbwait pflogd 92927 10157 68225 73 3 0x19100090 kqread syslogd 68225 249330 1 0 3 0x18100082 sbwait syslogd 39845 284444 1 0 3 0x18100080 kqread resolvd 33578 319942 33155 77 3 0x18100092 kqread dhcpleased 82579 403304 33155 77 3 0x18100092 kqread dhcpleased 33155 173876 1 0 3 0x18000080 kqread dhcpleased 37102 201929 0 0 3 0x14200 bored smr 32702 331482 0 0 2 0x14200 zerothread 66908 477512 0 0 3 0x14200 aiodoned aiodoned 33229 157815 0 0 3 0x14200 syncer update 80251 476558 0 0 3 0x14200 cleaner cleaner 73973 508312 0 0 3 0x14200 reaper reaper 11428 266415 0 0 3 0x14200 pgdaemon pagedaemon 23748 401065 0 0 3 0x14200 bored viomb 72715 474099 0 0 3 0x40014200 acpi0 acpi0 70545 55149 0 0 3 0x40014200 idle1 72076 506848 0 0 3 0x14200 bored softnet3 44088 502959 0 0 3 0x14200 bored softnet2 13332 147702 0 0 3 0x14200 bored softnet1 28122 495931 0 0 3 0x14200 bored softnet0 23897 374154 0 0 3 0x14200 bored systqmp 58401 288470 0 0 3 0x14200 bored systq 66860 271689 0 0 3 0x14200 tmoslp softclockmp 23654 87408 0 0 3 0x40014200 tmoslp softclock 62841 289422 0 0 3 0x40014200 idle0 1 298358 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806e38c5e8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pmap_enter+0x1c6 rcr3 machine/cpufunc.h:141 [inline] #3 pmap_enter+0x1c6 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:425 [inline] #3 pmap_enter+0x1c6 sys/arch/amd64/amd64/pmap.c:2716 #4 uvm_fault_lower+0x776 sys/uvm/uvm_fault.c:1518 #5 uvm_fault+0x255 sys/uvm/uvm_fault.c:637 #6 upageflttrap+0x8b sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x227 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 CPU 1: exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/vfs_subr.c:119 r = 0 (0xffffffff82cc8488) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 vn_lock+0x94 sys/kern/vfs_vnops.c:567 #4 vget+0x1fd sys/kern/vfs_subr.c:676 #5 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #6 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201 #7 ufs_lookup+0x1373 sys/ufs/ufs/ufs_lookup.c:478 #8 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:566 #10 namei+0x56a sys/kern/vfs_lookup.c:250 #11 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #12 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #12 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 Process 81656 (syz-executor.4) thread 0xffff80002a2342b8 (74924) exclusive rwlock uobjlk r = 0 (0xfffffd807efb2b70) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 uvm_fault_lower_lookup+0x4b sys/uvm/uvm_fault.c:1126 #3 uvm_fault_lower+0x62 sys/uvm/uvm_fault.c:1227 #4 uvm_fault+0x255 sys/uvm/uvm_fault.c:637 #5 upageflttrap+0x8b sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x227 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806b54b7e8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x3e sys/uvm/uvm_fault.c:672 #3 uvm_fault+0xf2 sys/uvm/uvm_fault.c:600 #4 upageflttrap+0x8b sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x227 sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806e38c5e8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pmap_enter+0x1c6 rcr3 machine/cpufunc.h:141 [inline] #3 pmap_enter+0x1c6 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:425 [inline] #3 pmap_enter+0x1c6 sys/arch/amd64/amd64/pmap.c:2716 #4 uvm_fault_lower+0x776 sys/uvm/uvm_fault.c:1518 #5 uvm_fault+0x255 sys/uvm/uvm_fault.c:637 #6 upageflttrap+0x8b sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x227 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 44405 (syz-executor.5) thread 0xffff80002a224560 (65408) exclusive rrwlock inode r = 0 (0xfffffd806b392708) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x1373 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:566 #11 namei+0x56a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e3ed2c8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #8 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #8 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82e3edf0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 syscall+0x83b mi_syscall sys/sys/syscall_mi.h:180 [inline] #1 syscall+0x83b sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10190 6497K 6675K 166960K 12024 0 pcb 15 13K 14K 166960K 262 0 rtable 217 10K 11K 166960K 1117 0 pf 32 9K 10K 166960K 152 0 ifaddr 42 15K 16K 166960K 157 0 ifgroup 55 2K 2K 166960K 242 0 sysctl 4 1K 1K 166960K 10 0 counters 64 36K 37K 166960K 156 0 ioctlops 0 0K 4K 166960K 1581 0 iov 0 0K 20K 166960K 177 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1367 86K 86K 166960K 2279 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 33 0 VM map 2 1K 1K 166960K 2 0 sem 14 1K 1K 166960K 75 0 dirhash 12 2K 2K 166960K 60 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 85K 166960K 2315 0 sigio 0 0K 0K 166960K 47 0 proc 70 91K 115K 166960K 1223 0 subproc 104 6K 6K 166960K 353 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 325 0 in_multi 88 6K 7K 166960K 404 0 ether_multi 1 0K 0K 166960K 17 0 mrt 1 0K 0K 166960K 9 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 849 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 348 185K 187K 166960K 22230 0 UVM aobj 81 7K 7K 166960K 88 0 pinsyscall 39 78K 108K 166960K 3999 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 191 0 NDP 14 0K 2K 166960K 112 0 temp 77 6812K 6940K 166960K 41750 0 kqueue 12 18K 29K 166960K 303 0 SYN cache 2 8K 16K 166960K 3 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 120 239 0 236 1 0 1 1 0 8 0 rtentry 112 367 0 269 4 0 4 4 0 8 0 unpcb 144 1565 0 1548 6 4 2 2 0 8 1 syncache 336 51 0 51 5 4 1 1 0 8 1 tcpqe 32 194 0 194 6 6 0 1 0 8 0 tcpcb 808 1064 0 1033 20 10 10 11 0 8 5 arp 120 69 0 55 1 0 1 1 0 8 0 inpcb 392 2664 0 2630 27 13 14 14 0 8 9 nd6 136 83 0 62 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 27 0 19 1 0 1 1 0 8 0 ppxss 1168 8 0 8 4 3 1 1 0 8 1 pffrag 232 46 0 42 1 0 1 1 0 482 0 pffrnode 88 10 0 6 1 0 1 1 0 8 0 pffrent 40 215 0 211 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 24 148 0 91 1 0 1 1 0 8 0 pfstkey 128 149 0 92 3 0 3 3 0 8 0 pfstate 376 149 0 92 8 0 8 8 0 8 0 pfrule 1344 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 1334 0 915 38 11 27 30 0 8 0 art_table 32 1335 0 915 4 0 4 4 0 8 0 art_node 16 362 0 273 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 14 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 70 0 58 1 0 1 1 0 8 0 shmpl 112 85 0 7 3 0 3 3 0 8 0 dirhash 1024 49 0 32 3 0 3 3 0 8 0 dino2pl 256 4918 0 3390 96 0 96 96 0 8 0 ffsino 272 4918 0 3390 103 0 103 103 0 8 0 nchpl 144 8255 0 6509 67 1 66 67 0 8 0 uvmvnodes 80 5491 0 0 113 0 113 113 0 8 0 vnodes 216 5491 0 0 306 0 306 306 0 8 0 namei 1024 27042 0 27042 5 4 1 2 0 8 1 percpumem 16 92 0 46 1 0 1 1 0 8 0 vcpupl 2048 14 0 2 2 0 2 2 0 8 0 vmpool 696 20 0 8 2 0 2 2 0 8 0 kstatmem 264 116 0 92 3 0 3 3 0 8 0 scxspl 216 26507 0 26506 18 14 4 8 1 8 3 plimitpl 152 307 0 291 1 0 1 1 0 8 0 sigapl 424 2736 0 2668 12 4 8 9 0 8 0 futexpl 64 29473 0 29471 2 1 1 1 0 8 0 knotepl 120 394 0 0 11 0 11 11 0 8 0 kqueuepl 216 506 0 496 1 0 1 1 0 8 0 pipepl 320 484 0 456 6 0 6 6 0 8 2 fdescpl 496 2575 0 2547 5 0 5 5 0 8 0 filepl 152 14328 0 14074 21 4 17 17 0 8 3 lockfpl 104 463 0 460 1 0 1 1 0 8 0 lockfspl 48 189 0 186 1 0 1 1 0 8 0 sessionpl 144 43 0 26 1 0 1 1 0 8 0 pgrppl 48 67 0 50 1 0 1 1 0 8 0 ucredpl 104 2039 0 2023 1 0 1 1 0 8 0 zombiepl 144 2670 0 2668 3 2 1 1 0 8 0 processpl 1136 2736 0 2668 7 1 6 6 0 8 0 procpl 656 5194 0 5107 10 2 8 9 0 8 0 srpgc 96 24 0 24 4 3 1 1 0 8 1 sosppl 168 67 0 63 1 0 1 1 0 8 0 sockpl 584 4497 0 4442 23 11 12 12 0 8 6 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 16 0 0 2 0 2 2 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 16 0 0 2 0 2 2 0 8 0 mcl4k 4096 20 0 0 3 0 3 3 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 307 0 0 39 1 38 39 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 916 0 0 56 0 56 56 0 8 0 bufpl 280 9000 0 2745 448 0 448 448 0 8 0 anonpl 24 416087 0 409825 102 37 65 65 0 186 13 amapchunkpl 152 69518 0 68845 42 10 32 34 0 158 0 amappl16 200 10433 0 10314 66 48 18 21 0 8 8 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 218 0 205 2 1 1 2 0 8 0 amappl13 176 12 0 12 3 3 0 1 0 8 0 amappl12 168 3577 0 3545 3 1 2 2 0 8 0 amappl11 160 60 0 45 1 0 1 1 0 8 0 amappl10 152 118 0 105 1 0 1 1 0 8 0 amappl9 144 203 0 201 1 0 1 1 0 8 0 amappl8 136 434 0 324 5 0 5 5 0 8 0 amappl7 128 102 0 83 1 0 1 1 0 8 0 amappl6 120 606 0 585 2 1 1 2 0 8 0 amappl5 112 282 0 267 1 0 1 1 0 8 0 amappl4 104 763 0 721 3 1 2 3 0 8 0 amappl3 96 14036 0 13952 3 0 3 3 0 8 0 amappl2 88 3155 0 3071 4 2 2 4 0 8 0 amappl1 80 18860 0 18322 23 11 12 23 0 8 0 amappl 88 21316 0 21109 6 0 6 6 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 87 0 7 2 0 2 2 0 8 0 uaddrrnd 24 2595 0 2555 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2595 0 2555 1 0 1 1 0 8 0 vmmpekpl 168 21928 0 21850 4 0 4 4 0 8 0 vmmpepl 168 178429 0 176386 147 36 111 121 0 357 0 vmsppl 440 2594 0 2555 8 3 5 5 0 8 0 rwobjpl 56 54264 0 47448 101 4 97 97 0 8 0 pdppl 4096 5197 0 5122 190 107 83 83 0 8 8 pvpl 32 49207 0 0 398 1 397 397 0 265 0 pmappl 248 2594 0 2555 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 596 0 153 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82957fcc) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290a188,ffffffff828ac2e3,90,ffffffff8290bf50) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd8007fad240,fffffd806e38c608,6e6a88000,0) at uvm_pagealloc_pg+0x3e9 sys/uvm/uvm_page.c:695 uvm_pagealloc(fffffd806e38c608,6e6a88000,0,3) at uvm_pagealloc+0x1ed sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd806e38c5d8,dcd51019000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215 pmap_enter(fffffd806e38c5d8,dcd51019000,753fc000,1,21) at pmap_enter+0x2c6 sys/arch/amd64/amd64/pmap.c:2722 uvm_fault_lower(ffff800033f887e0,ffff800033f88818,ffff800033f88760,0) at uvm_fault_lower+0x776 sys/uvm/uvm_fault.c:1518 uvm_fault(fffffd806b54b6f8,dcd51019000,0,1) at uvm_fault+0x255 sys/uvm/uvm_fault.c:637 upageflttrap(ffff800033f88960,dcd5101904c) at upageflttrap+0x8b sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800033f88960) at usertrap+0x227 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x709a49134080, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_const_cmp4(0,1) at __sanitizer_cov_trace_const_cmp4+0x32 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_const_cmp4(0,1) at __sanitizer_cov_trace_const_cmp4+0x32 sys/dev/kcov.c:235 tsleep(fffffd807d83de38,11,ffffffff828f5b4b,0) at tsleep+0x14b sys/kern/kern_synch.c:144 biowait(fffffd807d83de38) at biowait+0x91 sys/kern/vfs_bio.c:1254 bwrite(fffffd807d83de38) at bwrite+0x1fb sys/kern/vfs_bio.c:766 ufs_dirremove(fffffd8079fe0490,fffffd806b392670,800c,1) at ufs_dirremove+0x1ed sys/ufs/ufs/ufs_lookup.c:919 ufs_rmdir(ffff80003407dc28) at ufs_rmdir+0x1e7 sys/ufs/ufs/ufs_vnops.c:1253 VOP_RMDIR(fffffd8079fe0490,fffffd807d76e6e0,ffff80003407dd08) at VOP_RMDIR+0x12a sys/kern/vfs_vops.c:407 dounlinkat(ffff80002a224560,ffffff9c,7761ab4d3800,8) at dounlinkat+0x20e sys/kern/vfs_syscalls.c:1888 syscall(ffff80003407de80) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80003407de80) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7761ab4d37f0, count: 2 ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_const_cmp4(0,1) at __sanitizer_cov_trace_const_cmp4+0x32 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_const_cmp4(0,1) at __sanitizer_cov_trace_const_cmp4+0x32 sys/dev/kcov.c:235 tsleep(fffffd807d83de38,11,ffffffff828f5b4b,0) at tsleep+0x14b sys/kern/kern_synch.c:144 biowait(fffffd807d83de38) at biowait+0x91 sys/kern/vfs_bio.c:1254 bwrite(fffffd807d83de38) at bwrite+0x1fb sys/kern/vfs_bio.c:766 ufs_dirremove(fffffd8079fe0490,fffffd806b392670,800c,1) at ufs_dirremove+0x1ed sys/ufs/ufs/ufs_lookup.c:919 ufs_rmdir(ffff80003407dc28) at ufs_rmdir+0x1e7 sys/ufs/ufs/ufs_vnops.c:1253 VOP_RMDIR(fffffd8079fe0490,fffffd807d76e6e0,ffff80003407dd08) at VOP_RMDIR+0x12a sys/kern/vfs_vops.c:407 dounlinkat(ffff80002a224560,ffffff9c,7761ab4d3800,8) at dounlinkat+0x20e sys/kern/vfs_syscalls.c:1888 syscall(ffff80003407de80) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80003407de80) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7761ab4d37f0, count: -13