ppanic: kernel diagnostic assertion "((flags & PGO_LOCKED) != 0 && rw_lock_held(uobj->vmobjlock)) || (flags & PGO_LOCKED) == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_vnode.c", line 953 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *161192 95048 0 0x8000000 0x4000000 1 syz-executor 278391 6147 0 0x8000002 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830d6246) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8308a5d0,ffffffff82fcb4e5,3b9,ffffffff830a7efa) at __assert+0x29 uvn_get(fffffd806cfb1ca0,134000,ffff80002a14aa00,ffff80002a14a87c,3,4,7ca0550fc061deaf,134000) at uvn_get+0x69b sys/uvm/uvm_vnode.c:952 uvm_fault_lower_lookup(ffff80002a14aa80,ffff80002a14aab8,ffff80002a14aa00) at uvm_fault_lower_lookup+0x10e sys/uvm/uvm_fault.c:1128 uvm_fault_lower(ffff80002a14aa80,ffff80002a14aab8,ffff80002a14aa00,0) at uvm_fault_lower+0x74 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd806c93b6f8,1fc592a000,0,4) at uvm_fault+0x301 sys/uvm/uvm_fault.c:637 upageflttrap(ffff80002a14ac00,1fc592ae10) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a14ac00) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x2223255020, count: 5 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 *cpu0: vop_generic_badop cpu1: kernel diagnostic assertion "((flags & PGO_LOCKED) != 0 && rw_lock_held(uobj->vmobjlock)) || (flags & PGO_LOCKED) == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_vnode.c", line 953 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830d6246) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8308a5d0,ffffffff82fcb4e5,3b9,ffffffff830a7efa) at __assert+0x29 uvn_get(fffffd806cfb1ca0,134000,ffff80002a14aa00,ffff80002a14a87c,3,4,7ca0550fc061deaf,134000) at uvn_get+0x69b sys/uvm/uvm_vnode.c:952 uvm_fault_lower_lookup(ffff80002a14aa80,ffff80002a14aab8,ffff80002a14aa00) at uvm_fault_lower_lookup+0x10e sys/uvm/uvm_fault.c:1128 uvm_fault_lower(ffff80002a14aa80,ffff80002a14aab8,ffff80002a14aa00,0) at uvm_fault_lower+0x74 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd806c93b6f8,1fc592a000,0,4) at uvm_fault+0x301 sys/uvm/uvm_fault.c:637 upageflttrap(ffff80002a14ac00,1fc592ae10) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a14ac00) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x2223255020, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a14a6a0 rbx 0xffff800029b7cd87 rdx 0 rcx 0xffff8000ffff76e8 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x1fac8b3874b844a0 r11 0xd6226b265d2ec410 r12 0xffff800029b7cb88 r13 0 r14 0xffffffff834c8b88 cpu_info_full_primary+0x2b88 r15 0x1 rip 0xffffffff829d7925 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a14a690 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=161192 pid=95048 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff6a40,0xffffffff835e2338 process=0xffff8000371cf620 user=0xffff80002a145000, vmspace=0xfffffd806c93b6f8 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 95048 53128 85642 0 2 0x8000000 syz-executor *95048 161192 85642 0 7 0xc000000 syz-executor 96886 253617 7341 0 2 0x8100002 sh 36513 42533 10579 0 2 0x8000000 syz-executor 36513 450352 10579 0 3 0xc000080 fsleep syz-executor 36513 390612 10579 0 3 0xc000080 fsleep syz-executor 83249 254004 18580 0 2 0x8000000 syz-executor 83249 316989 18580 0 3 0xc000080 fsleep syz-executor 88709 91276 33488 0 3 0x8000090 nanoslp syz-executor 88709 21079 33488 0 3 0xc000090 msgwait syz-executor 88709 421752 33488 0 3 0xc000090 fsleep syz-executor 93682 143386 97607 0 3 0x8000002 biowait syz-executor 7341 400519 97607 0 3 0x8000082 wait syz-executor 10579 311530 97607 0 3 0x8000082 nanoslp syz-executor 85642 327631 97607 0 3 0x8000082 nanoslp syz-executor 18580 516922 97607 0 3 0x8000082 nanoslp syz-executor 33488 454437 97607 0 3 0x8000082 nanoslp syz-executor 6325 8183 97607 0 3 0x8000002 biowait syz-executor 6147 278391 97607 0 7 0x8000002 syz-executor 20498 500319 0 0 3 0x14200 bored sosplice 97607 11814 19550 0 2 0x8000002 syz-executor 19550 447274 89174 0 3 0x810008a sigsusp ksh 89174 129114 73803 0 3 0x18000098 kqread sshd-session 73803 236210 90241 0 3 0x18000092 kqread sshd-session 6579 250146 1 0 3 0x18100083 ttyin getty 90241 395864 1 0 3 0x18000088 kqread sshd 13404 231068 42330 74 3 0x19100092 bpf pflogd 42330 37672 1 0 3 0x18000080 sbwait pflogd 51723 444618 35556 73 3 0x19100010 ffs_fsync syslogd 35556 349892 1 0 3 0x18100082 sbwait syslogd 59210 233457 1 0 3 0x18100080 kqread resolvd 9557 160697 76045 77 3 0x18100092 kqread dhcpleased 77207 499402 76045 77 3 0x18100092 kqread dhcpleased 76045 509021 1 0 3 0x18000080 kqread dhcpleased 43944 49699 0 0 3 0x14200 bored smr 19913 523421 0 0 2 0x14200 zerothread 13654 524021 0 0 3 0x14200 aiodoned aiodoned 80668 467872 0 0 3 0x14200 syncer update 65666 246965 0 0 3 0x14200 cleaner cleaner 54507 355665 0 0 3 0x14200 reaper reaper 60992 84560 0 0 3 0x14200 pgdaemon pagedaemon 25906 114003 0 0 3 0x14200 bored viomb 3931 107870 0 0 3 0x40014200 acpi0 acpi0 56638 122881 0 0 3 0x40014200 idle1 10030 61295 0 0 3 0x14200 bored softnet3 47068 38226 0 0 3 0x14200 bored softnet2 85247 93077 0 0 3 0x14200 bored softnet1 44007 162547 0 0 3 0x14200 bored softnet0 49829 277246 0 0 3 0x14200 bored systqmp 24574 259035 0 0 3 0x14200 bored systq 13416 243649 0 0 3 0x14200 tmoslp softclockmp 13003 181175 0 0 3 0x40014200 tmoslp softclock 67595 137452 0 0 3 0x40014200 idle0 1 165015 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 95048 (syz-executor) thread 0xffff8000ffff76e8 (161192) exclusive rwlock amaplk r = 0 (0xfffffd8069f5bac8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 uvm_fault_check+0x521 sys/uvm/uvm_fault.c:782 #2 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #4 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806c93b7e8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 Process 93682 (syz-executor) thread 0xffff8000ffff6530 (143386) exclusive rrwlock inode r = 0 (0xfffffd8073d9f4d8) #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 (0xfffffd8073d9ff78) #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 6325 (syz-executor) thread 0xffff8000ffff6f50 (8183) exclusive rrwlock inode r = 0 (0xfffffd8073d9fc48) #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:3100 #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 (0xfffffd8063ce35f8) #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:3085 #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 6147 (syz-executor) thread 0xffff8000ffff7460 (278391) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835481a8) #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+0x229 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 ffs_update+0x34c sys/ufs/ffs/ffs_inode.c:111 #7 ufs_mkdir+0x55a sys/ufs/ufs/ufs_vnops.c:1160 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3100 #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 (0xfffffd8073d9f2b8) #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_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #10 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #11 domkdirat+0x179 sys/kern/vfs_syscalls.c:3100 #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 (0xfffffd8063ce3818) #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:3085 #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 51723 (syslogd) thread 0xffff8000ffffd960 (444618) exclusive rrwlock inode r = 0 (0xfffffd806e4aa5f0) #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 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2927 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10193 10162K 10548K 166960K 11880 0 pcb 18 12K 12K 166960K 57 0 rtable 203 6K 7K 166960K 864 0 pf 32 9K 10K 166960K 78 0 ifaddr 42 14K 15K 166960K 112 0 ifgroup 55 2K 2K 166960K 124 0 counters 64 36K 36K 166960K 98 0 ioctlops 0 0K 4K 166960K 1503 0 iov 0 0K 12K 166960K 12 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1397 88K 88K 166960K 1833 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 38 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 93K 166960K 540 0 sigio 0 0K 0K 166960K 1 0 proc 71 91K 128K 166960K 993 0 subproc 104 6K 6K 166960K 312 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 39 0 in_multi 86 6K 7K 166960K 278 0 ether_multi 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 595 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 211 72K 91K 166960K 5748 0 UVM aobj 12 2K 2K 166960K 12 0 pinsyscall 40 80K 105K 166960K 2013 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 14 0 NDP 16 0K 2K 166960K 75 0 temp 52 6806K 6872K 166960K 23569 0 kqueue 13 20K 26K 166960K 58 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 140 0 137 3 2 1 3 0 8 0 rtentry 112 283 0 190 4 0 4 4 0 8 0 unpcb 144 209 0 189 3 2 1 2 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 109 0 104 5 3 2 5 0 8 1 arp 120 49 0 32 1 0 1 1 0 8 0 inpcb 384 377 0 367 6 4 2 5 0 8 0 nd6 136 72 0 50 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 24 0 16 1 0 1 1 0 8 0 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 3 0 1 2 1 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 38 0 17 1 0 1 1 0 8 0 pfstkey 128 38 0 17 1 0 1 1 0 8 0 pfstate 376 38 0 17 3 0 3 3 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 rttmr 136 1 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 1125 0 749 29 1 28 29 0 8 4 art_table 32 1126 0 749 4 0 4 4 0 8 0 art_node 16 282 0 198 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 36 0 26 1 0 1 1 0 8 0 shmpl 112 9 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1919 0 386 97 0 97 97 0 8 0 ffsino 272 1919 0 386 103 0 103 103 0 8 0 nchpl 144 2385 0 687 64 0 64 64 0 8 0 uvmvnodes 80 2426 0 0 50 0 50 50 0 8 0 vnodes 216 2426 0 0 135 0 135 135 0 8 0 namei 1024 9520 0 9518 2 1 1 2 0 8 0 percpumem 16 63 0 17 1 0 1 1 0 8 0 kstatmem 264 58 0 34 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 12707 0 12704 10 2 8 8 1 8 7 plimitpl 152 152 0 134 1 0 1 1 0 8 0 sigapl 424 807 0 759 8 2 6 7 0 8 0 futexpl 64 3586 0 3582 1 0 1 1 0 8 0 knotepl 120 281 0 0 9 0 9 9 0 8 0 kqueuepl 216 84 0 75 2 1 1 2 0 8 0 pipepl 320 201 0 174 5 2 3 5 0 8 0 fdescpl 496 788 0 759 6 1 5 5 0 8 0 filepl 152 3811 0 3563 15 3 12 14 0 8 1 lockfpl 104 77 0 75 1 0 1 1 0 8 0 lockfspl 48 29 0 27 1 0 1 1 0 8 0 sessionpl 144 38 0 29 1 0 1 1 0 8 0 pgrppl 48 68 0 51 1 0 1 1 0 8 0 ucredpl 104 376 0 361 1 0 1 1 0 8 0 zombiepl 144 759 0 759 1 0 1 1 0 8 1 processpl 1152 807 0 759 5 1 4 5 0 8 0 procpl 648 1132 0 1078 7 1 6 6 0 8 0 sosppl 168 2 0 2 1 1 0 1 0 8 0 sockpl 664 732 0 699 9 5 4 8 0 8 1 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 239 0 0 30 0 30 30 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 384 0 0 23 0 23 23 0 8 0 bufpl 280 5514 0 100 387 0 387 387 0 8 0 anonpl 24 187701 0 184458 56 3 53 53 0 185 28 amapchunkpl 152 18334 0 17920 32 1 31 32 0 158 12 amappl16 200 4270 0 4256 10 5 5 5 0 8 4 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 147 0 135 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 1680 0 1651 4 2 2 3 0 8 0 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 11 0 10 1 0 1 1 0 8 0 amappl9 144 140 0 140 1 1 0 1 0 8 0 amappl8 136 29 0 27 1 0 1 1 0 8 0 amappl7 128 141 0 129 1 0 1 1 0 8 0 amappl6 120 319 0 317 1 0 1 1 0 8 0 amappl5 112 196 0 185 1 0 1 1 0 8 0 amappl4 104 392 0 372 1 0 1 1 0 8 0 amappl3 96 3434 0 3338 4 0 4 4 0 8 1 amappl2 88 833 0 769 2 0 2 2 0 8 0 amappl1 80 9796 0 9223 15 2 13 14 0 8 0 amappl 88 5266 0 5117 5 0 5 5 0 92 1 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 11 0 0 1 0 1 1 0 8 0 uaddrrnd 24 788 0 759 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 788 0 759 1 0 1 1 0 8 0 vmmpekpl 168 8580 0 8524 3 0 3 3 0 8 0 vmmpepl 168 56713 0 54988 90 5 85 88 0 357 2 vmsppl 440 787 0 759 6 2 4 5 0 8 0 rwobjpl 56 22536 0 19196 48 0 48 48 0 8 0 pdppl 4096 1583 0 1518 123 48 75 85 0 8 10 pvpl 32 27379 0 0 223 2 221 221 0 265 0 pmappl 248 787 0 759 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 423 0 56 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834c7ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:154 intr_handler(ffff800033997410,ffff80000006bc00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d cnputc(70) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(70) at db_putchar+0x65c sys/ddb/db_output.c:155 kprintf() at kprintf+0x843 db_printf(ffffffff830756bc) at db_printf+0x9b panic(ffffffff83010329) at panic+0x103 sys/kern/subr_prf.c:216 vop_generic_badop(ffff800033997838) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd8073e127b8,fffffd80788b3270) at VOP_STRATEGY+0xcc sys/kern/vfs_vops.c:634 end trace frame: 0xffff8000339978d0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff834c7ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:154 intr_handler(ffff800033997410,ffff80000006bc00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d cnputc(70) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(70) at db_putchar+0x65c sys/ddb/db_output.c:155 kprintf() at kprintf+0x843 db_printf(ffffffff830756bc) at db_printf+0x9b panic(ffffffff83010329) at panic+0x103 sys/kern/subr_prf.c:216 vop_generic_badop(ffff800033997838) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd8073e127b8,fffffd80788b3270) at VOP_STRATEGY+0xcc sys/kern/vfs_vops.c:634 bwrite(fffffd80788b3270) at bwrite+0x293 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd80788b3270) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:646 ufs_mkdir(ffff800033997ab0) at ufs_mkdir+0x581 sys/ufs/ufs/ufs_vnops.c:1160 VOP_MKDIR(fffffd805a148a60,ffff800033997c10,ffff800033997c40,ffff800033997b40) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff8000ffff7460,ffffff9c,78f25625fd40,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3100 syscall(ffff800033997dc0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800033997dc0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78f25625fde0, count: -21 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:437 panic(ffffffff830d6246) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8308a5d0,ffffffff82fcb4e5,3b9,ffffffff830a7efa) at __assert+0x29 uvn_get(fffffd806cfb1ca0,134000,ffff80002a14aa00,ffff80002a14a87c,3,4,7ca0550fc061deaf,134000) at uvn_get+0x69b sys/uvm/uvm_vnode.c:952 uvm_fault_lower_lookup(ffff80002a14aa80,ffff80002a14aab8,ffff80002a14aa00) at uvm_fault_lower_lookup+0x10e sys/uvm/uvm_fault.c:1128 uvm_fault_lower(ffff80002a14aa80,ffff80002a14aab8,ffff80002a14aa00,0) at uvm_fault_lower+0x74 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd806c93b6f8,1fc592a000,0,4) at uvm_fault+0x301 sys/uvm/uvm_fault.c:637 upageflttrap(ffff80002a14ac00,1fc592ae10) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a14ac00) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x2223255020, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830d6246) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8308a5d0,ffffffff82fcb4e5,3b9,ffffffff830a7efa) at __assert+0x29 uvn_get(fffffd806cfb1ca0,134000,ffff80002a14aa00,ffff80002a14a87c,3,4,7ca0550fc061deaf,134000) at uvn_get+0x69b sys/uvm/uvm_vnode.c:952 uvm_fault_lower_lookup(ffff80002a14aa80,ffff80002a14aab8,ffff80002a14aa00) at uvm_fault_lower_lookup+0x10e sys/uvm/uvm_fault.c:1128 uvm_fault_lower(ffff80002a14aa80,ffff80002a14aab8,ffff80002a14aa00,0) at uvm_fault_lower+0x74 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd806c93b6f8,1fc592a000,0,4) at uvm_fault+0x301 sys/uvm/uvm_fault.c:637 upageflttrap(ffff80002a14ac00,1fc592ae10) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a14ac00) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x2223255020, count: -10