panic: kernel diagnostic assertion "((flags & PGO_LOCKED) != 0 && rw_lock_held(uobj->vmobjlock)) || (flags & PGO_LOCKED) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_vnode.c", line 953 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *443521 4735 32767 0x8000010 0 1 syz-executor.3 17153 48522 32767 0x8000010 0 0 syz-executor.7 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff829554d8) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290a196,ffffffff828a954c,3b9,ffffffff8292c330) at __assert+0x29 sys/kern/subr_prf.c:157 uvn_get(fffffd806d7d9978,8000,ffff80003056dc20,ffff80003056da9c,3,1,8fa9efee9de667ba,8000) at uvn_get+0x4ca sys/uvm/uvm_vnode.c:952 uvm_fault_lower_lookup(ffff80003056dca0,ffff80003056dcd8,ffff80003056dc20) at uvm_fault_lower_lookup+0xf3 sys/uvm/uvm_fault.c:1128 uvm_fault_lower(ffff80003056dca0,ffff80003056dcd8,ffff80003056dc20,0) at uvm_fault_lower+0x62 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd806b6e2018,e68920bd000,0,1) at uvm_fault+0x255 sys/uvm/uvm_fault.c:637 upageflttrap(ffff80003056de20,e68920bd1c0) at upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003056de20) at usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7c47f277fa90, 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 cpu1: kernel diagnostic assertion "((flags & PGO_LOCKED) != 0 && rw_lock_held(uobj->vmobjlock)) || (flags & PGO_LOCKED) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_vnode.c", line 953 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff829554d8) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290a196,ffffffff828a954c,3b9,ffffffff8292c330) at __assert+0x29 sys/kern/subr_prf.c:157 uvn_get(fffffd806d7d9978,8000,ffff80003056dc20,ffff80003056da9c,3,1,8fa9efee9de667ba,8000) at uvn_get+0x4ca sys/uvm/uvm_vnode.c:952 uvm_fault_lower_lookup(ffff80003056dca0,ffff80003056dcd8,ffff80003056dc20) at uvm_fault_lower_lookup+0xf3 sys/uvm/uvm_fault.c:1128 uvm_fault_lower(ffff80003056dca0,ffff80003056dcd8,ffff80003056dc20,0) at uvm_fault_lower+0x62 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd806b6e2018,e68920bd000,0,1) at uvm_fault+0x255 sys/uvm/uvm_fault.c:637 upageflttrap(ffff80003056de20,e68920bd1c0) at upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003056de20) at usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7c47f277fa90, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003056d8c0 rbx 0xffff800029cecd77 rdx 0 rcx 0xffff80002a1567f0 rax 0xffff800029cebff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xb16d9dd0c8bb4a63 r11 0x427530c2d20dffa3 r12 0xffff800029cecb78 r13 0 r14 0xffffffff82cf0b78 cpu_info_full_primary+0x2b78 r15 0x1 rip 0xffffffff819bc1fc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80003056d8b0 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.3) tid=443521 pid=4735 tcnt=1 stat=onproc flags process=8000010 proc=0 runpri=83, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a157750,0xffff80002a1574d0 process=0xffff80002f10b9d8 user=0xffff800030568000, vmspace=0xfffffd806b6e2018 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 21645 500237 70959 32767 2 0x8000010 syz-executor.4 21645 413788 70959 32767 2 0xc000010 syz-executor.4 * 4735 443521 93214 32767 7 0x8000010 syz-executor.3 78008 164561 31161 32767 2 0x8000010 syz-executor.2 26142 148148 0 0 3 0x14200 bored sosplice 10984 211811 18535 32767 3 0x8000090 nanoslp syz-executor.1 18535 305641 36855 0 3 0x8000082 wait syz-executor.1 48522 17153 31119 32767 7 0x8000010 syz-executor.7 64411 291876 89148 32767 3 0x8000090 nanoslp syz-executor.6 83432 500050 49007 32767 3 0x8000010 biowait syz-executor.5 48957 373198 81960 32767 3 0x8000090 nanoslp syz-executor.0 49007 48122 36855 0 3 0x8000082 wait syz-executor.5 81960 202870 36855 0 3 0x8000082 wait syz-executor.0 70959 10916 36007 32767 3 0x8000090 nanoslp syz-executor.4 89148 495993 36855 0 3 0x8000082 wait syz-executor.6 31161 89384 92274 32767 3 0x8000090 nanoslp syz-executor.2 31119 415345 36855 0 3 0x8000082 wait syz-executor.7 92274 75327 36855 0 3 0x8000082 wait syz-executor.2 93214 148825 84549 32767 3 0x8000090 nanoslp syz-executor.3 36007 455449 36855 0 3 0x8000082 wait syz-executor.4 84549 111672 36855 0 3 0x8000082 wait syz-executor.3 36855 325492 13361 0 3 0x1a000082 wait syz-fuzzer 36855 140648 13361 0 3 0x1e000082 nanoslp syz-fuzzer 36855 478826 13361 0 3 0x1e000082 wait syz-fuzzer 36855 151611 13361 0 3 0x1e000082 wait syz-fuzzer 36855 404008 13361 0 3 0x1e000082 thrsleep syz-fuzzer 36855 188871 13361 0 3 0x1e000082 thrsleep syz-fuzzer 36855 94562 13361 0 3 0x1e000082 wait syz-fuzzer 36855 41633 13361 0 3 0x1e000082 wait syz-fuzzer 36855 75497 13361 0 3 0x1e000082 wait syz-fuzzer 36855 430130 13361 0 3 0x1e000082 wait syz-fuzzer 36855 506445 13361 0 3 0x1e000082 thrsleep syz-fuzzer 36855 522377 13361 0 3 0x1e000082 wait syz-fuzzer 36855 173425 13361 0 3 0x1e000082 thrsleep syz-fuzzer 36855 74086 13361 0 3 0x1e000082 thrsleep syz-fuzzer 36855 266939 13361 0 2 0x1e000002 syz-fuzzer 36855 239544 13361 0 3 0x1e000082 thrsleep syz-fuzzer 13361 230866 3533 0 3 0x810008a sigsusp ksh 3533 464933 79551 0 3 0x1800009a kqread sshd 76508 105617 1 0 3 0x18100083 ttyin getty 79551 432843 1 0 3 0x18000088 kqread sshd 74889 42338 38032 73 3 0x19100010 ffs_fsync syslogd 38032 15544 1 0 3 0x18100082 sbwait syslogd 25297 229802 1 0 3 0x18100080 kqread resolvd 60515 299376 16555 77 3 0x18100092 kqread dhcpleased 28722 382037 16555 77 3 0x18100092 kqread dhcpleased 16555 314772 1 0 3 0x18000080 kqread dhcpleased 42383 286708 0 0 3 0x14200 bored smr 10548 369113 0 0 2 0x14200 zerothread 61605 156073 0 0 3 0x14200 aiodoned aiodoned 24690 239301 0 0 3 0x14200 syncer update 61439 400584 0 0 3 0x14200 cleaner cleaner 52705 432320 0 0 3 0x14200 reaper reaper 13743 408778 0 0 3 0x14200 pgdaemon pagedaemon 43057 41744 0 0 3 0x14200 bored viomb 51929 267116 0 0 3 0x40014200 acpi0 acpi0 21593 138322 0 0 3 0x40014200 idle1 61995 220965 0 0 3 0x14200 bored softnet3 79950 46535 0 0 3 0x14200 bored softnet2 95590 268323 0 0 3 0x14200 bored softnet1 80902 208365 0 0 3 0x14200 bored softnet0 23768 288454 0 0 3 0x14200 bored systqmp 56245 420081 0 0 3 0x14200 bored systq 93286 432064 0 0 3 0x14200 tmoslp softclockmp 50730 295263 0 0 3 0x40014200 tmoslp softclock 82188 160349 0 0 3 0x40014200 idle0 1 74336 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex softnet0 r = 0 (0xffff80000002c028) #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 taskq_next_work+0x37 sys/kern/kern_task.c:403 #4 taskq_thread+0x145 sys/kern/kern_task.c:443 #5 proc_trampoline+0x10 Process 48522 (syz-executor.7) thread 0xffff8000ffff7c48 (17153) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d8b598) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x491 sys/kern/sched_bsd.c:470 #3 sleep_finish+0x19a sys/kern/kern_synch.c:417 #4 biowait+0x91 sys/kern/vfs_bio.c:1254 #5 bwrite+0x1fe sys/kern/vfs_bio.c:766 #6 ffs_update+0x27f sys/ufs/ffs/ffs_inode.c:111 #7 ufs_mkdir+0x430 sys/ufs/ufs/ufs_vnops.c:1165 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3077 #10 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #10 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8067e0f1a8) #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+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 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 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393 #9 ufs_mkdir+0xe6 sys/ufs/ufs/ufs_vnops.c:1117 #10 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #11 domkdirat+0x125 sys/kern/vfs_syscalls.c:3077 #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 exclusive rrwlock inode r = 0 (0xfffffd806acf51b0) #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+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 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 domkdirat+0x79 sys/kern/vfs_syscalls.c:3062 #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 Process 83432 (syz-executor.5) thread 0xffff80002bcb0f88 (500050) exclusive rrwlock inode r = 0 (0xfffffd8067e0fd58) #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+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 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+0x6f8 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 (0xfffffd806acf5700) #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+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 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 Process 74889 (syslogd) thread 0xffff8000ffffdc40 (42338) exclusive rrwlock inode r = 0 (0xfffffd806e5f5700) #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+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 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 sys_fsync+0xf1 sys/kern/vfs_syscalls.c:2904 #6 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #6 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10174 6407K 6419K 166960K 11255 0 pcb 17 12K 12K 166960K 17 0 rtable 236 6K 7K 166960K 414 0 pf 29 8K 8K 166960K 31 0 ifaddr 44 15K 15K 166960K 50 0 ifgroup 50 2K 2K 166960K 54 0 sysctl 4 1K 1K 166960K 4 0 counters 64 36K 36K 166960K 66 0 ioctlops 0 0K 2K 166960K 36 0 iov 0 0K 16K 166960K 23 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1377 87K 87K 166960K 1423 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 29 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 21 77K 117K 166960K 517 0 sigio 0 0K 0K 166960K 6 0 proc 56 78K 103K 166960K 521 0 subproc 104 6K 7K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 101 0 in_multi 99 7K 7K 166960K 137 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 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 409 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 266 76K 97K 166960K 6698 0 UVM aobj 22 6K 6K 166960K 27 0 pinsyscall 41 82K 106K 166960K 1633 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 37 0 NDP 11 0K 2K 166960K 30 0 temp 74 6816K 6933K 166960K 5026 0 kqueue 12 18K 28K 166960K 101 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 84 0 81 1 0 1 1 0 8 0 rtentry 112 130 0 19 4 0 4 4 0 8 0 unpcb 144 376 0 363 2 1 1 2 0 8 0 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpcb 808 195 0 190 5 3 2 2 0 8 1 arp 120 20 0 2 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 2 0 1 1 0 1 1 0 8 0 inpcb 384 489 0 479 5 2 3 3 0 8 1 nd6 136 35 0 10 1 0 1 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 555 0 100 30 1 29 30 0 8 0 art_table 32 556 0 100 4 0 4 4 0 8 0 art_node 16 129 0 28 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 8 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 23 0 13 1 0 1 1 0 8 0 shmpl 112 24 0 5 1 0 1 1 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 2154 0 637 96 0 96 96 0 8 0 ffsino 272 2154 0 637 103 0 103 103 0 8 0 nchpl 144 2945 0 1220 66 0 66 66 0 8 0 uvmvnodes 80 2280 0 0 47 0 47 47 0 8 0 vnodes 216 2280 0 0 127 0 127 127 0 8 0 namei 1024 9820 0 9819 2 1 1 2 0 8 0 percpumem 16 47 0 1 1 0 1 1 0 8 0 kstatmem 264 24 0 2 2 0 2 2 0 8 0 scxspl 216 18267 0 18265 10 9 1 8 1 8 0 plimitpl 152 116 0 91 2 1 1 2 0 8 0 sigapl 424 805 0 751 7 0 7 7 0 8 0 futexpl 64 5921 0 5921 2 1 1 1 0 8 1 knotepl 120 385 0 0 12 1 11 11 0 8 0 kqueuepl 216 143 0 135 1 0 1 1 0 8 0 pipepl 320 181 0 153 3 0 3 3 0 8 0 fdescpl 496 786 0 754 7 1 6 6 0 8 0 filepl 152 3968 0 3734 11 0 11 11 0 8 0 lockfpl 104 72 0 70 1 0 1 1 0 8 0 lockfspl 48 30 0 28 1 0 1 1 0 8 0 sessionpl 144 24 0 8 1 0 1 1 0 8 0 pgrppl 48 42 0 26 1 0 1 1 0 8 0 ucredpl 104 555 0 537 1 0 1 1 0 8 0 zombiepl 144 754 0 751 1 0 1 1 0 8 0 processpl 1136 805 0 751 6 1 5 5 0 8 0 procpl 656 1273 0 1203 9 1 8 8 0 8 0 sosppl 168 8 0 8 3 3 0 1 0 8 0 sockpl 664 964 0 940 8 4 4 5 0 8 2 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 304 0 0 38 0 38 38 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 360 0 0 20 0 20 20 0 8 0 bufpl 280 6081 0 181 422 0 422 422 0 8 0 anonpl 24 255542 0 250154 68 3 65 65 0 186 18 amapchunkpl 152 22179 0 21540 42 7 35 42 0 158 1 amappl16 200 7195 0 7091 26 7 19 19 0 8 12 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 167 0 155 2 1 1 2 0 8 0 amappl13 176 69 0 68 1 0 1 1 0 8 0 amappl12 168 1429 0 1396 2 0 2 2 0 8 0 amappl11 160 63 0 52 1 0 1 1 0 8 0 amappl10 152 46 0 36 1 0 1 1 0 8 0 amappl9 144 218 0 218 1 1 0 1 0 8 0 amappl8 136 144 0 109 2 0 2 2 0 8 0 amappl7 128 50 0 40 1 0 1 1 0 8 0 amappl6 120 328 0 313 2 1 1 2 0 8 0 amappl5 112 181 0 169 1 0 1 1 0 8 0 amappl4 104 518 0 483 2 0 2 2 0 8 0 amappl3 96 4878 0 4807 4 1 3 4 0 8 0 amappl2 88 1180 0 1107 4 2 2 4 0 8 0 amappl1 80 10688 0 10182 22 10 12 22 0 8 0 amappl 88 6124 0 5940 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 26 0 5 1 0 1 1 0 8 0 uaddrrnd 24 786 0 754 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 786 0 754 1 0 1 1 0 8 0 vmmpekpl 168 10277 0 10216 3 0 3 3 0 8 0 vmmpepl 168 69429 0 67518 117 9 108 115 0 357 14 vmsppl 440 785 0 754 5 0 5 5 0 8 0 rwobjpl 56 27212 0 23897 56 4 52 52 0 8 1 pdppl 4096 1579 0 1508 110 29 81 91 0 8 10 pvpl 32 48793 0 0 394 0 394 394 0 265 0 pmappl 248 785 0 754 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 416 0 38 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82cefff0) 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_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:158 __mp_lock(ffffffff82d8b390) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d8b390) at __mp_lock+0x133 sys/kern/kern_lock.c:147 intr_handler(ffff80003599d270,ffff80000067b300) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f strlen() at strlen+0x30 panic(ffffffff8289052a) at panic+0xc3 vsnprintf sys/kern/subr_prf.c:594 [inline] panic(ffffffff8289052a) at panic+0xc3 sys/kern/subr_prf.c:214 vop_generic_badop(ffff80003599d518) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806851a2d0,fffffd805d58a380) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd805d58a380) at bwrite+0x1d3 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd805d58a380) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80003599d790) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1165 end trace frame: 0xffff80003599d800, count: 0 ddb{0}> trace x86_ipi_db(ffffffff82cefff0) 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_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:158 __mp_lock(ffffffff82d8b390) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d8b390) at __mp_lock+0x133 sys/kern/kern_lock.c:147 intr_handler(ffff80003599d270,ffff80000067b300) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f strlen() at strlen+0x30 panic(ffffffff8289052a) at panic+0xc3 vsnprintf sys/kern/subr_prf.c:594 [inline] panic(ffffffff8289052a) at panic+0xc3 sys/kern/subr_prf.c:214 vop_generic_badop(ffff80003599d518) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806851a2d0,fffffd805d58a380) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd805d58a380) at bwrite+0x1d3 sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd805d58a380) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80003599d790) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1165 VOP_MKDIR(fffffd8069745510,ffff80003599d8f0,ffff80003599d920,ffff80003599d820) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000ffff7c48,ffffff9c,753fb263f3c0,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3077 syscall(ffff80003599daa0) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80003599daa0) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x753fb263f430, count: -18 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff829554d8) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290a196,ffffffff828a954c,3b9,ffffffff8292c330) at __assert+0x29 sys/kern/subr_prf.c:157 uvn_get(fffffd806d7d9978,8000,ffff80003056dc20,ffff80003056da9c,3,1,8fa9efee9de667ba,8000) at uvn_get+0x4ca sys/uvm/uvm_vnode.c:952 uvm_fault_lower_lookup(ffff80003056dca0,ffff80003056dcd8,ffff80003056dc20) at uvm_fault_lower_lookup+0xf3 sys/uvm/uvm_fault.c:1128 uvm_fault_lower(ffff80003056dca0,ffff80003056dcd8,ffff80003056dc20,0) at uvm_fault_lower+0x62 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd806b6e2018,e68920bd000,0,1) at uvm_fault+0x255 sys/uvm/uvm_fault.c:637 upageflttrap(ffff80003056de20,e68920bd1c0) at upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003056de20) at usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7c47f277fa90, count: 5 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff829554d8) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290a196,ffffffff828a954c,3b9,ffffffff8292c330) at __assert+0x29 sys/kern/subr_prf.c:157 uvn_get(fffffd806d7d9978,8000,ffff80003056dc20,ffff80003056da9c,3,1,8fa9efee9de667ba,8000) at uvn_get+0x4ca sys/uvm/uvm_vnode.c:952 uvm_fault_lower_lookup(ffff80003056dca0,ffff80003056dcd8,ffff80003056dc20) at uvm_fault_lower_lookup+0xf3 sys/uvm/uvm_fault.c:1128 uvm_fault_lower(ffff80003056dca0,ffff80003056dcd8,ffff80003056dc20,0) at uvm_fault_lower+0x62 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd806b6e2018,e68920bd000,0,1) at uvm_fault+0x255 sys/uvm/uvm_fault.c:637 upageflttrap(ffff80003056de20,e68920bd1c0) at upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003056de20) at usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7c47f277fa90, count: -10