panic: Caught invalid memory access at ffff800001b567ba size 2 op 0 Stopped at db_enter+0x17: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND 164740 22618 -1 0x10 0 1 syz-executor * 82883 68162 0 0 0x4000000 0K syz-executor db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff8463c64f) at panic+0x270 sys/kern/subr_prf.c:198 __asan_load2_noabort(ffff800001b567ba) at __asan_load2_noabort+0x107 knote_processfork(ffffffff85d370e0,de1f) at knote_processfork+0x603 sys/kern/kern_event.c:2289 fork1(ffffffff85d36d80,f0,ffffffff830a12e0,0,0,ffff800030ed7580) at fork1+0x1225 sys/kern/kern_fork.c:511 kthread_create(ffffffff830a12e0,0,0,ffffffff84b844a0) at kthread_create+0xa8 sys/kern/kern_kthread.c:61 nfs_getset_niothreads(1) at nfs_getset_niothreads+0xe7 sys/nfs/nfs_syscalls.c:702 nfs_sysctl(ffff800030ed7788,1,0,ffff800030ed7760,200000000200,0,ffff800030ed79e0) at nfs_sysctl+0x102 sys/nfs/nfs_vfsops.c:894 sys_sysctl(ffff80003bbd0a88,ffff800030ed79e0,ffff800030ed7940) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff800030ed79e0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800030ed79e0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb0244867670, count: 4 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: Caught invalid memory access at ffff800001b567ba size 2 op 0 ddb{0}> show kasan KASAN: invalid read of 2 bytes at 0xffff800001b567ba from pc 0xffffffff8302df13 KASAN: first bad byte at 0xffff800001b567ba (+0); shadow 0xfd: pool use-after-free (or unallocated item) KASAN: 0xffff800001b567ba is 50 bytes inside the 120-byte item [0xffff800001b56788..0xffff800001b56800) in pool 'knotepl' KASAN: allocated at: #0 pool_get+0x770 sys/kern/subr_pool.c:834 #1 kqueue_register+0x2f2 sys/kern/kern_event.c:1431 #2 sys_kevent+0x409 sys/kern/kern_event.c:1301 #3 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #4 Xsyscall+0x128 KASAN: freed at: #0 pool_put+0x79 sys/kern/subr_pool.c:1019 #1 kqueue_scan+0x1191 sys/kern/kern_event.c:1797 #2 sys_kevent+0x997 sys/kern/kern_event.c:1336 #3 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #4 Xsyscall+0x128 KASAN: pc: knote_processfork+0x603 KASAN: call trace: #0 __asan_load2_noabort+0xe6 kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline] #0 __asan_load2_noabort+0xe6 sys/kern/subr_kasan.c:1097 #1 knote_processfork+0x603 sys/kern/kern_event.c:2289 #2 fork1+0x1225 sys/kern/kern_fork.c:511 #3 kthread_create+0xa8 sys/kern/kern_kthread.c:61 #4 nfs_getset_niothreads+0xe7 sys/nfs/nfs_syscalls.c:702 #5 nfs_sysctl+0x102 sys/nfs/nfs_vfsops.c:894 #6 sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 #7 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #8 Xsyscall+0x128 KASAN: shadow of 0xffff800001b56680..0xffff800001b56900 (1 cell = 8 bytes): 0xffff800001b56680: 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 0xffff800001b56700: 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 >0xffff800001b56780: 08 fd fd fd fd fd fd[fd]fd fd fd fd fd fd fd fd 0xffff800001b56800: 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 0xffff800001b56880: 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 KASAN: legend: 00 valid; 01..07 partial; fb malloc redzone; fc malloc freed; fd pool freed; fe kmem; fa global; f1..f4/f8 stack/scope ddb{0}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff8463c64f) at panic+0x270 sys/kern/subr_prf.c:198 __asan_load2_noabort(ffff800001b567ba) at __asan_load2_noabort+0x107 knote_processfork(ffffffff85d370e0,de1f) at knote_processfork+0x603 sys/kern/kern_event.c:2289 fork1(ffffffff85d36d80,f0,ffffffff830a12e0,0,0,ffff800030ed7580) at fork1+0x1225 sys/kern/kern_fork.c:511 kthread_create(ffffffff830a12e0,0,0,ffffffff84b844a0) at kthread_create+0xa8 sys/kern/kern_kthread.c:61 nfs_getset_niothreads(1) at nfs_getset_niothreads+0xe7 sys/nfs/nfs_syscalls.c:702 nfs_sysctl(ffff800030ed7788,1,0,ffff800030ed7760,200000000200,0,ffff800030ed79e0) at nfs_sysctl+0x102 sys/nfs/nfs_vfsops.c:894 sys_sysctl(ffff80003bbd0a88,ffff800030ed79e0,ffff800030ed7940) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff800030ed79e0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800030ed79e0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb0244867670, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800030ed7130 rbx 0xffff800030ed71a0 rdx 0 rcx 0xffffffff84f15ff0 cpu_info_full_primary+0x1ff0 rax 0xffff80000016a580 r8 0x101010101010101 r9 0x8080808080808080 r10 0xffff800030ed6f18 r11 0xffffffff8237d880 x86_bus_space_io_read_1 r12 0xffffffff8463c64f .str.26+0x9a28f r13 0xffffffff84f16c10 cpu_info_full_primary+0x2c10 r14 0xffffffff84f16e0f cpu_info_full_primary+0x2e0f r15 0x1 rip 0xffffffff8389f5d7 db_enter+0x17 cs 0x8 rflags 0x246 rsp 0xffff800030ed7130 ss 0x10 db_enter+0x17: popq %rbp ddb{0}> show proc PROC (syz-executor) tid=82883 pid=68162 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=80, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003bbd0558,0xffff80003bbd0800 process=0xffff80003bb6e1d0 user=0xffff800030ecc000, vmspace=0xffff800001c8db90 estcpu=30, cpticks=27, pctcpu=0.0, user=0, sys=27, intr=0 ddb{0}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 56863 515277 0 0 2 0x14000 0x200 swapper 22618 164740 33978 -1 7 0x10 0 syz-executor 22618 54014 33978 -1 3 0x10 0x4000080 fsleep syz-executor 60384 403591 68214 0 2 0x2 0 ndp 28093 171525 86533 0 2 0x100002 0 sh 68214 27935 45572 0 3 0x100002 0x88 sigsusp sh 68162 545 29705 0 2 0 0 syz-executor 68162 119414 29705 0 3 0 0x4000080 fsleep syz-executor 68162 194221 29705 0 3 0 0x4000080 kqread syz-executor *68162 82883 29705 0 7 0 0x4000000 syz-executor 45572 131576 57544 0 3 0x2 0x80 wait syz-executor 37795 182544 57544 0 2 0x2 0 syz-executor 86533 504619 57544 0 3 0x2 0x80 wait syz-executor 57472 79622 57544 0 2 0x2 0 syz-executor 75180 124341 57544 0 2 0x2 0 syz-executor 33978 228389 57544 0 2 0x2 0xc80 syz-executor 29705 33555 57544 0 2 0x2 0xc80 syz-executor 57544 268277 91978 0 3 0x2 0x80 wait syz-executor 91978 430217 34827 0 3 0x100002 0x88 sigsusp ksh 34827 222552 44893 0 3 0x10 0x88 kqread sshd-session 44893 86081 69848 0 3 0x12 0x80 kqread sshd-session 689 398180 1 0 3 0x100003 0x80 ttyin getty 69848 309054 1 0 3 0 0x88 kqread sshd 26469 175576 50432 74 2 0x1100012 0x80 pflogd 50432 82898 1 0 3 0 0x80 sbwait pflogd 74966 102364 89669 73 2 0x1100010 0x80 syslogd 89669 510849 1 0 3 0x100002 0x80 sbwait syslogd 34239 41554 1 0 3 0x100000 0x80 kqread resolvd 68347 400481 54039 77 3 0x100012 0x80 kqread dhcpleased 78907 165252 54039 77 3 0x100012 0x80 kqread dhcpleased 54039 28967 1 0 3 0 0x80 kqread dhcpleased 37381 274986 0 0 2 0x14000 0x200 smr 11194 396563 0 0 2 0x14000 0x200 zerothread 18438 307671 0 0 3 0x14000 0x200 aiodoned aiodoned 72308 334365 0 0 3 0x14000 0x200 syncer update 19394 91665 0 0 3 0x14000 0x200 cleaner cleaner 28245 305391 0 0 3 0x14000 0x200 reaper reaper 80016 108682 0 0 3 0x14000 0x200 pgdaemon pagedaemon 42721 507228 0 0 3 0x14000 0x200 bored viomb 36788 370152 0 0 3 0x14000 0x40000200 acpi0 acpi0 64484 176106 0 0 3 0x14000 0x40000200 idle1 94597 353636 0 0 3 0x14000 0x200 bored softnet1 18217 42939 0 0 2 0x14000 0x200 softnet0 40103 407517 0 0 3 0x14000 0x200 bored systqmp 19260 278389 0 0 3 0x14000 0x200 bored systq 81738 492384 0 0 2 0x14000 0x200 softclockmp 89287 427558 0 0 2 0x14000 0x40000200 softclock 72450 335051 0 0 3 0x14000 0x40000200 idle0 1 428204 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{0}> show all locks Process 22618 (syz-executor) thread 0xffff80003bbd1780 (164740) exclusive rwlock uobjlk r = 0 (0xffff800001bc02a8) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 uvm_fault+0x333 sys/uvm/uvm_fault.c:649 #3 upageflttrap+0xe0 sys/arch/amd64/amd64/trap.c:194 #4 usertrap+0x4f9 sys/arch/amd64/amd64/trap.c:648 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xffff800001c4ce70) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x55d sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x1a2 sys/uvm/uvm_fault.c:-1 #3 uvm_fault_check+0x43 sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x1e7 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xe0 sys/arch/amd64/amd64/trap.c:194 #6 usertrap+0x4f9 sys/arch/amd64/amd64/trap.c:648 #7 recall_trap+0x8 Process 68162 (syz-executor) thread 0xffff80003bbd0a88 (82883) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff85cda380) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 sysctl_vslock+0x72 sys/kern/kern_sysctl.c:197 #2 sys_sysctl+0x460 sys/kern/kern_sysctl.c:304 #3 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #4 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff85073238) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 sysctl_vslock+0x37 sys/kern/kern_sysctl.c:192 #3 sys_sysctl+0x460 sys/kern/kern_sysctl.c:304 #4 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #5 Xsyscall+0x128 Process 37795 (syz-executor) thread 0xffff8000298f3770 (182544) exclusive rrwlock inode r = 0 (0xffff800001c69218) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0xda sys/ufs/ufs/ufs_ihash.c:146 #5 ffs_vget+0x2e9 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x576 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x25d sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x1a8 sys/kern/vfs_vops.c:394 #9 domkdirat+0x1f9 sys/kern/vfs_syscalls.c:3063 #10 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xffff800001c076b0) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 vn_lock+0xca sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x1f7 sys/kern/vfs_lookup.c:431 #6 namei+0xe19 sys/kern/vfs_lookup.c:250 #7 domkdirat+0xe1 sys/kern/vfs_syscalls.c:3048 #8 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #9 Xsyscall+0x128 Process 57472 (syz-executor) thread 0xffff8000298f4540 (79622) exclusive rrwlock inode r = 0 (0xffff800001c69a30) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0xda sys/ufs/ufs/ufs_ihash.c:146 #5 ffs_vget+0x2e9 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x576 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x25d sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x1a8 sys/kern/vfs_vops.c:394 #9 domkdirat+0x1f9 sys/kern/vfs_syscalls.c:3063 #10 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xffff800001c077d8) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 vn_lock+0xca sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x1f7 sys/kern/vfs_lookup.c:431 #6 namei+0xe19 sys/kern/vfs_lookup.c:250 #7 domkdirat+0xe1 sys/kern/vfs_syscalls.c:3048 #8 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #9 Xsyscall+0x128 Process 75180 (syz-executor) thread 0xffff8000298f4010 (124341) exclusive rrwlock inode r = 0 (0xffff800001c69340) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0xda sys/ufs/ufs/ufs_ihash.c:146 #5 ffs_vget+0x2e9 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x576 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x25d sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x1a8 sys/kern/vfs_vops.c:394 #9 domkdirat+0x1f9 sys/kern/vfs_syscalls.c:3063 #10 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xffff800001b94d98) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 vn_lock+0xca sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x1f7 sys/kern/vfs_lookup.c:431 #6 namei+0xe19 sys/kern/vfs_lookup.c:250 #7 domkdirat+0xe1 sys/kern/vfs_syscalls.c:3048 #8 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11053 12243K 12252K 166960K 12146 0 pcb 17 24K 24K 166960K 17 0 rtable 235 12K 13K 166960K 341 0 pf 34 22K 22K 166960K 45 0 ifaddr 43 12K 12K 166960K 45 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 3 1K 13K 166960K 7 0 counters 70 42K 42K 166960K 70 0 ioctlops 0 0K 4K 166960K 1483 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1291 83K 83K 166960K 1363 0 UFS quota 1 36K 36K 166960K 1 0 UFS mount 5 44K 44K 166960K 5 0 shm 2 2K 2K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 97K 166960K 136 0 sigio 0 0K 0K 166960K 1 0 proc 70 128K 177K 166960K 552 0 subproc 72 9K 9K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 20K 20K 166960K 1 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 37 263K 263K 166960K 37 0 exec 0 0K 2K 166960K 382 0 fusefs mount 1 36K 36K 166960K 1 0 tdb 3 1K 1K 166960K 3 0 VM swap 14 124K 124K 166960K 15 0 UVM amap 202 259K 276K 166960K 3133 0 UVM aobj 3 4K 4K 166960K 3 0 pinsyscall 1065 1712K 1728K 166960K 1292 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 28 2K 2K 166960K 28 0 temp 35 9162K 9172K 166960K 3883 0 kqueue 15 45K 45K 166960K 28 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 31 0 28 1 0 1 1 0 8 0 rtentry 176 110 0 1 5 0 5 5 0 8 0 unpcb 144 44 0 26 1 0 1 1 0 8 0 syncache 336 4 0 4 2 1 1 1 0 8 1 tcpcb 736 10 0 6 1 0 1 1 0 8 0 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 72 0 64 2 0 2 2 0 8 1 nd6 152 23 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 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 29 0 0 1 0 1 1 0 8 0 pfstkey 128 29 0 0 1 0 1 1 0 8 0 pfstate 448 29 0 0 4 0 4 4 0 8 0 pfrule 1360 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 256 452 0 0 29 0 29 29 0 8 0 art_table 40 453 0 0 5 0 5 5 0 8 0 art_node 32 110 0 11 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1570 0 103 92 0 92 92 0 8 0 ffsino 296 1570 0 103 113 0 113 113 0 8 0 nchpl 144 1770 0 72 64 0 64 64 0 8 0 vnodes 216 1657 0 0 93 0 93 93 0 8 0 namei 1024 6158 0 6155 2 1 1 2 0 8 0 percpumem 16 51 0 0 1 0 1 1 0 8 0 kstatmem 264 27 0 0 2 0 2 2 0 8 0 scxspl 216 6600 0 6600 2 1 1 2 1 8 1 plimitpl 152 29 0 12 1 0 1 1 0 8 0 sigapl 424 455 0 409 7 0 7 7 0 8 1 knotepl 120 57 0 0 2 0 2 2 0 8 0 kqueuepl 224 27 0 15 1 0 1 1 0 8 0 pipepl 344 126 0 99 3 0 3 3 0 8 0 fdescpl 528 438 0 409 3 0 3 3 0 8 0 filepl 160 1587 0 1371 10 0 10 10 0 8 0 lockfpl 104 8 0 6 1 0 1 1 0 8 0 lockfspl 48 5 0 3 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 33 0 16 1 0 1 1 0 8 0 ucredpl 104 94 0 80 1 0 1 1 0 8 0 zombiepl 144 410 0 409 1 0 1 1 0 8 0 processpl 1232 455 0 409 5 0 5 5 0 8 0 procpl 664 473 0 423 6 0 6 6 0 8 0 sockpl 752 147 0 118 4 0 4 4 0 8 0 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 120 0 0 15 0 15 15 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mextrefs 64 18 0 0 1 0 1 1 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 198 0 0 13 0 13 13 0 8 0 bufpl 272 2300 0 106 147 0 147 147 0 8 0 anonpl 32 3907 0 0 32 0 32 32 0 222 0 amapchunkpl 152 8511 0 8153 18 0 18 18 0 158 0 amappl16 200 2014 0 2003 5 0 5 5 0 8 4 amappl15 192 9 0 9 1 0 1 1 0 8 1 amappl14 184 432 0 428 1 0 1 1 0 8 0 amappl13 176 125 0 112 1 0 1 1 0 8 0 amappl12 168 684 0 657 2 0 2 2 0 8 0 amappl11 160 10 0 10 2 2 0 1 0 8 0 amappl10 152 66 0 51 1 0 1 1 0 8 0 amappl9 144 273 0 273 1 1 0 1 0 8 0 amappl8 136 110 0 109 1 0 1 1 0 8 0 amappl7 128 145 0 131 1 0 1 1 0 8 0 amappl6 120 155 0 152 1 0 1 1 0 8 0 amappl5 112 109 0 98 1 0 1 1 0 8 0 amappl4 104 294 0 275 1 0 1 1 0 8 0 amappl3 96 1453 0 1380 3 0 3 3 0 8 0 amappl2 88 556 0 484 2 0 2 2 0 8 0 amappl1 80 10379 0 9761 16 0 16 16 0 8 1 amappl 88 2418 0 2292 4 0 4 4 0 92 0 uvmvnodes 80 98 0 0 2 0 2 2 0 8 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 438 0 409 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 438 0 409 1 0 1 1 0 8 0 vmmpekpl 168 5592 0 5553 2 0 2 2 0 8 0 vmmpepl 168 38126 0 36407 90 0 90 90 0 357 5 vmsppl 488 437 0 409 5 0 5 5 0 8 0 rwobjpl 80 14713 0 13705 25 0 25 25 0 8 1 pdppl 4096 884 0 818 102 14 88 88 0 8 22 pvpl 32 9686 0 0 79 0 79 79 0 265 0 pmappl 256 437 0 409 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 120 424 0 19 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff8463c64f) at panic+0x270 sys/kern/subr_prf.c:198 __asan_load2_noabort(ffff800001b567ba) at __asan_load2_noabort+0x107 knote_processfork(ffffffff85d370e0,de1f) at knote_processfork+0x603 sys/kern/kern_event.c:2289 fork1(ffffffff85d36d80,f0,ffffffff830a12e0,0,0,ffff800030ed7580) at fork1+0x1225 sys/kern/kern_fork.c:511 kthread_create(ffffffff830a12e0,0,0,ffffffff84b844a0) at kthread_create+0xa8 sys/kern/kern_kthread.c:61 nfs_getset_niothreads(1) at nfs_getset_niothreads+0xe7 sys/nfs/nfs_syscalls.c:702 nfs_sysctl(ffff800030ed7788,1,0,ffff800030ed7760,200000000200,0,ffff800030ed79e0) at nfs_sysctl+0x102 sys/nfs/nfs_vfsops.c:894 sys_sysctl(ffff80003bbd0a88,ffff800030ed79e0,ffff800030ed7940) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff800030ed79e0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800030ed79e0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb0244867670, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x19: leave x86_ipi_db(ffff800028fe3ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff85cd9b80) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff85cd9b80) at __mp_lock+0x272 sys/kern/kern_lock.c:173 uvm_fault(ffff800001c4cd70,26ee8286000,0,1) at uvm_fault+0x338 sys/uvm/uvm_fault.c:650 upageflttrap(ffff800030ee32a0,26ee8286000) at upageflttrap+0xe0 sys/arch/amd64/amd64/trap.c:194 usertrap(ffff800030ee32a0) at usertrap+0x4f9 sys/arch/amd64/amd64/trap.c:648 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x771225fa13c0, count: 7 ddb{1}> trace x86_ipi_db(ffff800028fe3ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff85cd9b80) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff85cd9b80) at __mp_lock+0x272 sys/kern/kern_lock.c:173 uvm_fault(ffff800001c4cd70,26ee8286000,0,1) at uvm_fault+0x338 sys/uvm/uvm_fault.c:650 upageflttrap(ffff800030ee32a0,26ee8286000) at upageflttrap+0xe0 sys/arch/amd64/amd64/trap.c:194 usertrap(ffff800030ee32a0) at usertrap+0x4f9 sys/arch/amd64/amd64/trap.c:648 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x771225fa13c0, count: -8