panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *153476 47971 0 0x8000000 0 0 syz-executor1327327047 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828e6703) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e18a50,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e18a50,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e18848) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82e18848) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82e18848) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff80002a27d300,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f pool_do_get(ffffffff82db28c0,9,ffff80002a27d4a8) at pool_do_get+0xba sys/kern/subr_pool.c:723 pool_get(ffffffff82db28c0,9) at pool_get+0xf0 sys/kern/subr_pool.c:582 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002a3373d0,ffff80002a1bef78) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 vm_create(ffff800000da8c00,ffff80002a1bef78) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000da8c00,1,ffff80002a1bef78) at vmmioctl+0x2de VOP_IOCTL(fffffd806e1facb0,c2585601,ffff800000da8c00,1,fffffd807f7d3af8,ffff80002a1bef78) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806e3d0860,c2585601,ffff800000da8c00,ffff80002a1bef78) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 end trace frame: 0xffff80002a27d960, count: 0 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: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828e6703) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e18a50,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e18a50,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e18848) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82e18848) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82e18848) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff80002a27d300,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f pool_do_get(ffffffff82db28c0,9,ffff80002a27d4a8) at pool_do_get+0xba sys/kern/subr_pool.c:723 pool_get(ffffffff82db28c0,9) at pool_get+0xf0 sys/kern/subr_pool.c:582 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002a3373d0,ffff80002a1bef78) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 vm_create(ffff800000da8c00,ffff80002a1bef78) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000da8c00,1,ffff80002a1bef78) at vmmioctl+0x2de VOP_IOCTL(fffffd806e1facb0,c2585601,ffff800000da8c00,1,fffffd807f7d3af8,ffff80002a1bef78) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806e3d0860,c2585601,ffff800000da8c00,ffff80002a1bef78) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002a1bef78,ffff80002a27da40,ffff80002a27d990) at sys_ioctl+0x4a9 syscall(ffff80002a27da40) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002a27da40) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73aa1d4cabe0, count: -17 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a27d0f0 rbx 0xffffffff82ca9d77 cpu_info_full_primary+0x2d77 rdx 0x3fd rcx 0 rax 0x68 r8 0x101010101010101 r9 0x8080808080808080 r10 0x233ffc1f82e83096 r11 0x342eb39407045b53 r12 0xffffffff82ca9b78 cpu_info_full_primary+0x2b78 r13 0 r14 0 r15 0x1 rip 0xffffffff821a238c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002a27d0e0 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor1327327047) tid=153476 pid=47971 tcnt=1 stat=onproc flags process=8000000 proc=0 runpri=17, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a1bf498,0xffffffff82e3ca28 process=0xffff80002a22ec78 user=0xffff80002a278000, vmspace=0xfffffd806b6dc530 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *47971 153476 40592 0 7 0x8000000 syz-executor1327327047 51117 12578 4508 0 3 0x8000000 biowait syz-executor1327327047 57486 353577 4508 0 3 0x8000080 nanoslp syz-executor1327327047 87235 493684 4508 0 3 0x8000000 biowait syz-executor1327327047 55243 16194 4508 0 3 0x8000000 biowait syz-executor1327327047 24373 175036 4508 0 3 0x8000080 nanoslp syz-executor1327327047 91230 269841 4508 0 3 0x8000000 biowait syz-executor1327327047 40592 145402 4508 0 3 0x8000080 nanoslp syz-executor1327327047 63819 168992 4508 0 3 0x8000000 biowait syz-executor1327327047 4508 191257 27769 0 3 0x8000082 nanoslp syz-executor1327327047 27769 249822 95202 0 3 0x810008a sigsusp ksh 95202 119307 46128 0 3 0x1800009a kqread sshd 46010 201297 1 0 3 0x18100083 ttyin getty 46128 397755 1 0 3 0x18000088 kqread sshd 22768 254837 87050 73 3 0x19100090 kqread syslogd 87050 100049 1 0 3 0x18100082 sbwait syslogd 3436 422343 1 0 3 0x18100080 kqread resolvd 90938 483377 72770 77 3 0x18100092 kqread dhcpleased 63050 143864 72770 77 3 0x18100092 kqread dhcpleased 72770 365118 1 0 3 0x18000080 kqread dhcpleased 15313 465700 0 0 3 0x14200 bored smr 46515 400465 0 0 3 0x14200 pgzero zerothread 73574 267722 0 0 3 0x14200 aiodoned aiodoned 14752 436405 0 0 3 0x14200 syncer update 45924 237545 0 0 3 0x14200 cleaner cleaner 37377 134311 0 0 3 0x14200 reaper reaper 25948 50769 0 0 3 0x14200 pgdaemon pagedaemon 25394 68326 0 0 3 0x14200 bored viomb 77628 116489 0 0 3 0x40014200 acpi0 acpi0 71816 135305 0 0 7 0x40014200 idle1 5807 388060 0 0 3 0x14200 bored softnet3 20449 405817 0 0 3 0x14200 bored softnet2 50636 257340 0 0 3 0x14200 bored softnet1 47770 13692 0 0 3 0x14200 bored softnet0 9005 183617 0 0 3 0x14200 bored systqmp 4460 504315 0 0 3 0x14200 bored systq 92679 388472 0 0 3 0x14200 tmoslp softclockmp 89324 355590 0 0 3 0x40014200 tmoslp softclock 27589 363603 0 0 3 0x40014200 idle0 1 99814 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex vmsppl r = 0 (0xffffffff82db28d0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pool_get+0xc4 sys/kern/subr_pool.c:579 #4 uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 #5 vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 #6 vm_create+0x13e sys/dev/vmm/vmm.c:388 #7 vmmioctl+0x2de #8 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 #9 vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 #10 sys_ioctl+0x4a9 #11 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #11 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 Process 51117 (syz-executor1327327047) thread 0xffff80002a1bf498 (12578) exclusive rrwlock inode r = 0 (0xfffffd806b862f88) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #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 (0xfffffd806b862b48) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #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 cache_lookup+0x2b3 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1b2 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x6f8 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 87235 (syz-executor1327327047) thread 0xffff80002a1bfc48 (493684) exclusive rrwlock inode r = 0 (0xfffffd806b759c48) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #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 (0xfffffd806b8621b8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #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 cache_lookup+0x2b3 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1b2 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x6f8 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 55243 (syz-executor1327327047) thread 0xffff80002a148a48 (16194) exclusive rrwlock inode r = 0 (0xfffffd806b759808) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #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 (0xfffffd806b830810) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #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 cache_lookup+0x2b3 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1b2 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x6f8 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 91230 (syz-executor1327327047) thread 0xffff80002a148008 (269841) exclusive rrwlock inode r = 0 (0xfffffd806b8625f8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #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 (0xfffffd806b8622c8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #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 cache_lookup+0x2b3 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1b2 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x6f8 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 63819 (syz-executor1327327047) thread 0xffff8000ffffca50 (168992) exclusive rrwlock inode r = 0 (0xfffffd806b862e78) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #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 (0xfffffd806b8620a8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #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 cache_lookup+0x2b3 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1b2 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x6f8 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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10143 6388K 6419K 166960K 11221 0 pcb 17 12K 12K 166960K 17 0 rtable 58 1K 2K 166960K 107 0 pf 12 6K 10K 166960K 23 0 ifaddr 12 9K 9K 166960K 12 0 ifgroup 17 1K 1K 166960K 17 0 counters 48 34K 34K 166960K 48 0 ioctlops 1 1K 4K 166960K 1750 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1260 79K 79K 166960K 1279 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 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 1697 195K 286K 166960K 12548 0 file desc 1 0K 0K 166960K 1 0 proc 55 78K 79K 166960K 256 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 11 0K 0K 166960K 11 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 249 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 413 87K 87K 166960K 3364 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 30 60K 70K 166960K 1137 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 3 0K 0K 166960K 3 0 temp 1 6804K 6868K 166960K 3475 0 kqueue 11 16K 18K 166960K 24 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 17 0 14 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 144 33 0 20 1 0 1 1 0 8 0 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpqe 32 47 0 47 1 1 0 1 0 8 0 tcpcb 808 8 0 5 1 0 1 1 0 8 0 arp 120 2 0 0 1 0 1 1 0 8 0 inpcb 384 30 0 24 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 9 0 7 2 1 1 1 0 8 0 pfstkey 128 9 0 7 2 1 1 1 0 8 0 pfstate 376 9 0 7 2 1 1 1 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 97 0 0 7 0 7 7 0 8 0 art_table 32 98 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2069 0 309 110 0 110 110 0 8 0 ffsino 272 2069 0 309 118 0 118 118 0 8 0 nchpl 144 2811 0 1136 64 1 63 63 0 8 0 uvmvnodes 80 2082 0 0 43 0 43 43 0 8 0 vnodes 216 2082 0 0 116 0 116 116 0 8 0 namei 1024 6945 0 6945 3 1 2 2 0 8 2 percpumem 16 38 0 0 1 0 1 1 0 8 0 vcpupl 3904 276 0 0 35 0 35 35 0 8 0 vmpool 696 277 0 0 26 0 26 26 0 8 0 kstatmem 264 6 0 0 1 0 1 1 0 8 0 scxspl 216 8238 0 8233 11 10 1 8 1 8 0 plimitpl 152 24 0 10 1 0 1 1 0 8 0 sigapl 424 601 0 559 6 0 6 6 0 8 0 knotepl 120 43 0 0 2 0 2 2 0 8 0 kqueuepl 216 20 0 13 1 0 1 1 0 8 0 pipepl 320 90 0 87 2 1 1 1 0 8 0 fdescpl 496 583 0 561 5 1 4 4 0 8 1 filepl 152 2307 0 2246 3 0 3 3 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 25 0 9 1 0 1 1 0 8 0 pgrppl 48 25 0 9 1 0 1 1 0 8 0 ucredpl 104 66 0 56 1 0 1 1 0 8 0 zombiepl 144 561 0 559 2 1 1 1 0 8 0 processpl 1136 601 0 559 4 0 4 4 0 8 0 procpl 656 601 0 559 4 0 4 4 0 8 0 sockpl 664 80 0 58 2 0 2 2 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 443 0 0 52 5 47 52 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 467 0 0 27 0 27 27 0 8 0 bufpl 280 3196 0 97 222 0 222 222 0 8 0 anonpl 24 207594 0 205374 26 12 14 23 0 186 0 amapchunkpl 152 10561 0 10347 10 1 9 9 0 158 0 amappl16 200 6704 0 6419 21 5 16 16 0 8 0 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 108 0 99 1 0 1 1 0 8 0 amappl13 176 15 0 13 1 0 1 1 0 8 0 amappl12 168 826 0 805 1 0 1 1 0 8 0 amappl11 160 50 0 40 1 0 1 1 0 8 0 amappl10 152 25 0 25 2 1 1 1 0 8 1 amappl9 144 405 0 405 1 1 0 1 0 8 0 amappl8 136 45 0 43 1 0 1 1 0 8 0 amappl7 128 17 0 16 1 0 1 1 0 8 0 amappl6 120 163 0 153 1 0 1 1 0 8 0 amappl5 112 413 0 391 1 0 1 1 0 8 0 amappl4 104 404 0 378 1 0 1 1 0 8 0 amappl3 96 1506 0 1464 2 0 2 2 0 8 0 amappl2 88 833 0 780 2 0 2 2 0 8 0 amappl1 80 9348 0 8912 15 4 11 11 0 8 1 amappl 88 2776 0 2693 3 0 3 3 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 859 0 561 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 859 0 561 2 0 2 2 0 8 0 vmmpekpl 168 5965 0 5939 2 0 2 2 0 8 0 vmmpepl 168 43076 0 41655 72 6 66 66 0 357 0 vmsppl 440 858 0 561 34 0 34 34 0 8 0 rwobjpl 56 20406 0 17419 44 1 43 43 0 8 0 pdppl 4096 1725 0 1398 349 18 331 331 0 8 4 pvpl 32 6358 0 0 52 0 52 52 0 265 0 pmappl 248 858 0 561 20 1 19 19 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 678 0 27 19 0 19 19 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(ffffffff828e6703) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e18a50,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e18a50,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e18848) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82e18848) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82e18848) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff80002a27d300,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f pool_do_get(ffffffff82db28c0,9,ffff80002a27d4a8) at pool_do_get+0xba sys/kern/subr_pool.c:723 pool_get(ffffffff82db28c0,9) at pool_get+0xf0 sys/kern/subr_pool.c:582 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002a3373d0,ffff80002a1bef78) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 vm_create(ffff800000da8c00,ffff80002a1bef78) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000da8c00,1,ffff80002a1bef78) at vmmioctl+0x2de VOP_IOCTL(fffffd806e1facb0,c2585601,ffff800000da8c00,1,fffffd807f7d3af8,ffff80002a1bef78) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806e3d0860,c2585601,ffff800000da8c00,ffff80002a1bef78) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002a1bef78,ffff80002a27da40,ffff80002a27d990) at sys_ioctl+0x4a9 syscall(ffff80002a27da40) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002a27da40) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73aa1d4cabe0, count: -17 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 acpicpu_idle() at acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41d sys/kern/kern_sched.c:183 end trace frame: 0x0, count: 10 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 acpicpu_idle() at acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41d sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -5