witness: lock order reversal: 1st 0xffffffff82c75c58 &sched_lock (&sched_lock) 2nd 0xffff8000212cc558 &pr->ps_mtx (&pr->ps_mtx) lock order "&pr->ps_mtx"(mutex) -> "&sched_lock"(sched_lock) first seen at: #0 __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] #0 __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] #0 __mp_lock+0xa2 sys/kern/kern_lock.c:142 #1 donice+0x178 sys/kern/kern_resource.c:218 #2 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #2 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #3 Xsyscall+0x128 lock order "&sched_lock"(sched_lock) -> "&pr->ps_mtx"(mutex) first seen at: #0 mtx_enter+0x3e sys/kern/kern_lock.c:265 #1 single_thread_set+0x35a single_thread_wait sys/kern/kern_sig.c:2172 [inline] #1 single_thread_set+0x35a sys/kern/kern_sig.c:2155 #2 sigexit+0x90 sys/kern/kern_sig.c:1562 #3 postsig+0x4a9 sys/kern/kern_sig.c:1494 #4 userret+0x16e sys/kern/kern_sig.c:1987 #5 syscall+0x4e7 mi_syscall_return sys/sys/syscall_mi.h:137 [inline] #5 syscall+0x4e7 sys/arch/amd64/amd64/trap.c:644 #6 Xsyscall+0x128 Stopped at db_enter+0x1c: addq $0x8,%rsp ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff8000212cc558,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff8000212cc558,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1110 mtx_enter(ffff8000212cc548) at mtx_enter+0x3e sys/kern/kern_lock.c:265 single_thread_set(ffff800021213010,0,1) at single_thread_set+0x35a single_thread_wait sys/kern/kern_sig.c:2172 [inline] single_thread_set(ffff800021213010,0,1) at single_thread_set+0x35a sys/kern/kern_sig.c:2155 sigexit(ffff800021213010,6) at sigexit+0x90 sys/kern/kern_sig.c:1562 postsig(ffff800021213010,6,ffff8000230f3388) at postsig+0x4a9 sys/kern/kern_sig.c:1494 userret(ffff800021213010) at userret+0x16e sys/kern/kern_sig.c:1987 syscall(ffff8000230f34c0) at syscall+0x4e7 mi_syscall_return sys/sys/syscall_mi.h:137 [inline] syscall(ffff8000230f34c0) at syscall+0x4e7 sys/arch/amd64/amd64/trap.c:644 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb1873b3b570, count: -9 ddb{0}> show registers rdi 0x3 rsi 0x40000 acpi_pdirpa+0x2be63 rbp 0xffff8000230f3090 rbx 0x3 rdx 0xffff800000d7ed80 rcx 0xffff800021213010 rax 0x3ffff acpi_pdirpa+0x2be62 r8 0xffff8000230f3000 r9 0x8080808080808080 r10 0x7bfd7b51d0e713d8 r11 0x43ca87892b91c594 r12 0xfffffd8003a0d640 r13 0 r14 0xfffffd80039f8560 r15 0xfffffd80031cabc0 rip 0xffffffff82131f9c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff8000230f3080 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.7) pid=414361 stat=onproc flags process=500000 proc=4002000 pri=32, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff8000212ab7f8,0xffff800021212d78 process=0xffff8000212cc448 user=0xffff8000230ee000, vmspace=0xfffffd8067dfcb18 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 79114 304693 65824 0 7 0 syz-executor.3 51820 246047 81522 0 4 0x582000 syz-executor.7 *51820 414361 81522 0 7 0x4502000 syz-executor.7 77647 276888 18856 0 2 0 syz-executor.2 87635 522127 80249 0 2 0 syz-executor.6 48206 70831 60442 0 3 0x80 nanoslp syz-executor.0 48206 509602 60442 0 3 0x4000080 netcon syz-executor.0 48206 511265 60442 0 3 0x4000080 fsleep syz-executor.0 48206 447245 60442 0 3 0x4000080 netcon syz-executor.0 18856 74 2911 0 3 0x82 nanoslp syz-executor.2 80249 502331 2911 0 3 0x82 nanoslp syz-executor.6 81522 322789 2911 0 3 0x82 nanoslp syz-executor.7 54825 219963 0 0 3 0x14280 nfsidl nfsio 26047 336816 0 0 3 0x14280 nfsidl nfsio 94678 514263 0 0 3 0x14280 nfsidl nfsio 84912 309584 0 0 3 0x14280 nfsidl nfsio 48831 425374 0 0 3 0x14280 nfsidl nfsio 73272 48203 0 0 3 0x14280 nfsidl nfsio 30348 385496 0 0 3 0x14280 nfsidl nfsio 59565 466075 0 0 3 0x14280 nfsidl nfsio 65103 335925 0 0 3 0x14280 nfsidl nfsio 54777 187808 0 0 3 0x14280 nfsidl nfsio 36706 490704 0 0 3 0x14280 nfsidl nfsio 36023 370487 0 0 3 0x14280 nfsidl nfsio 37742 49868 0 0 3 0x14280 nfsidl nfsio 17670 5123 0 0 3 0x14280 nfsidl nfsio 95387 11870 0 0 3 0x14280 nfsidl nfsio 637 200063 0 0 3 0x14280 nfsidl nfsio 47834 93002 0 0 3 0x14280 nfsidl nfsio 83852 47780 0 0 3 0x14280 nfsidl nfsio 65164 509993 0 0 3 0x14280 nfsidl nfsio 72697 10245 0 0 3 0x14280 nfsidl nfsio 68160 219457 2911 0 3 0x82 nanoslp syz-executor.4 40108 451141 1 0 3 0x100083 ttyin getty 42014 207310 0 0 3 0x14200 bored sosplice 65824 524032 2911 0 3 0x82 nanoslp syz-executor.3 17308 385661 54877 0 3 0x100082 netio arp 54877 436637 1 0 3 0x10008a sigsusp sh 40084 331420 2911 0 3 0x2 biowait syz-executor.5 7568 150931 2911 0 3 0x82 nanoslp syz-executor.1 60442 92262 2911 0 3 0x82 nanoslp syz-executor.0 2911 41001 2279 0 3 0x2000082 thrsleep syz-fuzzer 2911 325738 2279 0 3 0x6000082 thrsleep syz-fuzzer 2911 71812 2279 0 3 0x6000082 wait syz-fuzzer 2911 185409 2279 0 3 0x6000082 wait syz-fuzzer 2911 500533 2279 0 3 0x6000082 kqread syz-fuzzer 2911 175397 2279 0 3 0x6000082 wait syz-fuzzer 2911 459047 2279 0 3 0x6000082 wait syz-fuzzer 2911 55413 2279 0 3 0x6000082 thrsleep syz-fuzzer 2911 365896 2279 0 3 0x6000082 wait syz-fuzzer 2911 422520 2279 0 3 0x6000082 thrsleep syz-fuzzer 2911 431429 2279 0 3 0x6000082 thrsleep syz-fuzzer 2911 459889 2279 0 3 0x6000082 wait syz-fuzzer 2911 271900 2279 0 3 0x6000082 thrsleep syz-fuzzer 2911 37212 2279 0 3 0x6000082 thrsleep syz-fuzzer 2911 220655 2279 0 3 0x6000082 wait syz-fuzzer 2911 203283 2279 0 3 0x6000082 wait syz-fuzzer 2279 254646 11912 0 3 0x10008a sigsusp ksh 11912 279540 63841 0 3 0x9a kqread sshd 63841 250110 1 0 3 0x88 kqread sshd 88954 289863 22668 74 3 0x1100092 bpf pflogd 22668 444457 1 0 3 0x80 netio pflogd 37514 135163 25175 73 3 0x1100090 kqread syslogd 25175 52241 1 0 3 0x100082 netio syslogd 85928 307839 1 0 3 0x100080 kqread resolvd 95434 75737 13683 77 3 0x100092 kqread dhcpleased 38577 89224 13683 77 3 0x100092 kqread dhcpleased 13683 315340 1 0 3 0x80 kqread dhcpleased 45826 257824 0 0 3 0x14200 bored smr 17753 105871 0 0 2 0x14200 zerothread 86487 161259 0 0 3 0x14200 aiodoned aiodoned 40074 222946 0 0 3 0x14200 syncer update 11563 177026 0 0 3 0x14200 cleaner cleaner 29827 186273 0 0 3 0x14200 reaper reaper 34635 166148 0 0 3 0x14200 pgdaemon pagedaemon 86641 504615 0 0 3 0x14200 bored viomb 79226 33487 0 0 3 0x40014200 acpi0 acpi0 91925 498426 0 0 3 0x40014200 idle1 54038 57478 0 0 3 0x14200 bored softnet3 49379 435377 0 0 3 0x14200 bored softnet2 30219 155750 0 0 3 0x14200 bored softnet1 89744 32248 0 0 3 0x14200 bored softnet0 96317 53314 0 0 3 0x14200 bored systqmp 50073 8502 0 0 3 0x14200 bored systq 27971 107334 0 0 3 0x40014200 bored softclock 74591 99533 0 0 3 0x40014200 idle0 1 385477 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive sched_lock &sched_lock r = 0 (0xffffffff82c75c58) #0 witness_lock+0x447 #1 single_thread_set+0x179 sys/kern/kern_sig.c:2113 #2 sigexit+0x90 sys/kern/kern_sig.c:1562 #3 postsig+0x4a9 sys/kern/kern_sig.c:1494 #4 userret+0x16e sys/kern/kern_sig.c:1987 #5 syscall+0x4e7 mi_syscall_return sys/sys/syscall_mi.h:137 [inline] #5 syscall+0x4e7 sys/arch/amd64/amd64/trap.c:644 #6 Xsyscall+0x128 CPU 1: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff82c849f0) #0 witness_lock+0x447 #1 mtx_enter_try+0x104 #2 mtx_enter+0x4f sys/kern/kern_lock.c:266 #3 uvm_pmr_getpages+0xeac sys/uvm/uvm_pmemrange.c:1205 #4 uvm_pagealloc+0x1a8 sys/uvm/uvm_page.c:910 #5 pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1209 #6 pmap_enter+0x2be sys/arch/amd64/amd64/pmap.c:2716 #7 uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1192 #8 uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227 #9 uvm_fault+0x238 #10 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 #11 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #12 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd8067732bb0) #0 witness_lock+0x447 #1 mtx_enter_try+0x104 #2 mtx_enter+0x4f sys/kern/kern_lock.c:266 #3 pmap_enter+0x1c3 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:423 [inline] #3 pmap_enter+0x1c3 sys/arch/amd64/amd64/pmap.c:2710 #4 uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1192 #5 uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227 #6 uvm_fault+0x238 #7 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 Process 79114 (syz-executor.3) thread 0xffff800021212d68 (304693) exclusive rwlock uobjlk r = 0 (0xfffffd806d984c58) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 uvm_fault_lower_lookup+0x4a sys/uvm/uvm_fault.c:1126 #3 uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227 #4 uvm_fault+0x238 #5 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd8067dfc4d0) #0 witness_lock+0x447 #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+0x86 sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 Process 51820 (syz-executor.7) thread 0xffff800021213010 (414361) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d78a60) #0 witness_lock+0x447 #1 postsig+0x49e sys/kern/kern_sig.c:1500 #2 userret+0x16e sys/kern/kern_sig.c:1987 #3 syscall+0x4e7 mi_syscall_return sys/sys/syscall_mi.h:137 [inline] #3 syscall+0x4e7 sys/arch/amd64/amd64/trap.c:644 #4 Xsyscall+0x128 exclusive sched_lock &sched_lock r = 0 (0xffffffff82c75c58) #0 witness_lock+0x447 #1 single_thread_set+0x179 sys/kern/kern_sig.c:2113 #2 sigexit+0x90 sys/kern/kern_sig.c:1562 #3 postsig+0x4a9 sys/kern/kern_sig.c:1494 #4 userret+0x16e sys/kern/kern_sig.c:1987 #5 syscall+0x4e7 mi_syscall_return sys/sys/syscall_mi.h:137 [inline] #5 syscall+0x4e7 sys/arch/amd64/amd64/trap.c:644 #6 Xsyscall+0x128 Process 40084 (syz-executor.5) thread 0xffff800021284d48 (331420) exclusive rrwlock inode r = 0 (0xfffffd806e1351b8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1343 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80669f61b8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3058 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10200 6499K 7121K 78643K 34254 0 pcb 13 14K 15K 78643K 301 0 rtable 239 7K 7K 78643K 833 0 pf 35 10K 10K 78643K 97 0 ifaddr 46 16K 16K 78643K 97 0 ifgroup 60 2K 2K 78643K 151 0 sysctl 2 0K 0K 78643K 2 0 counters 62 36K 36K 78643K 108 0 ioctlops 0 0K 4K 78643K 1906 0 iov 0 0K 24K 78643K 292 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1413 88K 88K 78643K 3136 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 130 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 20 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 85K 78643K 15797 0 sigio 0 0K 0K 78643K 3161 0 proc 70 91K 115K 78643K 944 0 subproc 117 7K 7K 78643K 209 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 265 0 in_multi 99 7K 7K 78643K 227 0 ether_multi 1 0K 0K 78643K 1 0 mrt 1 0K 0K 78643K 5 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 67 307K 307K 78643K 67 0 exec 0 0K 1K 78643K 856 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 408 88K 92K 78643K 154355 0 UVM aobj 131 4K 4K 78643K 151 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 68 0 NDP 13 0K 1K 78643K 66 0 temp 75 5920K 6556K 78643K 76989 0 kqueue 12 18K 34K 78643K 362 0 SYN cache 2 16K 24K 78643K 3 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 138 0 134 1 0 1 1 0 8 0 rtentry 112 266 0 155 4 0 4 4 0 8 0 unpcb 144 9926 0 9911 47 44 3 11 0 8 2 syncache 304 83 0 83 9 9 0 1 0 8 0 tcpqe 32 226 0 226 10 10 0 1 0 8 0 tcpcb 808 13829 0 13758 228 220 8 18 0 8 0 arp 120 34 0 16 1 0 1 1 0 8 0 inpcb 368 15390 0 15316 229 221 8 22 0 8 0 nd6 136 47 0 22 1 0 1 1 0 8 0 kcovpl 48 16 0 7 1 0 1 1 0 8 0 ppxss 1256 3 0 3 2 1 1 1 0 8 1 pffrag 232 14 0 12 4 3 1 1 0 482 0 pffrnode 88 14 0 12 4 3 1 1 0 8 0 pffrent 40 31 0 29 5 4 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 24 112 0 103 1 0 1 1 0 8 0 pfstkey 128 112 0 103 1 0 1 1 0 8 0 pfstate 376 112 0 103 7 5 2 3 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 256 777 0 319 31 2 29 29 0 8 0 art_table 32 778 0 319 4 0 4 4 0 8 0 art_node 16 193 0 92 1 0 1 1 0 8 0 sysvmsgpl 40 39 0 13 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 13 0 3 1 0 1 1 0 8 0 shmpl 112 148 0 20 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 19311 0 17852 92 0 92 92 0 8 0 ffsino 272 19311 0 17852 98 0 98 98 0 8 0 nchpl 144 38399 0 36749 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 111730 0 111729 6 5 1 2 0 8 0 percpumem 16 67 0 23 1 0 1 1 0 8 0 vmpool 696 4 0 4 1 1 0 1 0 8 0 kstatmem 264 72 0 46 2 0 2 2 0 8 0 scxspl 216 112934 0 112933 12 11 1 8 1 8 0 plimitpl 152 184 0 167 1 0 1 1 0 8 0 sigapl 424 16130 0 16060 9 1 8 8 0 8 0 futexpl 64 105513 0 105512 6 5 1 1 0 8 0 knotepl 120 657 0 0 17 4 13 14 0 8 0 kqueuepl 216 657 0 649 13 8 5 5 0 8 4 pipepl 320 5349 0 5318 102 99 3 12 0 8 0 fdescpl 496 16092 0 16062 9 4 5 5 0 8 0 filepl 152 89682 0 89357 156 141 15 27 0 8 2 lockfpl 104 1400 0 1398 4 3 1 2 0 8 0 lockfspl 48 591 0 589 1 0 1 1 0 8 0 sessionpl 144 34 0 16 1 0 1 1 0 8 0 pgrppl 48 303 0 285 1 0 1 1 0 8 0 ucredpl 104 6500 0 6480 1 0 1 1 0 8 0 zombiepl 144 16062 0 16060 2 1 1 1 0 8 0 processpl 1072 16130 0 16060 5 0 5 5 0 8 0 procpl 680 43216 0 43127 26 17 9 10 0 8 0 sosppl 168 70 0 70 6 6 0 1 0 8 0 sockpl 488 25466 0 25373 587 574 13 42 0 8 0 mcl64k 65536 33 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 11 0 0 1 0 1 1 0 8 0 mcl8k 8192 41 0 0 6 3 3 3 0 8 0 mcl4k 4096 41 0 0 4 0 4 4 0 8 0 mcl2k2 2112 9 0 0 1 0 1 1 0 8 0 mcl2k 2048 751 0 0 39 19 20 39 0 8 0 mtagpl 96 199 0 0 5 0 5 5 0 8 0 mbufpl 256 1558 0 0 90 0 90 90 0 8 0 bufpl 288 22734 0 16407 453 0 453 453 0 8 0 anonpl 24 1327963 0 1317454 100 34 66 79 0 186 0 amapchunkpl 152 483973 0 483224 109 72 37 42 0 158 1 amappl16 200 21948 0 21703 31 16 15 22 0 8 0 amappl15 192 84 0 84 1 1 0 1 0 8 0 amappl14 184 183 0 168 2 1 1 2 0 8 0 amappl13 176 47 0 47 1 1 0 1 0 8 0 amappl12 168 16901 0 16863 3 1 2 2 0 8 0 amappl11 160 80 0 66 1 0 1 1 0 8 0 amappl10 152 36 0 25 2 1 1 1 0 8 0 amappl9 144 211 0 209 1 0 1 1 0 8 0 amappl8 136 632 0 475 6 0 6 6 0 8 0 amappl7 128 95 0 80 2 0 2 2 0 8 0 amappl6 120 347 0 319 3 2 1 3 0 8 0 amappl5 112 361 0 349 1 0 1 1 0 8 0 amappl4 104 779 0 724 3 1 2 3 0 8 0 amappl3 96 96157 0 96079 6 3 3 4 0 8 0 amappl2 88 16657 0 16582 3 0 3 3 0 8 0 amappl1 80 63913 0 63333 23 9 14 23 0 8 0 amappl 88 153581 0 153363 10 3 7 7 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 72 150 0 20 3 0 3 3 0 8 0 uaddrrnd 24 16096 0 16066 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 16096 0 16066 1 0 1 1 0 8 0 vmmpekpl 168 131276 0 131205 4 0 4 4 0 8 0 vmmpepl 168 914871 0 912578 234 124 110 127 0 357 1 vmsppl 464 16095 0 16066 8 3 5 5 0 8 0 rwobjpl 56 216531 0 209007 117 9 108 108 0 8 0 pdppl 4096 32200 0 32132 512 438 74 80 0 8 6 pvpl 32 4340543 0 4323716 383 237 146 367 0 265 1 pmappl 248 16095 0 16066 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1829 0 928 27 0 27 27 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 witness_checkorder(ffff8000212cc558,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff8000212cc558,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1110 mtx_enter(ffff8000212cc548) at mtx_enter+0x3e sys/kern/kern_lock.c:265 single_thread_set(ffff800021213010,0,1) at single_thread_set+0x35a single_thread_wait sys/kern/kern_sig.c:2172 [inline] single_thread_set(ffff800021213010,0,1) at single_thread_set+0x35a sys/kern/kern_sig.c:2155 sigexit(ffff800021213010,6) at sigexit+0x90 sys/kern/kern_sig.c:1562 postsig(ffff800021213010,6,ffff8000230f3388) at postsig+0x4a9 sys/kern/kern_sig.c:1494 userret(ffff800021213010) at userret+0x16e sys/kern/kern_sig.c:1987 syscall(ffff8000230f34c0) at syscall+0x4e7 mi_syscall_return sys/sys/syscall_mi.h:137 [inline] syscall(ffff8000230f34c0) at syscall+0x4e7 sys/arch/amd64/amd64/trap.c:644 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb1873b3b570, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d58ff0) 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 wakeup_n(ffffffff82c8485c,ffffffff) at wakeup_n+0x37 sys/kern/kern_synch.c:541 uvm_pmr_getpages(1,0,0,1,0,1,4a420d383dac3c82,0) at uvm_pmr_getpages+0xeef sys/uvm/uvm_pmemrange.c:1207 uvm_pagealloc(fffffd8067732c10,19000,0,3) at uvm_pagealloc+0x1a8 sys/uvm/uvm_page.c:910 pmap_get_ptp(fffffd8067732ba0,c8984c08000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1209 pmap_enter(fffffd8067732ba0,c8984c08000,5b74e000,4,20) at pmap_enter+0x2be sys/arch/amd64/amd64/pmap.c:2716 uvm_fault_lower_lookup(ffff80002fe3d840,ffff80002fe3d878,ffff80002fe3d7c0) at uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1192 uvm_fault_lower(ffff80002fe3d840,ffff80002fe3d878,ffff80002fe3d7c0,0) at uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd8067dfc3d8,c8984c0b000,0,4) at uvm_fault+0x238 upageflttrap(ffff80002fe3d9c0,c8984c0bc9b) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002fe3d9c0) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x78ee0a876a20, count: -15