panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 23266 9128 0 0 0x4000000 1 syz-executor.0 524154 48917 0 0 0x4000000 0 syz-executor.7 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825c433a) at panic+0x177 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82a31730,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a31528) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a31528) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a31528) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 rtfree(fffffd806ef450e0) at rtfree+0x6a sys/net/route.c:501 in_pcbrtentry(fffffd8067350bb0) at in_pcbrtentry+0x5b sys/netinet/in_pcb.c:888 ip6_ctloutput(0,fffffd806fbb9b88,29,2c,fffffd8075519800) at ip6_ctloutput+0x1079 sys/netinet6/ip6_output.c:1511 sys_getsockopt(ffff8000213327e0,ffff80002e379d98,ffff80002e379de0) at sys_getsockopt+0x15e sys/kern/uipc_syscalls.c:1275 syscall(ffff80002e379e60) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e379e60) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe725c1d4a40, 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: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825c433a) at panic+0x177 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82a31730,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a31528) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a31528) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a31528) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 rtfree(fffffd806ef450e0) at rtfree+0x6a sys/net/route.c:501 in_pcbrtentry(fffffd8067350bb0) at in_pcbrtentry+0x5b sys/netinet/in_pcb.c:888 ip6_ctloutput(0,fffffd806fbb9b88,29,2c,fffffd8075519800) at ip6_ctloutput+0x1079 sys/netinet6/ip6_output.c:1511 sys_getsockopt(ffff8000213327e0,ffff80002e379d98,ffff80002e379de0) at sys_getsockopt+0x15e sys/kern/uipc_syscalls.c:1275 syscall(ffff80002e379e60) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e379e60) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe725c1d4a40, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e379a00 rbx 0xffff800020dd9b8f rdx 0 rcx 0 rax 0xffff8000213327e0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xb07a13630aea434a r11 0xc3dd358126f034ac r12 0xffff800020dd9990 r13 0 r14 0 r15 0x1 rip 0xffffffff82488f68 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002e3799f0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=23266 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff800021333ce0,0xffff80002e350558 process=0xffff8000ffff0018 user=0xffff80002e374000, vmspace=0xfffffd807effd450 estcpu=30, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 34638 55810 19806 0 2 0 syz-executor.5 34638 193128 19806 0 2 0x4000080 syz-executor.5 9128 387208 78028 0 2 0 syz-executor.0 * 9128 23266 78028 0 7 0x4000000 syz-executor.0 82962 495487 74632 0 2 0 syz-executor.3 82962 406872 74632 0 3 0x4000080 fsleep syz-executor.3 82962 335882 74632 0 3 0x4000080 fsleep syz-executor.3 92832 298302 38869 0 2 0 syz-executor.2 92832 80424 38869 0 3 0x4000080 fsleep syz-executor.2 48917 363459 84183 0 2 0 syz-executor.7 48917 524154 84183 0 7 0x4000000 syz-executor.7 48917 50564 84183 0 3 0x4000080 fsleep syz-executor.7 48917 363542 84183 0 3 0x4000080 fsleep syz-executor.7 48917 445902 84183 0 2 0x4000000 syz-executor.7 43619 229280 36342 0 2 0 syz-executor.1 43619 334792 36342 0 3 0x4000080 fsleep syz-executor.1 19806 77902 12016 0 2 0x482 syz-executor.5 18010 446366 12016 0 2 0x2 syz-executor.4 38869 90870 12016 0 3 0x82 nanoslp syz-executor.2 32075 353904 1 0 3 0x100083 ttyin getty 1016 517696 0 0 3 0x14200 bored sosplice 43057 78833 0 0 3 0x14280 nfsidl nfsio 38830 465574 0 0 3 0x14280 nfsidl nfsio 77801 497984 0 0 3 0x14280 nfsidl nfsio 52500 2293 0 0 3 0x14280 nfsidl nfsio 40838 519736 0 0 3 0x14280 nfsidl nfsio 42245 464303 0 0 3 0x14280 nfsidl nfsio 93267 154267 0 0 3 0x14280 nfsidl nfsio 41522 170752 0 0 3 0x14280 nfsidl nfsio 65456 49967 0 0 3 0x14280 nfsidl nfsio 88071 390746 0 0 3 0x14280 nfsidl nfsio 91330 462577 0 0 3 0x14280 nfsidl nfsio 78322 458731 0 0 3 0x14280 nfsidl nfsio 84276 470250 0 0 3 0x14280 nfsidl nfsio 8836 155508 0 0 3 0x14280 nfsidl nfsio 19022 18042 0 0 3 0x14280 nfsidl nfsio 42117 231611 0 0 3 0x14280 nfsidl nfsio 48003 399838 0 0 3 0x14280 nfsidl nfsio 41018 474717 0 0 3 0x14280 nfsidl nfsio 88322 452467 0 0 3 0x14280 nfsidl nfsio 88104 442781 0 0 3 0x14280 nfsidl nfsio 84183 286906 12016 0 2 0x482 syz-executor.7 96042 288596 12016 0 2 0x482 syz-executor.6 74632 47051 12016 0 2 0x482 syz-executor.3 36342 413024 12016 0 3 0x82 nanoslp syz-executor.1 78028 296875 12016 0 3 0x82 nanoslp syz-executor.0 12016 409439 80832 0 3 0x82 thrsleep syz-fuzzer 12016 128613 80832 0 2 0x4000482 syz-fuzzer 12016 336012 80832 0 3 0x4000082 thrsleep syz-fuzzer 12016 6909 80832 0 3 0x4000082 wait syz-fuzzer 12016 363484 80832 0 3 0x4000082 wait syz-fuzzer 12016 482748 80832 0 3 0x4000082 wait syz-fuzzer 12016 212613 80832 0 3 0x4000082 wait syz-fuzzer 12016 402514 80832 0 3 0x4000082 wait syz-fuzzer 12016 121182 80832 0 3 0x4000082 thrsleep syz-fuzzer 12016 181165 80832 0 3 0x4000082 thrsleep syz-fuzzer 12016 169383 80832 0 3 0x4000082 wait syz-fuzzer 12016 338250 80832 0 3 0x4000082 wait syz-fuzzer 12016 483914 80832 0 3 0x4000082 thrsleep syz-fuzzer 12016 417923 80832 0 3 0x4000082 wait syz-fuzzer 12016 434364 80832 0 3 0x4000082 kqread syz-fuzzer 12016 416250 80832 0 3 0x4000082 thrsleep syz-fuzzer 80832 504670 37831 0 3 0x10008a sigsusp ksh 37831 73462 3882 0 3 0x9a kqread sshd 3882 188131 1 0 3 0x88 kqread sshd 51998 112850 71899 74 3 0x1100092 bpf pflogd 71899 402709 1 0 3 0x80 netio pflogd 31053 29940 24368 73 3 0x1100090 kqread syslogd 24368 393779 1 0 3 0x100082 netio syslogd 26295 214149 1 0 3 0x100080 kqread resolvd 17655 506090 56822 77 3 0x100092 kqread dhcpleased 47424 99709 56822 77 3 0x100092 kqread dhcpleased 56822 204768 1 0 3 0x80 kqread dhcpleased 32943 419519 0 0 3 0x14200 bored smr 94922 102230 0 0 2 0x14200 zerothread 66964 432636 0 0 3 0x14200 aiodoned aiodoned 77455 24012 0 0 3 0x14200 syncer update 82180 414848 0 0 3 0x14200 cleaner cleaner 37858 80172 0 0 3 0x14200 reaper reaper 16700 403296 0 0 3 0x14200 pgdaemon pagedaemon 3605 229137 0 0 3 0x14200 bored viomb 46561 384407 0 0 3 0x40014200 acpi0 acpi0 75048 68495 0 0 3 0x40014200 idle1 22276 332472 0 0 3 0x14200 bored softnet 90913 155919 0 0 3 0x14200 bored softnet 33957 372852 0 0 3 0x14200 bored softnet 66890 351203 0 0 3 0x14200 bored softnet 14808 2190 0 0 3 0x14200 bored systqmp 37485 421913 0 0 3 0x14200 bored systq 32912 361896 0 0 3 0x40014200 bored softclock 47755 286924 0 0 3 0x40014200 idle0 1 506975 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &inp->inp_mtx r = 0 (0xfffffd8067350c70) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 sys_getsockopt+0x145 sys/kern/uipc_syscalls.c:1275 #4 syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] #4 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 #5 Xsyscall+0x128 Process 9128 (syz-executor.0) thread 0xffff8000213327e0 (23266) shared rwlock netlock r = 0 (0xffffffff8299abf0) #0 witness_lock+0x44d #1 solock_shared+0x64 pru_lock sys/sys/protosw.h:287 [inline] #1 solock_shared+0x64 sys/kern/uipc_socket2.c:371 #2 sys_getsockopt+0x145 sys/kern/uipc_syscalls.c:1275 #3 syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] #3 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 #4 Xsyscall+0x128 exclusive mutex &inp->inp_mtx r = 0 (0xfffffd8067350c70) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 sys_getsockopt+0x145 sys/kern/uipc_syscalls.c:1275 #4 syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] #4 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 #5 Xsyscall+0x128 Process 18010 (syz-executor.4) thread 0xffff800021259268 (446366) exclusive rrwlock inode r = 0 (0xfffffd806e52a700) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 #10 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline] #10 syscall+0x438 sys/arch/amd64/amd64/trap.c:599 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806730bb40) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412 #6 namei+0x36a sys/kern/vfs_lookup.c:244 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 #8 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x438 sys/arch/amd64/amd64/trap.c:599 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10213 6625K 7103K 78643K 14321 0 pcb 15 11K 12K 78643K 201 0 rtable 199 14K 16K 78643K 717 0 ifaddr 78 17K 19K 78643K 213 0 sysctl 2 0K 0K 78643K 2 0 counters 60 35K 36K 78643K 122 0 ioctlops 0 0K 4K 78643K 1604 0 iov 0 0K 24K 78643K 159 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1396 87K 88K 78643K 2726 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 11 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 49 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 16 57K 89K 78643K 1558 0 sigio 0 0K 0K 78643K 16 0 proc 70 91K 128K 78643K 752 0 subproc 104 6K 6K 78643K 182 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 118 0 in_multi 81 5K 7K 78643K 215 0 ether_multi 1 0K 0K 78643K 20 0 mrt 1 0K 0K 78643K 12 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 91 413K 413K 78643K 91 0 exec 0 0K 1K 78643K 611 0 pfkey data 0 0K 0K 78643K 3 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 360 199K 199K 78643K 12676 0 UVM aobj 29 2K 2K 78643K 29 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 56 0 NDP 16 0K 1K 78643K 76 0 temp 138 4694K 4775K 78643K 12193 0 kqueue 13 20K 24K 78643K 124 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> 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 120 143 0 140 3 2 1 3 0 8 0 rtentry 112 210 0 122 4 0 4 4 0 8 0 unpcb 144 518 0 503 8 7 1 4 0 8 0 syncache 296 9 0 9 3 3 0 1 0 8 0 tcpqe 32 70 0 70 3 3 0 1 0 8 0 tcpcb 776 602 0 592 20 15 5 8 0 8 3 arp 120 34 0 18 1 0 1 1 0 8 0 inpcb 368 2589 0 2570 27 19 8 16 0 8 6 nd6 48 48 0 29 1 0 1 1 0 8 0 pkpcb 40 67 0 67 1 1 0 1 0 8 0 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1256 16 0 16 3 3 0 1 0 8 0 pppxif 1448 2 0 2 1 1 0 1 0 8 0 pfstscr 40 34 0 34 1 1 0 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 3 0 2 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 pfanchor 1280 13 0 2 2 1 1 2 0 8 0 pfstitem 24 75 0 44 1 0 1 1 0 8 0 pfstkey 120 143 0 112 2 0 2 2 0 8 0 pfstate 384 109 0 78 5 1 4 5 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 916 0 560 31 3 28 29 0 8 4 art_table 32 917 0 560 4 0 4 4 0 8 0 art_node 16 209 0 132 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 0 1 0 1 1 0 8 0 semupl 112 5 0 5 2 2 0 1 0 8 0 semapl 112 47 0 37 1 0 1 1 0 8 0 shmpl 112 26 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3396 0 1960 91 0 91 91 0 8 0 ffsino 272 3396 0 1960 97 0 97 97 0 8 0 nchpl 144 5567 0 3927 63 0 63 63 0 8 0 uvmvnodes 80 4634 0 0 95 0 95 95 0 8 0 vnodes 216 4634 0 0 258 0 258 258 0 8 0 namei 1024 19965 0 19964 2 1 1 2 0 8 0 percpumem 16 73 0 31 1 0 1 1 0 8 0 vcpupl 2048 8 0 0 1 0 1 1 0 8 0 vmpool 568 12 0 4 1 0 1 1 0 8 0 kstatmem 264 86 0 58 5 2 3 3 0 8 0 scxspl 216 15964 0 15964 12 10 2 8 0 8 2 plimitpl 152 125 0 109 1 0 1 1 0 8 0 sigapl 424 1884 0 1816 10 2 8 8 0 8 0 futexpl 64 12765 0 12759 1 0 1 1 0 8 0 knotepl 120 354 0 0 10 0 10 10 0 8 0 kqueuepl 216 353 0 344 9 8 1 5 0 8 0 pipepl 320 507 0 479 13 10 3 8 0 8 0 fdescpl 496 1846 0 1817 5 1 4 5 0 8 0 filepl 152 12393 0 12147 26 13 13 19 0 8 3 lockfpl 104 345 0 343 1 0 1 1 0 8 0 lockfspl 48 142 0 140 1 0 1 1 0 8 0 sessionpl 144 31 0 14 1 0 1 1 0 8 0 pgrppl 48 98 0 81 1 0 1 1 0 8 0 ucredpl 104 1535 0 1523 1 0 1 1 0 8 0 zombiepl 144 1817 0 1816 1 0 1 1 0 8 0 processpl 1072 1884 0 1816 5 0 5 5 0 8 0 procpl 672 4646 0 4553 12 2 10 10 0 8 1 srpgc 96 12 0 12 3 2 1 1 0 8 1 sosppl 168 13 0 13 1 1 0 1 0 8 0 sockpl 488 3317 0 3280 38 25 13 24 0 8 8 mcl64k 65536 14 0 0 2 0 2 2 0 8 0 mcl16k 16384 9 0 0 2 0 2 2 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 7 0 0 1 0 1 1 0 8 0 mcl8k 8192 14 0 0 2 0 2 2 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 436 0 0 54 0 54 54 0 8 0 mtagpl 96 367 0 0 9 0 9 9 0 8 0 mbufpl 256 734 0 0 44 0 44 44 0 8 0 bufpl 288 6091 0 151 425 0 425 425 0 8 0 anonpl 24 404874 0 388929 138 23 115 131 0 186 1 amapchunkpl 152 35649 0 34816 43 5 38 43 0 158 0 amappl16 200 4637 0 4150 35 9 26 34 0 8 0 amappl15 192 1 0 1 1 1 0 1 0 8 0 amappl14 184 174 0 159 2 1 1 2 0 8 0 amappl13 176 19 0 17 1 0 1 1 0 8 0 amappl12 168 500 0 496 1 0 1 1 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 40 0 29 1 0 1 1 0 8 0 amappl9 144 967 0 967 2 2 0 1 0 8 0 amappl8 136 219 0 161 3 0 3 3 0 8 0 amappl7 128 160 0 137 2 0 2 2 0 8 0 amappl6 120 206 0 191 2 1 1 2 0 8 0 amappl5 112 179 0 168 1 0 1 1 0 8 0 amappl4 104 567 0 536 2 1 1 2 0 8 0 amappl3 96 4918 0 4858 2 0 2 2 0 8 0 amappl2 88 2306 0 2227 3 1 2 3 0 8 0 amappl1 80 44280 0 43468 23 5 18 23 0 8 0 amappl 88 12058 0 11835 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 28 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1858 0 1821 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1858 0 1821 1 0 1 1 0 8 0 vmmpekpl 168 19241 0 19163 4 0 4 4 0 8 0 vmmpepl 168 177247 0 174390 179 43 136 163 0 357 4 vmsppl 368 1857 0 1821 5 1 4 4 0 8 0 rwobjpl 56 53150 0 46735 93 2 91 91 0 8 0 pdppl 4096 3723 0 3650 175 98 77 81 0 8 4 pvpl 32 841957 0 820004 274 66 208 274 0 265 8 pmappl 248 1857 0 1821 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 969 0 127 25 0 25 25 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82935ff0) at x86_ipi_db+0x1a 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+0x23 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:577 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:148 __mp_lock(ffffffff82a31528) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a31528) at __mp_lock+0x133 sys/kern/kern_lock.c:147 syscall(ffff80002e290ba0) at syscall+0x424 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e290ba0) at syscall+0x424 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaf094f9e240, count: 8 ddb{0}> trace x86_ipi_db(ffffffff82935ff0) at x86_ipi_db+0x1a 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+0x23 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:577 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:148 __mp_lock(ffffffff82a31528) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a31528) at __mp_lock+0x133 sys/kern/kern_lock.c:147 syscall(ffff80002e290ba0) at syscall+0x424 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e290ba0) at syscall+0x424 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaf094f9e240, count: -7 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825c433a) at panic+0x177 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82a31730,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a31528) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a31528) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a31528) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 rtfree(fffffd806ef450e0) at rtfree+0x6a sys/net/route.c:501 in_pcbrtentry(fffffd8067350bb0) at in_pcbrtentry+0x5b sys/netinet/in_pcb.c:888 ip6_ctloutput(0,fffffd806fbb9b88,29,2c,fffffd8075519800) at ip6_ctloutput+0x1079 sys/netinet6/ip6_output.c:1511 sys_getsockopt(ffff8000213327e0,ffff80002e379d98,ffff80002e379de0) at sys_getsockopt+0x15e sys/kern/uipc_syscalls.c:1275 syscall(ffff80002e379e60) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e379e60) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe725c1d4a40, count: 5 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825c433a) at panic+0x177 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82a31730,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a31528) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a31528) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a31528) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 rtfree(fffffd806ef450e0) at rtfree+0x6a sys/net/route.c:501 in_pcbrtentry(fffffd8067350bb0) at in_pcbrtentry+0x5b sys/netinet/in_pcb.c:888 ip6_ctloutput(0,fffffd806fbb9b88,29,2c,fffffd8075519800) at ip6_ctloutput+0x1079 sys/netinet6/ip6_output.c:1511 sys_getsockopt(ffff8000213327e0,ffff80002e379d98,ffff80002e379de0) at sys_getsockopt+0x15e sys/kern/uipc_syscalls.c:1275 syscall(ffff80002e379e60) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e379e60) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe725c1d4a40, count: -10