panic: tcp_output Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *390712 3055 32767 0x10 0x4000000 1 syz-executor.0 222176 83608 0 0x14000 0x200 0 reaper db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8257b2ef) at panic+0x177 sys/kern/subr_prf.c:198 tcp_output(ffff800000cb23c0) at tcp_output+0x2cd2 sys/netinet/tcp_output.c:727 tcp_send(fffffd80690cf3e8,fffffd8069833b00,0,fffffd8069e0a100) at tcp_send+0xc4 sys/netinet/tcp_usrreq.c:953 sosend(fffffd80690cf3e8,0,ffff8000261ca820,0,fffffd8069e0a100,0) at sosend+0x62a pru_send sys/sys/protosw.h:331 [inline] sosend(fffffd80690cf3e8,0,ffff8000261ca820,0,fffffd8069e0a100,0) at sosend+0x62a sys/kern/uipc_socket.c:646 sendit(ffff80002c6567e0,3,ffff8000261ca9a0,0,ffff8000261caa90) at sendit+0x65d sys/kern/uipc_syscalls.c:694 sys_sendmsg(ffff80002c6567e0,ffff8000261caa48,ffff8000261caa90) at sys_sendmsg+0x198 sys/kern/uipc_syscalls.c:601 syscall(ffff8000261cab10) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff8000261cab10) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdcfa3ed9320, count: 6 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: tcp_output ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8257b2ef) at panic+0x177 sys/kern/subr_prf.c:198 tcp_output(ffff800000cb23c0) at tcp_output+0x2cd2 sys/netinet/tcp_output.c:727 tcp_send(fffffd80690cf3e8,fffffd8069833b00,0,fffffd8069e0a100) at tcp_send+0xc4 sys/netinet/tcp_usrreq.c:953 sosend(fffffd80690cf3e8,0,ffff8000261ca820,0,fffffd8069e0a100,0) at sosend+0x62a pru_send sys/sys/protosw.h:331 [inline] sosend(fffffd80690cf3e8,0,ffff8000261ca820,0,fffffd8069e0a100,0) at sosend+0x62a sys/kern/uipc_socket.c:646 sendit(ffff80002c6567e0,3,ffff8000261ca9a0,0,ffff8000261caa90) at sendit+0x65d sys/kern/uipc_syscalls.c:694 sys_sendmsg(ffff80002c6567e0,ffff8000261caa48,ffff8000261caa90) at sys_sendmsg+0x198 sys/kern/uipc_syscalls.c:601 syscall(ffff8000261cab10) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff8000261cab10) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdcfa3ed9320, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000261ca480 rbx 0xffff800020dd9b8f rdx 0xffff800000bd1800 rcx 0 rax 0xffff80002c6567e0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa6c0426985faba12 r11 0x46c7fd59c7a541cf r12 0xffff800020dd9990 r13 0 r14 0 r15 0x1 rip 0xffffffff81a16d08 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000261ca470 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=390712 stat=onproc flags process=10 proc=4000000 pri=80, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff80002c656d20,0xffffffff82af9b68 process=0xffff8000fffec440 user=0xffff8000261c5000, vmspace=0xfffffd806c4688b0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 3055 157504 75886 32767 2 0x10 syz-executor.0 * 3055 390712 75886 32767 7 0x4000010 syz-executor.0 17095 391790 94499 32767 2 0x10 syz-executor.6 17095 93308 94499 32767 2 0x4000010 syz-executor.6 66518 214794 24232 32767 2 0x10 syz-executor.5 66518 312141 24232 32767 3 0x4000090 fsleep syz-executor.5 11745 460379 38975 32767 3 0x10 biowait syz-executor.2 38975 179431 54633 0 3 0x82 wait syz-executor.2 74294 64107 0 0 3 0x14200 bored sosplice 44619 159970 92254 32767 3 0x10 biowait syz-executor.7 24232 291801 35554 32767 3 0x90 nanoslp syz-executor.5 92254 295919 54633 0 3 0x82 wait syz-executor.7 94499 104143 47705 32767 3 0x90 nanoslp syz-executor.6 35554 501073 54633 0 3 0x82 wait syz-executor.5 26613 302158 77257 32767 3 0x90 nanoslp syz-executor.3 47705 146623 54633 0 3 0x82 wait syz-executor.6 72988 68217 21667 32767 3 0x10 biowait syz-executor.4 21667 118052 54633 0 3 0x82 wait syz-executor.4 77257 54403 54633 0 3 0x82 wait syz-executor.3 31862 14772 68451 32767 3 0x90 piperd syz-executor.1 75886 46243 11754 32767 3 0x90 nanoslp syz-executor.0 68451 150513 54633 0 3 0x82 wait syz-executor.1 11754 55999 54633 0 3 0x82 wait syz-executor.0 54633 152628 90073 0 3 0x82 wait syz-fuzzer 54633 74261 90073 0 3 0x4000082 nanoslp syz-fuzzer 54633 204169 90073 0 3 0x4000082 kqread syz-fuzzer 54633 307392 90073 0 3 0x4000082 wait syz-fuzzer 54633 440139 90073 0 3 0x4000082 thrsleep syz-fuzzer 54633 48563 90073 0 3 0x4000082 wait syz-fuzzer 54633 325653 90073 0 3 0x4000082 thrsleep syz-fuzzer 54633 297409 90073 0 3 0x4000082 wait syz-fuzzer 54633 149244 90073 0 3 0x4000082 thrsleep syz-fuzzer 54633 213793 90073 0 3 0x4000082 wait syz-fuzzer 54633 422308 90073 0 3 0x4000082 wait syz-fuzzer 54633 231701 90073 0 3 0x4000082 wait syz-fuzzer 54633 148424 90073 0 3 0x4000082 nanoslp syz-fuzzer 54633 281739 90073 0 3 0x4000082 wait syz-fuzzer 54633 184953 90073 0 3 0x4000082 thrsleep syz-fuzzer 54633 128938 90073 0 3 0x4000082 thrsleep syz-fuzzer 90073 423649 76622 0 3 0x10008a sigsusp ksh 76622 411783 11269 0 3 0x9a kqread sshd 50989 170359 1 0 3 0x100083 ttyin getty 11269 463046 1 0 3 0x88 kqread sshd 67454 73361 5477 73 3 0x1100090 kqread syslogd 5477 494798 1 0 3 0x100082 netio syslogd 10447 7065 1 0 3 0x100080 kqread resolvd 19147 23488 42463 77 3 0x100092 kqread dhcpleased 95111 433782 42463 77 3 0x100092 kqread dhcpleased 42463 133960 1 0 3 0x80 kqread dhcpleased 5283 72287 0 0 3 0x14200 bored smr 90161 93831 0 0 2 0x14200 zerothread 648 375830 0 0 3 0x14200 aiodoned aiodoned 18475 99371 0 0 3 0x14200 syncer update 99070 192428 0 0 3 0x14200 cleaner cleaner 83608 222176 0 0 7 0x14200 reaper 50567 15297 0 0 3 0x14200 pgdaemon pagedaemon 22768 84319 0 0 3 0x14200 bored viomb 46865 116339 0 0 3 0x40014200 acpi0 acpi0 95079 59569 0 0 3 0x40014200 idle1 70570 274460 0 0 3 0x14200 bored softnet 22884 268764 0 0 3 0x14200 bored softnet 84173 477035 0 0 3 0x14200 bored softnet 69097 479328 0 0 3 0x14200 bored softnet 83087 464073 0 0 3 0x14200 bored systqmp 79183 70313 0 0 3 0x14200 bored systq 58208 368860 0 0 3 0x40014200 bored softclock 30536 467720 0 0 3 0x40014200 idle0 1 140295 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff82add750) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 uvm_anfree_list+0xa4 sys/uvm/uvm_anon.c:104 #4 amap_wipeout+0x1b1 sys/uvm/uvm_amap.c:504 #5 uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1351 #6 uvm_map_teardown+0x262 sys/uvm/uvm_map.c:2541 #7 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3436 #8 reaper+0x19a sys/kern/kern_exit.c:448 #9 proc_trampoline+0x1c Process 3055 (syz-executor.0) thread 0xffff80002c6567e0 (390712) exclusive rwlock netlock r = 0 (0xffffffff8291ebe0) #0 witness_lock+0x44d #1 sosend+0x500 sys/kern/uipc_socket.c:632 #2 sendit+0x65d sys/kern/uipc_syscalls.c:694 #3 sys_sendmsg+0x198 sys/kern/uipc_syscalls.c:601 #4 syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] #4 syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 #5 Xsyscall+0x128 Process 11745 (syz-executor.2) thread 0xffff80002c656fc0 (460379) exclusive rrwlock inode r = 0 (0xfffffd80694f03c8) #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+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #10 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807bbc75f8) #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+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 44619 (syz-executor.7) thread 0xffff8000ffff1cf0 (159970) exclusive rrwlock inode r = 0 (0xfffffd80696526f8) #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 vget+0x1fc 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:1324 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:560 #11 namei+0x36a sys/kern/vfs_lookup.c:244 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #13 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #13 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069a0c2c0) #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 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 72988 (syz-executor.4) thread 0xffff8000ffff2548 (68217) exclusive rrwlock inode r = 0 (0xfffffd806edc10a0) #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+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #10 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069a0c920) #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+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 83608 (reaper) thread 0xffff800021232a88 (222176) exclusive kernel: protection fault trap, code=0 Faulted in DDB; continuing... ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10196 6410K 6419K 78643K 11293 0 pcb 13 12K 14K 78643K 17 0 rtable 238 6K 7K 78643K 833 0 ifaddr 82 16K 16K 78643K 98 0 sysctl 2 0K 0K 78643K 2 0 counters 56 35K 35K 78643K 60 0 ioctlops 0 0K 2K 78643K 62 0 iov 0 0K 24K 78643K 601 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1271 79K 79K 78643K 1738 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 54 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 1209 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 21 77K 121K 78643K 4023 0 sigio 0 0K 0K 78643K 7 0 proc 56 78K 103K 78643K 799 0 subproc 104 6K 6K 78643K 130 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 280 0 in_multi 99 6K 7K 78643K 200 0 ether_multi 1 0K 0K 78643K 22 0 mrt 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 157 705K 705K 78643K 157 0 exec 0 0K 2K 78643K 1052 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 62K 78643K 8 0 UVM amap 288 85K 101K 78643K 25920 0 UVM aobj 131 4K 4K 78643K 132 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 205 0 NDP 11 0K 2K 78643K 33 0 temp 124 4726K 4806K 78643K 12348 0 kqueue 13 20K 30K 78643K 576 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 120 236 0 233 2 1 1 2 0 8 0 rtentry 112 138 0 26 4 0 4 4 0 8 0 unpcb 144 3416 0 3401 42 38 4 8 0 8 3 syncache 296 49 0 49 10 9 1 1 0 8 1 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 38 0 38 6 5 1 1 0 8 1 tcpcb 768 1833 0 1822 77 71 6 15 0 8 3 arp 120 23 0 4 1 0 1 1 0 8 0 ipq 40 5 0 5 3 2 1 1 0 8 1 ipqe 40 19 0 19 3 2 1 1 0 8 1 inpcb 368 4150 0 4134 69 61 8 14 0 8 6 nd6 48 34 0 9 1 0 1 1 0 8 0 kcovpl 48 10 0 2 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 560 0 105 30 1 29 30 0 8 0 art_table 32 561 0 105 4 0 4 4 0 8 0 art_node 16 137 0 35 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 10 1 1 0 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 1207 0 1197 1 0 1 1 0 8 0 shmpl 112 129 0 1 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 6507 0 5063 91 0 91 91 0 8 0 ffsino 272 6507 0 5063 97 0 97 97 0 8 0 nchpl 144 12095 0 10464 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 39190 0 39188 3 2 1 2 0 8 0 percpumem 16 42 0 2 1 0 1 1 0 8 0 kstatmem 264 26 0 4 2 0 2 2 0 8 0 scxspl 216 40042 0 40039 18 15 3 8 0 8 2 plimitpl 152 925 0 902 6 5 1 2 0 8 0 sigapl 424 4297 0 4246 7 0 7 7 0 8 0 futexpl 64 38086 0 38085 2 1 1 1 0 8 0 knotepl 120 461 0 0 10 0 10 10 0 8 0 kqueuepl 216 1467 0 1458 21 18 3 5 0 8 2 pipepl 320 968 0 940 25 19 6 10 0 8 3 fdescpl 496 4279 0 4247 7 2 5 6 0 8 0 filepl 152 27147 0 26909 57 44 13 19 0 8 3 lockfpl 104 784 0 782 2 1 1 2 0 8 0 lockfspl 48 174 0 172 1 0 1 1 0 8 0 sessionpl 144 25 0 9 1 0 1 1 0 8 0 pgrppl 48 48 0 32 1 0 1 1 0 8 0 ucredpl 104 3874 0 3856 1 0 1 1 0 8 0 zombiepl 144 4247 0 4246 1 0 1 1 0 8 0 processpl 1064 4297 0 4246 5 1 4 5 0 8 0 procpl 672 12339 0 12270 14 6 8 9 0 8 1 sosppl 168 99 0 99 8 7 1 1 0 8 1 sockpl 488 10698 0 10669 180 168 12 28 0 8 8 mcl64k 65536 25 0 0 3 0 3 3 0 8 0 mcl16k 16384 35 0 0 5 2 3 3 0 8 1 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 9 0 0 1 0 1 1 0 8 0 mcl8k 8192 25 0 0 4 1 3 3 0 8 0 mcl4k 4096 18 0 0 3 0 3 3 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 395 0 0 49 0 49 49 0 8 0 mtagpl 96 17 0 0 1 0 1 1 0 8 0 mbufpl 256 612 0 0 31 0 31 31 0 8 0 bufpl 288 10190 0 3863 453 0 453 453 0 8 0 anonpl 24 852594 0 840080 193 96 97 125 0 186 0 amapchunkpl 152 76451 0 75831 83 46 37 40 0 158 8 amappl16 200 12987 0 12608 92 70 22 45 0 8 1 amappl15 192 1706 0 1696 1 0 1 1 0 8 0 amappl14 184 692 0 680 1 0 1 1 0 8 0 amappl13 176 435 0 433 1 0 1 1 0 8 0 amappl12 168 473 0 469 1 0 1 1 0 8 0 amappl11 160 1066 0 1045 1 0 1 1 0 8 0 amappl10 152 28 0 22 2 1 1 1 0 8 0 amappl9 144 989 0 984 1 0 1 1 0 8 0 amappl8 136 679 0 589 4 0 4 4 0 8 0 amappl7 128 160 0 140 1 0 1 1 0 8 0 amappl6 120 743 0 726 2 1 1 2 0 8 0 amappl5 112 3047 0 3030 1 0 1 1 0 8 0 amappl4 104 2542 0 2509 2 0 2 2 0 8 0 amappl3 96 13531 0 13479 2 0 2 2 0 8 0 amappl2 88 949 0 913 2 0 2 2 0 8 0 amappl1 80 108129 0 107451 20 3 17 20 0 8 0 amappl 88 25222 0 25055 6 1 5 5 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 72 131 0 1 3 0 3 3 0 8 0 uaddrrnd 24 4281 0 4249 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4281 0 4249 1 0 1 1 0 8 0 vmmpekpl 168 38073 0 38005 4 0 4 4 0 8 0 vmmpepl 168 422320 0 419809 179 49 130 140 0 357 5 vmsppl 368 4280 0 4249 4 0 4 4 0 8 0 rwobjpl 56 112760 0 105334 111 4 107 108 0 8 0 pdppl 4096 8569 0 8498 179 98 81 93 0 8 10 pvpl 32 1724454 0 1707034 318 146 172 247 0 265 0 pmappl 248 4280 0 4249 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1028 0 167 25 0 25 25 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff829a0ff0) 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+0x2f kd_curproc sys/dev/kcov.c:578 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2f sys/dev/kcov.c:148 msleep_nsec(ffffffff82ba3670,ffffffff829bed40,4,ffffffff8265397f,ffffffffffffffff) at msleep_nsec+0x29 sys/kern/kern_synch.c:274 reaper(ffff800021232a88) at reaper+0xdb sys/kern/kern_exit.c:419 end trace frame: 0x0, count: 9 ddb{0}> trace x86_ipi_db(ffffffff829a0ff0) 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+0x2f kd_curproc sys/dev/kcov.c:578 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2f sys/dev/kcov.c:148 msleep_nsec(ffffffff82ba3670,ffffffff829bed40,4,ffffffff8265397f,ffffffffffffffff) at msleep_nsec+0x29 sys/kern/kern_synch.c:274 reaper(ffff800021232a88) at reaper+0xdb sys/kern/kern_exit.c:419 end trace frame: 0x0, count: -6 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(ffffffff8257b2ef) at panic+0x177 sys/kern/subr_prf.c:198 tcp_output(ffff800000cb23c0) at tcp_output+0x2cd2 sys/netinet/tcp_output.c:727 tcp_send(fffffd80690cf3e8,fffffd8069833b00,0,fffffd8069e0a100) at tcp_send+0xc4 sys/netinet/tcp_usrreq.c:953 sosend(fffffd80690cf3e8,0,ffff8000261ca820,0,fffffd8069e0a100,0) at sosend+0x62a pru_send sys/sys/protosw.h:331 [inline] sosend(fffffd80690cf3e8,0,ffff8000261ca820,0,fffffd8069e0a100,0) at sosend+0x62a sys/kern/uipc_socket.c:646 sendit(ffff80002c6567e0,3,ffff8000261ca9a0,0,ffff8000261caa90) at sendit+0x65d sys/kern/uipc_syscalls.c:694 sys_sendmsg(ffff80002c6567e0,ffff8000261caa48,ffff8000261caa90) at sys_sendmsg+0x198 sys/kern/uipc_syscalls.c:601 syscall(ffff8000261cab10) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff8000261cab10) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdcfa3ed9320, count: 6 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8257b2ef) at panic+0x177 sys/kern/subr_prf.c:198 tcp_output(ffff800000cb23c0) at tcp_output+0x2cd2 sys/netinet/tcp_output.c:727 tcp_send(fffffd80690cf3e8,fffffd8069833b00,0,fffffd8069e0a100) at tcp_send+0xc4 sys/netinet/tcp_usrreq.c:953 sosend(fffffd80690cf3e8,0,ffff8000261ca820,0,fffffd8069e0a100,0) at sosend+0x62a pru_send sys/sys/protosw.h:331 [inline] sosend(fffffd80690cf3e8,0,ffff8000261ca820,0,fffffd8069e0a100,0) at sosend+0x62a sys/kern/uipc_socket.c:646 sendit(ffff80002c6567e0,3,ffff8000261ca9a0,0,ffff8000261caa90) at sendit+0x65d sys/kern/uipc_syscalls.c:694 sys_sendmsg(ffff80002c6567e0,ffff8000261caa48,ffff8000261caa90) at sys_sendmsg+0x198 sys/kern/uipc_syscalls.c:601 syscall(ffff8000261cab10) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff8000261cab10) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdcfa3ed9320, count: -9