panic: apcaqnuiic:ri nkg ebrloncekla b l e sl ee p l o c k w i t h s p i n l oc k o r cr i ti c a l s ec t i on h el d ( k e r n e dl_ilagoncok)s t ic a s se r t i on " ! _k e r n e l_ l o c k &_kheelrdn(e)l_"flaoilcked : Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *122406 37712 32767 0x10 0x4000000 0 syz-executor.3 10278 47011 0 0x14000 0x200 1 reaper db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a183e) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82a73908,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a73700) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a73700) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a73700) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd807d456358) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd807d456358) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd807d456240) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 udp_sbappend(fffffd806f676ea0,fffffd8067e85b00,fffffd806072f4b0,0,14,fffffd806072f4c4,c680a7f2d7c61057,0) at udp_sbappend+0x3b1 sys/netinet/udp_usrreq.c:638 udp_input(ffff800024676608,ffff800024676614,11,2) at udp_input+0xbcb sys/netinet/udp_usrreq.c:427 ip_deliver(ffff800024676608,ffff800024676614,11,2) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip_ours(ffff800024676608,ffff800024676614,ffff80002488f000,0) at ip_ours+0x3ba sys/netinet/ip_input.c:616 ip_input_if(ffff800024676608,ffff800024676614,4,0,ffff800000689000) at ip_input_if+0x2a1 ipv4_input(ffff800000689000,fffffd806072f400) at ipv4_input+0x48 sys/netinet/ip_input.c:242 if_input_local(ffff800000689000,fffffd806072f400,2) at if_input_local+0x10e sys/net/if.c:774 ip_output(fffffd806112b600,0,fffffd806f676078,0,0,fffffd806f676000,5b96b22f53d8cb5b) at ip_output+0xb05 ip_mloopback sys/netinet/ip_output.c:1791 [inline] ip_output(fffffd806112b600,0,fffffd806f676078,0,0,fffffd806f676000,5b96b22f53d8cb5b) at ip_output+0xb05 sys/netinet/ip_output.c:332 end trace frame: 0xffff800024676880, 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 cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_map.c", line 2734 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a183e) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82a73908,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a73700) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a73700) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a73700) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd807d456358) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd807d456358) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd807d456240) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 udp_sbappend(fffffd806f676ea0,fffffd8067e85b00,fffffd806072f4b0,0,14,fffffd806072f4c4,c680a7f2d7c61057,0) at udp_sbappend+0x3b1 sys/netinet/udp_usrreq.c:638 udp_input(ffff800024676608,ffff800024676614,11,2) at udp_input+0xbcb sys/netinet/udp_usrreq.c:427 ip_deliver(ffff800024676608,ffff800024676614,11,2) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip_ours(ffff800024676608,ffff800024676614,ffff80002488f000,0) at ip_ours+0x3ba sys/netinet/ip_input.c:616 ip_input_if(ffff800024676608,ffff800024676614,4,0,ffff800000689000) at ip_input_if+0x2a1 ipv4_input(ffff800000689000,fffffd806072f400) at ipv4_input+0x48 sys/netinet/ip_input.c:242 if_input_local(ffff800000689000,fffffd806072f400,2) at if_input_local+0x10e sys/net/if.c:774 ip_output(fffffd806112b600,0,fffffd806f676078,0,0,fffffd806f676000,5b96b22f53d8cb5b) at ip_output+0xb05 ip_mloopback sys/netinet/ip_output.c:1791 [inline] ip_output(fffffd806112b600,0,fffffd806f676078,0,0,fffffd806f676000,5b96b22f53d8cb5b) at ip_output+0xb05 sys/netinet/ip_output.c:332 udp_output(fffffd806f676000,fffffd806112b600,0,0) at udp_output+0x58d sys/netinet/udp_usrreq.c:1011 sosend(fffffd807d456600,0,ffff800024676a18,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582 dofilewritev(ffff8000ffff6fd0,4,ffff800024676a18,0,ffff800024676b10) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_write(ffff8000ffff6fd0,ffff800024676ab8,ffff800024676b10) at sys_write+0x83 sys/kern/sys_generic.c:301 syscall(ffff800024676b80) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800024676b80) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6becacc3700, count: -20 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800024676040 rbx 0xffffffff828f2bff cpu_info_full_primary+0x2bff rdx 0xffff800000bca680 rcx 0 rax 0xffff8000ffff6fd0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe73eea002c5ec715 r11 0x3ba0d3c12d1f8d1f r12 0xffffffff828f2a00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff819ed3a8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800024676030 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.3) pid=122406 stat=onproc flags process=10 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800027abfce8,0xffffffff82b20cb0 process=0xffff8000ffff2580 user=0xffff800024671000, vmspace=0xfffffd80670f3468 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 37712 209145 14206 32767 2 0x10 syz-executor.3 *37712 122406 14206 32767 7 0x4000010 syz-executor.3 53060 110206 47946 32767 3 0x90 nanoslp syz-executor.6 53060 308974 47946 32767 3 0x4000090 piperd syz-executor.6 53060 297010 47946 32767 3 0x4000090 fsleep syz-executor.6 42382 12207 87219 32767 3 0x10 biowait syz-executor.7 87219 65773 98688 0 3 0x82 wait syz-executor.7 53025 153245 68159 32767 3 0x90 piperd syz-executor.1 68159 248262 98688 0 3 0x82 wait syz-executor.1 47946 171616 3513 32767 3 0x90 nanoslp syz-executor.6 3513 95975 98688 0 3 0x82 wait syz-executor.6 81352 335762 14668 32767 3 0x90 nanoslp syz-executor.0 14668 130137 98688 0 3 0x82 wait syz-executor.0 38843 137636 54018 32767 3 0x90 piperd syz-executor.5 54018 347426 98688 0 3 0x82 wait syz-executor.5 21351 36931 47317 32767 3 0x90 piperd syz-executor.2 47317 507931 98688 0 3 0x82 wait syz-executor.2 14206 521452 6797 32767 2 0x490 syz-executor.3 6797 351181 98688 0 3 0x82 wait syz-executor.3 30767 137601 87025 32767 3 0x90 nanoslp syz-executor.4 87025 313392 98688 0 3 0x82 wait syz-executor.4 50944 110158 0 0 3 0x14200 bored sosplice 98688 107397 86226 0 3 0x82 thrsleep syz-fuzzer 98688 521657 86226 0 3 0x4000082 nanoslp syz-fuzzer 98688 302593 86226 0 2 0x4000082 syz-fuzzer 98688 351874 86226 0 3 0x4000082 thrsleep syz-fuzzer 98688 461730 86226 0 3 0x4000082 thrsleep syz-fuzzer 98688 484094 86226 0 3 0x4000082 thrsleep syz-fuzzer 98688 45055 86226 0 3 0x4000082 thrsleep syz-fuzzer 98688 120042 86226 0 3 0x4000082 kqread syz-fuzzer 98688 295856 86226 0 3 0x4000082 thrsleep syz-fuzzer 86226 342911 83058 0 3 0x10008a sigsusp ksh 83058 101009 33710 0 2 0x9a sshd 62988 420929 1 0 3 0x100083 ttyin getty 33710 387601 1 0 3 0x88 kqread sshd 85255 422372 53909 73 3 0x1100090 kqread syslogd 53909 252153 1 0 3 0x100082 netio syslogd 32257 179184 1 0 3 0x100080 kqread resolvd 14473 66139 96004 77 3 0x100092 kqread dhcpleased 75987 327126 96004 77 3 0x100092 kqread dhcpleased 96004 92790 1 0 3 0x80 kqread dhcpleased 77521 88357 0 0 3 0x14200 bored smr 98611 117929 0 0 2 0x14200 zerothread 20929 357438 0 0 3 0x14200 aiodoned aiodoned 46190 160874 0 0 3 0x14200 syncer update 12886 317179 0 0 3 0x14200 cleaner cleaner 47011 10278 0 0 7 0x14200 reaper 37640 243547 0 0 3 0x14200 pgdaemon pagedaemon 47166 310788 0 0 3 0x14200 bored viomb 52553 208049 0 0 3 0x40014200 acpi0 acpi0 64176 290145 0 0 3 0x40014200 idle1 98800 494103 0 0 3 0x14200 bored softnet 50572 503176 0 0 3 0x14200 bored systqmp 95899 212864 0 0 3 0x14200 bored systq 61950 181710 0 0 3 0x40014200 bored softclock 52280 36054 0 0 3 0x40014200 idle0 1 501880 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &table->inpt_mtx r = 0 (0xffffffff829cb1d0) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 udp_input+0x7b0 #4 ip_deliver+0x322 sys/netinet/ip_input.c:657 #5 ip_ours+0x3ba sys/netinet/ip_input.c:616 #6 ip_input_if+0x2a1 #7 ipv4_input+0x48 sys/netinet/ip_input.c:242 #8 if_input_local+0x10e sys/net/if.c:774 #9 ip_output+0xb05 ip_mloopback sys/netinet/ip_output.c:1791 [inline] #9 ip_output+0xb05 sys/netinet/ip_output.c:332 #10 udp_output+0x58d sys/netinet/udp_usrreq.c:1011 #11 sosend+0x632 sys/kern/uipc_socket.c:582 #12 dofilewritev+0x19c sys/kern/sys_generic.c:381 #13 sys_write+0x83 sys/kern/sys_generic.c:301 #14 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #14 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #15 Xsyscall+0x128 Process 37712 (syz-executor.3) thread 0xffff8000ffff6fd0 (122406) exclusive rwlock netlock r = 0 (0xffffffff828ee470) #0 witness_lock+0x44d #1 solock+0x86 sys/kern/uipc_socket2.c:295 #2 sosend+0x517 sys/kern/uipc_socket.c:570 #3 dofilewritev+0x19c sys/kern/sys_generic.c:381 #4 sys_write+0x83 sys/kern/sys_generic.c:301 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 exclusive mutex &table->inpt_mtx r = 0 (0xffffffff829cb1d0) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 udp_input+0x7b0 #4 ip_deliver+0x322 sys/netinet/ip_input.c:657 #5 ip_ours+0x3ba sys/netinet/ip_input.c:616 #6 ip_input_if+0x2a1 #7 ipv4_input+0x48 sys/netinet/ip_input.c:242 #8 if_input_local+0x10e sys/net/if.c:774 #9 ip_output+0xb05 ip_mloopback sys/netinet/ip_output.c:1791 [inline] #9 ip_output+0xb05 sys/netinet/ip_output.c:332 #10 udp_output+0x58d sys/netinet/udp_usrreq.c:1011 #11 sosend+0x632 sys/kern/uipc_socket.c:582 #12 dofilewritev+0x19c sys/kern/sys_generic.c:381 #13 sys_write+0x83 sys/kern/sys_generic.c:301 #14 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #14 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #15 Xsyscall+0x128 Process 42382 (syz-executor.7) thread 0xffff8000fffee7e8 (12207) exclusive rrwlock inode r = 0 (0xfffffd806e641b38) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vget+0x1d3 sys/kern/vfs_subr.c:677 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318 #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:561 #11 namei+0x36a sys/kern/vfs_lookup.c:245 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e64ab40) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10214 6413K 6419K 78643K 11459 0 pcb 13 12K 14K 78643K 17 0 rtable 270 7K 8K 78643K 5551 0 ifaddr 81 17K 17K 78643K 441 0 sysctl 3 1K 3K 78643K 134 0 counters 56 35K 35K 78643K 158 0 ioctlops 0 0K 2K 78643K 357 0 iov 0 0K 32K 78643K 6983 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1271 79K 79K 78643K 11427 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 13K 78643K 431 0 VM map 2 1K 1K 78643K 2 0 sem 10 1K 1K 78643K 23 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 20 73K 121K 78643K 46340 0 sigio 0 0K 0K 78643K 659 0 proc 56 74K 123K 78643K 5160 0 subproc 104 6K 6K 78643K 767 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 3497 0 in_multi 99 6K 7K 78643K 1146 0 ether_multi 1 0K 0K 78643K 185 0 mrt 3 0K 0K 78643K 6 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 301 1341K 1341K 78643K 301 0 exec 0 0K 2K 78643K 8623 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 7 26K 26K 78643K 7 0 UVM amap 477 101K 118K 78643K 598500 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 1320 0 NDP 11 0K 2K 78643K 180 0 temp 125 4711K 4839K 78643K 113426 0 kqueue 13 20K 30K 78643K 4142 0 SYN cache 2 16K 16K 78643K 2 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 3644 0 3641 41 40 1 3 0 8 0 rtentry 112 747 0 621 4 0 4 4 0 8 0 unpcb 136 33465 0 33452 291 290 1 9 0 8 0 syncache 296 445 0 445 83 82 1 1 0 8 1 sackhl 24 2 0 2 2 2 0 1 0 8 0 tcpqe 32 396 0 396 49 49 0 1 0 8 0 tcpcb 736 18036 0 18022 539 537 2 20 0 8 0 arp 120 127 0 109 1 0 1 1 0 8 0 ipq 40 50 0 50 26 26 0 1 0 8 0 ipqe 40 530 0 530 26 26 0 1 0 8 0 inpcb 312 38408 0 38398 520 514 6 17 0 8 5 rttmr 72 13 0 13 3 3 0 1 0 8 0 ip6q 72 78 0 77 22 21 1 1 0 8 0 ip6af 40 150 0 149 22 21 1 1 0 8 0 nd6 48 244 0 204 1 0 1 1 0 8 0 kcovpl 48 59 0 51 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 3134 0 2513 46 5 41 41 0 8 0 art_table 32 3135 0 2513 6 0 6 6 0 8 0 art_node 16 746 0 630 1 0 1 1 0 8 0 sysvmsgpl 40 42 0 31 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 8 0 0 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 68733 0 67251 94 0 94 94 0 8 0 ffsino 272 68733 0 67251 100 0 100 100 0 8 0 nchpl 144 141619 0 139987 63 1 62 63 0 8 0 uvmvnodes 80 6742 0 0 138 0 138 138 0 8 0 vnodes 224 6742 0 0 397 0 397 397 0 8 0 namei 1024 489910 0 489910 30 29 1 2 0 8 1 percpumem 16 91 0 51 1 0 1 1 0 8 0 scxspl 216 424044 0 424043 177 176 1 8 0 8 0 plimitpl 152 10756 0 10733 41 40 1 2 0 8 0 sigapl 424 46512 0 46464 7 1 6 7 0 8 0 futexpl 64 415529 0 415528 30 29 1 1 0 8 0 knotepl 120 3190 0 0 29 7 22 24 0 8 0 kqueuepl 216 15764 0 15755 268 267 1 8 0 8 0 pipepl 336 10809 0 10780 312 309 3 13 0 8 0 fdescpl 496 46497 0 46466 7 2 5 6 0 8 0 filepl 152 360624 0 360385 499 487 12 22 0 8 2 lockfpl 104 6340 0 6338 5 4 1 2 0 8 0 lockfspl 48 1980 0 1978 1 0 1 1 0 8 0 sessionpl 144 74 0 58 1 0 1 1 0 8 0 pgrppl 48 606 0 590 1 0 1 1 0 8 0 ucredpl 96 59143 0 59125 1 0 1 1 0 8 0 zombiepl 144 46466 0 46464 10 9 1 1 0 8 0 processpl 1064 46512 0 46464 5 1 4 4 0 8 0 procpl 672 137011 0 136949 74 67 7 8 0 8 1 sosppl 168 632 0 632 70 70 0 1 0 8 0 sockpl 480 76743 0 76714 1507 1494 13 34 0 8 8 mcl64k 65536 129 0 0 6 3 3 3 0 8 0 mcl16k 16384 65 0 0 6 3 3 3 0 8 0 mcl12k 12288 113 0 0 4 2 2 2 0 8 0 mcl9k 9216 73 0 0 3 1 2 2 0 8 0 mcl8k 8192 82 0 0 6 3 3 3 0 8 0 mcl4k 4096 113 0 0 6 3 3 3 0 8 0 mcl2k2 2112 26 0 0 2 0 2 2 0 8 0 mcl2k 2048 854 0 0 23 6 17 21 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 5990 0 0 234 3 231 231 0 8 0 bufpl 288 82795 0 76052 482 0 482 482 0 8 0 anonpl 24 13700669 0 13686168 453 336 117 144 0 186 0 amapchunkpl 152 1544076 0 1543327 568 533 35 49 0 158 0 amappl16 200 143105 0 142756 666 644 22 46 0 8 0 amappl15 192 11452 0 11445 1 0 1 1 0 8 0 amappl14 184 6094 0 6085 1 0 1 1 0 8 0 amappl13 176 2892 0 2888 1 0 1 1 0 8 0 amappl12 168 4234 0 4229 1 0 1 1 0 8 0 amappl11 160 2390 0 2378 1 0 1 1 0 8 0 amappl10 152 3827 0 3819 1 0 1 1 0 8 0 amappl9 144 12520 0 12517 1 0 1 1 0 8 0 amappl8 136 8065 0 7815 10 1 9 9 0 8 0 amappl7 128 4762 0 4748 1 0 1 1 0 8 0 amappl6 120 12423 0 12395 5 3 2 2 0 8 0 amappl5 112 48155 0 48132 1 0 1 1 0 8 0 amappl4 104 8117 0 8087 1 0 1 1 0 8 0 amappl3 96 9998 0 9981 1 0 1 1 0 8 0 amappl2 88 8072 0 8018 3 1 2 3 0 8 0 amappl1 80 836519 0 835913 26 11 15 18 0 8 0 amappl 88 595241 0 594982 8 0 8 8 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 46497 0 46465 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 46497 0 46465 1 0 1 1 0 8 0 vmmpekpl 168 374636 0 374582 3 0 3 3 0 8 0 vmmpepl 168 4263332 0 4260724 517 385 132 151 0 357 0 vmsppl 368 46496 0 46465 4 0 4 4 0 8 0 rwobjpl 56 1043110 0 1034762 159 40 119 120 0 8 0 pdppl 4096 93001 0 92930 1168 1087 81 93 0 8 10 pvpl 32 22573086 0 22553138 1361 1144 217 257 0 265 27 pmappl 248 46496 0 46465 4 1 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 3583 0 2504 33 1 32 32 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a183e) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82a73908,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a73700) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a73700) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a73700) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd807d456358) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd807d456358) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd807d456240) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 udp_sbappend(fffffd806f676ea0,fffffd8067e85b00,fffffd806072f4b0,0,14,fffffd806072f4c4,c680a7f2d7c61057,0) at udp_sbappend+0x3b1 sys/netinet/udp_usrreq.c:638 udp_input(ffff800024676608,ffff800024676614,11,2) at udp_input+0xbcb sys/netinet/udp_usrreq.c:427 ip_deliver(ffff800024676608,ffff800024676614,11,2) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip_ours(ffff800024676608,ffff800024676614,ffff80002488f000,0) at ip_ours+0x3ba sys/netinet/ip_input.c:616 ip_input_if(ffff800024676608,ffff800024676614,4,0,ffff800000689000) at ip_input_if+0x2a1 ipv4_input(ffff800000689000,fffffd806072f400) at ipv4_input+0x48 sys/netinet/ip_input.c:242 if_input_local(ffff800000689000,fffffd806072f400,2) at if_input_local+0x10e sys/net/if.c:774 ip_output(fffffd806112b600,0,fffffd806f676078,0,0,fffffd806f676000,5b96b22f53d8cb5b) at ip_output+0xb05 ip_mloopback sys/netinet/ip_output.c:1791 [inline] ip_output(fffffd806112b600,0,fffffd806f676078,0,0,fffffd806f676000,5b96b22f53d8cb5b) at ip_output+0xb05 sys/netinet/ip_output.c:332 udp_output(fffffd806f676000,fffffd806112b600,0,0) at udp_output+0x58d sys/netinet/udp_usrreq.c:1011 sosend(fffffd807d456600,0,ffff800024676a18,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582 dofilewritev(ffff8000ffff6fd0,4,ffff800024676a18,0,ffff800024676b10) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_write(ffff8000ffff6fd0,ffff800024676ab8,ffff800024676b10) at sys_write+0x83 sys/kern/sys_generic.c:301 syscall(ffff800024676b80) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800024676b80) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6becacc3700, count: -20 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020ce8ff0) 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 kputchar(66,14,0) at kputchar+0x3f sys/kern/subr_prf.c:358 kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1068 db_printf(ffffffff82607594) at db_printf+0x85 sys/kern/subr_prf.c:502 panic(ffffffff8258e8f2) at panic+0xd7 sys/kern/subr_prf.c:220 __assert(ffffffff82601511,ffffffff826271db,aae,ffffffff825bd978) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_map_teardown(fffffd80670f3e78) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736 uvmspace_free(fffffd80670f3e78) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f97a0) at reaper+0x18b sys/kern/kern_exit.c:457 end trace frame: 0x0, count: 3 ddb{1}> trace x86_ipi_db(ffff800020ce8ff0) 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 kputchar(66,14,0) at kputchar+0x3f sys/kern/subr_prf.c:358 kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1068 db_printf(ffffffff82607594) at db_printf+0x85 sys/kern/subr_prf.c:502 panic(ffffffff8258e8f2) at panic+0xd7 sys/kern/subr_prf.c:220 __assert(ffffffff82601511,ffffffff826271db,aae,ffffffff825bd978) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_map_teardown(fffffd80670f3e78) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736 uvmspace_free(fffffd80670f3e78) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f97a0) at reaper+0x18b sys/kern/kern_exit.c:457 end trace frame: 0x0, count: -12