login: eͫ\5۱spoi G6OV`;&<bjםQ`xy,8 TC=c|"jjbVܳ.Q`Q \vG)?=M| ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic 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:398 panic(ffffffff823fd74a) at panic+0x15c sys/kern/subr_prf.c:207 witness_checkorder(ffffffff8289dd48,9,0) at witness_checkorder+0x10e0 sys/kern/subr_witness.c:821 __mp_lock(ffffffff8289db40) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff8289db40) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff8289db40) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 pageflttrap(ffff800020da2e20,0) at pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 kerntrap(ffff800020da2e20) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pool_cache_gc(ffffffff828df290) at pool_cache_gc+0x138 pool_cache_list_put sys/kern/subr_pool.c:1970 [inline] pool_cache_gc(ffffffff828df290) at pool_cache_gc+0x138 sys/kern/subr_pool.c:2025 pool_gc_pages(0) at pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 taskq_thread(ffffffff8276b540) at taskq_thread+0xec sys/kern/kern_task.c:437 end trace frame: 0x0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020da2b90 rbx 0xffff800020da2c40 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff821bf62f kprintf+0x16f r9 0x1 r10 0x2 r11 0x68a68acbdfc844b r12 0x3000000008 r13 0xffff800020da2ba0 r14 0x100 r15 0x1 rip 0xffffffff81885bb8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020da2b80 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (systqmp) pid=442540 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020d89380,0xffff800020d88760 process=0xffff800020d8ab88 user=0xffff800020d9e000, vmspace=0xffffffff828fc1f0 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 23658 159008 0 0 3 0x14200 bored sosplice 26730 314881 40598 0 7 0x482 syz-executor.1 62857 321299 40598 0 3 0x82 piperd syz-executor.0 40598 175000 46509 0 3 0x82 kqread syz-fuzzer 40598 333507 46509 0 3 0x4000082 thrsleep syz-fuzzer 40598 173010 46509 0 3 0x4000082 thrsleep syz-fuzzer 40598 204548 46509 0 3 0x4000082 thrsleep syz-fuzzer 40598 308551 46509 0 3 0x4000082 thrsleep syz-fuzzer 40598 261444 46509 0 3 0x4000082 thrsleep syz-fuzzer 40598 229470 46509 0 3 0x4000082 thrsleep syz-fuzzer 40598 324829 46509 0 3 0x4000082 thrsleep syz-fuzzer 40598 112945 46509 0 3 0x4000082 thrsleep syz-fuzzer 40598 380452 46509 0 3 0x4000082 thrsleep syz-fuzzer 46509 192510 46011 0 3 0x10008a pause ksh 46011 242205 42135 0 3 0x92 select sshd 69748 34903 1 0 3 0x100083 ttyin getty 42135 22431 1 0 3 0x80 select sshd 94585 279952 44433 74 3 0x100092 bpf pflogd 44433 417800 1 0 3 0x80 netio pflogd 79584 524172 53501 73 3 0x100090 kqread syslogd 53501 23331 1 0 3 0x100082 netio syslogd 57970 144842 1 77 3 0x100090 poll dhclient 67331 354093 1 0 3 0x80 poll dhclient 67625 308469 0 0 3 0x14200 bored smr 99090 102999 0 0 3 0x14200 pgzero zerothread 46906 302029 0 0 3 0x14200 aiodoned aiodoned 47168 189789 0 0 3 0x14200 syncer update 32959 108520 0 0 3 0x14200 cleaner cleaner 93272 37661 0 0 3 0x14200 reaper reaper 59139 251720 0 0 3 0x14200 pgdaemon pagedaemon 37242 141134 0 0 3 0x14200 bored crynlk 48143 70586 0 0 3 0x14200 bored crypto 12093 372918 0 0 3 0x40014200 acpi0 acpi0 88133 350180 0 0 3 0x40014200 idle1 82318 178115 0 0 3 0x14200 bored softnet * 9052 442540 0 0 7 0x14200 systqmp 16138 194305 0 0 3 0x14200 bored systq 36933 70068 0 0 3 0x40014200 bored softclock 39965 27942 0 0 3 0x40014200 idle0 1 367300 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex mbufpl r = 0 (0xffffffff828df2a0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_cache_gc+0x12d pl_enter sys/kern/subr_pool.c:104 [inline] #3 pool_cache_gc+0x12d pool_cache_list_put sys/kern/subr_pool.c:1968 [inline] #3 pool_cache_gc+0x12d sys/kern/subr_pool.c:2025 #4 pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 #5 taskq_thread+0xec sys/kern/kern_task.c:437 #6 proc_trampoline+0x1c Process 9052 (systqmp) thread 0xffff800020d889c0 (442540) shared rwlock pools r = 0 (0xffffffff827157d0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 pool_gc_pages+0x21 sys/kern/subr_pool.c:1555 #2 taskq_thread+0xec sys/kern/kern_task.c:437 #3 proc_trampoline+0x1c shared rwlock systqmp r = 0 (0xffffffff8276b5b0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 taskq_thread+0xdf sys/kern/kern_task.c:436 #2 proc_trampoline+0x1c exclusive mutex mbufpl r = 0 (0xffffffff828df2a0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_cache_gc+0x12d pl_enter sys/kern/subr_pool.c:104 [inline] #3 pool_cache_gc+0x12d pool_cache_list_put sys/kern/subr_pool.c:1968 [inline] #3 pool_cache_gc+0x12d sys/kern/subr_pool.c:2025 #4 pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 #5 taskq_thread+0xec sys/kern/kern_task.c:437 #6 proc_trampoline+0x1c ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9514 6417K 6611K 78643K 10835 0 pcb 13 8K 8K 78643K 43 0 rtable 117 13K 13K 78643K 421 0 ifaddr 74 15K 15K 78643K 98 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 51 0 ioctlops 0 0K 4K 78643K 1507 0 iov 0 0K 16K 78643K 25 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1340 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 52 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 203 0 sigio 0 0K 0K 78643K 6 0 proc 61 63K 95K 78643K 457 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 17 0 in_multi 53 3K 3K 78643K 66 0 ether_multi 1 0K 0K 78643K 5 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 1K 78643K 222 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 124 23K 23K 78643K 1626 0 UVM aobj 9 6K 6K 78643K 9 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 16 0 NDP 11 0K 0K 78643K 20 0 temp 97 3854K 3929K 78643K 6107 0 kqueue 3 4K 8K 78643K 9 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 arp 64 10 0 3 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 180 0 178 1 0 1 1 0 8 0 rtentry 112 56 0 11 2 0 2 2 0 8 0 unpcb 120 121 0 111 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 101 0 101 2 2 0 1 0 8 0 tcpcb 544 64 0 60 1 0 1 1 0 8 0 inpcb 296 194 0 187 2 1 1 2 0 8 0 nd6 48 7 0 1 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 3 0 1 1 0 1 1 0 8 0 pftag 88 3 0 0 1 0 1 1 0 8 0 pfstitem 24 12 0 10 1 0 1 1 0 8 0 pfstkey 112 12 0 10 1 0 1 1 0 8 0 pfstate 328 12 0 10 1 0 1 1 0 8 0 pfrule 1360 26 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 207 0 10 13 0 13 13 0 8 0 art_table 32 208 0 10 2 0 2 2 0 8 0 art_node 16 55 0 14 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 8 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 46 0 36 1 0 1 1 0 8 0 shmpl 112 7 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1712 0 308 90 1 89 89 0 8 0 ffsino 272 1712 0 308 94 0 94 94 0 8 0 nchpl 144 2195 0 587 60 0 60 60 0 8 0 uvmvnodes 72 1801 0 0 33 0 33 33 0 8 0 vnodes 208 1801 0 0 95 0 95 95 0 8 0 namei 1024 6293 0 6293 2 1 1 1 0 8 1 percpumem 16 36 0 4 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 6322 0 6322 8 7 1 7 0 8 1 plimitpl 152 35 0 27 1 0 1 1 0 8 0 sigapl 424 419 0 387 4 0 4 4 0 8 0 futexpl 56 2980 0 2980 3 2 1 1 0 8 1 knotepl 112 70 0 51 1 0 1 1 0 8 0 kqueuepl 144 24 0 22 1 0 1 1 0 8 0 pipelkpl 48 93 0 83 1 0 1 1 0 8 0 pipepl 120 186 0 167 1 0 1 1 0 8 0 fdescpl 496 403 0 387 3 0 3 3 0 8 0 filepl 152 2640 0 2535 5 0 5 5 0 8 0 lockfpl 104 57 0 56 1 0 1 1 0 8 0 lockfspl 48 21 0 20 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 22 0 11 1 0 1 1 0 8 0 ucredpl 96 563 0 554 1 0 1 1 0 8 0 zombiepl 144 388 0 387 1 0 1 1 0 8 0 processpl 984 419 0 387 5 0 5 5 0 8 0 procpl 624 854 0 813 4 0 4 4 0 8 0 sockpl 400 499 0 480 7 4 3 4 0 8 1 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 167 0 0 20 0 20 20 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 209 0 0 11 0 11 11 0 8 0 bufpl 280 3737 0 133 258 0 258 258 0 8 0 anonpl 16 54729 0 38598 82 16 66 75 0 124 0 amapchunkpl 152 2135 0 1978 9 1 8 9 0 158 0 amappl16 192 2063 0 1194 58 14 44 51 0 8 0 amappl15 184 2 0 1 1 0 1 1 0 8 0 amappl14 176 22 0 19 1 0 1 1 0 8 0 amappl13 168 28 0 25 1 0 1 1 0 8 0 amappl12 160 82 0 80 1 0 1 1 0 8 0 amappl11 152 65 0 49 1 0 1 1 0 8 0 amappl10 144 17 0 13 1 0 1 1 0 8 0 amappl9 136 381 0 380 1 0 1 1 0 8 0 amappl8 128 345 0 311 2 0 2 2 0 8 0 amappl7 120 130 0 116 1 0 1 1 0 8 0 amappl6 112 31 0 24 1 0 1 1 0 8 0 amappl5 104 380 0 363 1 0 1 1 0 8 0 amappl4 96 488 0 461 1 0 1 1 0 8 0 amappl3 88 107 0 102 1 0 1 1 0 8 0 amappl2 80 2277 0 2207 2 0 2 2 0 8 0 amappl1 72 18943 0 18492 23 13 10 18 0 8 0 amappl 80 1104 0 1057 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 8 0 0 1 0 1 1 0 8 0 uaddrrnd 24 403 0 387 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 403 0 387 1 0 1 1 0 8 0 vmmpekpl 168 7102 0 7064 2 0 2 2 0 8 0 vmmpepl 168 56143 0 54111 123 29 94 109 0 357 3 vmsppl 368 402 0 387 2 0 2 2 0 8 0 pdppl 4096 813 0 774 7 1 6 6 0 8 1 pvpl 32 176028 0 156747 200 39 161 180 0 265 3 pmappl 232 402 0 387 2 1 1 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 263 0 10 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff8273dff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff8289db40) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8289db40) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff8289db40,1) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff8000230fd9f0,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff8000230fd9f0,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff8000230fd9f0,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 tsleep(ffffffff8279a14c,120,ffffffff823d9012,2) at tsleep+0x1cc sys/kern/kern_synch.c:155 sys_nanosleep(ffff800020ddd5f8,ffff8000230fdb20,ffff8000230fdb70) at sys_nanosleep+0x205 sys/kern/kern_time.c:297 syscall(ffff8000230fdbf0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000230fdbf0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe2930, count: 3 ddb{0}> trace x86_ipi_db(ffffffff8273dff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff8289db40) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8289db40) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff8289db40,1) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff8000230fd9f0,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff8000230fd9f0,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff8000230fd9f0,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 tsleep(ffffffff8279a14c,120,ffffffff823d9012,2) at tsleep+0x1cc sys/kern/kern_synch.c:155 sys_nanosleep(ffff800020ddd5f8,ffff8000230fdb20,ffff8000230fdb70) at sys_nanosleep+0x205 sys/kern/kern_time.c:297 syscall(ffff8000230fdbf0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000230fdbf0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe2930, count: -12 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:398 panic(ffffffff823fd74a) at panic+0x15c sys/kern/subr_prf.c:207 witness_checkorder(ffffffff8289dd48,9,0) at witness_checkorder+0x10e0 sys/kern/subr_witness.c:821 __mp_lock(ffffffff8289db40) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff8289db40) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff8289db40) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 pageflttrap(ffff800020da2e20,0) at pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 kerntrap(ffff800020da2e20) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pool_cache_gc(ffffffff828df290) at pool_cache_gc+0x138 pool_cache_list_put sys/kern/subr_pool.c:1970 [inline] pool_cache_gc(ffffffff828df290) at pool_cache_gc+0x138 sys/kern/subr_pool.c:2025 pool_gc_pages(0) at pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 taskq_thread(ffffffff8276b540) at taskq_thread+0xec sys/kern/kern_task.c:437 end trace frame: 0x0, count: 5 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff823fd74a) at panic+0x15c sys/kern/subr_prf.c:207 witness_checkorder(ffffffff8289dd48,9,0) at witness_checkorder+0x10e0 sys/kern/subr_witness.c:821 __mp_lock(ffffffff8289db40) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff8289db40) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff8289db40) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 pageflttrap(ffff800020da2e20,0) at pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 kerntrap(ffff800020da2e20) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pool_cache_gc(ffffffff828df290) at pool_cache_gc+0x138 pool_cache_list_put sys/kern/subr_pool.c:1970 [inline] pool_cache_gc(ffffffff828df290) at pool_cache_gc+0x138 sys/kern/subr_pool.c:2025 pool_gc_pages(0) at pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 taskq_thread(ffffffff8276b540) at taskq_thread+0xec sys/kern/kern_task.c:437 end trace frame: 0x0, count: -10