uvm_fault(0xffffffff82862b80, 0xfffffd0000000018, 0, 1) -> e kernel: page fault trap, code=0 Stopped at sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff82862b80, 0xfffffd0000000018, 0, 1) -> e sbdrop(fffffd806f689190,fffffd806f689288,7ac) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 end trace frame: 0xffff800020db9340, count: 0 ddb{0}> trace sbdrop(fffffd806f689190,fffffd806f689288,7ac) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 tcp_input(ffff800020db9508,ffff800020db9514,6,2) at tcp_input+0x3d76 sys/netinet/tcp_input.c:1725 ip_deliver(ffff800020db9508,ffff800020db9514,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020db9508,ffff800020db9514,ffff800020d984e0,0) at ip_ours+0x412 ip_input_if(ffff800020db9508,ffff800020db9514,4,0,ffff80000017b2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017b2a8,fffffd807f01ff00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 ether_input(ffff80000017b2a8,fffffd807f01ff00,0) at ether_input+0x345 sys/net/if_ethersubr.c:461 if_input_process(ffff80000017b2a8,ffff800020db9638) at if_input_process+0x10b if_ih_input sys/net/if.c:908 [inline] if_input_process(ffff80000017b2a8,ffff800020db9638) at if_input_process+0x10b sys/net/if.c:942 ifiq_process(ffff80000017b6a0) at ifiq_process+0x80 sys/net/ifq.c:646 taskq_thread(ffff80000002c000) at taskq_thread+0xec sys/kern/kern_task.c:437 end trace frame: 0x0, count: -10 ddb{0}> show registers rdi 0 rsi 0x580 rbp 0xffff800020db91a0 rbx 0 rdx 0xffffffff8290d930 mclpools rcx 0 rax 0 r8 0xffffffff81efba38 sbdrop+0x248 r9 0x3 r10 0x6186ebf52dee17ff r11 0x788eab83b359c297 r12 0x580 r13 0x1100 __ALIGN_SIZE+0x100 r14 0xfffffd806f689288 r15 0xfffffd0000000000 rip 0xffffffff81efba09 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020db9140 ss 0 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{0}> show proc PROC (softnet) pid=474453 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020d98ea0,0xffff800020d98010 process=0xffff800020d9ab88 user=0xffff800020db4000, vmspace=0xffffffff82898518 estcpu=0, cpticks=1, pctcpu=0.68 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 20679 179629 18772 0 2 0 syz-executor.0 20679 227244 18772 0 3 0x4000080 piperd syz-executor.0 17301 156704 94015 0 2 0 syz-executor.1 17301 523021 94015 0 3 0x4000080 fsleep syz-executor.1 94015 362190 96121 0 2 0x482 syz-executor.1 94931 254527 0 0 3 0x14280 nfsidl nfsio 14013 83836 0 0 3 0x14280 nfsidl nfsio 28803 430108 0 0 3 0x14280 nfsidl nfsio 26736 103160 0 0 3 0x14280 nfsidl nfsio 40336 86720 0 0 3 0x14280 nfsidl nfsio 75816 283917 0 0 3 0x14280 nfsidl nfsio 27218 402576 0 0 3 0x14280 nfsidl nfsio 85907 335246 0 0 3 0x14280 nfsidl nfsio 94279 262814 0 0 3 0x14280 nfsidl nfsio 29223 30459 0 0 3 0x14280 nfsidl nfsio 19671 17167 0 0 3 0x14280 nfsidl nfsio 12147 251655 0 0 3 0x14280 nfsidl nfsio 56628 405634 0 0 3 0x14280 nfsidl nfsio 37406 409211 0 0 3 0x14280 nfsidl nfsio 50455 228805 0 0 3 0x14280 nfsidl nfsio 15573 338932 0 0 3 0x14280 nfsidl nfsio 7834 57201 0 0 3 0x14280 nfsidl nfsio 15779 24716 0 0 3 0x14280 nfsidl nfsio 10284 39750 0 0 3 0x14280 nfsidl nfsio 1875 384006 0 0 3 0x14280 nfsidl nfsio 52004 73767 0 0 3 0x14200 bored sosplice 18772 476107 96121 0 3 0x82 nanosleep syz-executor.0 96121 102884 89858 0 3 0x82 thrsleep syz-fuzzer 96121 325855 89858 0 7 0x4000482 syz-fuzzer 96121 489709 89858 0 3 0x4000082 thrsleep syz-fuzzer 96121 399394 89858 0 3 0x4000082 thrsleep syz-fuzzer 96121 26742 89858 0 3 0x4000082 thrsleep syz-fuzzer 96121 13699 89858 0 3 0x4000082 thrsleep syz-fuzzer 96121 50740 89858 0 3 0x4000082 kqread syz-fuzzer 96121 245740 89858 0 3 0x4000082 thrsleep syz-fuzzer 96121 419387 89858 0 3 0x4000082 thrsleep syz-fuzzer 96121 164218 89858 0 3 0x4000082 thrsleep syz-fuzzer 89858 360304 89389 0 3 0x10008a pause ksh 89389 41741 96046 0 3 0x92 select sshd 87015 149476 1 0 3 0x100083 ttyin getty 96046 412773 1 0 3 0x80 select sshd 59059 301543 10590 74 3 0x100092 bpf pflogd 10590 501033 1 0 3 0x80 netio pflogd 12189 84263 31426 73 3 0x100090 kqread syslogd 31426 231865 1 0 3 0x100082 netio syslogd 78981 424801 1 77 3 0x100090 poll dhclient 76333 299020 1 0 3 0x80 poll dhclient 17491 202448 0 0 3 0x14200 bored smr 55460 360890 0 0 2 0x14200 zerothread 64546 109147 0 0 3 0x14200 aiodoned aiodoned 3289 115963 0 0 3 0x14200 syncer update 58311 386998 0 0 3 0x14200 cleaner cleaner 70806 489866 0 0 3 0x14200 reaper reaper 58300 176 0 0 3 0x14200 pgdaemon pagedaemon 281 175656 0 0 3 0x14200 bored crynlk 30847 124698 0 0 3 0x14200 bored crypto 37089 325923 0 0 3 0x40014200 acpi0 acpi0 94834 360274 0 0 3 0x40014200 idle1 *82825 474453 0 0 7 0x14200 softnet 92398 359302 0 0 3 0x14200 bored systqmp 55706 152730 0 0 3 0x14200 bored systq 73382 127490 0 0 3 0x40014200 bored softclock 99246 117696 0 0 3 0x40014200 idle0 1 192528 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 82825 (softnet) thread 0xffff800020d984e0 (474453) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828a4478) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 #2 kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 #3 alltraps_kern_meltdown+0x7b #4 sbdrop+0x219 sys/kern/uipc_socket2.c:965 #5 tcp_input+0x3d76 sys/netinet/tcp_input.c:1725 #6 ip_deliver+0x353 sys/netinet/ip_input.c:668 #7 ip_ours+0x412 #8 ip_input_if+0x6ce #9 ipv4_input+0x48 sys/netinet/ip_input.c:215 #10 ether_input+0x345 sys/net/if_ethersubr.c:461 #11 if_input_process+0x10b if_ih_input sys/net/if.c:908 [inline] #11 if_input_process+0x10b sys/net/if.c:942 #12 ifiq_process+0x80 sys/net/ifq.c:646 #13 taskq_thread+0xec sys/kern/kern_task.c:437 #14 proc_trampoline+0x1c exclusive rwlock netlock r = 0 (0xffffffff82743e88) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 if_input_process+0x85 sys/net/if.c:941 #2 ifiq_process+0x80 sys/net/ifq.c:646 #3 taskq_thread+0xec sys/kern/kern_task.c:437 #4 proc_trampoline+0x1c shared rwlock softnet r = 0 (0xffff80000002c070) #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9500 6416K 6658K 78643K 11031 0 pcb 13 8K 8K 78643K 51 0 rtable 72 3K 4K 78643K 276 0 ifaddr 52 10K 12K 78643K 81 0 counters 41 33K 33K 78643K 47 0 ioctlops 0 0K 4K 78643K 1488 0 iov 0 0K 12K 78643K 14 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 76K 77K 78643K 1318 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 1K 1K 78643K 24 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 6 17K 25K 78643K 227 0 sigio 0 0K 0K 78643K 2 0 proc 61 63K 83K 78643K 498 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 14 0 in_multi 24 1K 2K 78643K 70 0 ether_multi 1 0K 0K 78643K 7 0 mrt 0 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 37 175K 175K 78643K 37 0 exec 0 0K 1K 78643K 234 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 121 22K 31K 78643K 1687 0 UVM aobj 13 2K 2K 78643K 13 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 33 0 NDP 9 0K 0K 78643K 18 0 temp 82 3848K 3912K 78643K 5489 0 kqueue 3 4K 8K 78643K 14 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 arp 64 8 0 4 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 29 0 27 1 0 1 1 0 8 0 rtentry 112 57 0 31 2 0 2 2 0 8 1 unpcb 120 110 0 99 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 739 0 739 2 2 0 1 0 8 0 tcpcb 544 64 0 59 1 0 1 1 0 8 0 inpcb 280 233 0 223 2 1 1 2 0 8 0 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 9 0 9 1 0 1 1 0 8 1 pkpcb 40 2 0 2 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 1 0 0 1 0 1 1 0 8 0 pfstitem 24 17 0 2 1 0 1 1 0 8 0 pfstkey 112 17 0 2 1 0 1 1 0 8 0 pfstate 328 17 0 2 2 0 2 2 0 8 0 pfrule 1360 25 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 233 0 128 12 0 12 12 0 8 5 art_table 32 234 0 128 2 0 2 2 0 8 1 art_node 16 56 0 32 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 20 0 10 1 0 1 1 0 8 0 shmpl 112 11 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1679 0 277 89 0 89 89 0 8 0 ffsino 272 1679 0 277 96 1 95 95 0 8 0 nchpl 144 2265 0 669 60 0 60 60 0 8 0 uvmvnodes 72 1791 0 0 33 0 33 33 0 8 0 vnodes 208 1791 0 0 95 0 95 95 0 8 0 namei 1024 6562 0 6562 2 1 1 1 0 8 1 percpumem 16 34 0 3 1 0 1 1 0 8 0 scxspl 192 6539 0 6539 10 7 3 7 0 8 3 plimitpl 152 28 0 20 1 0 1 1 0 8 0 sigapl 424 460 0 407 6 0 6 6 0 8 0 futexpl 56 3120 0 3119 1 0 1 1 0 8 0 knotepl 112 85 0 66 1 0 1 1 0 8 0 kqueuepl 144 39 0 36 1 0 1 1 0 8 0 pipelkpl 48 114 0 103 1 0 1 1 0 8 0 pipepl 120 228 0 207 1 0 1 1 0 8 0 fdescpl 496 424 0 407 3 0 3 3 0 8 0 filepl 152 2644 0 2538 7 2 5 6 0 8 0 lockfpl 104 56 0 55 1 0 1 1 0 8 0 lockfspl 48 16 0 15 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 19 0 8 1 0 1 1 0 8 0 ucredpl 96 163 0 154 1 0 1 1 0 8 0 zombiepl 144 407 0 407 2 1 1 1 0 8 1 processpl 984 460 0 407 8 1 7 7 0 8 0 procpl 624 890 0 826 6 0 6 6 0 8 1 srpgc 64 4 0 4 2 1 1 1 0 8 1 sosppl 128 4 0 4 1 1 0 1 0 8 0 sockpl 400 380 0 357 4 1 3 4 0 8 0 mcl64k 65536 11 0 0 2 0 2 2 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 184 0 0 21 0 21 21 0 8 0 mtagpl 80 14 0 0 1 0 1 1 0 8 0 mbufpl 256 227 0 0 14 0 14 14 0 8 0 bufpl 280 4676 0 133 325 0 325 325 0 8 0 anonpl 16 63842 0 48762 84 1 83 83 0 124 15 amapchunkpl 152 2434 0 2284 12 1 11 11 0 158 4 amappl16 192 2001 0 1101 57 0 57 57 0 8 12 amappl15 184 148 0 146 3 2 1 1 0 8 0 amappl14 176 25 0 20 1 0 1 1 0 8 0 amappl13 168 36 0 33 1 0 1 1 0 8 0 amappl12 160 5 0 4 2 1 1 1 0 8 0 amappl11 152 202 0 184 1 0 1 1 0 8 0 amappl10 144 16 0 12 1 0 1 1 0 8 0 amappl9 136 218 0 217 1 0 1 1 0 8 0 amappl8 128 379 0 344 2 0 2 2 0 8 0 amappl7 120 134 0 119 1 0 1 1 0 8 0 amappl6 112 172 0 165 2 1 1 1 0 8 0 amappl5 104 505 0 489 1 0 1 1 0 8 0 amappl4 96 642 0 614 1 0 1 1 0 8 0 amappl3 88 109 0 100 1 0 1 1 0 8 0 amappl2 80 2356 0 2277 2 0 2 2 0 8 0 amappl1 72 19686 0 19225 23 13 10 18 0 8 0 amappl 80 1135 0 1090 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 12 0 0 1 0 1 1 0 8 0 uaddrrnd 24 424 0 407 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 424 0 407 1 0 1 1 0 8 0 vmmpekpl 168 7333 0 7292 2 0 2 2 0 8 0 vmmpepl 168 59648 0 57492 138 13 125 125 0 357 31 vmsppl 368 423 0 407 2 0 2 2 0 8 0 pdppl 4096 855 0 814 7 1 6 6 0 8 0 pvpl 32 197993 0 179473 193 0 193 193 0 265 31 pmappl 232 423 0 407 2 1 1 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 265 0 7 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace sbdrop(fffffd806f689190,fffffd806f689288,7ac) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 tcp_input(ffff800020db9508,ffff800020db9514,6,2) at tcp_input+0x3d76 sys/netinet/tcp_input.c:1725 ip_deliver(ffff800020db9508,ffff800020db9514,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020db9508,ffff800020db9514,ffff800020d984e0,0) at ip_ours+0x412 ip_input_if(ffff800020db9508,ffff800020db9514,4,0,ffff80000017b2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017b2a8,fffffd807f01ff00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 ether_input(ffff80000017b2a8,fffffd807f01ff00,0) at ether_input+0x345 sys/net/if_ethersubr.c:461 if_input_process(ffff80000017b2a8,ffff800020db9638) at if_input_process+0x10b if_ih_input sys/net/if.c:908 [inline] if_input_process(ffff80000017b2a8,ffff800020db9638) at if_input_process+0x10b sys/net/if.c:942 ifiq_process(ffff80000017b6a0) at ifiq_process+0x80 sys/net/ifq.c:646 taskq_thread(ffff80000002c000) at taskq_thread+0xec sys/kern/kern_task.c:437 end trace frame: 0x0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d80ff0) 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(ffffffff828a4270) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828a4270) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff828a4270,1) 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(ffff800020e8dc50,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020e8dc50,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020e8dc50,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 tsleep(ffffffff8285aff0,120,ffffffff823d6bf0,2) at tsleep+0x1cc sys/kern/kern_synch.c:155 sys_nanosleep(ffff800020e509d0,ffff800020e8dd80,ffff800020e8ddd0) at sys_nanosleep+0x205 sys/kern/kern_time.c:297 syscall(ffff800020e8de50) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e8de50) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc000051f38, count: -12