uvm_fault(0xffffffff82799320, 0xfffffd0000000018, 0, 1) -> e kernel: page fault trap, code=0 Stopped at sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff82799320, 0xfffffd0000000018, 0, 1) -> e sbdrop(fffffd806ead7af8,fffffd806ead7bf0,6d4) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 end trace frame: 0xffff800020da9040, count: 0 ddb{1}> trace sbdrop(fffffd806ead7af8,fffffd806ead7bf0,6d4) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 tcp_input(ffff800020da9208,ffff800020da9214,6,2) at tcp_input+0x3d94 sys/netinet/tcp_input.c:1725 ip_deliver(ffff800020da9208,ffff800020da9214,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020da9208,ffff800020da9214,ffff800020d88c30,0) at ip_ours+0x412 ip_input_if(ffff800020da9208,ffff800020da9214,4,0,ffff80000017b2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017b2a8,fffffd80788b3000) at ipv4_input+0x48 sys/netinet/ip_input.c:215 ether_input(ffff80000017b2a8,fffffd80788b3000,0) at ether_input+0x345 sys/net/if_ethersubr.c:461 if_input_process(ffff80000017b2a8,ffff800020da9338) at if_input_process+0x10b if_ih_input sys/net/if.c:902 [inline] if_input_process(ffff80000017b2a8,ffff800020da9338) at if_input_process+0x10b sys/net/if.c:936 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{1}> show registers rdi 0 rsi 0x580 rbp 0xffff800020da8ea0 rbx 0 rdx 0xffffffff828bd3c0 mclpools rcx 0 rax 0 r8 0xffffffff81489618 sbdrop+0x248 r9 0x3 r10 0x88ccfc9eb5aa1ed r11 0x80b6e57851e25b21 r12 0x580 r13 0x1a00 __ALIGN_SIZE+0xa00 r14 0xfffffd806ead7bf0 r15 0xfffffd0000000000 rip 0xffffffff814895e9 sbdrop+0x219 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020da8e40 ss 0x10 sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> show proc PROC (softnet) pid=157345 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020d89110,0xffff800020d88760 process=0xffff800020d8ab88 user=0xffff800020da4000, vmspace=0xffffffff8290b9f0 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 3984 382524 0 0 3 0x14200 acct acct 62406 187640 0 0 3 0x14280 nfsidl nfsio 63080 163021 0 0 3 0x14280 nfsidl nfsio 71625 467053 0 0 3 0x14280 nfsidl nfsio 80987 122536 0 0 3 0x14280 nfsidl nfsio 24815 464588 0 0 3 0x14280 nfsidl nfsio 48439 457118 0 0 3 0x14280 nfsidl nfsio 51744 149651 0 0 3 0x14280 nfsidl nfsio 77690 222365 0 0 3 0x14280 nfsidl nfsio 72534 502036 0 0 3 0x14280 nfsidl nfsio 55522 378547 0 0 3 0x14280 nfsidl nfsio 25981 437168 0 0 3 0x14280 nfsidl nfsio 25778 87897 0 0 3 0x14280 nfsidl nfsio 9761 6354 0 0 3 0x14280 nfsidl nfsio 84281 55465 0 0 3 0x14280 nfsidl nfsio 47689 407963 0 0 3 0x14280 nfsidl nfsio 88920 239904 0 0 3 0x14280 nfsidl nfsio 26323 328964 0 0 3 0x14280 nfsidl nfsio 75376 336967 0 0 3 0x14280 nfsidl nfsio 38545 424160 0 0 3 0x14280 nfsidl nfsio 78578 409726 0 0 3 0x14280 nfsidl nfsio 1151 392524 0 0 3 0x14200 bored sosplice 77658 406428 40108 0 3 0x82 nanosleep syz-executor.1 12430 509172 40108 0 3 0x82 nanosleep syz-executor.0 40108 251807 13907 0 3 0x82 thrsleep syz-fuzzer 40108 68819 13907 0 3 0x4000082 thrsleep syz-fuzzer 40108 86860 13907 0 3 0x4000082 thrsleep syz-fuzzer 40108 414659 13907 0 3 0x4000082 thrsleep syz-fuzzer 40108 366402 13907 0 3 0x4000082 thrsleep syz-fuzzer 40108 281346 13907 0 3 0x4000082 thrsleep syz-fuzzer 40108 354554 13907 0 3 0x4000082 kqread syz-fuzzer 40108 451789 13907 0 3 0x4000082 thrsleep syz-fuzzer 40108 190667 13907 0 3 0x4000082 thrsleep syz-fuzzer 40108 491647 13907 0 3 0x4000082 thrsleep syz-fuzzer 13907 61171 32741 0 3 0x10008a pause ksh 32741 356505 94947 0 3 0x92 select sshd 84100 329841 1 0 3 0x100083 ttyin getty 94947 36327 1 0 3 0x80 select sshd 78570 145249 55286 74 3 0x100092 bpf pflogd 55286 60628 1 0 3 0x80 netio pflogd 84252 282764 71542 73 3 0x100090 kqread syslogd 71542 251188 1 0 3 0x100082 netio syslogd 39134 295507 1 77 3 0x100090 poll dhclient 4892 345682 1 0 3 0x80 poll dhclient 12680 141798 0 0 3 0x14200 bored smr 29829 490830 0 0 3 0x14200 pgzero zerothread 52297 349374 0 0 3 0x14200 aiodoned aiodoned 94055 75302 0 0 3 0x14200 syncer update 76952 454900 0 0 3 0x14200 cleaner cleaner 30566 345419 0 0 7 0x14200 reaper 25513 493783 0 0 3 0x14200 pgdaemon pagedaemon 25067 445937 0 0 3 0x14200 bored crynlk 79002 242093 0 0 3 0x14200 bored crypto 60152 180797 0 0 3 0x40014200 acpi0 acpi0 52903 38992 0 0 3 0x40014200 idle1 *55739 157345 0 0 7 0x14200 softnet 77526 330500 0 0 3 0x14200 bored systqmp 78953 208880 0 0 3 0x14200 bored systq 22102 511032 0 0 3 0x40014200 bored softclock 3006 68539 0 0 3 0x40014200 idle0 1 13285 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 55739 (softnet) thread 0xffff800020d88c30 (157345) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828cdac0) #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+0x3d94 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:902 [inline] #11 if_input_process+0x10b sys/net/if.c:936 #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 (0xffffffff826cb878) #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:935 #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9560 6457K 7032K 78643K 12032 0 pcb 13 8K 8K 78643K 192 0 rtable 102 7K 10K 78643K 702 0 ifaddr 125 24K 25K 78643K 317 0 sysctl 3 1K 1K 78643K 3 0 counters 43 33K 34K 78643K 93 0 ioctlops 0 0K 4K 78643K 1638 0 iov 0 0K 18K 78643K 125 0 mount 1 1K 1K 78643K 1 0 vnodes 1215 76K 77K 78643K 1668 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 20 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 171 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 4 9K 25K 78643K 1043 0 sigio 0 0K 0K 78643K 30 0 proc 62 63K 95K 78643K 523 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 74 0 in_multi 126 5K 5K 78643K 266 0 ether_multi 1 0K 0K 78643K 31 0 mrt 0 0K 0K 78643K 14 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 284 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 144 105K 105K 78643K 4519 0 UVM aobj 27 7K 7K 78643K 29 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 167 0 NDP 17 0K 0K 78643K 57 0 temp 156 3865K 3933K 78643K 27265 0 kqueue 3 4K 10K 78643K 51 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 9 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 74 0 72 1 0 1 1 0 8 0 rtentry 112 109 0 77 2 0 2 2 0 8 0 unpcb 120 449 0 439 1 0 1 1 0 8 0 syncache 264 14 0 14 4 3 1 1 0 8 1 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 297 0 297 2 2 0 1 0 8 0 tcpcb 544 1254 0 1242 5 4 1 2 0 8 0 inpcb 296 2595 0 2582 5 3 2 3 0 8 0 rttmr 72 5 0 5 2 1 1 1 0 8 1 nd6 48 23 0 21 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 pffrag 232 11 0 8 3 2 1 1 0 482 0 pffrnode 88 11 0 8 3 2 1 1 0 8 0 pffrent 40 196 0 193 3 2 1 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 64 0 55 2 0 2 2 0 8 1 pfstitem 24 43 0 27 1 0 1 1 0 8 0 pfstkey 112 43 0 27 1 0 1 1 0 8 0 pfstate 328 43 0 27 3 0 3 3 0 8 0 pfrule 1360 49 0 29 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 531 0 366 15 3 12 14 0 8 0 art_table 32 533 0 366 2 0 2 2 0 8 0 art_node 16 108 0 80 1 0 1 1 0 8 0 sysvmsgpl 40 26 0 15 1 0 1 1 0 8 0 semapl 112 169 0 159 1 0 1 1 0 8 0 shmpl 112 27 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2843 0 1439 89 0 89 89 0 8 0 ffsino 272 2843 0 1439 94 0 94 94 0 8 0 nchpl 144 4488 0 2879 60 0 60 60 0 8 0 uvmvnodes 72 3191 0 0 59 0 59 59 0 8 0 vnodes 208 3191 0 0 168 0 168 168 0 8 0 namei 1024 12360 0 12360 3 2 1 1 0 8 1 percpumem 16 57 0 25 1 0 1 1 0 8 0 vcpupl 1984 10 0 0 2 0 2 2 0 8 0 vmpool 560 21 0 11 1 0 1 1 0 8 0 pfiaddrpl 120 23 0 14 1 0 1 1 0 8 0 scxspl 192 13453 0 13453 11 10 1 5 0 8 1 plimitpl 152 87 0 79 1 0 1 1 0 8 0 sigapl 424 1280 0 1228 8 1 7 7 0 8 1 futexpl 56 16661 0 16661 3 2 1 1 0 8 1 knotepl 112 118 0 99 1 0 1 1 0 8 0 kqueuepl 144 129 0 127 1 0 1 1 0 8 0 pipelkpl 48 204 0 194 1 0 1 1 0 8 0 pipepl 120 408 0 389 1 0 1 1 0 8 0 fdescpl 496 1243 0 1228 3 0 3 3 0 8 0 filepl 152 7833 0 7733 6 1 5 5 0 8 1 lockfpl 104 195 0 194 1 0 1 1 0 8 0 lockfspl 48 71 0 70 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 34 0 23 1 0 1 1 0 8 0 ucredpl 96 733 0 724 1 0 1 1 0 8 0 zombiepl 144 1228 0 1226 3 2 1 1 0 8 0 processpl 984 1280 0 1226 7 0 7 7 0 8 0 procpl 624 3715 0 3651 7 1 6 6 0 8 0 sosppl 128 5 0 5 2 2 0 1 0 8 0 sockpl 400 3123 0 3102 10 6 4 4 0 8 1 mcl64k 65536 271 0 0 34 0 34 34 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 13 0 0 2 0 2 2 0 8 0 mcl9k 9216 7 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 167 0 0 20 0 20 20 0 8 0 mtagpl 96 92 0 0 3 0 3 3 0 8 0 mbufpl 256 581 0 0 33 0 33 33 0 8 0 bufpl 280 5773 0 142 403 0 403 403 0 8 0 anonpl 16 127430 0 110102 107 23 84 87 0 124 12 amapchunkpl 152 7401 0 7228 22 13 9 12 0 158 2 amappl16 192 6404 0 5465 70 17 53 60 0 8 5 amappl15 184 10 0 7 1 0 1 1 0 8 0 amappl14 176 22 0 19 1 0 1 1 0 8 0 amappl13 168 36 0 32 1 0 1 1 0 8 0 amappl12 160 10 0 9 1 0 1 1 0 8 0 amappl11 152 55 0 40 1 0 1 1 0 8 0 amappl10 144 511 0 506 1 0 1 1 0 8 0 amappl9 136 898 0 896 1 0 1 1 0 8 0 amappl8 128 883 0 846 2 0 2 2 0 8 0 amappl7 120 608 0 597 1 0 1 1 0 8 0 amappl6 112 24 0 18 1 0 1 1 0 8 0 amappl5 104 1160 0 1144 1 0 1 1 0 8 0 amappl4 96 503 0 472 1 0 1 1 0 8 0 amappl3 88 154 0 148 1 0 1 1 0 8 0 amappl2 80 9024 0 8957 2 0 2 2 0 8 0 amappl1 72 36422 0 35983 23 13 10 18 0 8 0 amappl 80 3963 0 3908 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 28 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1264 0 1239 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1264 0 1239 1 0 1 1 0 8 0 vmmpekpl 168 13029 0 12989 2 0 2 2 0 8 0 vmmpepl 168 157168 0 155102 147 40 107 114 0 357 8 vmsppl 368 1263 0 1238 3 0 3 3 0 8 0 pdppl 4096 2535 0 2486 8 1 7 7 0 8 0 pvpl 32 369910 0 350137 241 43 198 201 0 265 35 pmappl 232 1263 0 1238 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 336 0 19 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff826f4ff0) 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 __sanitizer_cov_trace_cmp4(ffffffff828cd8b8,ffffffff828cd8b8) at __sanitizer_cov_trace_cmp4+0xc sys/dev/kcov.c:134 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f __mp_lock(ffffffff828cd8b8) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828cd8b8) at __mp_lock+0x127 sys/kern/kern_lock.c:147 uvm_pause() at uvm_pause+0x5b sys/uvm/uvm_glue.c:438 uvm_unmap_detach(ffff800020dcf090,1) at uvm_unmap_detach+0x13a sys/uvm/uvm_map.c:1585 uvm_map_teardown(fffffd8064600740) at uvm_map_teardown+0x25c sys/uvm/uvm_map.c:2757 uvmspace_free(fffffd8064600740) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3646 uvm_exit(ffff800023101b18) at uvm_exit+0x29 sys/uvm/uvm_glue.c:297 reaper(ffff800020d88ea0) at reaper+0x189 sys/kern/kern_exit.c:456 end trace frame: 0x0, count: -13 ddb{0}> machine ddbcpu 1 Stopped at sbdrop+0x219: movl 0x18(%r15),%r13d ddb{1}> trace sbdrop(fffffd806ead7af8,fffffd806ead7bf0,6d4) at sbdrop+0x219 sys/kern/uipc_socket2.c:965 tcp_input(ffff800020da9208,ffff800020da9214,6,2) at tcp_input+0x3d94 sys/netinet/tcp_input.c:1725 ip_deliver(ffff800020da9208,ffff800020da9214,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020da9208,ffff800020da9214,ffff800020d88c30,0) at ip_ours+0x412 ip_input_if(ffff800020da9208,ffff800020da9214,4,0,ffff80000017b2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017b2a8,fffffd80788b3000) at ipv4_input+0x48 sys/netinet/ip_input.c:215 ether_input(ffff80000017b2a8,fffffd80788b3000,0) at ether_input+0x345 sys/net/if_ethersubr.c:461 if_input_process(ffff80000017b2a8,ffff800020da9338) at if_input_process+0x10b if_ih_input sys/net/if.c:902 [inline] if_input_process(ffff80000017b2a8,ffff800020da9338) at if_input_process+0x10b sys/net/if.c:936 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