login: b+&~SАu= Nm3჏tEgPU je-bYZ&ޣb+&~SАu= Nm3჏tEgPU je-bYZ&ޣ8PPedRt1;s  uvm_fault(0xffffffff828ad310, 0xfffffd0000000010, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pool_cache_get+0x1b1: movq 0x10(%r14),%r13 ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff828ad310, 0xfffffd0000000010, 0, 1) -> e pool_cache_get(ffffffff8291c0d0) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff8291c0d0) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 end trace frame: 0xffff800020e62e00, count: 0 ddb{0}> trace pool_cache_get(ffffffff8291c0d0) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff8291c0d0) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 pool_get(ffffffff8291c0d0,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 tcp_output(ffff800000ad9ee0) at tcp_output+0x14e6 tcp_usrreq(fffffd806eae1c88,9,fffffd8064bb7500,0,0,ffff800020e41d50) at tcp_usrreq+0xa55 sosend(fffffd806eae1c88,0,ffff800020e63238,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff800020e41d50,4,ffff800020e63238,0,ffff800020e63320) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e41d50,ffff800020e632d0,ffff800020e63320) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e633a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e633a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffeb530, count: -10 ddb{0}> show registers rdi 0 rsi 0x7 rbp 0xffff800020e62d40 rbx 0x39dfb0f67bf7a61f rdx 0xffff800020e41d50 rcx 0 rax 0 r8 0xffffffff8202476a tcp_output+0xbea r9 0x5 r10 0x3 r11 0x216eb03245746c80 r12 0xffffffff8291c0d0 mbpool r13 0 r14 0xfffffd0000000000 r15 0xfffffd807f009e00 rip 0xffffffff8145eb31 pool_cache_get+0x1b1 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800020e62ce0 ss 0x10 pool_cache_get+0x1b1: movq 0x10(%r14),%r13 ddb{0}> show proc PROC (sshd) pid=114067 stat=onproc flags process=12 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020e40280,0xffff800020e40020 process=0xffff800020e39350 user=0xffff800020e5e000, vmspace=0xfffffd806e8f58a8 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 12782 492598 0 0 3 0x14200 acct acct 19289 62259 42430 0 2 0x2 syz-executor.1 87648 345256 42430 0 7 0x2 syz-executor.0 42430 236782 19816 0 3 0x82 kqread syz-fuzzer 42430 441113 19816 0 3 0x4000082 nanosleep syz-fuzzer 42430 388674 19816 0 2 0x4000002 syz-fuzzer 42430 479349 19816 0 3 0x4000082 thrsleep syz-fuzzer 42430 488547 19816 0 3 0x4000082 thrsleep syz-fuzzer 42430 198373 19816 0 3 0x4000082 thrsleep syz-fuzzer 42430 373542 19816 0 3 0x4000082 thrsleep syz-fuzzer 42430 48233 19816 0 3 0x4000082 thrsleep syz-fuzzer 42430 401024 19816 0 3 0x4000082 thrsleep syz-fuzzer 42430 233397 19816 0 3 0x4000082 thrsleep syz-fuzzer 42430 462403 19816 0 3 0x4000082 thrsleep syz-fuzzer 19816 214030 73165 0 3 0x10008a pause ksh *73165 114067 75485 0 7 0x12 sshd 12999 151362 1 0 3 0x100083 ttyin getty 75485 90722 1 0 3 0x80 select sshd 7570 458292 62291 74 3 0x100092 bpf pflogd 62291 215330 1 0 3 0x80 netio pflogd 25105 467729 89436 73 3 0x100090 kqread syslogd 89436 410546 1 0 3 0x100082 netio syslogd 54192 172979 1 77 3 0x100090 poll dhclient 53490 477713 1 0 3 0x80 poll dhclient 63190 360610 0 0 3 0x14200 bored smr 76209 142409 0 0 2 0x14200 zerothread 70238 231616 0 0 3 0x14200 aiodoned aiodoned 38160 339902 0 0 3 0x14200 syncer update 46434 460218 0 0 3 0x14200 cleaner cleaner 8851 257626 0 0 3 0x14200 reaper reaper 33788 180419 0 0 3 0x14200 pgdaemon pagedaemon 33284 239841 0 0 3 0x14200 bored crynlk 53909 369300 0 0 3 0x14200 bored crypto 53895 187946 0 0 3 0x40014200 acpi0 acpi0 13303 407305 0 0 3 0x40014200 idle1 15371 430985 0 0 3 0x14200 bored softnet 17959 419026 0 0 3 0x14200 bored systqmp 54400 172318 0 0 3 0x14200 bored systq 10590 13917 0 0 3 0x40014200 bored softclock 55160 19456 0 0 3 0x40014200 idle0 1 326980 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 73165 (sshd) thread 0xffff800020e41d50 (114067) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82923b00) #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 pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] #4 pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 #5 pool_get+0x91 sys/kern/subr_pool.c:572 #6 m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 #7 tcp_output+0x14e6 #8 tcp_usrreq+0xa55 #9 sosend+0x671 sys/kern/uipc_socket.c:555 #10 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #11 sys_write+0x83 sys/kern/sys_generic.c:285 #12 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #12 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #13 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff8270b778) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sosend+0x559 sys/kern/uipc_socket.c:543 #3 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #4 sys_write+0x83 sys/kern/sys_generic.c:285 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9510 6413K 7059K 78643K 11480 0 pcb 13 8K 8K 78643K 45 0 rtable 103 13K 13K 78643K 336 0 ifaddr 68 13K 14K 78643K 124 0 counters 43 33K 34K 78643K 55 0 ioctlops 0 0K 4K 78643K 1507 0 iov 0 0K 16K 78643K 34 0 mount 1 1K 1K 78643K 1 0 vnodes 1226 77K 77K 78643K 1446 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 0K 78643K 54 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 4 9K 25K 78643K 258 0 sigio 0 0K 0K 78643K 2 0 proc 61 63K 95K 78643K 455 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 214 0 in_multi 42 2K 2K 78643K 115 0 ether_multi 1 0K 0K 78643K 7 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 240 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 125 39K 53K 78643K 1811 0 UVM aobj 9 4K 4K 78643K 9 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 28 0 NDP 11 0K 0K 78643K 26 0 temp 95 3861K 3937K 78643K 5373 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 7 0 2 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 59 0 20 2 0 2 2 0 8 0 unpcb 120 213 0 203 1 0 1 1 0 8 0 syncache 264 8 0 8 2 1 1 1 0 8 1 tcpqe 32 52 0 52 2 1 1 1 0 8 1 tcpcb 544 183 0 176 1 0 1 1 0 8 0 inpcb 296 484 0 474 2 0 2 2 0 8 0 nd6 48 17 0 12 1 0 1 1 0 8 0 pffrent 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 20 0 18 1 0 1 1 0 8 0 pfstitem 24 26 0 2 1 0 1 1 0 8 0 pfstkey 112 26 0 2 1 0 1 1 0 8 0 pfstate 328 26 0 2 3 0 3 3 0 8 0 pfrule 1360 32 0 24 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 212 0 35 13 1 12 13 0 8 0 art_table 32 213 0 35 2 0 2 2 0 8 0 art_node 16 58 0 22 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 50 0 40 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 1755 0 350 89 0 89 89 0 8 0 ffsino 272 1755 0 350 94 0 94 94 0 8 0 nchpl 144 2270 0 658 60 0 60 60 0 8 0 uvmvnodes 72 1983 0 0 37 0 37 37 0 8 0 vnodes 208 1983 0 0 105 0 105 105 0 8 0 namei 1024 6292 0 6292 1 0 1 1 0 8 1 percpumem 16 38 0 6 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 2 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 5 0 3 1 0 1 1 0 8 0 scxspl 192 7274 0 7274 8 2 6 7 0 8 6 plimitpl 152 27 0 19 1 0 1 1 0 8 0 sigapl 424 474 0 443 4 0 4 4 0 8 0 futexpl 56 4113 0 4113 1 0 1 1 0 8 1 knotepl 112 76 0 57 1 0 1 1 0 8 0 kqueuepl 144 38 0 36 1 0 1 1 0 8 0 pipepl 304 118 0 108 2 0 2 2 0 8 1 fdescpl 496 458 0 443 3 0 3 3 0 8 0 filepl 152 2770 0 2669 5 0 5 5 0 8 1 lockfpl 104 58 0 57 1 0 1 1 0 8 0 lockfspl 48 20 0 19 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 202 0 192 1 0 1 1 0 8 0 zombiepl 144 443 0 443 1 0 1 1 0 8 1 processpl 984 474 0 443 5 0 5 5 0 8 0 procpl 624 1026 0 985 4 0 4 4 0 8 0 sockpl 400 727 0 705 4 0 4 4 0 8 1 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl12k 12288 8 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 153 0 0 19 0 19 19 0 8 0 mtagpl 96 132 0 0 4 0 4 4 0 8 0 mbufpl 256 400 0 0 25 0 25 25 0 8 0 mbufpl: pool(0xffffffff8291c0d0:mbufpl): free list modified: page 0xfffffd8064192000; item ordinal 3; addr 0xfffffd8064192800 (p 0xfffffd80651b8000); offset 0x0=0x18222f0000000000 bufpl 280 4148 0 135 287 0 287 287 0 8 0 anonpl 16 64298 0 48525 85 2 83 84 0 124 16 amapchunkpl 152 3076 0 2950 19 0 19 19 0 158 12 amappl16 192 2426 0 1547 60 8 52 58 0 8 7 amappl15 184 119 0 117 1 0 1 1 0 8 0 amappl14 176 33 0 26 1 0 1 1 0 8 0 amappl13 168 28 0 25 1 0 1 1 0 8 0 amappl12 160 8 0 4 2 1 1 1 0 8 0 amappl11 152 53 0 38 1 0 1 1 0 8 0 amappl10 144 137 0 131 1 0 1 1 0 8 0 amappl9 136 499 0 494 1 0 1 1 0 8 0 amappl8 128 468 0 431 2 0 2 2 0 8 0 amappl7 120 117 0 105 1 0 1 1 0 8 0 amappl6 112 24 0 19 2 1 1 1 0 8 0 amappl5 104 356 0 340 1 0 1 1 0 8 0 amappl4 96 490 0 461 1 0 1 1 0 8 0 amappl3 88 115 0 110 1 0 1 1 0 8 0 amappl2 80 2856 0 2792 2 0 2 2 0 8 0 amappl1 72 20123 0 19695 24 14 10 18 0 8 0 amappl 80 1283 0 1241 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 24 460 0 443 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 460 0 443 1 0 1 1 0 8 0 vmmpekpl 168 7793 0 7756 2 0 2 2 0 8 0 vmmpepl 168 63030 0 61087 119 13 106 113 0 357 14 vmsppl 368 459 0 443 2 0 2 2 0 8 0 pdppl 4096 927 0 888 6 0 6 6 0 8 0 pvpl 32 195767 0 176879 207 1 206 207 0 265 47 pmappl 232 459 0 443 3 1 2 2 0 8 1 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 270 0 3 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pool_cache_get(ffffffff8291c0d0) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff8291c0d0) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 pool_get(ffffffff8291c0d0,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 tcp_output(ffff800000ad9ee0) at tcp_output+0x14e6 tcp_usrreq(fffffd806eae1c88,9,fffffd8064bb7500,0,0,ffff800020e41d50) at tcp_usrreq+0xa55 sosend(fffffd806eae1c88,0,ffff800020e63238,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff800020e41d50,4,ffff800020e63238,0,ffff800020e63320) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e41d50,ffff800020e632d0,ffff800020e63320) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e633a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e633a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffeb530, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d70ff0) 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_pc() at __sanitizer_cov_trace_pc+0x54 sys/dev/kcov.c:88 pageflttrap(ffff800020edf440,1) at pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 usertrap(ffff800020edf440) at usertrap+0x21a sys/arch/amd64/amd64/trap.c:384 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7ffffe4480, count: -7