M?M?M?M?M?v#9 v#9 #)T(kK-RuS5$*ֱsojOAYCqz((\p ̯B}P[ ϿZ+5@ !OWHT10+dC8J9skںOIL:i=LH$8{GL9 ,"'yZo~օ#)T(kK-RuS5$*ֱsojOAYCqz((\p ̯B}P[ ϿZ+5@ !OWHT10+dC8J9skںOIL:i=LH$8{GL9 ,"'yZo~օ#)T(kK-RuS5$*ֱsojOAYCqz((\p ̯B}P[ ϿZ+5@ !OWHT10+dC8J9skںOIL:i=LH$8{GL9 ,"'yZo~օǝD)h/⣶ǝD)h/⣶ǝD)h/⣶#)T(kK-#)T(kK-#)T(kK-kernel: page fault trap, code=0 Stopped at hardclock+0x106: movq 0x260(%r14),%r15 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace hardclock(ffff80002b41d6c0) at hardclock+0x106 sys/kern/kern_clock.c:149 clockintr_dispatch(ffff80002b41d6c0) at clockintr_dispatch+0x1a8 sys/kern/kern_clockintr.c:196 lapic_clockintr(0,0) at lapic_clockintr+0x36 sys/arch/amd64/amd64/lapic.c:483 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x26 __sanitizer_cov_trace_cmp8(ffff80002b41d828,fffffd8005582600) at __sanitizer_cov_trace_cmp8+0xc sys/dev/kcov.c:206 _rb_find(ffffffff829e9ed0,fffffd806b5d8f98,ffff80002b41d828) at _rb_find+0x58 sys/kern/subr_tree.c:450 uvm_pagelookup(fffffd806b5d8f88,112b000) at uvm_pagelookup+0x44 sys/uvm/uvm_page.c:1239 buf_map(fffffd806b5d8ec8) at buf_map+0x206 sys/kern/vfs_biomem.c:124 buf_get(0,0,17162d37) at buf_get+0x739 sys/kern/vfs_bio.c:1179 geteblk(17162d37) at geteblk+0x2c sys/kern/vfs_bio.c:1061 readdisklabel(2902,ffffffff81a39c40,ffff800000e7f200,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96 vndopen(2902,1,2000,ffff800021737330) at vndopen+0x17a sys/dev/vnd.c:203 spec_open(ffff80002b41dc88) at spec_open+0x3df sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd806ec79dd8,1,fffffd807f7d7820,ffff800021737330) at VOP_OPEN+0x6c sys/kern/vfs_vops.c:138 vn_open(ffff80002b41ded8,1,0) at vn_open+0x467 sys/kern/vfs_vnops.c:177 doopenat(ffff800021737330,ffffff9c,20000200,0,0,ffff80002b41e0b0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127 syscall(ffff80002b41e130) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a0531407e0, count: -18 ddb> show registers rdi 0x3 rsi 0 rbp 0xffff80002b41d5f0 rbx 0x1 rdx 0 rcx 0x3ae7f9a200 rax 0xffff800021737330 r8 0 r9 0 r10 0 r11 0x980ba3c44e855286 r12 0xffff800021737330 r13 0 r14 0 r15 0 rip 0xffffffff81db7a16 hardclock+0x106 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002b41d5c0 ss 0x10 hardclock+0x106: movq 0x260(%r14),%r15 ddb> show proc PROC (kernel: page fault trap, code=0 Faulted in DDB; continuing... ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 20932 31444 0 0 2 0 syz-executor.7 20932 309852 0 0 3 0x4000080 fsleep syz-executor.7 63004 359387 46119 0 3 0x80 nanoslp syz-executor.1 96692 4157 70066 0 3 0x82 nanoslp syz-executor.4 94331 233666 70066 0 3 0x82 nanoslp syz-executor.0 ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10207 6410K 6596K 78643K 12008 0 pcb 13 16K 19K 78643K 573 0 rtable 206 15K 17K 78643K 919 0 ifaddr 76 22K 24K 78643K 392 0 sysctl 2 0K 1K 78643K 5 0 counters 27 17K 17K 78643K 209 0 ioctlops 0 0K 4K 78643K 1357 0 iov 0 0K 24K 78643K 605 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1343 84K 84K 78643K 3594 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 35 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 79 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 73K 78643K 2620 0 sigio 0 0K 0K 78643K 30 0 proc 51 42K 75K 78643K 843 0 subproc 104 6K 6K 78643K 224 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 200 0 in_multi 88 5K 7K 78643K 292 0 ether_multi 1 0K 0K 78643K 7 0 mrt 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 205 917K 917K 78643K 205 0 exec 0 0K 1K 78643K 647 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 8 62K 64K 78643K 10 0 UVM amap 299 90K 103K 78643K 19159 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 118 0 NDP 11 0K 2K 78643K 119 0 temp 124 5770K 71420K 78643K 39501 0 kqueue 6 10K 26K 78643K 271 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 375 0 374 6 5 1 3 0 8 0 rtentry 112 266 0 178 5 1 4 4 0 8 0 unpcb 144 3817 0 3809 38 35 3 10 0 8 2 syncache 296 19 0 19 6 5 1 1 0 8 1 tcpqe 32 489 0 489 7 6 1 2 0 8 1 tcpcb 776 3218 0 3211 63 52 11 15 0 8 10 arp 88 39 0 23 1 0 1 1 0 8 0 ipq 40 3 0 3 1 1 0 1 0 8 0 ipqe 40 6 0 6 1 1 0 1 0 8 0 inpcb 336 5545 0 5536 68 58 10 16 0 8 8 nd6 48 57 0 38 1 0 1 1 0 8 0 pkpcb 40 6 0 6 1 1 0 1 0 8 0 kcovpl 48 17 0 9 1 0 1 1 0 8 0 mppekey 1024 3 0 3 1 1 0 1 0 8 0 ppxss 1160 128 0 128 7 6 1 1 0 8 1 pppxif 1360 109 0 109 4 4 0 1 0 8 0 pfstscr 40 8 0 7 1 0 1 1 0 8 0 pfosfp 40 3 0 2 1 0 1 1 0 8 0 pfosfpen 112 3 0 2 1 0 1 1 0 8 0 pfanchor 1280 644 9 132 43 0 43 43 0 8 0 pfstitem 24 8 0 6 1 0 1 1 0 8 0 pfstkey 128 16 0 8 1 0 1 1 0 8 0 pfstate 352 8 0 7 1 0 1 1 0 8 0 art_heap8 4096 5 0 4 4 3 1 2 0 8 0 art_heap4 256 1259 0 847 39 10 29 30 0 8 0 art_table 32 1264 0 851 5 1 4 4 0 8 0 art_node 16 263 0 185 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 1 0 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 76 0 66 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 dirhash: pool(0xffffffff82bd74a8:dirhash): free list modified: page 0xffff8000216b1000; item ordinal 0; addr 0xffff8000216b2800 (p 0xfffffd806e5bc000); offset 0x0=0x0 pool(dirhash): free list modified: page 0xffff8000216b1000; item ordinal 0; addr 0xffff8000216b2800 (p 0xfffffd806e5bc000); offset 0x0=0x0 dirhash: pool(0xffffffff82bd74a8:dirhash): page inconsistency: page 0xffff8000216b1000; item ordinal 1; addr 0x6dbaab27e4f5d9bb dino2pl 256 5078 0 3645 90 0 90 90 0 8 0 ffsino 240 5078 0 3645 85 0 85 85 0 8 0 nchpl 144 8777 0 7134 63 0 63 63 0 8 0 rtmask 32 1 0 1 1 1 0 1 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 35441 0 35441 3 2 1 3 0 8 1 namei: pool(0xffffffff82c74a18:namei): free list modified: page 0xffff8000216f7000; item ordinal 0; addr 0xffff8000216f8400 (p 0xfffffd8069e7e000); offset 0x0=0x0 pool(namei): free list modified: page 0xffff8000216f7000; item ordinal 0; addr 0xffff8000216f8400 (p 0xfffffd8069e7e000); offset 0x0=0x0 namei: pool(0xffffffff82c74a18:namei): page inconsistency: page 0xffff8000216f7000; item ordinal 1; addr 0x60cdbba2ef8695c vmpool 664 6 0 6 2 2 0 1 0 8 0 kstatmem 264 160 0 138 2 0 2 2 0 8 0 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 25370 0 25370 15 13 2 8 0 8 2 plimitpl 152 452 0 438 1 0 1 1 0 8 0 sigapl 424 2920 0 2877 8 2 6 8 0 8 0 futexpl 64 31237 0 31228 1 0 1 1 0 8 0 knotepl 120 53190 0 53126 30 27 3 11 0 8 0 kqueuepl 184 2253 0 2247 31 25 6 7 0 8 5 pipepl 288 649 0 588 17 10 7 7 0 8 2 fdescpl 432 2883 0 2858 4 0 4 4 0 8 0 filepl 120 28654 0 28361 53 37 16 18 0 8 7 lockfpl 104 889 0 888 2 1 1 2 0 8 0 lockfspl 48 250 0 249 1 0 1 1 0 8 0 sessionpl 144 32 0 17 1 0 1 1 0 8 0 pgrppl 48 104 0 89 1 0 1 1 0 8 0 ucredpl 104 3168 0 3160 1 0 1 1 0 8 0 zombiepl 144 2878 0 2877 1 0 1 1 0 8 0 processpl 1008 2920 0 2877 9 2 7 8 0 8 0 processpl: pool(0xffffffff82cf3698:processpl): page inconsistency: page 0x0; at page head addr 0xffff8000216ddf90 (p 0xffff8000216dc000) procpl 696 7437 0 7369 13 5 8 9 0 8 0 procpl: pool(0xffffffff82cf34f0:procpl): page inconsistency: page 0x0; at page head addr 0xffff800021737f90 (p 0xffff800021736000) procpl: pool(0xffffffff82cf34f0:procpl): page inconsistency: page 0x0; at page head addr 0xffff8000216eff90 (p 0xffff8000216ee000) sosppl 168 22 0 22 6 5 1 1 0 8 1 sockpl 456 9743 0 9725 251 228 23 37 0 8 19 mcl64k 65536 68 0 68 8 7 1 1 0 8 1 mcl16k 16384 59 0 59 12 11 1 1 0 8 1 mcl12k 12288 103 0 103 6 5 1 1 0 8 1 mcl9k 9216 32 0 32 8 7 1 1 0 8 1 mcl8k 8192 153 0 153 5 4 1 1 0 8 1 mcl4k 4096 391 0 391 4 3 1 1 0 8 1 mcl2k2 2112 23 0 23 8 7 1 1 0 8 1 mcl2k 2048 82115 0 82063 66 58 8 44 0 8 1 mtagpl 96 15 0 15 2 2 0 1 0 8 0 mbufpl 256 162896 0 162799 270 261 9 72 0 8 0 bufpl 288 8583 0 2335 457 0 457 457 0 8 0 anonpl 24 609956 0 591856 135 19 116 132 0 188 0 amapchunkpl 152 53329 0 52585 44 14 30 36 0 158 0 amappl16 200 6690 0 6081 55 21 34 46 0 8 1 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 188 0 180 2 1 1 2 0 8 0 amappl13 176 10 0 10 2 2 0 1 0 8 0 amappl12 168 521 0 516 1 0 1 1 0 8 0 amappl11 160 45 0 41 1 0 1 1 0 8 0 amappl10 152 38 0 30 1 0 1 1 0 8 0 amappl9 144 974 0 973 2 1 1 1 0 8 0 amappl8 136 232 0 161 3 0 3 3 0 8 0 amappl7 128 164 0 145 2 0 2 2 0 8 0 amappl6 120 213 0 202 2 1 1 2 0 8 0 amappl5 112 176 0 171 1 0 1 1 0 8 0 amappl4 104 594 0 566 2 1 1 2 0 8 0 amappl3 96 8100 0 8046 2 0 2 2 0 8 0 amappl2 88 3389 0 3335 3 1 2 3 0 8 0 amappl1 80 68102 0 67461 29 15 14 26 0 8 0 amappl 88 18508 0 18323 5 0 5 5 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 2889 0 2864 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2889 0 2864 1 0 1 1 0 8 0 vmmpekpl 168 27218 0 27160 3 0 3 3 0 8 0 vmmpepl 168 274226 0 271633 228 104 124 153 0 357 7 vmsppl 344 2888 0 2864 3 0 3 3 0 8 0 rwobjpl 24 79670 0 72015 47 0 47 47 0 8 0 pdppl 4096 5784 0 5728 240 182 58 68 0 8 2 pvpl 32 1240332 0 1217305 390 196 194 360 0 265 0 pmappl 216 2888 0 2864 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1379 0 616 23 0 23 23 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace hardclock(ffff80002b41d6c0) at hardclock+0x106 sys/kern/kern_clock.c:149 clockintr_dispatch(ffff80002b41d6c0) at clockintr_dispatch+0x1a8 sys/kern/kern_clockintr.c:196 lapic_clockintr(0,0) at lapic_clockintr+0x36 sys/arch/amd64/amd64/lapic.c:483 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x26 __sanitizer_cov_trace_cmp8(ffff80002b41d828,fffffd8005582600) at __sanitizer_cov_trace_cmp8+0xc sys/dev/kcov.c:206 _rb_find(ffffffff829e9ed0,fffffd806b5d8f98,ffff80002b41d828) at _rb_find+0x58 sys/kern/subr_tree.c:450 uvm_pagelookup(fffffd806b5d8f88,112b000) at uvm_pagelookup+0x44 sys/uvm/uvm_page.c:1239 buf_map(fffffd806b5d8ec8) at buf_map+0x206 sys/kern/vfs_biomem.c:124 buf_get(0,0,17162d37) at buf_get+0x739 sys/kern/vfs_bio.c:1179 geteblk(17162d37) at geteblk+0x2c sys/kern/vfs_bio.c:1061 readdisklabel(2902,ffffffff81a39c40,ffff800000e7f200,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96 vndopen(2902,1,2000,ffff800021737330) at vndopen+0x17a sys/dev/vnd.c:203 spec_open(ffff80002b41dc88) at spec_open+0x3df sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd806ec79dd8,1,fffffd807f7d7820,ffff800021737330) at VOP_OPEN+0x6c sys/kern/vfs_vops.c:138 vn_open(ffff80002b41ded8,1,0) at vn_open+0x467 sys/kern/vfs_vnops.c:177 doopenat(ffff800021737330,ffffff9c,20000200,0,0,ffff80002b41e0b0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127 syscall(ffff80002b41e130) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a0531407e0, count: -18 ddb> machine ddbcpu 1 No such command ddb> trace hardclock(ffff80002b41d6c0) at hardclock+0x106 sys/kern/kern_clock.c:149 clockintr_dispatch(ffff80002b41d6c0) at clockintr_dispatch+0x1a8 sys/kern/kern_clockintr.c:196 lapic_clockintr(0,0) at lapic_clockintr+0x36 sys/arch/amd64/amd64/lapic.c:483 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x26 __sanitizer_cov_trace_cmp8(ffff80002b41d828,fffffd8005582600) at __sanitizer_cov_trace_cmp8+0xc sys/dev/kcov.c:206 _rb_find(ffffffff829e9ed0,fffffd806b5d8f98,ffff80002b41d828) at _rb_find+0x58 sys/kern/subr_tree.c:450 uvm_pagelookup(fffffd806b5d8f88,112b000) at uvm_pagelookup+0x44 sys/uvm/uvm_page.c:1239 buf_map(fffffd806b5d8ec8) at buf_map+0x206 sys/kern/vfs_biomem.c:124 buf_get(0,0,17162d37) at buf_get+0x739 sys/kern/vfs_bio.c:1179 geteblk(17162d37) at geteblk+0x2c sys/kern/vfs_bio.c:1061 readdisklabel(2902,ffffffff81a39c40,ffff800000e7f200,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96 vndopen(2902,1,2000,ffff800021737330) at vndopen+0x17a sys/dev/vnd.c:203 spec_open(ffff80002b41dc88) at spec_open+0x3df sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd806ec79dd8,1,fffffd807f7d7820,ffff800021737330) at VOP_OPEN+0x6c sys/kern/vfs_vops.c:138 vn_open(ffff80002b41ded8,1,0) at vn_open+0x467 sys/kern/vfs_vnops.c:177 doopenat(ffff800021737330,ffffff9c,20000200,0,0,ffff80002b41e0b0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127 syscall(ffff80002b41e130) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a0531407e0, count: -18