kernel: page fault trap, code=0 Stopped at softclock+0xc7: movq %rcx,0x8(%rax) ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace softclock(0) at softclock+0xc7 sys/kern/kern_timeout.c:750 softintr_dispatch(0) at softintr_dispatch+0xd1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f buf_get(0,0,38314fa) at buf_get+0x750 sys/kern/vfs_bio.c:1186 geteblk(38314fa) at geteblk+0x2c sys/kern/vfs_bio.c:1061 readdisklabel(2902,ffffffff81835040,ffff800000d54000,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96 vndopen(2902,1,2000,ffff80002179a540) at vndopen+0x17a sys/dev/vnd.c:203 spec_open(ffff80002e958db8) at spec_open+0x3df sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd806eea9a78,1,fffffd807f7d78f0,ffff80002179a540) at VOP_OPEN+0x6c sys/kern/vfs_vops.c:138 vn_open(ffff80002e959008,1,0) at vn_open+0x467 sys/kern/vfs_vnops.c:177 doopenat(ffff80002179a540,ffffff9c,200000c0,0,0,ffff80002e9591f0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127 syscall(ffff80002e959260) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2f9acd4f9a0, count: -13 ddb> show registers rdi 0x4 rsi 0xd rbp 0xffff80002e958990 rbx 0x1 rdx 0 rcx 0 rax 0 r8 0x100000 acpi_pdirpa+0xebe68 r9 0 r10 0x1f1e0b7018ba0160 r11 0x6106c95bc1e5a773 r12 0xffffffff82ac19e8 rdrand_tmo r13 0xffffffff82a59218 x86_soft_intrs+0x8 r14 0 r15 0xffff800021780b48 rip 0xffffffff81110547 softclock+0xc7 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002e958950 ss 0x10 softclock+0xc7: movq %rcx,0x8(%rax) ddb> show proc PROC (kernel: page fault trap, code=0 Faulted in DDB; continuing... ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 70659 20461 0 0 2 0 syz-executor.3 70659 81579 0 0 3 0x4000080 fsleep syz-executor.3 42589 490330 57187 0 2 0 syz-executor.7 42589 196767 57187 0 3 0x4000080 fsleep syz-executor.7 48372 468363 0 0 2 0 syz-executor.0 48372 354433 0 0 3 0x4000080 fsleep syz-executor.0 ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10224 6426K 7163K 78643K 38266 0 pcb 13 18K 23K 78643K 2262 0 rtable 241 23K 25K 78643K 3462 0 ifaddr 215 52K 53K 78643K 1665 0 sysctl 3 1K 1K 78643K 3 0 counters 27 17K 17K 78643K 369 0 ioctlops 0 0K 4K 78643K 4538 0 iov 0 0K 32K 78643K 4872 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1468 92K 92K 78643K 12380 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 77 0 VM map 2 0K 0K 78643K 2 0 sem 23 10K 13K 78643K 228 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 18 65K 73K 78643K 10533 0 sigio 0 0K 0K 78643K 320 0 proc 64 59K 75K 78643K 2350 0 subproc 104 6K 6K 78643K 809 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 1 0K 0K 78643K 318 0 in_multi 89 6K 6K 78643K 893 0 ether_multi 1 0K 0K 78643K 56 0 mrt 1 0K 0K 78643K 52 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 271 1208K 1208K 78643K 271 0 exec 0 0K 2K 78643K 3207 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 389 416K 425K 78643K 59329 0 UVM aobj 26 2K 2K 78643K 29 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 507 0 NDP 14 0K 2K 78643K 341 0 temp 136 4730K 5754K 78643K 75952 0 kqueue 12 18K 26K 78643K 928 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 120 971 0 968 16 15 1 3 0 8 0 rtentry 112 938 0 851 4 1 3 4 0 8 0 unpcb 144 7345 0 7330 85 84 1 10 0 8 0 syncache 296 71 0 71 15 15 0 1 0 8 0 tcpqe 32 248 0 248 4 4 0 1 0 8 0 tcpcb 768 2976 0 2934 133 128 5 15 0 8 0 arp 88 141 0 125 1 0 1 1 0 8 0 ipq 40 3 0 3 3 3 0 1 0 8 0 ipqe 40 7 0 7 3 3 0 1 0 8 0 inpcb 336 9256 0 9213 189 185 4 20 0 8 0 ip6q 72 3 0 3 1 1 0 1 0 8 0 ip6af 40 6 0 6 1 1 0 1 0 8 0 nd6 48 196 0 174 1 0 1 1 0 8 0 pkpcb 40 33 0 33 5 5 0 1 0 8 0 kcovpl 48 62 0 54 1 0 1 1 0 8 0 ppxss 1160 172 0 172 20 20 0 1 0 8 0 pppxif 1608 141 0 141 19 19 0 1 0 8 0 pfstscr 40 209 0 199 1 0 1 1 0 8 0 pfosfp 40 47 0 44 1 0 1 1 0 8 0 pfosfpen 112 47 0 42 1 0 1 1 0 8 0 pfrktable 1344 305 0 291 8 6 2 2 0 8 0 pfanchor 1280 585 40 73 43 0 43 43 0 8 0 pftag 88 16 0 7 1 0 1 1 0 8 0 pfqueue 264 3 0 3 1 1 0 1 0 8 0 pfstitem 24 24 0 9 1 0 1 1 0 8 0 pfstkey 120 404 0 392 1 0 1 1 0 8 0 pfstate 336 203 0 195 1 0 1 1 0 8 0 pfrule 1360 388 0 302 12 4 8 8 0 8 0 rttmr 136 15 0 14 6 5 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 3654 0 3263 56 31 25 30 0 8 0 art_table 32 3655 0 3263 4 0 4 4 0 8 0 art_node 16 864 0 788 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 6 2 2 0 1 0 8 0 semapl 112 213 0 192 1 0 1 1 0 8 0 shmpl 112 26 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dirhash: pool(0xffffffff82a4a7f0:dirhash): free list modified: page 0xffff800021716000; item ordinal 0; addr 0xffff800021716000 (p 0xfffffd806ef40000); offset 0x0=0x0 pool(dirhash): free list modified: page 0xffff800021716000; item ordinal 0; addr 0xffff800021716000 (p 0xfffffd806ef40000); offset 0x0=0x0 dirhash: pool(0xffffffff82a4a7f0:dirhash): page inconsistency: page 0xffff800021716000; item ordinal 1; addr 0x6865dd0df526267a dino2pl 256 15619 0 14156 92 0 92 92 0 8 0 ffsino 240 15619 0 14156 87 0 87 87 0 8 0 nchpl 144 29859 0 28226 63 1 62 63 0 8 0 rtmask 32 1 0 1 1 1 0 1 0 8 0 uvmvnodes 80 25307 0 0 517 0 517 517 0 8 0 vnodes 216 25307 0 0 1406 0 1406 1406 0 8 0 namei 1024 115193 0 115193 11 10 1 2 0 8 1 namei: pool(0xffffffff82a4ca50:namei): free list modified: page 0xffff8000216df000; item ordinal 0; addr 0xffff8000216e0c00 (p 0xfffffd807df9e000); offset 0x0=0x0 pool(namei): free list modified: page 0xffff8000216df000; item ordinal 0; addr 0xffff8000216e0c00 (p 0xfffffd807df9e000); offset 0x0=0x0 namei: pool(0xffffffff82a4ca50:namei): page inconsistency: page 0xffff8000216df000; item ordinal 1; addr 0x8fd51b7916b719f5 vcpupl 2048 121 0 0 16 0 16 16 0 8 0 vmpool 536 193 0 72 9 0 9 9 0 8 0 vmpool: pool(0xffffffff82a463a0:vmpool): page inconsistency: page 0x0; at page head addr 0xffff800021789f90 (p 0xffff800021788000) vmpool: pool(0xffffffff82a463a0:vmpool): page inconsistency: page 0x0; at page head addr 0xffff800021763f90 (p 0xffff800021762000) pfiaddrpl 120 137 0 97 3 1 2 2 0 8 0 kstatmem 264 424 0 396 4 2 2 3 0 8 0 scsiplug 72 8 0 8 2 2 0 1 0 8 0 scxspl 216 83409 0 83409 28 27 1 8 0 8 1 plimitpl 152 1333 0 1317 1 0 1 1 0 8 0 sigapl 424 10734 0 10688 8 1 7 8 0 8 0 futexpl 64 101478 0 101469 3 2 1 1 0 8 0 knotepl 120 172886 0 172806 114 109 5 18 0 8 2 kqueuepl 184 1977 0 1969 23 22 1 4 0 8 0 pipepl 288 1939 0 1911 41 36 5 11 0 8 2 fdescpl 432 10695 0 10666 4 0 4 4 0 8 0 filepl 120 75966 0 75694 139 129 10 17 0 8 1 lockfpl 104 8190 0 8188 23 22 1 3 0 8 0 lockfspl 48 1661 0 1659 1 0 1 1 0 8 0 sessionpl 144 81 0 65 1 0 1 1 0 8 0 pgrppl 48 164 0 148 1 0 1 1 0 8 0 ucredpl 104 8071 0 8056 1 0 1 1 0 8 0 zombiepl 144 10688 0 10688 1 0 1 1 0 8 1 processpl 1000 10734 0 10688 10 3 7 9 0 8 0 processpl: pool(0xffffffff82acba68:processpl): page inconsistency: page 0x0; at page head addr 0xffff800021799f90 (p 0xffff800021798000) processpl: pool(0xffffffff82acba68:processpl): page inconsistency: page 0x0; at page head addr 0xffff800021701f90 (p 0xffff800021700000) procpl 672 28143 0 28072 27 20 7 10 0 8 0 procpl: pool(0xffffffff82acb8c0:procpl): page inconsistency: page 0x0; at page head addr 0xffff800021781f90 (p 0xffff800021780000) sosppl 168 81 0 80 15 14 1 1 0 8 0 sockpl 456 17615 0 17554 477 469 8 33 0 8 0 mcl64k 65536 425 0 424 26 25 1 1 0 8 0 mcl16k 16384 116 0 115 22 21 1 1 0 8 0 mcl12k 12288 360 0 359 22 21 1 1 0 8 0 mcl9k 9216 153 0 153 30 29 1 1 0 8 1 mcl8k 8192 787 0 786 20 19 1 1 0 8 0 mcl4k 4096 1150 0 1150 10 9 1 1 0 8 1 mcl2k2 2112 83 0 83 21 21 0 1 0 8 0 mcl2k 2048 97280 0 97224 36 27 9 23 0 8 1 mtagpl 96 1306 0 1049 13 6 7 8 0 8 0 mbufpl 256 258857 0 258439 612 577 35 76 0 8 0 bufpl 288 20328 0 13919 459 0 459 459 0 8 0 anonpl 24 2054933 0 2036845 225 88 137 137 0 188 13 amapchunkpl 152 174297 0 173577 98 62 36 42 0 158 5 amappl16 200 29677 0 28972 141 94 47 50 0 8 8 amappl15 192 1641 0 1629 1 0 1 1 0 8 0 amappl14 184 1819 0 1817 1 0 1 1 0 8 0 amappl13 176 1997 0 1991 1 0 1 1 0 8 0 amappl12 168 1220 0 1218 1 0 1 1 0 8 0 amappl11 160 1603 0 1591 1 0 1 1 0 8 0 amappl10 152 1632 0 1626 1 0 1 1 0 8 0 amappl9 144 1540 0 1531 2 1 1 1 0 8 0 amappl8 136 2341 0 2255 4 0 4 4 0 8 0 amappl7 128 1003 0 982 1 0 1 1 0 8 0 amappl6 120 1182 0 1158 2 1 1 2 0 8 0 amappl5 112 8943 0 8924 1 0 1 1 0 8 0 amappl4 104 5142 0 5115 1 0 1 1 0 8 0 amappl3 96 31914 0 31855 2 0 2 2 0 8 0 amappl2 88 12870 0 12800 3 1 2 3 0 8 0 amappl1 80 253426 0 252668 22 6 16 21 0 8 0 amappl 88 57737 0 57533 7 2 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 28 0 3 1 0 1 1 0 8 0 uaddrrnd 24 10888 0 10738 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 10888 0 10738 1 0 1 1 0 8 0 vmmpekpl 168 78310 0 78247 4 0 4 4 0 8 0 vmmpepl 168 1058345 0 1054952 395 230 165 172 0 357 16 vmsppl 272 10887 0 10738 13 3 10 10 0 8 0 rwobjpl 24 275156 0 247951 164 0 164 164 0 8 0 pdppl 4096 21782 0 21597 920 735 185 185 0 8 0 pvpl 32 4017027 0 3993393 448 222 226 258 0 265 21 pmappl 216 10887 0 10738 9 0 9 9 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2630 0 1684 30 1 29 29 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace softclock(0) at softclock+0xc7 sys/kern/kern_timeout.c:750 softintr_dispatch(0) at softintr_dispatch+0xd1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f buf_get(0,0,38314fa) at buf_get+0x750 sys/kern/vfs_bio.c:1186 geteblk(38314fa) at geteblk+0x2c sys/kern/vfs_bio.c:1061 readdisklabel(2902,ffffffff81835040,ffff800000d54000,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96 vndopen(2902,1,2000,ffff80002179a540) at vndopen+0x17a sys/dev/vnd.c:203 spec_open(ffff80002e958db8) at spec_open+0x3df sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd806eea9a78,1,fffffd807f7d78f0,ffff80002179a540) at VOP_OPEN+0x6c sys/kern/vfs_vops.c:138 vn_open(ffff80002e959008,1,0) at vn_open+0x467 sys/kern/vfs_vnops.c:177 doopenat(ffff80002179a540,ffffff9c,200000c0,0,0,ffff80002e9591f0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127 syscall(ffff80002e959260) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2f9acd4f9a0, count: -13 ddb> machine ddbcpu 1 No such command ddb> trace softclock(0) at softclock+0xc7 sys/kern/kern_timeout.c:750 softintr_dispatch(0) at softintr_dispatch+0xd1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f buf_get(0,0,38314fa) at buf_get+0x750 sys/kern/vfs_bio.c:1186 geteblk(38314fa) at geteblk+0x2c sys/kern/vfs_bio.c:1061 readdisklabel(2902,ffffffff81835040,ffff800000d54000,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96 vndopen(2902,1,2000,ffff80002179a540) at vndopen+0x17a sys/dev/vnd.c:203 spec_open(ffff80002e958db8) at spec_open+0x3df sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd806eea9a78,1,fffffd807f7d78f0,ffff80002179a540) at VOP_OPEN+0x6c sys/kern/vfs_vops.c:138 vn_open(ffff80002e959008,1,0) at vn_open+0x467 sys/kern/vfs_vnops.c:177 doopenat(ffff80002179a540,ffffff9c,200000c0,0,0,ffff80002e9591f0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127 syscall(ffff80002e959260) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2f9acd4f9a0, count: -13