login: kernel: page fault trap, code=2 Stopped at softclock+0xd7: 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+0xd7 sys/kern/kern_timeout.c:751 softintr_dispatch(0) at softintr_dispatch+0xc1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 buf_get(0,0,4000000) at buf_get+0x446 sys/kern/vfs_bio.c:1182 geteblk(4000000) at geteblk+0x3c sys/kern/vfs_bio.c:1058 readdisklabel(2902,ffffffff821f7a20,ffff800000e69400,0) at readdisklabel+0x14b sys/arch/amd64/amd64/disksubr.c:96 vndopen(2902,41,2000,ffff80002a605000) at vndopen+0x189 sys/dev/vnd.c:204 spec_open(ffff8000343befe8) at spec_open+0x220 sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd806ead2c30,41,fffffd807f7d7680,ffff80002a605000) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138 vn_open(ffff8000343bf238,41,0) at vn_open+0x4e4 sys/kern/vfs_vnops.c:177 doopenat(ffff80002a605000,ffffff9c,20000080,40,0,ffff8000343bf3d0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126 syscall(ffff8000343bf480) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4d8414dc4e0, count: -13 ddb> show registers rdi 0xffffffff rsi 0xd rbp 0xffff8000343bebe0 rbx 0xffffffff82d38350 timeout_todo rdx 0 rcx 0 rax 0 r8 0x100000 acpi_pdirpa+0xebe71 r9 0 r10 0xb572fa396b7c95b r11 0x913757fec3b0a1c3 r12 0xffffffff82e0b500 x86_soft_intrs r13 0xffffffff82e0c630 rdrand_tmo r14 0 r15 0xffff80002a6770d0 rip 0xffffffff81121cf7 softclock+0xd7 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000343beba0 ss 0x10 softclock+0xd7: movq %rcx,0x8(%rax) ddb> show proc kernel: page fault trap, code=0 Faulted in DDB; continuing... ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 4325 426773 97660 0 2 0 syz-executor.0 4325 452727 97660 0 3 0x4000080 fsleep syz-executor.0 58893 398563 8920 0 2 0x4000000 syz-executor.5 29138 514400 67810 0 2 0 syz-executor.2 29138 114187 67810 0 3 0x4000080 fsleep syz-executor.2 26757 468269 14322 0 3 0x82 nanoslp syz-executor.1 56203 271377 1 0 3 0x18100083 ttyin getty 67810 394828 14322 0 3 0x82 nanoslp syz-executor.2 65374 41784 14322 0 3 0x82 nanoslp syz-executor.7 42777 322276 0 0 3 0x14280 nfsidl nfsio 58287 337867 0 0 3 0x14280 nfsidl nfsio 71385 360576 0 0 3 0x14280 nfsidl nfsio 71430 300130 0 0 3 0x14280 nfsidl nfsio 27322 287777 0 0 3 0x14280 nfsidl nfsio 48700 247757 0 0 3 0x14280 nfsidl nfsio 25847 423455 0 0 3 0x14280 nfsidl nfsio 13701 477534 14322 0 3 0x82 nanoslp syz-executor.4 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10181 6423K 10773K 166960K 30182 0 pcb 15 18K 20K 166960K 860 0 rtable 231 11K 11K 166960K 2077 0 pf 31 9K 10K 166960K 349 0 ifaddr 42 12K 12K 166960K 291 0 ifgroup 54 2K 2K 166960K 538 0 sysctl 4 1K 1K 166960K 4 0 counters 31 17K 18K 166960K 166 0 ioctlops 0 0K 2K 166960K 817 0 iov 0 0K 26K 166960K 1060 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1545 97K 97K 166960K 6713 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 91 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 1017 0 dirhash 12 2K 2K 166960K 51 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 73K 166960K 8095 0 sigio 0 0K 0K 166960K 710 0 proc 58 59K 75K 166960K 1687 0 subproc 104 6K 6K 166960K 520 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 1206 0 in_multi 84 6K 7K 166960K 602 0 ether_multi 1 0K 0K 166960K 26 0 mrt 0 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 2069 0 pfkey data 0 0K 0K 166960K 67 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 449 490K 495K 166960K 75771 0 UVM aobj 131 8K 8K 166960K 144 0 pinsyscall 22 44K 100K 166960K 2297 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 296 0 NDP 12 0K 1K 166960K 228 0 temp 74 6804K 7440K 166960K 83169 0 kqueue 12 18K 31K 166960K 631 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 758 0 755 4 2 2 3 0 8 1 rtentry 112 613 0 509 4 1 3 4 0 8 0 unpcb 144 6456 0 6439 15 9 6 10 0 8 5 syncache 336 78 0 78 2 1 1 1 0 8 1 tcpqe 32 472 0 472 1 1 0 1 0 8 0 tcpcb 808 2299 0 2294 20 16 4 17 0 8 3 arp 88 99 0 80 1 0 1 1 0 8 0 ipq 40 73 0 72 2 1 1 1 0 8 0 ipqe 40 193 0 192 2 1 1 1 0 8 0 inpcb 360 6733 0 6725 36 27 9 13 0 8 8 nd6 104 124 0 104 1 0 1 1 0 8 0 pkpcb 40 79 0 79 1 1 0 1 0 8 0 kcovpl 48 40 0 32 1 0 1 1 0 8 0 ppxss 1072 52 0 52 2 1 1 1 0 8 1 art_heap8 4096 5 0 4 3 2 1 3 0 8 0 art_heap4 256 2052 0 1615 34 6 28 30 0 8 0 art_table 32 2057 0 1619 4 0 4 4 0 8 0 art_node 16 526 0 434 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 7 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 1014 0 1004 1 0 1 1 0 8 0 shmpl 112 141 0 13 4 0 4 4 0 8 0 dirhash 1024 43 0 26 3 0 3 3 0 8 0 dirhash: pool(0xffffffff82e0c2d8:dirhash): free list modified: page 0xffff80002a60c000; item ordinal 0; addr 0xffff80002a60cc00 (p 0xfffffd807e4ba000); offset 0x0=0x0 pool(dirhash): free list modified: page 0xffff80002a60c000; item ordinal 0; addr 0xffff80002a60cc00 (p 0xfffffd807e4ba000); offset 0x0=0x0 dirhash: pool(0xffffffff82e0c2d8:dirhash): page inconsistency: page 0xffff80002a60c000; item ordinal 1; addr 0xb4d26eac989845ef dino2pl 256 12015 0 10452 98 0 98 98 0 8 0 ffsino 240 12015 0 10452 93 0 93 93 0 8 0 nchpl 144 22833 0 21100 66 0 66 66 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 77902 0 77902 3 2 1 2 0 8 1 namei: pool(0xffffffff82e4c118:namei): free list modified: page 0xffff80002a5f6000; item ordinal 0; addr 0xffff80002a5f6400 (p 0xfffffd8067920000); offset 0x0=0x0 namei: pool(0xffffffff82e4c118:namei): page inconsistency: page 0xffff80002a5f6000; item ordinal 1; addr 0x7948df857e964d vcpupl 2048 77 0 0 10 0 10 10 0 8 0 vmpool 664 90 0 13 7 0 7 7 0 8 0 vmpool: pool(0xffffffff82e559f8:vmpool): page inconsistency: page 0x0; at page head addr 0xffff80002a6b1f90 (p 0xffff80002a6b0000) vmpool: pool(0xffffffff82e559f8:vmpool): page inconsistency: page 0x0; at page head addr 0xffff80002a6a3f90 (p 0xffff80002a6a2000) kstatmem 264 294 0 270 3 1 2 3 0 8 0 scxspl 216 68272 0 68272 8 7 1 8 1 8 1 plimitpl 152 1272 0 1257 1 0 1 1 0 8 0 sigapl 424 8521 0 8454 8 0 8 8 0 8 0 futexpl 64 74830 0 74825 1 0 1 1 0 8 0 knotepl 120 80225 0 80143 11 6 5 10 0 8 2 kqueuepl 184 1282 0 1274 6 3 3 4 0 8 2 pipepl 288 1894 0 1866 9 6 3 9 0 8 0 fdescpl 432 8320 0 8292 4 0 4 4 0 8 0 filepl 120 50641 0 50401 26 12 14 20 0 8 5 lockfpl 104 2471 0 2469 2 1 1 2 0 8 0 lockfspl 48 956 0 954 1 0 1 1 0 8 0 sessionpl 144 60 0 44 1 0 1 1 0 8 0 pgrppl 48 272 0 256 1 0 1 1 0 8 0 ucredpl 104 6178 0 6167 1 0 1 1 0 8 0 zombiepl 144 8455 0 8454 1 0 1 1 0 8 0 processpl 1072 8521 0 8454 5 0 5 5 0 8 0 procpl 680 20238 0 20150 10 1 9 9 0 8 1 procpl: pool(0xffffffff82e14688:procpl): free list modified: page 0xffff80002a61e000; item ordinal 0; addr 0xffff80002a61fd58 (p 0xfffffd8067cb2000); offset 0x0=0x0 procpl: pool(0xffffffff82e14688:procpl): page inconsistency: page 0xffff80002a61e000; item ordinal 1; addr 0xea22af95836206bb procpl: pool(0xffffffff82e14688:procpl): free list modified: page 0xffff80002a5d6000; item ordinal 0; addr 0xffff80002a5d62b0 (p 0xfffffd807f7e4000); offset 0x0=0x0 pool(procpl): free list modified: page 0xffff80002a5d6000; item ordinal 0; addr 0xffff80002a5d62b0 (p 0xfffffd807f7e4000); offset 0x0=0x0 procpl: pool(0xffffffff82e14688:procpl): page inconsistency: page 0xffff80002a5d6000; item ordinal 1; addr 0x9ed40bbeecb462b procpl: pool(0xffffffff82e14688:procpl): free list modified: page 0xffff80002a6b2000; item ordinal 0; addr 0xffff80002a6b3298 (p 0xfffffd8067cb2000); offset 0x0=0x0 pool(procpl): free list modified: page 0xffff80002a6b2000; item ordinal 0; addr 0xffff80002a6b3298 (p 0xfffffd8067cb2000); offset 0x0=0x0 procpl: pool(0xffffffff82e14688:procpl): page inconsistency: page 0xffff80002a6b2000; item ordinal 1; addr 0x6ae264abefbe3add sosppl 168 58 0 58 1 1 0 1 0 8 0 sockpl 488 14109 0 14081 244 233 11 36 0 8 7 mcl64k 65536 355 0 355 2 1 1 1 0 8 1 mcl16k 16384 198 0 198 2 1 1 1 0 8 1 mcl12k 12288 296 0 296 2 1 1 1 0 8 1 mcl9k 9216 135 0 135 2 1 1 1 0 8 1 mcl8k 8192 673 0 673 2 1 1 1 0 8 1 mcl4k 4096 1025 0 1025 5 4 1 4 0 8 1 mcl2k2 2112 47 0 47 2 1 1 1 0 8 1 mcl2k 2048 91688 0 91632 38 28 10 29 0 8 1 mtagpl 96 1942 0 1530 15 4 11 12 0 8 0 mbufpl 256 215414 0 214911 143 95 48 74 0 8 14 bufpl 280 16531 0 10195 453 0 453 453 0 8 0 anonpl 24 761974 0 747793 103 7 96 103 0 188 2 amapchunkpl 152 253273 0 252404 48 10 38 48 0 158 1 amappl16 200 11680 0 11168 43 12 31 40 0 8 3 amappl15 192 60 0 58 1 0 1 1 0 8 0 amappl14 184 249 0 238 2 1 1 2 0 8 0 amappl13 176 20 0 19 1 0 1 1 0 8 0 amappl12 168 9460 0 9431 2 0 2 2 0 8 0 amappl11 160 51 0 41 1 0 1 1 0 8 0 amappl10 152 136 0 127 1 0 1 1 0 8 0 amappl9 144 192 0 191 1 0 1 1 0 8 0 amappl8 136 433 0 345 4 0 4 4 0 8 0 amappl7 128 86 0 72 1 0 1 1 0 8 0 amappl6 120 787 0 764 2 1 1 2 0 8 0 amappl5 112 443 0 431 1 0 1 1 0 8 0 amappl4 104 875 0 838 2 0 2 2 0 8 0 amappl3 96 47541 0 47459 3 0 3 3 0 8 0 amappl2 88 9122 0 9046 4 1 3 4 0 8 0 amappl1 80 39965 0 39468 22 11 11 22 0 8 0 amappl 88 74713 0 74453 7 0 7 7 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 72 143 0 13 3 0 3 3 0 8 0 uaddrrnd 24 8410 0 8305 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8410 0 8305 1 0 1 1 0 8 0 vmmpekpl 168 65898 0 65828 4 0 4 4 0 8 0 vmmpepl 168 505683 0 503249 156 21 135 138 0 357 18 vmsppl 352 8409 0 8305 10 0 10 10 0 8 0 rwobjpl 24 119793 0 112166 48 0 48 48 0 8 0 pdppl 4096 16826 0 16687 452 311 141 141 0 8 2 pvpl 32 2183362 0 2163456 346 172 174 346 0 265 0 pmappl 216 8409 0 8305 6 0 6 6 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 932 0 477 15 0 15 15 0 8 1 ddb> machine ddbcpu 0 No such command ddb> trace softclock(0) at softclock+0xd7 sys/kern/kern_timeout.c:751 softintr_dispatch(0) at softintr_dispatch+0xc1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 buf_get(0,0,4000000) at buf_get+0x446 sys/kern/vfs_bio.c:1182 geteblk(4000000) at geteblk+0x3c sys/kern/vfs_bio.c:1058 readdisklabel(2902,ffffffff821f7a20,ffff800000e69400,0) at readdisklabel+0x14b sys/arch/amd64/amd64/disksubr.c:96 vndopen(2902,41,2000,ffff80002a605000) at vndopen+0x189 sys/dev/vnd.c:204 spec_open(ffff8000343befe8) at spec_open+0x220 sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd806ead2c30,41,fffffd807f7d7680,ffff80002a605000) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138 vn_open(ffff8000343bf238,41,0) at vn_open+0x4e4 sys/kern/vfs_vnops.c:177 doopenat(ffff80002a605000,ffffff9c,20000080,40,0,ffff8000343bf3d0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126 syscall(ffff8000343bf480) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4d8414dc4e0, count: -13 ddb> machine ddbcpu 1 No such command ddb> trace softclock(0) at softclock+0xd7 sys/kern/kern_timeout.c:751 softintr_dispatch(0) at softintr_dispatch+0xc1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 buf_get(0,0,4000000) at buf_get+0x446 sys/kern/vfs_bio.c:1182 geteblk(4000000) at geteblk+0x3c sys/kern/vfs_bio.c:1058 readdisklabel(2902,ffffffff821f7a20,ffff800000e69400,0) at readdisklabel+0x14b sys/arch/amd64/amd64/disksubr.c:96 vndopen(2902,41,2000,ffff80002a605000) at vndopen+0x189 sys/dev/vnd.c:204 spec_open(ffff8000343befe8) at spec_open+0x220 sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd806ead2c30,41,fffffd807f7d7680,ffff80002a605000) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138 vn_open(ffff8000343bf238,41,0) at vn_open+0x4e4 sys/kern/vfs_vnops.c:177 doopenat(ffff80002a605000,ffffff9c,20000080,40,0,ffff8000343bf3d0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126 syscall(ffff8000343bf480) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4d8414dc4e0, count: -13