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================================================================== BUG: KASAN: wild-memory-access in memcpy include/linux/string.h:406 [inline] BUG: KASAN: wild-memory-access in copy_from_sockptr_offset include/linux/sockptr.h:71 [inline] BUG: KASAN: wild-memory-access in copy_from_sockptr include/linux/sockptr.h:77 [inline] BUG: KASAN: wild-memory-access in memdup_sockptr include/linux/sockptr.h:95 [inline] BUG: KASAN: wild-memory-access in sctp_setsockopt+0x293/0x9380 net/sctp/socket.c:4460 Read of size 8 at addr 00000000ffffffff by task syz-executor099/6836 CPU: 1 PID: 6836 Comm: syz-executor099 Not tainted 5.8.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 __kasan_report mm/kasan/report.c:517 [inline] kasan_report.cold+0x5/0x37 mm/kasan/report.c:530 check_memory_region_inline mm/kasan/generic.c:186 [inline] check_memory_region+0x13d/0x180 mm/kasan/generic.c:192 memcpy+0x20/0x60 mm/kasan/common.c:105 memcpy include/linux/string.h:406 [inline] copy_from_sockptr_offset include/linux/sockptr.h:71 [inline] copy_from_sockptr include/linux/sockptr.h:77 [inline] memdup_sockptr include/linux/sockptr.h:95 [inline] sctp_setsockopt+0x293/0x9380 net/sctp/socket.c:4460 __sys_setsockopt+0x2ad/0x6d0 net/socket.c:2138 __do_sys_setsockopt net/socket.c:2149 [inline] __se_sys_setsockopt net/socket.c:2146 [inline] __ia32_sys_setsockopt+0xb9/0x150 net/socket.c:2146 do_syscall_32_irqs_on arch/x86/entry/common.c:84 [inline] __do_fast_syscall_32+0x57/0x80 arch/x86/entry/common.c:126 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:149 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7feb569 Code: 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000fffd6e0c EFLAGS: 00000296 ORIG_RAX: 000000000000016e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000084 RDX: 0000000000000013 RSI: 00000000ffffffff RDI: 0000000000000008 RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/08/14 00:34 | upstream | 990f227371a4 | 54ce1ed6 | .config | console log | report | syz | C | ci-upstream-kasan-gce-386 | |||
2020/08/13 23:14 | upstream | 990f227371a4 | 54ce1ed6 | .config | console log | report | ci-upstream-kasan-gce-386 |