syzbot


assertion failed: va

Status: fixed on 2019/03/06 17:23
Reported-by: syzbot+feb212a7af2969509775@syzkaller.appspotmail.com
Fix commit: 27178190dd7c Check safety of user pointer syscall arguments
First crash: 2272d, last: 2094d

Sample crash report:
kernel panic at kern/src/ns/qio.c:1355, from core 0: assertion failed: va
Stack Backtrace on Core 0:
#01 [<0xffffffffc200a3ac>] in backtrace at src/kdebug.c:229
#02 [<0xffffffffc2009b3d>] in _panic at src/init.c:268
#03 [<0xffffffffc203a28b>] in read_all_blocks at src/ns/qio.c:1355
#04 [<0xffffffffc203c954>] in qread at src/ns/qio.c:1438
#05 [<0xffffffffc2014a8b>] in ipread at src/net/devip.c:874
#06 [<0xffffffffc203f883>] in rread at src/ns/sysfile.c:765
#07 [<0xffffffffc203fa2b>] in sysread at src/ns/sysfile.c:823
#08 [<0xffffffffc20569c1>] in sys_read at src/syscall.c:1698
#09 [<0xffffffffc2059f59>] in syscall at src/syscall.c:2465
#10 [<0xffffffffc205a124>] in run_local_syscall at src/syscall.c:2500
#11 [<0xffffffffc205a659>] in prep_syscalls at src/syscall.c:2520
#12 [<0xffffffffc20ac10a>] in sysenter_callwrapper at arch/x86/trap.c:854

Crashes (38):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/10/13 02:01 akaros 73001cbb86fe caf12900 .config console log report syz C ci-akaros-main
2019/02/28 13:27 akaros babe106ae718 09aeeba4 .config console log report ci-akaros-main
2019/02/25 01:46 akaros babe106ae718 0c7ffbea .config console log report ci-akaros-main
2019/02/24 21:59 akaros babe106ae718 0c7ffbea .config console log report ci-akaros-main
2019/02/23 15:00 akaros babe106ae718 0c7ffbea .config console log report ci-akaros-main
2019/02/19 03:58 akaros babe106ae718 59f36113 .config console log report ci-akaros-main
2019/02/17 04:30 akaros babe106ae718 f42dee6d .config console log report ci-akaros-main
2019/02/16 21:52 akaros babe106ae718 f42dee6d .config console log report ci-akaros-main
2019/02/14 21:40 akaros babe106ae718 76dd003f .config console log report ci-akaros-main
2019/02/12 10:26 akaros babe106ae718 65a0d619 .config console log report ci-akaros-main
2019/02/12 07:22 akaros babe106ae718 65a0d619 .config console log report ci-akaros-main
2019/02/08 00:39 akaros babe106ae718 aa4feb03 .config console log report ci-akaros-main
2019/02/07 16:29 akaros babe106ae718 aa4feb03 .config console log report ci-akaros-main
2019/02/06 14:55 akaros babe106ae718 d672172c .config console log report ci-akaros-main
2019/02/04 17:13 akaros babe106ae718 d672172c .config console log report ci-akaros-main
2019/01/28 11:10 akaros 828f5ad57f41 1602ad52 .config console log report ci-akaros-main
2019/01/21 07:57 akaros 828f5ad57f41 fd37a550 .config console log report ci-akaros-main
2019/01/20 18:16 akaros 828f5ad57f41 fd37a550 .config console log report ci-akaros-main
2019/01/19 19:21 akaros 828f5ad57f41 8aa587b0 .config console log report ci-akaros-main
2019/01/18 00:56 akaros 828f5ad57f41 769e75ed .config console log report ci-akaros-main
2019/01/17 18:17 akaros 828f5ad57f41 769e75ed .config console log report ci-akaros-main
2019/01/15 09:20 akaros 828f5ad57f41 ebacf5cb .config console log report ci-akaros-main
2019/01/12 10:51 akaros 828f5ad57f41 80dde172 .config console log report ci-akaros-main
2019/01/09 21:25 akaros d6471cf56952 45c0c1b1 .config console log report ci-akaros-main
2019/01/04 18:43 akaros d6471cf56952 0127e3ba .config console log report ci-akaros-main
2018/12/26 22:25 akaros d6471cf56952 e747ec98 .config console log report ci-akaros-main
2018/12/24 03:02 akaros d6471cf56952 e3bd7ab8 .config console log report ci-akaros-main
2018/12/23 23:51 akaros d6471cf56952 e3bd7ab8 .config console log report ci-akaros-main
2018/12/14 21:16 akaros f89b6d306593 7624ddd6 .config console log report ci-akaros-main
2018/12/07 10:42 akaros f89b6d306593 1eb6a7e4 .config console log report ci-akaros-main
2018/12/02 14:25 akaros f89b6d306593 e0d8c853 .config console log report ci-akaros-main
2018/11/27 14:16 akaros f89b6d306593 ac912200 .config console log report ci-akaros-main
2018/11/26 02:12 akaros f89b6d306593 ecc7c870 .config console log report ci-akaros-main
2018/11/15 16:27 akaros f89b6d306593 5f5f6d14 .config console log report ci-akaros-main
2018/11/08 08:27 akaros f89b6d306593 e85d2a61 .config console log report ci-akaros-main
2018/10/24 02:24 akaros c62a28c78976 a8292de9 .config console log report ci-akaros-main
2018/10/13 01:47 akaros 73001cbb86fe caf12900 .config console log report ci-akaros-main
2018/09/03 11:07 akaros 09363dc1775f 8d971420 .config console log report ci-akaros-main
* Struck through repros no longer work on HEAD.