syzbot


kernel panic: audit: rate limit exceeded

Status: closed as invalid on 2020/02/27 15:45
Reported-by: syzbot+d42f1eb23dec13cd6bdd@syzkaller.appspotmail.com
First crash: 1018d, last: 1018d
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel panic: audit: rate limit exceeded C done 5 1016d 1016d 0/24 closed as dup on 2020/02/27 15:41
linux-4.19 kernel panic: audit: rate limit exceeded C error 1 441d 1017d 0/1 upstream: reported C repro on 2020/02/23 17:28

Sample crash report:
audit: audit_lost=1 audit_rate_limit=2 audit_backlog_limit=0
Kernel panic - not syncing: audit: rate limit exceeded
CPU: 1 PID: 1874 Comm: syz-executor075 Not tainted 5.4.21-syzkaller-00756-ge12432318607 #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+0x1b0/0x228 lib/dump_stack.c:118
 panic+0x26c/0x719 kernel/panic.c:221
 audit_panic kernel/audit.c:306 [inline]
 audit_log_lost+0x1d7/0x1e0 kernel/audit.c:376
 audit_log_end+0x1f1/0x230 kernel/audit.c:2320
 audit_log_config_change+0x131/0x190 kernel/audit.c:395
 audit_receive_msg kernel/audit.c:1276 [inline]
 audit_receive+0x2c4a/0x3750 kernel/audit.c:1512
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x87c/0xa20 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x9a7/0xd40 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:638 [inline]
 sock_sendmsg net/socket.c:658 [inline]
 ____sys_sendmsg+0x56f/0x860 net/socket.c:2298
 ___sys_sendmsg net/socket.c:2352 [inline]
 __sys_sendmsg+0x26a/0x350 net/socket.c:2398
 __do_sys_sendmsg net/socket.c:2407 [inline]
 __se_sys_sendmsg net/socket.c:2405 [inline]
 __x64_sys_sendmsg+0x7f/0x90 net/socket.c:2405
 do_syscall_64+0xc0/0x100 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x441239
Code: e8 fc ab 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 9b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fff4edc71d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441239
RDX: 0000000000000000 RSI: 00000000200006c0 RDI: 0000000000000003
RBP: 00000000000059f4 R08: 00000000004002c8 R09: 00000000004002c8
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000402060
R13: 00000000004020f0 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-android-5-4-kasan 2020/02/22 17:08 https://android.googlesource.com/kernel/common android-5.4 e12432318607 2c36e7a7 .config log report syz C
* Struck through repros no longer work on HEAD.