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Subjectkernel panic: audit: rate limit exceeded

syzbot found the following crash on:

HEAD commit: 0c0ddd6a Merge tag 'linux-watchdog-5.6-rc3' of git://www.l..
git tree: net
console output:
kernel config:
dashboard link:
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro:
C reproducer:

The bug was bisected to:

commit 28b75415ad19fef232d8daab4d5de17d753f0b36
Author: Romain Perier <>
Date: Wed Aug 23 07:16:51 2017 +0000

wireless: ipw2200: Replace PCI pool old API

bisection log:
final crash:
console output:

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Fixes: 28b75415ad19 ("wireless: ipw2200: Replace PCI pool old API")

audit: audit_lost=1 audit_rate_limit=2 audit_backlog_limit=0
Kernel panic - not syncing: audit: rate limit exceeded
CPU: 1 PID: 10031 Comm: syz-executor626 Not tainted 5.6.0-rc2-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+0x197/0x210 lib/dump_stack.c:118
panic+0x2e3/0x75c kernel/panic.c:221
audit_panic.cold+0x32/0x32 kernel/audit.c:307
audit_log_lost kernel/audit.c:377 [inline]
audit_log_lost+0x8b/0x180 kernel/audit.c:349
audit_log_end+0x23c/0x2b0 kernel/audit.c:2322
audit_log_config_change+0xcc/0xf0 kernel/audit.c:396
audit_receive_msg+0x2246/0x28b0 kernel/audit.c:1277
audit_receive+0x114/0x230 kernel/audit.c:1513
netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1329
netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1918
sock_sendmsg_nosec net/socket.c:652 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:672
____sys_sendmsg+0x753/0x880 net/socket.c:2343
___sys_sendmsg+0x100/0x170 net/socket.c:2397
__sys_sendmsg+0x105/0x1d0 net/socket.c:2430
__do_sys_sendmsg net/socket.c:2439 [inline]
__se_sys_sendmsg net/socket.c:2437 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2437
do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
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:00007ffd68c9df48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441239
RDX: 0000000000000000 RSI: 00000000200006c0 RDI: 0000000000000003
RBP: 0000000000018b16 R08: 00000000004002c8 R09: 00000000004002c8
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000402060
R13: 00000000004020f0 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..

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For information about bisection process see:
syzbot can test patches for this bug, for details see:

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