audit: audit_backlog=10 > audit_backlog_limit=9 audit: audit_lost=1 audit_rate_limit=2147483648 audit_backlog_limit=9 Kernel panic - not syncing: audit: backlog limit exceeded CPU: 0 PID: 28434 Comm: blkid 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_start+0x55b/0x9a0 kernel/audit.c:1795 common_lsm_audit+0xd9/0x17b0 security/lsm_audit.c:449 slow_avc_audit+0x23b/0x3c0 security/selinux/avc.c:785 avc_audit security/selinux/include/avc.h:140 [inline] avc_has_perm+0x1f0/0x260 security/selinux/avc.c:1188 inode_has_perm security/selinux/hooks.c:1688 [inline] selinux_mmap_file+0x20b/0x360 security/selinux/hooks.c:3718 security_mmap_file+0x129/0x1b0 security/security.c:1450 vm_mmap_pgoff+0x115/0x230 mm/util.c:492 vm_mmap+0x8d/0xb0 mm/util.c:515 elf_map+0x1b8/0x310 fs/binfmt_elf.c:377 load_elf_binary+0x1017/0x3720 fs/binfmt_elf.c:983 search_binary_handler+0x190/0x5e0 fs/exec.c:1659 exec_binprm fs/exec.c:1702 [inline] __do_execve_file+0x12a2/0x1c00 fs/exec.c:1822 do_execveat_common fs/exec.c:1868 [inline] do_execve fs/exec.c:1885 [inline] __do_sys_execve fs/exec.c:1961 [inline] __se_sys_execve fs/exec.c:1956 [inline] __x64_sys_execve+0x94/0xb0 fs/exec.c:1956 do_syscall_64+0xc0/0x100 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fb31efba207 Code: Bad RIP value. RSP: 002b:00007ffdaeadd938 EFLAGS: 00000202 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fb31efba207 RDX: 0000000000b93280 RSI: 00007ffdaeadda30 RDI: 00007ffdaeadea40 RBP: 0000000000625500 R08: 000000000000125e R09: 000000000000125e R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000b93280 R13: 0000000000000007 R14: 0000000000af8030 R15: 0000000000000005 Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..