RAX: ffffffffffffffda RBX: 00007f43930806d4 RCX: 000000000045c849 RDX: 0000000000000014 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000cfb R14: 00000000004cf216 R15: 0000000000000000 Kernel panic - not syncing: smack: Failed to initialize cipso DOI. CPU: 0 PID: 22806 Comm: syz-executor.0 Not tainted 5.6.0-rc7-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+0x1e9/0x30e lib/dump_stack.c:118 panic+0x264/0x7a0 kernel/panic.c:221 smk_cipso_doi+0x4d8/0x4e0 security/smack/smackfs.c:698 smk_write_doi+0x123/0x190 security/smack/smackfs.c:1595 __vfs_write+0xa7/0x710 fs/read_write.c:494 vfs_write+0x271/0x570 fs/read_write.c:558 ksys_write+0x115/0x220 fs/read_write.c:611 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c849 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f439307fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f43930806d4 RCX: 000000000045c849 RDX: 0000000000000014 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000cfb R14: 00000000004cf216 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..