Kernel panic - not syncing: smack: Failed to initialize cipso DOI. CPU: 0 PID: 8824 Comm: syz-executor.5 Not tainted 5.15.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106 panic+0x2d6/0x810 kernel/panic.c:232 smk_cipso_doi+0x57a/0x580 security/smack/smackfs.c:698 smk_write_doi+0x1ab/0x270 security/smack/smackfs.c:1615 vfs_write+0x327/0xe90 fs/read_write.c:592 ksys_write+0x18f/0x2c0 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f9dfbd16a39 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9df928c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f9dfbe19f60 RCX: 00007f9dfbd16a39 RDX: 0000000000000014 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f9df928c1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd27c1458f R14: 00007f9df928c300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..