request_module fs-gadgetfs succeeded, but still no fs? L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. BUG: kernel NULL pointer dereference, address: 0000000000000086 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 0 P4D 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 363 Comm: syz-executor126 Not tainted 5.4.289-syzkaller-00011-g39762b7a60e9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:0x86 Code: Bad RIP value. RSP: 0018:ffff8881ee7ff308 EFLAGS: 00010086 RAX: ffff8881ee7ff338 RBX: dffffc0000000000 RCX: ffff8881f32d6e40 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000ec0 R08: ffffffff8231cac1 R09: ffffffff811c8f95 R10: ffff8881f32d6e40 R11: 0000000000000002 R12: ffffffff84601550 R13: fffffe0000000ec8 R14: ffff8881eb2e0000 R15: fffffe0000000ecb FS: 0000555572660380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000005c CR3: 00000001e04a1000 CR4: 00000000003426b0 Call Trace: Modules linked in: CR2: 0000000000000086 ---[ end trace 613fc7d1f14917ee ]--- RIP: 0010:0x86 Code: Bad RIP value. RSP: 0018:ffff8881ee7ff308 EFLAGS: 00010086 RAX: ffff8881ee7ff338 RBX: dffffc0000000000 RCX: ffff8881f32d6e40 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000ec0 R08: ffffffff8231cac1 R09: ffffffff811c8f95 R10: ffff8881f32d6e40 R11: 0000000000000002 R12: ffffffff84601550 R13: fffffe0000000ec8 R14: ffff8881eb2e0000 R15: fffffe0000000ecb FS: 0000555572660380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000005c CR3: 00000001e04a1000 CR4: 00000000003426b0