kernel tried to execute NX-protected page - exploit attempt? (uid: 0) BUG: unable to handle page fault for address: ffffea0007534b80 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0011) - permissions violation PGD 237ff3067 P4D 237ff3067 PUD 237ff2067 PMD 800000023e4001e3 Oops: 0011 [#1] PREEMPT SMP KASAN CPU: 1 PID: 17 Comm: ksoftirqd/1 Not tainted 5.4.289-syzkaller-00011-g39762b7a60e9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:0xffffea0007534b80 Code: ad de 80 87 d7 ed 81 88 ff ff 00 00 00 00 00 00 00 00 0c 00 0c 00 00 00 00 00 ff ff ff ff 01 00 00 00 00 00 00 00 00 00 00 00 <02> 00 00 00 00 00 00 80 00 01 00 00 00 00 ad de 22 01 00 00 00 00 RSP: 0018:ffff8881f5e27b58 EFLAGS: 00010206 RAX: ffffffff8154e8aa RBX: 0000000000000100 RCX: ffff8881f5e16e40 RDX: 0000000080000100 RSI: ffffea0007534b80 RDI: ffff8881d28231c0 RBP: ffff8881f5e27d08 R08: ffffffff8154e4ee R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 00000000ffffa6f8 R13: dffffc0000000000 R14: ffffea0007534b80 R15: ffff8881d28231c0 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffea0007534b80 CR3: 00000001d7876000 CR4: 00000000003406a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292 run_ksoftirqd+0x1f/0x30 kernel/softirq.c:603 smpboot_thread_fn+0x545/0x930 kernel/smpboot.c:165 kthread+0x2da/0x360 kernel/kthread.c:288 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354 Modules linked in: CR2: ffffea0007534b80 ---[ end trace aced6b87e168ee84 ]--- RIP: 0010:0xffffea0007534b80 Code: ad de 80 87 d7 ed 81 88 ff ff 00 00 00 00 00 00 00 00 0c 00 0c 00 00 00 00 00 ff ff ff ff 01 00 00 00 00 00 00 00 00 00 00 00 <02> 00 00 00 00 00 00 80 00 01 00 00 00 00 ad de 22 01 00 00 00 00 RSP: 0018:ffff8881f5e27b58 EFLAGS: 00010206 RAX: ffffffff8154e8aa RBX: 0000000000000100 RCX: ffff8881f5e16e40 RDX: 0000000080000100 RSI: ffffea0007534b80 RDI: ffff8881d28231c0 RBP: ffff8881f5e27d08 R08: ffffffff8154e4ee R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 00000000ffffa6f8 R13: dffffc0000000000 R14: ffffea0007534b80 R15: ffff8881d28231c0 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffea0007534b80 CR3: 00000001d7876000 CR4: 00000000003406a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600