Oops: general protection fault, probably for non-canonical address 0x1ffff110038dabee: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 29 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:0xffffffffa0003b6c Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 41 ff e3 cc 41 ff e3 cc 41 ff e3 cc <41> ff e3 cc 41 ff e3 cc 41 ff e3 cc 41 ff e3 cc 41 ff e3 cc cc cc RSP: 0018:ffffc90000a3fa38 EFLAGS: 00010246 RAX: ffffffff81af7db8 RBX: 0000000080000000 RCX: ffff88801d2ebc00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffffc900001a7b40 RBP: ffffc90000a3fb30 R08: 0000000000000000 R09: 0000000000000100 R10: dffffc0000000000 R11: 1ffff110038dabee R12: 0000000000000001 R13: 00000000ffffc400 R14: 1ffff92000147f4c R15: ffffc900001a7b40 FS: 0000000000000000(0000) GS:ffff888126695000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7404e55180 CR3: 00000000346d4000 CR4: 00000000003526f0 Call Trace: expire_timers kernel/time/timer.c:1799 [inline] __run_timers kernel/time/timer.c:2373 [inline] __run_timer_base+0x6a3/0x9f0 kernel/time/timer.c:2385 run_timer_base kernel/time/timer.c:2394 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2404 handle_softirqs+0x1de/0x640 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] run_ktimerd+0x69/0x100 kernel/softirq.c:1138 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160 kthread+0x388/0x470 kernel/kthread.c:467 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:0xffffffffa0003b6c Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 41 ff e3 cc 41 ff e3 cc 41 ff e3 cc <41> ff e3 cc 41 ff e3 cc 41 ff e3 cc 41 ff e3 cc 41 ff e3 cc cc cc RSP: 0018:ffffc90000a3fa38 EFLAGS: 00010246 RAX: ffffffff81af7db8 RBX: 0000000080000000 RCX: ffff88801d2ebc00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffffc900001a7b40 RBP: ffffc90000a3fb30 R08: 0000000000000000 R09: 0000000000000100 R10: dffffc0000000000 R11: 1ffff110038dabee R12: 0000000000000001 R13: 00000000ffffc400 R14: 1ffff92000147f4c R15: ffffc900001a7b40 FS: 0000000000000000(0000) GS:ffff888126695000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7404e55180 CR3: 00000000346d4000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: cc int3 1: cc int3 2: cc int3 3: cc int3 4: cc int3 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: cc int3 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: cc int3 1d: cc int3 1e: 41 ff e3 jmp *%r11 21: cc int3 22: 41 ff e3 jmp *%r11 25: cc int3 26: 41 ff e3 jmp *%r11 29: cc int3 * 2a: 41 ff e3 jmp *%r11 <-- trapping instruction 2d: cc int3 2e: 41 ff e3 jmp *%r11 31: cc int3 32: 41 ff e3 jmp *%r11 35: cc int3 36: 41 ff e3 jmp *%r11 39: cc int3 3a: 41 ff e3 jmp *%r11 3d: cc int3 3e: cc int3 3f: cc int3