Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 5259 Comm: syz.4.500 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) pc : rseq_get_rseq_cs_ptr_val kernel/rseq.c:131 [inline] pc : __do_sys_rseq kernel/rseq.c:408 [inline] pc : __se_sys_rseq kernel/rseq.c:350 [inline] pc : __arm64_sys_rseq+0x408/0x75c kernel/rseq.c:350 lr : rseq_get_rseq_cs_ptr_val kernel/rseq.c:131 [inline] lr : __do_sys_rseq kernel/rseq.c:408 [inline] lr : __se_sys_rseq kernel/rseq.c:350 [inline] lr : __arm64_sys_rseq+0x3e4/0x75c kernel/rseq.c:350 sp : ffff800020057d10 x29: ffff800020057d20 x28: ffff0000d60f8000 x27: 0000000000000800 x26: 1fffe0001ac1f28d x25: dfff800000000000 x24: 00000000fffffff2 x23: 0000000000000000 x22: ffff0000d60f9468 x21: ffff0000d60f8000 x20: 0000000000000000 x19: 0000000000000000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800008659874 x15: 0000000000000000 x14: 0000000000000000 x13: 1ffff0000282e06b x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000008 x9 : 0000ffffffffffff x8 : 0000000000000008 x7 : ffff800008750ed4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: rseq_get_rseq_cs_ptr_val kernel/rseq.c:131 [inline] __do_sys_rseq kernel/rseq.c:408 [inline] __se_sys_rseq kernel/rseq.c:350 [inline] __arm64_sys_rseq+0x408/0x75c kernel/rseq.c:350 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: d503229f 2a1f03f8 2a1f03e0 f8400957 (2a1803e1) ---[ end trace e1d52d31fa5e1334 ]--- ---------------- Code disassembly (best guess): 0: d503229f csdb 4: 2a1f03f8 mov w24, wzr 8: 2a1f03e0 mov w0, wzr c: f8400957 ldtr x23, [x10] * 10: 2a1803e1 mov w1, w24 <-- trapping instruction