Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 5146 Comm: syz.1.18 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 : clear_rseq_cs kernel/rseq.c:-1 [inline] pc : rseq_ip_fixup kernel/rseq.c:276 [inline] pc : __rseq_handle_notify_resume+0x89c/0x1604 kernel/rseq.c:314 lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:244 [inline] lr : clear_rseq_cs kernel/rseq.c:242 [inline] lr : rseq_ip_fixup kernel/rseq.c:276 [inline] lr : __rseq_handle_notify_resume+0x87c/0x1604 kernel/rseq.c:314 sp : ffff80001f417ac0 x29: ffff80001f417b80 x28: ffff700003e82f60 x27: dfff800000000000 x26: 0000ffffb7eb8f28 x25: 00000000fffffff2 x24: 0000002000004800 x23: 0000000020000048 x22: 0000000000000001 x21: ffff0000d02f51e4 x20: ffff0000d02f51c0 x19: 1fffe0001a05ea3c x18: 0000000000000000 x17: 0000000000000000 x16: ffff800008658704 x15: 0000000000000000 x14: 0000000000000000 x13: 1ffff0000282e06b x12: 0000000000ff0100 x11: 0000000020000048 x10: 0000ffffffffffff x9 : 0000000020000048 x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: clear_rseq_cs kernel/rseq.c:242 [inline] rseq_ip_fixup kernel/rseq.c:276 [inline] __rseq_handle_notify_resume+0x89c/0x1604 kernel/rseq.c:314 rseq_handle_notify_resume include/linux/sched.h:2202 [inline] tracehook_notify_resume include/linux/tracehook.h:201 [inline] do_notify_resume+0x21f8/0x3128 arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1e0 arch/arm64/kernel/entry-common.c:609 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: 9a9f02eb d503229f aa1f03e8 f8000968 (14000105) ---[ end trace 6c90033630293903 ]--- ---------------- Code disassembly (best guess): 0: 9a9f02eb csel x11, x23, xzr, eq // eq = none 4: d503229f csdb 8: aa1f03e8 mov x8, xzr c: f8000968 sttr x8, [x11] * 10: 14000105 b 0x424 <-- trapping instruction