Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4400 Comm: syz.4.59 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 : fetch_robust_entry kernel/futex/core.c:3762 [inline] pc : exit_robust_list+0x11c/0x5f0 kernel/futex/core.c:3793 lr : fetch_robust_entry kernel/futex/core.c:3762 [inline] lr : exit_robust_list+0xf8/0x5f0 kernel/futex/core.c:3793 sp : ffff8000209d79f0 x29: ffff8000209d7a30 x28: dfff800000000000 x27: ffff0000cc8b3eb0 x26: 0000000000000000 x25: 1fffe000199166d4 x24: 0000aaaade68b0e0 x23: 00aaaade68b0e000 x22: 00000000fffffff2 x21: ffff0000cc8b36a4 x20: ffff0000cc8b3680 x19: ffff0000cc8b3680 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000083c4fd0 x15: 0000000000000000 x14: 00000000111b85b8 x13: 1ffff0000282e06b x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000aaaade68b0e0 x9 : 0000ffffffffffff x8 : 0000aaaade68b0e0 x7 : ffff800008750ed4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: fetch_robust_entry kernel/futex/core.c:3762 [inline] exit_robust_list+0x11c/0x5f0 kernel/futex/core.c:3793 futex_cleanup kernel/futex/core.c:3845 [inline] futex_exit_release+0x124/0x1ac kernel/futex/core.c:3946 exit_mm_release+0x24/0x40 kernel/fork.c:1431 exit_mm+0xa4/0x684 kernel/exit.c:488 do_exit+0x4ec/0x1f58 kernel/exit.c:870 do_group_exit+0x100/0x268 kernel/exit.c:997 __do_sys_exit_group kernel/exit.c:1008 [inline] __se_sys_exit_group kernel/exit.c:1006 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1006 __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 2a1f03f6 2a1f03e0 f840095a (2a1603e1) ---[ end trace fbcd44c4618086bf ]--- ---------------- Code disassembly (best guess): 0: d503229f csdb 4: 2a1f03f6 mov w22, wzr 8: 2a1f03e0 mov w0, wzr c: f840095a ldtr x26, [x10] * 10: 2a1603e1 mov w1, w22 <-- trapping instruction