XFS (loop0): Ending clean mount Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4417 Comm: syz.0.62 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 : get_futex_value_locked kernel/futex/core.c:793 [inline] pc : futex_lock_pi_atomic+0x170/0xea4 kernel/futex/core.c:1429 lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:244 [inline] lr : get_futex_value_locked kernel/futex/core.c:790 [inline] lr : futex_lock_pi_atomic+0x14c/0xea4 kernel/futex/core.c:1429 sp : ffff80001f3b7540 x29: ffff80001f3b75c0 x28: ffff0000c0b88000 x27: ffff80001f3b77d0 x26: 1fffe000181712a9 x25: ffff0000c0b89548 x24: 00000000fffffff2 x23: ffff80001f3b77b8 x22: 0000000000000000 x21: dfff800000000000 x20: 0000000000000000 x19: ffff0000c0d38d00 x18: 0000000000000000 x17: ffff80000805b008 x16: ffff8000083c981c x15: ffff80000805b444 x14: ffff8000083c4470 x13: 1ffff0000282e06b x12: 0000000000080000 x11: 00000000000002d8 x10: 0000000000000000 x9 : 0000ffffffffffff x8 : 0000000000000000 x7 : ffff80000820263c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: get_futex_value_locked kernel/futex/core.c:790 [inline] futex_lock_pi_atomic+0x170/0xea4 kernel/futex/core.c:1429 futex_lock_pi+0x2d0/0x860 kernel/futex/core.c:3054 do_futex+0xb00/0x257c kernel/futex/core.c:-1 __do_sys_futex kernel/futex/core.c:4059 [inline] __se_sys_futex kernel/futex/core.c:4040 [inline] __arm64_sys_futex+0x388/0x400 kernel/futex/core.c:4040 __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: ea29011f 9a9f02ca d503229f b8400948 (2a1803e1) ---[ end trace a79c508782931c11 ]--- ---------------- Code disassembly (best guess): 0: ea29011f bics xzr, x8, x9 4: 9a9f02ca csel x10, x22, xzr, eq // eq = none 8: d503229f csdb c: b8400948 ldtr w8, [x10] * 10: 2a1803e1 mov w1, w24 <-- trapping instruction