REISERFS (device loop1): checking transaction log (loop1) REISERFS (device loop1): Using tea hash to sort names REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4469 Comm: syz-executor.1 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 : reiserfs_ioctl+0x320/0x4b4 fs/reiserfs/ioctl.c:106 lr : reiserfs_ioctl+0x2f8/0x4b4 fs/reiserfs/ioctl.c:106 sp : ffff80001ff37cd0 x29: ffff80001ff37cd0 x28: ffff0000c1a7d1c0 x27: 0000000000400140 x26: 1fffe0001bde4037 x25: dfff800000000000 x24: 0000000000000000 x23: 00000000fffffff2 x22: ffff0000c94ba500 x21: 0000000000000000 x20: ffff0000def20190 x19: ffff0000def201b8 x18: 0000000000000000 x17: ffff800016d04000 x16: ffff800008c2dc58 x15: ffff8000167e4500 x14: ffff0000c1a7dbc0 x13: dfff800000000000 x12: 0000000000000000 x11: 1fffe0001bde40bf x10: 0000ffffffffffff x9 : 0000000000000000 x8 : ffff0000def205f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff800016eb17d8 x4 : 0000000000000002 x3 : ffff8000082bfb8c x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: reiserfs_ioctl+0x320/0x4b4 fs/reiserfs/ioctl.c:106 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860 __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: ea2a013f 9a9f02ac d503229f b8400998 (38f96969) ---[ end trace 4feb49b3360dd30d ]--- ---------------- Code disassembly (best guess): 0: ea2a013f bics xzr, x9, x10 4: 9a9f02ac csel x12, x21, xzr, eq // eq = none 8: d503229f csdb c: b8400998 ldtr w24, [x12] * 10: 38f96969 ldrsb w9, [x11, x25] <-- trapping instruction