Unable to handle kernel paging request at virtual address 00000000ffffffff Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005 CM = 0, WnR = 0 user pgtable: 4k pages, 48-bit VAs, pgdp=0000000130ee7000 [00000000ffffffff] pgd=0800000117e47003, p4d=0800000117e47003, pud=0000000000000000 Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 5856 Comm: syz.2.347 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline] pc : prepare_error_buf+0x87c/0x18c0 fs/reiserfs/prints.c:229 lr : prepare_error_buf+0x574/0x18c0 fs/reiserfs/prints.c:230 sp : ffff800025a37340 x29: ffff800025a374c0 x28: ffff80001c726bbe x27: ffffffffffffffe2 x26: 000000000000004b x25: dfff800000000000 x24: ffff80001c727abe x23: ffff800025a37540 x22: ffff800025a373c0 x21: 00000000ffffffff x20: ffff8000156cd2c0 x19: ffff700004b46e78 x18: 1fffe00033e7697e x17: ffff80001537d000 x16: ffff8000082f2844 x15: 0000000000000000 x14: 000000000000007a x13: 0000000000ff0100 x12: ffff8000156cd360 x11: ff00800008ccdddc x10: 0000000000000000 x9 : ffff800008ccdddc x8 : 0000000000000000 x7 : 20726f6620686372 x6 : 7261657320666f20 x5 : ffff80001c726bbe x4 : ffff80001c727abe x3 : ffff800011a83b14 x2 : 000000000000000f x1 : 00000000ffffffe0 x0 : 00000000ffffffff Call trace: scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline] prepare_error_buf+0x87c/0x18c0 fs/reiserfs/prints.c:229 __reiserfs_error+0xdc/0x2a0 fs/reiserfs/prints.c:396 reiserfs_do_truncate+0x264/0xfd0 fs/reiserfs/stree.c:1930 reiserfs_truncate_file+0x3a4/0xb04 fs/reiserfs/inode.c:2310 reiserfs_file_release+0x6b8/0x8a0 fs/reiserfs/file.c:109 __fput+0x1b4/0x7b0 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x1f4/0x280 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x20f8/0x2c84 arch/arm64/kernel/signal.c:1151 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: d343fea8 38f96908 350058a8 aa1503e0 (b8404416) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: d343fea8 lsr x8, x21, #3 4: 38f96908 ldrsb w8, [x8, x25] 8: 350058a8 cbnz w8, 0xb1c c: aa1503e0 mov x0, x21 * 10: b8404416 ldr w22, [x0], #4 <-- trapping instruction