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=0000000114c88000 [00000000ffffffff] pgd=080000012bd34003, p4d=080000012bd34003, pud=0000000000000000 Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 5667 Comm: syz.7.177 Not tainted 6.1.134-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline] pc : prepare_error_buf+0x89c/0x1678 fs/reiserfs/prints.c:229 lr : prepare_error_buf+0x4e0/0x1678 fs/reiserfs/prints.c:230 sp : ffff800021de71c0 x29: ffff800021de7360 x28: ffff80001ceb39be x27: ffff80001ceb2abe x26: ffff800021de72c0 x25: ffff800021de7440 x24: ffff800021de7458 x23: ffff80001ceb2aa0 x22: 00000000ffffffff x21: ffffffffffffffe2 x20: 00000000000003e2 x19: dfff800000000000 x18: ffff800021de6ec0 x17: ffff800018c59000 x16: ffff8000084f3ce0 x15: 0000000000000000 x14: 000000000000007a x13: ffff0000ce9ad340 x12: 0000000000ff0100 x11: 0000000000ff0100 x10: 0000000000000000 x9 : 000000000000000a x8 : 00000000000000ff x7 : 20726f6620686372 x6 : 7261657320666f20 x5 : ffff80001ceb2abe x4 : ffff80001ceb39be x3 : ffff8000122e2b90 x2 : 000000000000000f x1 : 00000000ffffffe0 x0 : 00000000ffffffff Call trace: scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline] prepare_error_buf+0x89c/0x1678 fs/reiserfs/prints.c:229 __reiserfs_error+0xe8/0x2ac fs/reiserfs/prints.c:396 reiserfs_do_truncate+0x2c0/0x11c8 fs/reiserfs/stree.c:1930 reiserfs_truncate_file+0x510/0xb1c fs/reiserfs/inode.c:2310 reiserfs_file_release+0x710/0x884 fs/reiserfs/file.c:109 __fput+0x1c8/0x7c8 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x240/0x2f0 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2080/0x2cb8 arch/arm64/kernel/signal.c:1132 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+0x9c/0x168 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: d343fec8 38f36908 35004d48 aa1603e0 (b8404418) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: d343fec8 lsr x8, x22, #3 4: 38f36908 ldrsb w8, [x8, x19] 8: 35004d48 cbnz w8, 0x9b0 c: aa1603e0 mov x0, x22 * 10: b8404418 ldr w24, [x0], #4 <-- trapping instruction