REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [2 7 0x0 SD] (nlink == 1) not found (pos 1) REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [2 7 0x0 SD] (nlink == 1) not found (pos 1) Unable to handle kernel paging request at virtual address dfff80001fffffff Mem abort info: ESR = 0x0000000096000007 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x07: level 3 translation fault Data abort info: ISV = 0, ISS = 0x00000007 CM = 0, WnR = 0 [dfff80001fffffff] address between user and kernel address ranges Internal error: Oops: 0000000096000007 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4689 Comm: syz.0.123 Not tainted 5.15.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline] pc : prepare_error_buf+0x73c/0x1790 fs/reiserfs/prints.c:229 lr : prepare_error_buf+0x470/0x1790 fs/reiserfs/prints.c:230 sp : ffff80001f9d7260 x29: ffff80001f9d73e0 x28: ffff80001aece91e x27: dfff800000000000 x26: ffff80001f9d7460 x25: 00000000ffffffff x24: ffff80001aecda1e x23: 000000000000004b x22: ffff80001f9d7478 x21: ffff80001f9d7440 x20: ffffffffffffffe2 x19: ffff80001446e220 x18: 0000000000000001 x17: 0000000000000002 x16: ffff800008bfb6b4 x15: 000000000000007a x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000080000 x11: 000000000007ffff x10: ffff800023d89000 x9 : ffff800008bfb8dc x8 : 000000001fffffff x7 : 20726f6620686372 x6 : 7261657320666f20 x5 : ffff80001aecda1e x4 : ffff80001aece91e x3 : ffff80000a926d04 x2 : 000000000000000f x1 : 00000000ffffffe0 x0 : ffff80001f9d7468 Call trace: scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline] prepare_error_buf+0x73c/0x1790 fs/reiserfs/prints.c:229 __reiserfs_error+0xd0/0x28c fs/reiserfs/prints.c:396 reiserfs_do_truncate+0x3a8/0x1020 fs/reiserfs/stree.c:1930 reiserfs_truncate_file+0x328/0x6e4 fs/reiserfs/inode.c:2318 reiserfs_truncate_failed_write fs/reiserfs/inode.c:2751 [inline] reiserfs_write_begin+0x548/0x654 fs/reiserfs/inode.c:2823 generic_perform_write+0x204/0x480 mm/filemap.c:3785 __generic_file_write_iter+0x23c/0x454 mm/filemap.c:3912 generic_file_write_iter+0xb0/0x1b4 mm/filemap.c:3944 call_write_iter include/linux/fs.h:2172 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x7c8/0xa2c fs/read_write.c:594 ksys_pwrite64 fs/read_write.c:701 [inline] __do_sys_pwrite64 fs/read_write.c:711 [inline] __se_sys_pwrite64 fs/read_write.c:708 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:708 __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: f94002b9 cb180294 b40004b9 d343ff28 (38fb6908) ---[ end trace 48a9fe53826940c0 ]--- ---------------- Code disassembly (best guess): 0: f94002b9 ldr x25, [x21] 4: cb180294 sub x20, x20, x24 8: b40004b9 cbz x25, 0x9c c: d343ff28 lsr x8, x25, #3 * 10: 38fb6908 ldrsb w8, [x8, x27] <-- trapping instruction