REISERFS warning (device loop4): vs-13060 reiserfs_update_sd_size: stat data of object [2 6 0x0 SD] (nlink == 1) not found (pos 1) REISERFS warning (device loop4): vs-13060 reiserfs_update_sd_size: stat data of object [2 6 0x0 SD] (nlink == 1) not found (pos 1) 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=00000001191ae000 [00000000ffffffff] pgd=0800000113f23003, p4d=0800000113f23003, pud=0000000000000000 Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 5065 Comm: syz.4.170 Not tainted 6.1.129-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 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 : ffff8000218e7160 x29: ffff8000218e7300 x28: ffff80001cea19be x27: ffff80001cea0abe x26: ffff8000218e7260 x25: ffff8000218e73e0 x24: ffff8000218e73f8 x23: ffff80001cea0aa0 x22: 00000000ffffffff x21: ffffffffffffffe2 x20: 00000000000003e2 x19: dfff800000000000 x18: 1ffff000042c7205 x17: ffff80019e2a1000 x16: ffff8000084f38c0 x15: 0000000000000002 x14: 000000000000007a x13: ffff0000e04f1bc0 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800025bba000 x9 : 000000000000000a x8 : 00000000000000ff x7 : 20726f6620686372 x6 : 7261657320666f20 x5 : ffff80001cea0abe x4 : ffff80001cea19be x3 : ffff8000122d9824 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_truncate_failed_write fs/reiserfs/inode.c:2743 [inline] reiserfs_write_begin+0x544/0x71c fs/reiserfs/inode.c:2808 generic_perform_write+0x278/0x55c mm/filemap.c:3845 __generic_file_write_iter+0x168/0x388 mm/filemap.c:3973 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:4005 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x610/0x91c fs/read_write.c:584 ksys_write+0x15c/0x26c fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 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