REISERFS warning (device loop6): vs-13060 reiserfs_update_sd_size: stat data of object [2 6 0x0 SD] (nlink == 1) not found (pos 1) REISERFS warning (device loop6): 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=000000010a753000 [00000000ffffffff] pgd=080000011a3b9003, p4d=080000011a3b9003, pud=0000000000000000 Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 6166 Comm: syz.6.298 Not tainted 6.1.136-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline] pc : prepare_error_buf+0x790/0x1850 fs/reiserfs/prints.c:229 lr : prepare_error_buf+0x4a4/0x1850 fs/reiserfs/prints.c:230 sp : ffff800020c57220 x29: ffff800020c573a0 x28: ffffffffffffffe2 x27: ffff80001c3fa9be x26: ffff800020c572a0 x25: 00000000ffffffff x24: ffff80001c3f9abe x23: 000000000000004b x22: ffff800020c57420 x21: ffff800020c57400 x20: ffff8000153bdba0 x19: dfff800000000000 x18: ffff800011a7bd00 x17: ffff8000181a0000 x16: ffff8000082e6f70 x15: 0000000000000002 x14: 000000000000007a x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff8000285e9000 x9 : ffff800008ca30d0 x8 : 0000000000000000 x7 : 20726f6620686372 x6 : 7261657320666f20 x5 : ffff80001c3f9abe x4 : ffff80001c3fa9be x3 : ffff80001180ef48 x2 : 000000000000000f x1 : 00000000ffffffe0 x0 : 00000000ffffffff Call trace: scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline] prepare_error_buf+0x790/0x1850 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+0x5c0/0xaf4 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+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 generic_file_write_iter+0xb4/0x2b0 mm/filemap.c:4006 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_write+0x120/0x210 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+0x58/0x138 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: d343ff28 38f36908 35005d08 aa1903e0 (b8404408) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: d343ff28 lsr x8, x25, #3 4: 38f36908 ldrsb w8, [x8, x19] 8: 35005d08 cbnz w8, 0xba8 c: aa1903e0 mov x0, x25 * 10: b8404408 ldr w8, [x0], #4 <-- trapping instruction