REISERFS warning (device loop2): vs-13060 reiserfs_update_sd_size: stat data of object [2 6 0x0 SD] (nlink == 1) not found (pos 1) REISERFS warning (device loop2): 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=000000012a487000 [00000000ffffffff] pgd=080000012a485003, p4d=080000012a485003, pud=0000000000000000 Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4140 Comm: syz.2.8 Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline] pc : prepare_error_buf+0x6dc/0x1580 fs/reiserfs/prints.c:229 lr : prepare_error_buf+0x430/0x1580 fs/reiserfs/prints.c:230 sp : ffff800020626fc0 x29: ffff800020627140 x28: ffff80001b8fc91e x27: ffff80001b8fba1e x26: ffff800020627238 x25: ffff800020627220 x24: ffff8000206270a0 x23: ffff80001b8fba00 x22: 00000000ffffffff x21: ffffffffffffffe2 x20: 00000000000003e2 x19: dfff800000000000 x18: 0000000000000001 x17: 0000000000000002 x16: ffff800008ccb4f0 x15: 000000000000007a x14: ffff0000c1521b40 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff80002223d000 x9 : 0000000000080000 x8 : 0000000000000000 x7 : 20726f6620686372 x6 : 7261657320666f20 x5 : ffff80001b8fba1e x4 : ffff80001b8fc91e x3 : ffff80000ac12a94 x2 : 000000000000000f x1 : 00000000ffffffe0 x0 : 00000000ffffffff Call trace: scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline] prepare_error_buf+0x6dc/0x1580 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+0x3ac/0x6f0 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+0x24c/0x520 mm/filemap.c:3785 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3912 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3944 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x66c fs/read_write.c:855 vfs_writev fs/read_write.c:928 [inline] do_pwritev+0x1ec/0x334 fs/read_write.c:1025 __do_sys_pwritev2 fs/read_write.c:1084 [inline] __se_sys_pwritev2 fs/read_write.c:1075 [inline] __arm64_sys_pwritev2+0xd4/0x108 fs/read_write.c:1075 __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+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: d343fec8 38f36908 35005568 aa1603e0 (b8404418) ---[ end trace 9ada6cbadcc228b3 ]--- ---------------- Code disassembly (best guess): 0: d343fec8 lsr x8, x22, #3 4: 38f36908 ldrsb w8, [x8, x19] 8: 35005568 cbnz w8, 0xab4 c: aa1603e0 mov x0, x22 * 10: b8404418 ldr w24, [x0], #4 <-- trapping instruction