REISERFS warning (device loop3): vs-13060 reiserfs_update_sd_size: stat data of object [2 6 0x0 SD] (nlink == 1) not found (pos 1) REISERFS warning (device loop3): 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 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: 4906 Comm: syz.3.191 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline] pc : prepare_error_buf+0x6d0/0x1580 fs/reiserfs/prints.c:229 lr : prepare_error_buf+0x430/0x1580 fs/reiserfs/prints.c:230 sp : ffff80001d3f7180 x29: ffff80001d3f7300 x28: ffff80001b84c91e x27: ffff80001b84ba1e x26: ffff80001d3f73f8 x25: ffff80001d3f73e0 x24: ffff80001d3f7260 x23: ffff80001b84ba00 x22: 00000000ffffffff x21: ffffffffffffffe2 x20: 00000000000003e2 x19: dfff800000000000 x18: 0000000000000001 x17: 0000000000000002 x16: ffff800008ccbb9c x15: 000000000000007a x14: ffff0000d98551c0 x13: 0000000000ff0100 x12: 0000000000040000 x11: 000000000003ffff x10: ffff80002363c000 x9 : 0000000000040000 x8 : 000000001fffffff x7 : 20726f6620686372 x6 : 7261657320666f20 x5 : ffff80001b84ba1e x4 : ffff80001b84c91e x3 : ffff80000ab8b98c x2 : 000000000000000f x1 : 00000000ffffffe0 x0 : 00000000fffffff9 Call trace: scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline] prepare_error_buf+0x6d0/0x1580 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 call_write_iter include/linux/fs.h:2172 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x884/0xb44 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+0x188/0x220 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+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: f9400296 911002b4 b4000496 d343fec8 (38f36908) ---[ end trace 4b6119384b4ebe9f ]--- ---------------- Code disassembly (best guess): 0: f9400296 ldr x22, [x20] 4: 911002b4 add x20, x21, #0x400 8: b4000496 cbz x22, 0x98 c: d343fec8 lsr x8, x22, #3 * 10: 38f36908 ldrsb w8, [x8, x19] <-- trapping instruction