REISERFS warning (device loop1): vs-13060 reiserfs_update_sd_size: stat data of object [2 6 0x0 SD] (nlink == 1) not found (pos 1) overlayfs: upper fs needs to support d_type. overlayfs: upper fs does not support tmpfile. 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: 1 PID: 4301 Comm: syz.1.44 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline] pc : prepare_error_buf+0x6d0/0x1580 fs/reiserfs/prints.c:229 lr : prepare_error_buf+0x430/0x1580 fs/reiserfs/prints.c:230 sp : ffff800020826c00 x29: ffff800020826d80 x28: ffff80001b84c91e x27: ffff80001b84ba1e x26: ffff800020826e78 x25: ffff800020826e60 x24: ffff800020826ce0 x23: ffff80001b84ba00 x22: 00000000ffffffff x21: ffffffffffffffe2 x20: 00000000000003e2 x19: dfff800000000000 x18: 0000000000000001 x17: 0000000000000002 x16: ffff800008ccbb9c x15: 000000000000007a x14: ffff0000d096d1c0 x13: 0000000000ff0100 x12: 0000000000040000 x11: 000000000002b1ac x10: ffff800020d8a000 x9 : 000000000002b1ad 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_delete_object+0x80/0x1ac fs/reiserfs/stree.c:1503 reiserfs_evict_inode+0x26c/0x3f0 fs/reiserfs/inode.c:63 evict+0x418/0x894 fs/inode.c:622 iput_final fs/inode.c:1740 [inline] iput+0x744/0x824 fs/inode.c:1766 dentry_unlink_inode+0x37c/0x4bc fs/dcache.c:380 __dentry_kill+0x324/0x5e4 fs/dcache.c:586 dentry_kill+0xc8/0x250 dput+0x21c/0x458 fs/dcache.c:893 ovl_check_rename_whiteout fs/overlayfs/super.c:1312 [inline] ovl_make_workdir fs/overlayfs/super.c:1409 [inline] ovl_get_workdir+0x8b8/0x1110 fs/overlayfs/super.c:1524 ovl_fill_super+0x15b4/0x2254 fs/overlayfs/super.c:2080 mount_nodev+0x68/0x104 fs/super.c:1444 ovl_mount+0x3c/0x50 fs/overlayfs/super.c:2171 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611 vfs_get_tree+0x90/0x274 fs/super.c:1528 do_new_mount+0x278/0x8fc fs/namespace.c:3005 path_mount+0x594/0x101c fs/namespace.c:3335 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount fs/namespace.c:3533 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3533 __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 69e30bdc96622e3b ]--- ---------------- 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