EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. Unable to handle kernel NULL pointer dereference at virtual address 0000000000000068 Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 user pgtable: 4k pages, 48-bit VAs, pgdp=000000010ad9f000 [0000000000000068] pgd=0800000137d67003, p4d=0800000137d67003, pud=080000012ecfa003, pmd=0000000000000000 Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 28747 Comm: syz-executor.0 Not tainted 6.1.0-rc4-syzkaller-31844-g3577a7611842 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : d_really_is_negative include/linux/dcache.h:466 [inline] pc : open_xa_root fs/reiserfs/xattr.c:124 [inline] pc : open_xa_dir+0x48/0x2a8 fs/reiserfs/xattr.c:152 lr : open_xa_dir+0x34/0x2a8 fs/reiserfs/xattr.c:148 sp : ffff800013f03c80 x29: ffff800013f03ca0 x28: ffff0000e5e81a40 x27: 0000000000000000 x26: 0000000000000000 x25: 000000000000000a x24: 0000000000000000 x23: ffff0000e75e1408 x22: ffff0000e53dc618 x21: ffff0000e75e1408 x20: 0000000000000002 x19: ffff0000ee2cf000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80000db1a158 x15: ffff0000e5e81a40 x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000040000 x11: 00000000000005f3 x10: ffff800012d95000 x9 : ffff800008796bac x8 : ffff0000ee2cd000 x7 : ffff8000095f3074 x6 : 0000000000000000 x5 : 0000000000000080 x4 : ffff0001feff51c0 x3 : 0000000000948d59 x2 : 0000000000000000 x1 : 0000000000000002 x0 : ffff0000e75e1408 Call trace: open_xa_root fs/reiserfs/xattr.c:121 [inline] open_xa_dir+0x48/0x2a8 fs/reiserfs/xattr.c:152 reiserfs_listxattr+0x94/0x140 fs/reiserfs/xattr.c:855 vfs_listxattr fs/xattr.c:457 [inline] listxattr+0x244/0x2cc fs/xattr.c:804 path_listxattr fs/xattr.c:828 [inline] __do_sys_listxattr fs/xattr.c:840 [inline] __se_sys_listxattr fs/xattr.c:837 [inline] __arm64_sys_listxattr+0x84/0x11c fs/xattr.c:837 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 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:581 Code: 390043ff a9007fff f9433e68 f942cd18 (f9403708) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 390043ff strb wzr, [sp, #16] 4: a9007fff stp xzr, xzr, [sp] 8: f9433e68 ldr x8, [x19, #1656] c: f942cd18 ldr x24, [x8, #1432] * 10: f9403708 ldr x8, [x24, #104] <-- trapping instruction