Unable to handle kernel paging request at virtual address dfff80000000000d 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 [dfff80000000000d] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 6202 Comm: syz.0.344 Not tainted 5.15.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : d_really_is_negative include/linux/dcache.h:476 [inline] pc : reiserfs_xattr_jcreate_nblocks fs/reiserfs/xattr.h:79 [inline] pc : reiserfs_xattr_set+0x2c0/0x4a8 fs/reiserfs/xattr.c:631 lr : reiserfs_xattr_jcreate_nblocks fs/reiserfs/xattr.h:78 [inline] lr : reiserfs_xattr_set+0x288/0x4a8 fs/reiserfs/xattr.c:631 sp : ffff800022a37720 x29: ffff800022a37810 x28: 0000000000000068 x27: 0000000000000000 x26: ffff0000c5eba000 x25: 0000000000000000 x24: ffff800022a37760 x23: dfff800000000000 x22: ffff0000eb1e6518 x21: ffff700004546eec x20: 1fffe0001d63cca3 x19: 000000000000006c x18: 0000000000000000 x17: 0000000000000000 x16: ffff80000a472f58 x15: 0000000000000003 x14: 0000000000000000 x13: ffffffffffffffff x12: 0000000000ff0100 x11: 0000000000000000 x10: 000000000000006c x9 : 00000000000001c0 x8 : 000000000000000d x7 : 0000000000000000 x6 : 0000000000000002 x5 : ffff0000d5b7ad00 x4 : 0000000000000000 x3 : 0000000000000030 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: d_really_is_negative include/linux/dcache.h:476 [inline] reiserfs_xattr_jcreate_nblocks fs/reiserfs/xattr.h:79 [inline] reiserfs_xattr_set+0x2c0/0x4a8 fs/reiserfs/xattr.c:631 security_set+0x9c/0xd8 fs/reiserfs/xattr_security.c:32 __vfs_setxattr+0x388/0x3a4 fs/xattr.c:182 __vfs_setxattr_noperm+0x120/0x564 fs/xattr.c:216 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277 vfs_setxattr+0x158/0x2ac fs/xattr.c:303 do_setxattr fs/xattr.c:588 [inline] setxattr+0x248/0x2ac fs/xattr.c:611 __do_sys_fsetxattr fs/xattr.c:667 [inline] __se_sys_fsetxattr fs/xattr.c:656 [inline] __arm64_sys_fsetxattr+0x1a8/0x224 fs/xattr.c:656 __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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: f9400388 910103f8 9101a11c d343ff88 (38776908) ---[ end trace 5d4fd529a24a6281 ]--- ---------------- Code disassembly (best guess): 0: f9400388 ldr x8, [x28] 4: 910103f8 add x24, sp, #0x40 8: 9101a11c add x28, x8, #0x68 c: d343ff88 lsr x8, x28, #3 * 10: 38776908 ldrb w8, [x8, x23] <-- trapping instruction