loop4: detected capacity change from 0 to 32768 Unable to handle kernel paging request at virtual address 0040627697ff0a35 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 [0040627697ff0a35] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4588 Comm: syz-executor.4 Not tainted 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __lock_acquire+0x60/0x3084 kernel/locking/lockdep.c:4925 lr : lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 sp : ffff8000152e3600 x29: ffff8000152e36e0 x28: 0000000000000000 x27: 0000000000000000 x26: 3940627697ff0a35 x25: ffff8000087b32c0 x24: 0000000000000000 x23: 0000000000000000 x22: 3940627697ff0a35 x21: 0000000000000000 x20: 0000000000000000 x19: 0000000000000003 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000002 x13: 0000000000008000 x12: 0000000000040000 x11: 0000000000013728 x10: ffff80001ddea000 x9 : 0000000000000001 x8 : 0000000000000001 x7 : ffff8000087b32c0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000003 x0 : 3940627697ff0a35 Call trace: __lock_acquire+0x60/0x3084 kernel/locking/lockdep.c:4925 lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 down_write_nested+0x64/0x94 kernel/locking/rwsem.c:1672 inode_lock_nested include/linux/fs.h:791 [inline] open_xa_root fs/reiserfs/xattr.c:127 [inline] open_xa_dir+0x5c/0x2a8 fs/reiserfs/xattr.c:152 xattr_lookup+0x34/0x198 fs/reiserfs/xattr.c:395 reiserfs_xattr_get+0x8c/0x6a8 fs/reiserfs/xattr.c:677 reiserfs_get_acl+0x84/0x1ac fs/reiserfs/xattr_acl.c:215 __get_acl+0x258/0x3fc fs/posix_acl.c:159 get_inode_acl+0x34/0x44 fs/posix_acl.c:184 check_acl+0x40/0x178 fs/namei.c:306 acl_permission_check fs/namei.c:351 [inline] generic_permission+0x284/0x340 fs/namei.c:404 reiserfs_permission+0x4c/0x6c fs/reiserfs/xattr.c:954 do_inode_permission fs/namei.c:458 [inline] inode_permission+0x128/0x244 fs/namei.c:525 may_open+0x1e4/0x2bc fs/namei.c:3185 do_open fs/namei.c:3555 [inline] path_openat+0xdd0/0x11f0 fs/namei.c:3714 do_filp_open+0xdc/0x1b8 fs/namei.c:3741 do_sys_openat2+0xb8/0x22c fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __arm64_sys_openat+0xb0/0xe0 fs/open.c:1337 __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+0x48/0x140 arch/arm64/kernel/syscall.c:197 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+0x190/0x194 arch/arm64/kernel/entry.S:584 Code: 2a0303f4 2a0203f7 aa0003fa 34000148 (f9400348) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 2a0303f4 mov w20, w3 4: 2a0203f7 mov w23, w2 8: aa0003fa mov x26, x0 c: 34000148 cbz w8, 0x34 * 10: f9400348 ldr x8, [x26] <-- trapping instruction