loop0: detected capacity change from 0 to 64 Unable to handle kernel paging request at virtual address dfff800000000008 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 [dfff800000000008] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4022 Comm: syz-executor388 Not tainted 5.15.164-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfs_find_init+0x6c/0x1c8 fs/hfs/bfind.c:21 lr : hfs_find_init+0x30/0x1c8 fs/hfs/bfind.c:16 sp : ffff80001ab57090 x29: ffff80001ab57090 x28: dfff800000000000 x27: 0000000000000000 x26: ffff0000dce20180 x25: 0000000000000008 x24: dfff800000000000 x23: ffff70000356ae28 x22: ffff80001ab57178 x21: 0000000000000040 x20: ffff80001ab57160 x19: 0000000000000000 x18: ffff80001ab56be0 x17: 0000000000000000 x16: ffff80000824e1f4 x15: 000000000000b94f x14: 000000007dca0e0e x13: dfff800000000000 x12: 0000000000000007 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000ca9f1b40 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff80001778da50 x4 : 0000000000000000 x3 : 0000000000000030 x2 : 0000000000000008 x1 : ffff80001ab57160 x0 : ffff80001ab57170 Call trace: hfs_find_init+0x6c/0x1c8 fs/hfs/bfind.c:21 hfs_ext_read_extent fs/hfs/extent.c:200 [inline] hfs_get_block+0x290/0x9fc fs/hfs/extent.c:366 block_read_full_page+0x2a0/0xc4c fs/buffer.c:2290 hfs_readpage+0x28/0x38 fs/hfs/inode.c:39 do_read_cache_page+0x60c/0x950 read_cache_page+0x68/0x84 mm/filemap.c:3574 read_mapping_page include/linux/pagemap.h:515 [inline] hfs_btree_open+0x420/0xe50 fs/hfs/btree.c:78 hfs_mdb_get+0x10ec/0x1c4c fs/hfs/mdb.c:199 hfs_fill_super+0xd64/0x13b4 fs/hfs/super.c:406 mount_bdev+0x274/0x370 fs/super.c:1387 hfs_mount+0x44/0x58 fs/hfs/super.c:456 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611 vfs_get_tree+0x90/0x274 fs/super.c:1517 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: 97e3f693 91010275 f90002df d343feb9 (38f86b28) ---[ end trace 3162c467ee70b131 ]--- ---------------- Code disassembly (best guess): 0: 97e3f693 bl 0xffffffffff8fda4c 4: 91010275 add x21, x19, #0x40 8: f90002df str xzr, [x22] c: d343feb9 lsr x25, x21, #3 * 10: 38f86b28 ldrsb w8, [x25, x24] <-- trapping instruction