Unable to handle kernel paging request at virtual address dfff800000000005 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 [dfff800000000005] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4411 Comm: syz-executor.0 Not tainted 5.15.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : bfs_move_block fs/bfs/file.c:42 [inline] pc : bfs_move_blocks fs/bfs/file.c:56 [inline] pc : bfs_get_block+0x6a0/0xa34 fs/bfs/file.c:125 lr : sb_getblk include/linux/buffer_head.h:361 [inline] lr : bfs_move_block fs/bfs/file.c:41 [inline] lr : bfs_move_blocks fs/bfs/file.c:56 [inline] lr : bfs_get_block+0x694/0xa34 fs/bfs/file.c:125 sp : ffff8000203e6960 x29: ffff8000203e69e0 x28: ffff0000cea12160 x27: 0000000000000028 x26: ffff0000dead8a58 x25: ffff0000cea12018 x24: 0000000000000000 x23: ffff0000de9423a0 x22: 1fffe00019d4242c x21: ffff0000dead8a68 x20: 000000000000002a x19: dfff800000000000 x18: ffff8000203e6348 x17: 0000000000000000 x16: ffff80000824f3a0 x15: ffff800008b26698 x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000c9afd1c0 x8 : 0000000000000005 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000008 x3 : ffff800008a80d7c x2 : 0000000000000001 x1 : 0000000000000003 x0 : 0000000000000000 Call trace: bfs_move_block fs/bfs/file.c:42 [inline] bfs_move_blocks fs/bfs/file.c:56 [inline] bfs_get_block+0x6a0/0xa34 fs/bfs/file.c:125 __block_write_begin_int+0x3ec/0x1608 fs/buffer.c:2012 __block_write_begin fs/buffer.c:2062 [inline] block_write_begin+0x60/0xdc fs/buffer.c:2122 bfs_write_begin+0x50/0xf4 fs/bfs/file.c:177 generic_perform_write+0x24c/0x520 mm/filemap.c:3785 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3912 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3944 __kernel_write+0x488/0x8b8 fs/read_write.c:539 __dump_emit+0x200/0x338 fs/coredump.c:875 dump_emit+0x288/0x36c fs/coredump.c:912 dump_user_range+0xd0/0x35c fs/coredump.c:949 elf_core_dump+0x2ef4/0x3640 fs/binfmt_elf.c:2285 do_coredump+0x12c8/0x2890 fs/coredump.c:826 get_signal+0x3dc/0x1550 kernel/signal.c:2886 do_signal arch/arm64/kernel/signal.c:890 [inline] do_notify_resume+0x320/0x32b8 arch/arm64/kernel/signal.c:943 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_da+0x118/0x20c arch/arm64/kernel/entry-common.c:495 el0t_64_sync_handler+0xc0/0xe4 arch/arm64/kernel/entry-common.c:629 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 97eb8419 9100a01b aa0003f8 d343ff68 (38736908) ---[ end trace 1fc8f7dd65754d25 ]--- ---------------- Code disassembly (best guess): 0: 97eb8419 bl 0xffffffffffae1064 4: 9100a01b add x27, x0, #0x28 8: aa0003f8 mov x24, x0 c: d343ff68 lsr x8, x27, #3 * 10: 38736908 ldrb w8, [x8, x19] <-- trapping instruction