Unable to handle kernel paging request at virtual address dfff800000000000 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 [dfff800000000000] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4317 Comm: syz-executor.4 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : arch_test_bit include/asm-generic/bitops/non-atomic.h:118 [inline] pc : set_buffer_uptodate include/linux/buffer_head.h:147 [inline] pc : do_journal_end+0xf7c/0x3c50 fs/reiserfs/journal.c:4079 lr : __getblk include/linux/buffer_head.h:416 [inline] lr : do_journal_end+0xf74/0x3c50 fs/reiserfs/journal.c:4076 sp : ffff8000205975f0 x29: ffff800020597750 x28: ffff0000e8cb2678 x27: 1ffff0000448320b x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000e6a79017 x23: ffff0000e8cb2018 x22: ffff800022419040 x21: 0000000006393dfe x20: ffff0000c5370000 x19: dfff800000000000 x18: ffff8000205971a8 x17: 0000000000000000 x16: ffff80000824ecc0 x15: ffff800008a175f8 x14: 1ffff0000295806a x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000da92b680 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008a7f2bc x2 : 0000000000000001 x1 : 0000000000000003 x0 : 0000000000000000 Call trace: __getblk include/linux/buffer_head.h:416 [inline] do_journal_end+0xf7c/0x3c50 fs/reiserfs/journal.c:4076 journal_end_sync+0x164/0x1d0 fs/reiserfs/journal.c:3535 reiserfs_sync_fs+0xd4/0x150 fs/reiserfs/super.c:78 sync_filesystem+0xe8/0x218 fs/sync.c:56 generic_shutdown_super+0x70/0x29c fs/super.c:448 kill_block_super+0x70/0xdc fs/super.c:1425 reiserfs_kill_sb+0x134/0x14c fs/reiserfs/super.c:570 deactivate_locked_super+0xb8/0x13c fs/super.c:335 deactivate_super+0x108/0x128 fs/super.c:366 cleanup_mnt+0x3c0/0x474 fs/namespace.c:1143 __cleanup_mnt+0x20/0x30 fs/namespace.c:1150 task_work_run+0x130/0x1e4 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946 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_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609 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: f81b03b7 97f5ead9 d343fc08 aa0003fa (38736908) ---[ end trace 9a10bba630f90f0c ]--- ---------------- Code disassembly (best guess): 0: f81b03b7 stur x23, [x29, #-80] 4: 97f5ead9 bl 0xffffffffffd7ab68 8: d343fc08 lsr x8, x0, #3 c: aa0003fa mov x26, x0 * 10: 38736908 ldrb w8, [x8, x19] <-- trapping instruction