Unable to handle kernel paging request at virtual address dfff80000000023d 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 [dfff80000000023d] address between user and kernel address ranges Internal error: Oops: 96000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 20022 Comm: syz-executor.3 Not tainted 5.15.104-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mem_cgroup_track_foreign_dirty_slowpath+0xe0/0x9f0 mm/memcontrol.c:4616 lr : trace_track_foreign_dirty include/trace/events/writeback.h:237 [inline] lr : mem_cgroup_track_foreign_dirty_slowpath+0xd0/0x9f0 mm/memcontrol.c:4607 sp : ffff800025bf6e20 x29: ffff800025bf6e30 x28: 000000010000de94 x27: 0000000000000000 x26: dfff800000000000 x25: dfff800000000000 x24: 05ffc0000042200f x23: ffff0000ccc505e0 x22: 0000000000000000 x21: 00000000000011e8 x20: ffff0000ccc50060 x19: 0000000000000000 x18: 0000000000000001 x17: ff8080000a9414c4 x16: ffff80001193d804 x15: ffff80000a9414c4 x14: 1ffff0000291806a x13: ffffffffffffffff x12: 0000000000000000 x11: ff8080000a99bea4 x10: 0000000000000003 x9 : 0000000000000000 x8 : 000000000000023d x7 : ffff8000089106a0 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000010 x1 : ffff800011f30380 x0 : 0000000000000001 Call trace: mem_cgroup_track_foreign_dirty_slowpath+0xe0/0x9f0 mm/memcontrol.c:4616 mem_cgroup_track_foreign_dirty include/linux/memcontrol.h:1588 [inline] account_page_dirtied mm/page-writeback.c:2463 [inline] __set_page_dirty+0x8c0/0xc7c mm/page-writeback.c:2500 mark_buffer_dirty+0x27c/0x574 fs/buffer.c:1108 __block_commit_write+0x1f8/0x358 fs/buffer.c:2085 block_write_end+0x60/0x114 fs/buffer.c:2164 blkdev_write_end+0x64/0x274 block/fops.c:378 generic_perform_write+0x354/0x520 mm/filemap.c:3787 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3903 blkdev_write_iter+0x30c/0x470 block/fops.c:534 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x664 fs/read_write.c:855 vfs_iter_write+0x88/0xac fs/read_write.c:896 iter_file_splice_write+0x618/0xc48 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe4/0x1c0 fs/splice.c:936 splice_direct_to_actor+0x408/0x9a0 fs/splice.c:891 do_splice_direct+0x1f4/0x334 fs/splice.c:979 do_sendfile+0x4bc/0xc70 fs/read_write.c:1249 __do_sys_sendfile64 fs/read_write.c:1311 [inline] __se_sys_sendfile64 fs/read_write.c:1303 [inline] __arm64_sys_sendfile64+0x264/0x408 fs/read_write.c:1303 __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:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 36002f20 52823d08 8b080275 d343fea8 (38796908) ---[ end trace 7d133561374e684c ]--- ---------------- Code disassembly (best guess): 0: 36002f20 tbz w0, #0, 0x5e4 4: 52823d08 mov w8, #0x11e8 // #4584 8: 8b080275 add x21, x19, x8 c: d343fea8 lsr x8, x21, #3 * 10: 38796908 ldrb w8, [x8, x25] <-- trapping instruction