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: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 5759 Comm: segctord Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mem_cgroup_track_foreign_dirty_slowpath+0xe0/0x9f0 mm/memcontrol.c:4617 lr : trace_track_foreign_dirty include/trace/events/writeback.h:237 [inline] lr : mem_cgroup_track_foreign_dirty_slowpath+0xd0/0x9f0 mm/memcontrol.c:4608 sp : ffff8000207d7430 x29: ffff8000207d7440 x28: 00000000ffffb9cb x27: 0000000000000000 x26: dfff800000000000 x25: dfff800000000000 x24: 05ffc0000040a10e x23: ffff0000cb9ec5e0 x22: 0000000000000000 x21: 00000000000011e8 x20: ffff0000cb9ec060 x19: 0000000000000000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800011b4c108 x15: 000000000000000d x14: 1ffff0000296c06c x13: dfff800000000000 x12: 00000000fe781c6b x11: 0000000000000002 x10: 0000000000000003 x9 : 0000000000000000 x8 : 000000000000023d x7 : ffff800008922c58 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000010 x1 : ffff8000121555c0 x0 : 0000000000000001 Call trace: mem_cgroup_track_foreign_dirty_slowpath+0xe0/0x9f0 mm/memcontrol.c:4617 mem_cgroup_track_foreign_dirty include/linux/memcontrol.h:1593 [inline] account_page_dirtied mm/page-writeback.c:2485 [inline] __set_page_dirty+0x8c0/0xc7c mm/page-writeback.c:2522 __set_page_dirty_nobuffers+0x154/0x258 mm/page-writeback.c:2551 nilfs_end_page_io+0x408/0x734 fs/nilfs2/segment.c:1772 nilfs_segctor_complete_write fs/nilfs2/segment.c:1936 [inline] nilfs_segctor_wait fs/nilfs2/segment.c:1969 [inline] nilfs_segctor_do_construct+0x4cf0/0x68f0 fs/nilfs2/segment.c:2135 nilfs_segctor_construct+0x13c/0x558 fs/nilfs2/segment.c:2453 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2561 [inline] nilfs_segctor_thread+0x3e8/0xe60 fs/nilfs2/segment.c:2645 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 Code: 36002f20 52823d08 8b080275 d343fea8 (38796908) ---[ end trace e87e3adb9c5321cd ]--- ---------------- 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