------------[ cut here ]------------ WARNING: CPU: 0 PID: 8466 at fs/ext4/inode.c:3645 ext4_dirty_folio+0x12c/0x170 fs/ext4/inode.c:3645 Modules linked in: CPU: 0 PID: 8466 Comm: syz-executor.2 Not tainted 6.1.38-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ext4_dirty_folio+0x12c/0x170 fs/ext4/inode.c:3645 lr : ext4_dirty_folio+0x12c/0x170 fs/ext4/inode.c:3645 sp : ffff80002bc27980 x29: ffff80002bc27980 x28: 1fffff8000971ca8 x27: 1fffff8000971ca9 x26: dfff800000000000 x25: 05ffc80000000013 x24: 1fffff8000971ca8 x23: 1fffff8000971ca9 x22: dfff800000000000 x21: fffffc0004b8e568 x20: ffff0000e2505518 x19: fffffc0004b8e540 x18: ffff80002bc27520 x17: ffff8000155cd000 x16: ffff800008301d74 x15: 0000000000000000 x14: 0000000000000002 x13: 0800000000000000 x12: 0000000000040000 x11: 000000000003ffff x10: ffff80001ec2e000 x9 : ffff800008e5cb04 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008831764 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: ext4_dirty_folio+0x12c/0x170 fs/ext4/inode.c:3645 folio_mark_dirty+0x118/0x198 mm/page-writeback.c:2749 unpin_user_pages_dirty_lock+0x244/0x464 mm/gup.c:343 xdp_umem_unpin_pages net/xdp/xdp_umem.c:26 [inline] xdp_umem_pin_pages net/xdp/xdp_umem.c:121 [inline] xdp_umem_reg net/xdp/xdp_umem.c:218 [inline] xdp_umem_create+0x874/0xd6c net/xdp/xdp_umem.c:251 xsk_setsockopt+0x74c/0x9e4 net/xdp/xsk.c:1107 __sys_setsockopt+0x3a8/0x70c net/socket.c:2252 __do_sys_setsockopt net/socket.c:2263 [inline] __se_sys_setsockopt net/socket.c:2260 [inline] __arm64_sys_setsockopt+0xb8/0xd4 net/socket.c:2260 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 irq event stamp: 22950 hardirqs last enabled at (22949): [] count_memcg_events include/linux/memcontrol.h:1061 [inline] hardirqs last enabled at (22949): [] count_memcg_event_mm+0x1b0/0x308 include/linux/memcontrol.h:1093 hardirqs last disabled at (22950): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (21188): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (21188): [] __do_softirq+0xc14/0xea0 kernel/softirq.c:600 softirqs last disabled at (21163): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8466 at mm/page-writeback.c:2615 __folio_mark_dirty+0xd4/0xd04 Modules linked in: CPU: 1 PID: 8466 Comm: syz-executor.2 Tainted: G W 6.1.38-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __folio_mark_dirty+0xd4/0xd04 lr : __folio_mark_dirty+0xd4/0xd04 sp : ffff80002bc278b0 x29: ffff80002bc278d0 x28: dfff800000000000 x27: 0000000000000000 x26: dfff800000000000 x25: 05ffc80000000013 x24: fffffc0004b8e558 x23: 05ffc8000000001b x22: ffff0000e2505518 x21: 1fffff8000971ca8 x20: ffff0000e2505520 x19: fffffc0004b8e540 x18: ffff80002bc275a0 x17: ffff8000155cd000 x16: ffff80000831bb60 x15: 000000000002b592 x14: 000000006d06a68b x13: dfff800000000000 x12: 0000000000040000 x11: 000000000003ffff x10: ffff80001ec2e000 x9 : ffff80000876e680 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000188d4670 x4 : 0000000000000008 x3 : ffff80000831bc90 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __folio_mark_dirty+0xd4/0xd04 block_dirty_folio+0x184/0x21c fs/buffer.c:640 ext4_dirty_folio+0x108/0x170 fs/ext4/inode.c:3646 folio_mark_dirty+0x118/0x198 mm/page-writeback.c:2749 unpin_user_pages_dirty_lock+0x244/0x464 mm/gup.c:343 xdp_umem_unpin_pages net/xdp/xdp_umem.c:26 [inline] xdp_umem_pin_pages net/xdp/xdp_umem.c:121 [inline] xdp_umem_reg net/xdp/xdp_umem.c:218 [inline] xdp_umem_create+0x874/0xd6c net/xdp/xdp_umem.c:251 xsk_setsockopt+0x74c/0x9e4 net/xdp/xsk.c:1107 __sys_setsockopt+0x3a8/0x70c net/socket.c:2252 __do_sys_setsockopt net/socket.c:2263 [inline] __se_sys_setsockopt net/socket.c:2260 [inline] __arm64_sys_setsockopt+0xb8/0xd4 net/socket.c:2260 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 irq event stamp: 23114 hardirqs last enabled at (23113): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline] hardirqs last enabled at (23113): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000 hardirqs last disabled at (23114): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (23114): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (23084): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (23084): [] __do_softirq+0xc14/0xea0 kernel/softirq.c:600 softirqs last disabled at (22953): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 ---[ end trace 0000000000000000 ]---