------------[ cut here ]------------ WARNING: CPU: 0 PID: 4458 at fs/ext4/inode.c:3658 ext4_dirty_folio+0x12c/0x170 fs/ext4/inode.c:3658 Modules linked in: CPU: 0 PID: 4458 Comm: syz.1.18 Not tainted 6.1.132-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ext4_dirty_folio+0x12c/0x170 fs/ext4/inode.c:3658 lr : ext4_dirty_folio+0x12c/0x170 fs/ext4/inode.c:3658 sp : ffff800021807980 x29: ffff800021807980 x28: 1fffff80007c6658 x27: 1fffff80007c6659 x26: dfff800000000000 x25: 05ffd00000000013 x24: 1fffff80007c6658 x23: 1fffff80007c6659 x22: dfff800000000000 x21: fffffc0003e332e8 x20: ffff0000dfbb3700 x19: fffffc0003e332c0 x18: 1fffe00036798576 x17: ffff800015afd000 x16: ffff800008300d88 x15: ffff0001b3cc2bbc x14: 1ffff00002b600b2 x13: dfff800000000000 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800022c79000 x9 : ffff800008e6adc4 x8 : 0000000000080000 x7 : ffff800008279464 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008838170 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: ext4_dirty_folio+0x12c/0x170 fs/ext4/inode.c:3658 folio_mark_dirty+0x118/0x198 mm/page-writeback.c:2771 unpin_user_pages_dirty_lock+0x244/0x464 mm/gup.c:360 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+0x4d8/0x5fc net/xdp/xsk.c:1112 __sys_setsockopt+0x3a8/0x70c net/socket.c:2288 __do_sys_setsockopt net/socket.c:2299 [inline] __se_sys_setsockopt net/socket.c:2296 [inline] __arm64_sys_setsockopt+0xb8/0xd4 net/socket.c:2296 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 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:585 irq event stamp: 7576 hardirqs last enabled at (7575): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline] hardirqs last enabled at (7575): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5003 hardirqs last disabled at (7576): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (4444): [] softirq_handle_end kernel/softirq.c:421 [inline] softirqs last enabled at (4444): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:606 softirqs last disabled at (4425): [] __do_softirq+0x14/0x20 kernel/softirq.c:612 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4458 at mm/page-writeback.c:2637 __folio_mark_dirty+0xd4/0xd04 mm/page-writeback.c:-1 Modules linked in: CPU: 1 PID: 4458 Comm: syz.1.18 Tainted: G W 6.1.132-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __folio_mark_dirty+0xd4/0xd04 mm/page-writeback.c:-1 lr : __folio_mark_dirty+0xd4/0xd04 mm/page-writeback.c:-1 sp : ffff8000218078b0 x29: ffff8000218078d0 x28: dfff800000000000 x27: 0000000000000000 x26: dfff800000000000 x25: 05ffd00000000013 x24: fffffc0003e332d8 x23: 05ffd0000000001b x22: ffff0000dfbb3700 x21: 1fffff80007c6658 x20: ffff0000dfbb3708 x19: fffffc0003e332c0 x18: ffff8000218075a0 x17: ffff800018c58000 x16: ffff80000831adcc x15: ffff800018738f80 x14: 00000000106ed553 x13: dfff800000000000 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800022c79000 x9 : ffff800008774bd8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff800018e487f8 x4 : 0000000000000008 x3 : ffff80000831aefc x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __folio_mark_dirty+0xd4/0xd04 mm/page-writeback.c:-1 block_dirty_folio+0x184/0x21c fs/buffer.c:640 ext4_dirty_folio+0x108/0x170 fs/ext4/inode.c:3659 folio_mark_dirty+0x118/0x198 mm/page-writeback.c:2771 unpin_user_pages_dirty_lock+0x244/0x464 mm/gup.c:360 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+0x4d8/0x5fc net/xdp/xsk.c:1112 __sys_setsockopt+0x3a8/0x70c net/socket.c:2288 __do_sys_setsockopt net/socket.c:2299 [inline] __se_sys_setsockopt net/socket.c:2296 [inline] __arm64_sys_setsockopt+0xb8/0xd4 net/socket.c:2296 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 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:585 irq event stamp: 7784 hardirqs last enabled at (7783): [] folio_memcg_lock+0xf4/0x20c mm/memcontrol.c:2115 hardirqs last disabled at (7784): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (7784): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (7776): [] softirq_handle_end kernel/softirq.c:421 [inline] softirqs last enabled at (7776): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:606 softirqs last disabled at (7579): [] __do_softirq+0x14/0x20 kernel/softirq.c:612 ---[ end trace 0000000000000000 ]---