------------[ cut here ]------------ WARNING: CPU: 0 PID: 4910 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline] WARNING: CPU: 0 PID: 4910 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite+0x44c/0x5c0 fs/iomap/buffered-io.c:998 Modules linked in: CPU: 0 PID: 4910 Comm: syz.0.15 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline] pc : iomap_page_mkwrite+0x44c/0x5c0 fs/iomap/buffered-io.c:998 lr : iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline] lr : iomap_page_mkwrite+0x44c/0x5c0 fs/iomap/buffered-io.c:998 sp : ffff80001bb47800 x29: ffff80001bb47960 x28: 1fffff800073e889 x27: dfff800000000000 x26: ffff700003768f04 x25: 0000000000000003 x24: 05ffc00000000011 x23: 0000000000001000 x22: ffff80001bb47840 x21: fffffc00039f4448 x20: fffffc00039f4440 x19: ffff800011710100 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800011255484 x15: ffffffffffffffff x14: 0000000000000001 x13: 1fffe0001c5784d2 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008a942d4 x8 : ffff0000d23e9b40 x7 : ffffffffe0000006 x6 : 0180000000000004 x5 : ffff0000de2a2220 x4 : ffff80001bb47600 x3 : ffff8000099e2af0 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline] iomap_page_mkwrite+0x44c/0x5c0 fs/iomap/buffered-io.c:998 __xfs_filemap_fault+0x508/0xca4 fs/xfs/xfs_file.c:1346 xfs_filemap_page_mkwrite+0x28/0x38 fs/xfs/xfs_file.c:1394 do_page_mkwrite+0x13c/0x358 mm/memory.c:2922 wp_page_shared+0x14c/0x388 mm/memory.c:3259 do_wp_page+0x7c0/0x984 mm/memory.c:3360 handle_pte_fault mm/memory.c:4668 [inline] __handle_mm_fault mm/memory.c:4785 [inline] handle_mm_fault+0x163c/0x2a28 mm/memory.c:4883 __do_page_fault arch/arm64/mm/fault.c:505 [inline] do_page_fault+0x67c/0xab0 arch/arm64/mm/fault.c:605 do_mem_abort+0x6c/0x1ac arch/arm64/mm/fault.c:820 el0_da+0x90/0x1ec arch/arm64/kernel/entry-common.c:494 el0t_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:629 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 2510 hardirqs last enabled at (2509): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (2509): [] _raw_spin_unlock_irqrestore+0xa8/0x14c kernel/locking/spinlock.c:194 hardirqs last disabled at (2510): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (2494): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (2492): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 083c01e95c19d7b8 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4910 at mm/page-writeback.c:2521 __set_page_dirty+0xd8/0xc6c mm/page-writeback.c:2521 Modules linked in: CPU: 0 PID: 4910 Comm: syz.0.15 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __set_page_dirty+0xd8/0xc6c mm/page-writeback.c:2521 lr : __set_page_dirty+0xd8/0xc6c mm/page-writeback.c:2521 sp : ffff80001bb47700 x29: ffff80001bb47710 x28: 1fffff800073e889 x27: 0000000000000000 x26: dfff800000000000 x25: 1fffff800073e889 x24: dfff800000000000 x23: fffffc00039f4458 x22: fffffc00039f4440 x21: 05ffc00000000019 x20: ffff0000e2bc2958 x19: fffffc00039f4440 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d83bc x15: ffffffffffffffff x14: ffff700003768ec4 x13: 1ffff00003768ec4 x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff800008694454 x8 : ffff0000d23e9b40 x7 : ffff8000086943c0 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000082d84e4 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __set_page_dirty+0xd8/0xc6c mm/page-writeback.c:2521 __set_page_dirty_nobuffers+0x154/0x250 mm/page-writeback.c:2551 set_page_dirty+0x23c/0x4e8 mm/page-writeback.c:2631 iomap_page_mkwrite_iter fs/iomap/buffered-io.c:976 [inline] iomap_page_mkwrite+0x49c/0x5c0 fs/iomap/buffered-io.c:998 __xfs_filemap_fault+0x508/0xca4 fs/xfs/xfs_file.c:1346 xfs_filemap_page_mkwrite+0x28/0x38 fs/xfs/xfs_file.c:1394 do_page_mkwrite+0x13c/0x358 mm/memory.c:2922 wp_page_shared+0x14c/0x388 mm/memory.c:3259 do_wp_page+0x7c0/0x984 mm/memory.c:3360 handle_pte_fault mm/memory.c:4668 [inline] __handle_mm_fault mm/memory.c:4785 [inline] handle_mm_fault+0x163c/0x2a28 mm/memory.c:4883 __do_page_fault arch/arm64/mm/fault.c:505 [inline] do_page_fault+0x67c/0xab0 arch/arm64/mm/fault.c:605 do_mem_abort+0x6c/0x1ac arch/arm64/mm/fault.c:820 el0_da+0x90/0x1ec arch/arm64/kernel/entry-common.c:494 el0t_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:629 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 2662 hardirqs last enabled at (2661): [] lock_page_memcg+0x110/0x22c mm/memcontrol.c:2059 hardirqs last disabled at (2662): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (2662): [] _raw_spin_lock_irqsave+0xfc/0x148 kernel/locking/spinlock.c:162 softirqs last enabled at (2654): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (2654): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (2513): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (2513): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2513): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (2513): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 083c01e95c19d7b9 ]---