------------[ cut here ]------------ WARNING: CPU: 1 PID: 4817 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline] WARNING: CPU: 1 PID: 4817 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite+0x400/0x57c fs/iomap/buffered-io.c:998 Modules linked in: CPU: 1 PID: 4817 Comm: syz.4.165 Not tainted 5.15.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline] pc : iomap_page_mkwrite+0x400/0x57c fs/iomap/buffered-io.c:998 lr : iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline] lr : iomap_page_mkwrite+0x400/0x57c fs/iomap/buffered-io.c:998 sp : ffff80001fbb7800 x29: ffff80001fbb7960 x28: 1fffff80007b4101 x27: dfff800000000000 x26: ffff700003f76f04 x25: 0000000000000003 x24: 05ffc00000000031 x23: 0000000000001000 x22: ffff80001fbb7840 x21: fffffc0003da0808 x20: fffffc0003da0800 x19: ffff80001165d780 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000111a5644 x15: ffffffffffffffff x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008a98cf4 x8 : ffff0000c7ef9b40 x7 : 0000000000000000 x6 : ffff80000875e198 x5 : ffff0000ea4d84e8 x4 : ffff80001fbb7600 x3 : ffff8000099cfc64 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline] iomap_page_mkwrite+0x400/0x57c fs/iomap/buffered-io.c:998 __xfs_filemap_fault+0x500/0xc84 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/0x398 mm/memory.c:3259 do_wp_page+0x7c0/0x994 mm/memory.c:3360 handle_pte_fault mm/memory.c:4668 [inline] __handle_mm_fault mm/memory.c:4785 [inline] handle_mm_fault+0x1770/0x2950 mm/memory.c:4883 __do_page_fault arch/arm64/mm/fault.c:505 [inline] do_page_fault+0x694/0xad4 arch/arm64/mm/fault.c:605 do_mem_abort+0x6c/0x1ac arch/arm64/mm/fault.c:819 el0_da+0x90/0x1fc 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: 3896 hardirqs last enabled at (3895): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (3895): [] _raw_spin_unlock_irqrestore+0xa8/0x14c kernel/locking/spinlock.c:194 hardirqs last disabled at (3896): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (3872): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (3870): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 30a005bbee80ae3b ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4817 at mm/page-writeback.c:2521 __set_page_dirty+0xd8/0xc74 mm/page-writeback.c:2521 Modules linked in: CPU: 0 PID: 4817 Comm: syz.4.165 Tainted: G W 5.15.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __set_page_dirty+0xd8/0xc74 mm/page-writeback.c:2521 lr : __set_page_dirty+0xd8/0xc74 mm/page-writeback.c:2521 sp : ffff80001fbb7700 x29: ffff80001fbb7710 x28: 1fffff80007b4101 x27: 0000000000000000 x26: dfff800000000000 x25: 1fffff80007b4101 x24: dfff800000000000 x23: fffffc0003da0818 x22: fffffc0003da0800 x21: 05ffc00000000039 x20: ffff0000eec3a1d8 x19: fffffc0003da0800 x18: 0000000000000000 x17: ffff800016cdf000 x16: ffff8000082d465c x15: ffff8000167bf4c0 x14: ffff0000c7efa540 x13: ffff0000c7efa5e0 x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869d13c x8 : ffff0000c7ef9b40 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000082d477c x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __set_page_dirty+0xd8/0xc74 mm/page-writeback.c:2521 __set_page_dirty_nobuffers+0x154/0x258 mm/page-writeback.c:2551 set_page_dirty+0x23c/0x4f0 mm/page-writeback.c:2631 iomap_page_mkwrite_iter fs/iomap/buffered-io.c:976 [inline] iomap_page_mkwrite+0x450/0x57c fs/iomap/buffered-io.c:998 __xfs_filemap_fault+0x500/0xc84 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/0x398 mm/memory.c:3259 do_wp_page+0x7c0/0x994 mm/memory.c:3360 handle_pte_fault mm/memory.c:4668 [inline] __handle_mm_fault mm/memory.c:4785 [inline] handle_mm_fault+0x1770/0x2950 mm/memory.c:4883 __do_page_fault arch/arm64/mm/fault.c:505 [inline] do_page_fault+0x694/0xad4 arch/arm64/mm/fault.c:605 do_mem_abort+0x6c/0x1ac arch/arm64/mm/fault.c:819 el0_da+0x90/0x1fc 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: 4364 hardirqs last enabled at (4363): [] lock_page_memcg+0x110/0x234 mm/memcontrol.c:2061 hardirqs last disabled at (4364): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (4364): [] _raw_spin_lock_irqsave+0xfc/0x14c kernel/locking/spinlock.c:162 softirqs last enabled at (4356): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (4356): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:586 softirqs last disabled at (3899): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (3899): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (3899): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (3899): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:641 ---[ end trace 30a005bbee80ae3c ]---