------------[ cut here ]------------ WARNING: CPU: 1 PID: 4232 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline] WARNING: CPU: 1 PID: 4232 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite+0x400/0x57c fs/iomap/buffered-io.c:998 Modules linked in: CPU: 1 PID: 4232 Comm: syz.4.23 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 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 : ffff80001ff47800 x29: ffff80001ff47960 x28: 1fffff80006faac1 x27: dfff800000000000 x26: ffff700003fe8f04 x25: 0000000000000003 x24: 05ffc00000000011 x23: 0000000000001000 x22: ffff80001ff47840 x21: fffffc00037d5608 x20: fffffc00037d5600 x19: ffff80001167c3c0 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000111bc798 x15: ffffffffffffffff x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008a898f0 x8 : ffff0000d969d1c0 x7 : 0000000000000000 x6 : ffff0000e881b600 x5 : ffff80001ff472d0 x4 : ffff80001ff47600 x3 : ffff8000099c10b8 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: 5370 hardirqs last enabled at (5369): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (5369): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4784 hardirqs last disabled at (5370): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (5356): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (5354): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace fdaf783321d98758 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4232 at mm/page-writeback.c:2521 __set_page_dirty+0xd8/0xc74 mm/page-writeback.c:2521 Modules linked in: CPU: 0 PID: 4232 Comm: syz.4.23 Tainted: G W 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 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 : ffff80001ff47700 x29: ffff80001ff47710 x28: 1fffff80006faac1 x27: 0000000000000000 x26: dfff800000000000 x25: 1fffff80006faac1 x24: dfff800000000000 x23: fffffc00037d5618 x22: fffffc00037d5600 x21: 05ffc00000000019 x20: ffff0000eaf092d8 x19: fffffc00037d5600 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d5f6c x15: ffffffffffffffff x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000868d6a8 x8 : ffff0000d969d1c0 x7 : ffff80000868d614 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000082d608c 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: 5984 hardirqs last enabled at (5983): [] lock_page_memcg+0x110/0x234 mm/memcontrol.c:2059 hardirqs last disabled at (5984): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (5984): [] _raw_spin_lock_irqsave+0xfc/0x14c kernel/locking/spinlock.c:162 softirqs last enabled at (5976): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (5976): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604 softirqs last disabled at (5373): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (5373): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (5373): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (5373): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 ---[ end trace fdaf783321d98759 ]--- [U] K)0~ܳʪIP'FҜZR @B]5{ʼ'8ƥFUTQUDǩK;7ͪ0C[YYCذML8T͚5RXW XOQHVI'8L