XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x180/0x284" at daddr 0x6 len 2 error 74 XFS (loop0): page discard on page 000000004dbea4f8, inode 0x2a, offset 0. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4994 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite_iter fs/iomap/buffered-io.c:975 [inline] WARNING: CPU: 1 PID: 4994 at fs/iomap/buffered-io.c:975 iomap_page_mkwrite+0x400/0x57c fs/iomap/buffered-io.c:998 Modules linked in: CPU: 1 PID: 4994 Comm: syz.0.16 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 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+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 : ffff800020047280 x29: ffff8000200473e0 x28: 1fffff8000739e19 x27: dfff800000000000 x26: ffff700004008e54 x25: 0000000000000003 x24: 05ffc00000000031 x23: 0000000000001000 x22: ffff8000200472c0 x21: fffffc00039cf0c8 x20: fffffc00039cf0c0 x19: ffff80001168cb40 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000111c803c x15: ffffffffffffffff x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008a8a1d0 x8 : ffff0000d2ff0000 x7 : 0000000000000000 x6 : ffff80000805b3fc x5 : ffff0000ce4eed58 x4 : ffff800020047080 x3 : ffff8000099c572c 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:820 el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:358 el1h_64_sync_handler+0x80/0xcc arch/arm64/kernel/entry-common.c:418 el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:522 __arch_copy_to_user+0xcc/0x218 arch/arm64/lib/copy_template.S:115 sk_getsockopt net/core/sock.c:1623 [inline] sock_getsockopt+0x1484/0x1708 net/core/sock.c:1790 __sys_getsockopt+0x15c/0x250 net/socket.c:2243 __do_sys_getsockopt net/socket.c:2262 [inline] __se_sys_getsockopt net/socket.c:2259 [inline] __arm64_sys_getsockopt+0xb8/0xd4 net/socket.c:2259 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 159328 hardirqs last enabled at (159327): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (159327): [] _raw_spin_unlock_irqrestore+0xa8/0x14c kernel/locking/spinlock.c:194 hardirqs last disabled at (159328): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (159314): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (159312): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 9a5da24a59074eed ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4994 at mm/page-writeback.c:2521 __set_page_dirty+0xd8/0xc74 mm/page-writeback.c:2521 Modules linked in: CPU: 1 PID: 4994 Comm: syz.0.16 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 824000c5 (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 : ffff800020047180 x29: ffff800020047190 x28: 1fffff8000739e19 x27: 0000000000000000 x26: dfff800000000000 x25: 1fffff8000739e19 x24: dfff800000000000 x23: fffffc00039cf0d8 x22: fffffc00039cf0c0 x21: 05ffc00000000039 x20: ffff0000e1e8a1d8 x19: fffffc00039cf0c0 x18: 0000000000000000 x17: ffff800016d16000 x16: ffff8000082d5fa0 x15: ffff8000167f6500 x14: ffff0000d2ff0a00 x13: ffff0000d2ff0aa0 x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000868da08 x8 : ffff0000d2ff0000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000082d60c0 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:820 el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:358 el1h_64_sync_handler+0x80/0xcc arch/arm64/kernel/entry-common.c:418 el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:522 __arch_copy_to_user+0xcc/0x218 arch/arm64/lib/copy_template.S:115 sk_getsockopt net/core/sock.c:1623 [inline] sock_getsockopt+0x1484/0x1708 net/core/sock.c:1790 __sys_getsockopt+0x15c/0x250 net/socket.c:2243 __do_sys_getsockopt net/socket.c:2262 [inline] __se_sys_getsockopt net/socket.c:2259 [inline] __arm64_sys_getsockopt+0xb8/0xd4 net/socket.c:2259 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 159620 hardirqs last enabled at (159619): [] lock_page_memcg+0x110/0x234 mm/memcontrol.c:2059 hardirqs last disabled at (159620): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (159620): [] _raw_spin_lock_irqsave+0xfc/0x14c kernel/locking/spinlock.c:162 softirqs last enabled at (159612): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (159612): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604 softirqs last disabled at (159331): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (159331): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (159331): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (159331): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 ---[ end trace 9a5da24a59074eee ]---