------------[ cut here ]------------ WARNING: fs/buffer.c:1183 at mark_buffer_dirty+0x26c/0x490 fs/buffer.c:1183, CPU#0: syz.0.131/7415 Modules linked in: CPU: 0 UID: 0 PID: 7415 Comm: syz.0.131 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : mark_buffer_dirty+0x26c/0x490 fs/buffer.c:1183 lr : mark_buffer_dirty+0x26c/0x490 fs/buffer.c:1183 sp : ffff80009dc073f0 x29: ffff80009dc073f0 x28: ffff0000cca6e158 x27: dfff800000000000 x26: ffff0000e9af1c00 x25: ffff0000f4384a28 x24: ffff0000f56563a0 x23: ffff0000cca6e018 x22: ffff0000f5656000 x21: 1fffe0001994dc2b x20: 0000000000000010 x19: ffff0000f56563a0 x18: 00000000ffffffff x17: ffff800093599000 x16: ffff800080537e24 x15: 0000000000000001 x14: 1fffe0001eacac74 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000000060b x9 : ffff8000a5749000 x8 : 000000000000060c x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff0000e9af1e00 x4 : ffff00011b10c600 x3 : ffff800080eb0438 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: mark_buffer_dirty+0x26c/0x490 fs/buffer.c:1183 (P) bfs_move_block fs/bfs/file.c:44 [inline] bfs_move_blocks fs/bfs/file.c:57 [inline] bfs_get_block+0x4d8/0x9d4 fs/bfs/file.c:126 __block_write_begin_int+0x53c/0x15e8 fs/buffer.c:2145 block_write_begin+0xa4/0x12c fs/buffer.c:2256 bfs_write_begin+0x48/0xec fs/bfs/file.c:180 generic_perform_write+0x244/0x7bc mm/filemap.c:4314 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4431 generic_file_write_iter+0x10c/0x47c mm/filemap.c:4457 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x540/0xa3c fs/read_write.c:686 ksys_pwrite64 fs/read_write.c:793 [inline] __do_sys_pwrite64 fs/read_write.c:801 [inline] __se_sys_pwrite64 fs/read_write.c:798 [inline] __arm64_sys_pwrite64+0x170/0x208 fs/read_write.c:798 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 2518 hardirqs last enabled at (2517): [] bh_lru_install fs/buffer.c:1353 [inline] hardirqs last enabled at (2517): [] find_get_block_common+0x974/0xdec fs/buffer.c:1410 hardirqs last disabled at (2518): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (2504): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (2502): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---