------------[ cut here ]------------ WARNING: CPU: 1 PID: 8385 at fs/buffer.c:1084 mark_buffer_dirty+0x2e8/0x574 fs/buffer.c:1084 Modules linked in: CPU: 1 PID: 8385 Comm: syz.0.1047 Not tainted 5.15.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mark_buffer_dirty+0x2e8/0x574 fs/buffer.c:1084 lr : mark_buffer_dirty+0x2e8/0x574 fs/buffer.c:1084 sp : ffff80001d8d68a0 x29: ffff80001d8d68a0 x28: ffff0000cebfd000 x27: ffff0000e6067800 x26: ffff0000e3e5c530 x25: ffff0000ca424018 x24: ffff0000e3c59658 x23: ffff0000e3c59910 x22: ffff0000ca424160 x21: ffff0000e3e5c540 x20: 0000000000000010 x19: ffff0000e3c59658 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082ebc4c x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000d2d03680 x8 : ffff800008a6f62c x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff0000e6067a00 x4 : ffff0000cebfd200 x3 : ffff800008a6f370 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: mark_buffer_dirty+0x2e8/0x574 fs/buffer.c:1084 bfs_move_block fs/bfs/file.c:43 [inline] bfs_move_blocks fs/bfs/file.c:56 [inline] bfs_get_block+0x6fc/0xa34 fs/bfs/file.c:125 __block_write_begin_int+0x3ec/0x1608 fs/buffer.c:2012 __block_write_begin fs/buffer.c:2062 [inline] block_write_begin+0x60/0xdc fs/buffer.c:2122 bfs_write_begin+0x50/0xf4 fs/bfs/file.c:177 generic_perform_write+0x24c/0x520 mm/filemap.c:3785 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3912 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3944 __kernel_write+0x488/0x8b0 fs/read_write.c:539 __dump_emit+0x200/0x338 fs/coredump.c:875 dump_emit+0x288/0x36c fs/coredump.c:912 writenote+0x114/0x330 fs/binfmt_elf.c:1463 write_note_info fs/binfmt_elf.c:1924 [inline] elf_core_dump+0x2adc/0x3640 fs/binfmt_elf.c:2272 do_coredump+0x12c8/0x2890 fs/coredump.c:826 get_signal+0x3dc/0x1550 kernel/signal.c:2875 do_signal arch/arm64/kernel/signal.c:890 [inline] do_notify_resume+0x320/0x32b8 arch/arm64/kernel/signal.c:943 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_ia+0x15c/0x2f0 arch/arm64/kernel/entry-common.c:513 el0t_64_sync_handler+0xa8/0xe4 arch/arm64/kernel/entry-common.c:632 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 990 hardirqs last enabled at (989): [] bh_lru_install fs/buffer.c:1261 [inline] hardirqs last enabled at (989): [] __find_get_block+0xb68/0xdd4 fs/buffer.c:1312 hardirqs last disabled at (990): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (840): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (840): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (825): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (825): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (825): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (825): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace f3e6913ff4362b51 ]---