------------[ cut here ]------------ WARNING: CPU: 1 PID: 4057 at fs/buffer.c:1084 mark_buffer_dirty+0x42c/0x714 fs/buffer.c:1084 Modules linked in: CPU: 1 PID: 4057 Comm: syz-executor221 Not tainted 5.15.102-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mark_buffer_dirty+0x42c/0x714 fs/buffer.c:1084 lr : mark_buffer_dirty+0x42c/0x714 fs/buffer.c:1084 sp : ffff80001c786980 x29: ffff80001c786980 x28: ffff0000c5ec8000 x27: ffff0000dc4ad200 x26: ffff0000df534530 x25: ffff0000d99e6018 x24: ffff0000dca852b8 x23: ffff0000dca84bc8 x22: ffff0000d99e6160 x21: ffff0000df534540 x20: 0000000000000010 x19: ffff0000dca852b8 x18: 0000000000000000 x17: ff808000086d97a0 x16: ffff8000082eebe4 x15: 0000000000000000 x14: 0000000000000000 x13: ffffffffffffffff x12: 0000000000000000 x11: ff80800008a74964 x10: 0000000000000000 x9 : ffff800008a74964 x8 : ffff0000c22ab580 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff0000dc4ad400 x4 : ffff0000c5ec8200 x3 : ffff800008a74564 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: mark_buffer_dirty+0x42c/0x714 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:3776 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3903 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3935 __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 elf_core_dump+0x2888/0x3640 fs/binfmt_elf.c:2264 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_da+0x118/0x20c arch/arm64/kernel/entry-common.c:483 el0t_64_sync_handler+0xc0/0xe4 arch/arm64/kernel/entry-common.c:617 el0t_64_sync+0x1a0/0x1a4 :584 irq event stamp: 670 hardirqs last enabled at (669): [] bh_lru_install fs/buffer.c:1261 [inline] hardirqs last enabled at (669): [] __find_get_block+0xb68/0xdd4 fs/buffer.c:1312 hardirqs last disabled at (670): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (224): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (222): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 05b8ff4c121a8f58 ]---