binder: BINDER_SET_CONTEXT_MGR already set binder: 10340:10344 ioctl 40046207 0 returned -16 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 10351 at fs/buffer.c:634 __set_page_dirty+0x188/0x1f0 fs/buffer.c:634 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 10351 Comm: syz-executor2 Not tainted 4.9.135+ #113 ffff8801d8047370 ffffffff81b36bf9 ffffffff82a38ba0 00000000ffffffff 0000000000000000 0000000000000000 000000000000027a ffff8801d8047430 ffffffff813f6aa5 0000000041b58ab3 ffffffff82e2a6e3 ffffffff813f68e6 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] panic+0x1bf/0x39f kernel/panic.c:179 [] __warn.cold.9+0xc1/0x17f kernel/panic.c:542 [] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585 [] __set_page_dirty+0x188/0x1f0 fs/buffer.c:634 [] __set_page_dirty_buffers+0x159/0x230 fs/buffer.c:694 [] set_page_dirty+0x162/0x2d0 mm/page-writeback.c:2554 [] set_page_dirty_lock+0x67/0xa0 mm/page-writeback.c:2579 [] dio_bio_complete+0x40a/0x4e0 fs/direct-io.c:495 [] dio_await_completion fs/direct-io.c:517 [inline] [] do_blockdev_direct_IO fs/direct-io.c:1331 [inline] [] __blockdev_direct_IO+0x8c27/0xbd10 fs/direct-io.c:1360 [] ext4_direct_IO_read fs/ext4/inode.c:3604 [inline] [] ext4_direct_IO+0xc68/0x29c0 fs/ext4/inode.c:3661 [] generic_file_read_iter+0x83b/0x1a80 mm/filemap.c:1964 [] new_sync_read fs/read_write.c:439 [inline] [] __vfs_read+0x3d4/0x560 fs/read_write.c:451 [] vfs_read+0x124/0x390 fs/read_write.c:472 [] SYSC_pread64 fs/read_write.c:626 [inline] [] SyS_pread64+0x145/0x170 fs/read_write.c:613 [] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..