syzbot


INFO: task hung in do_read_cache_page (2)
Status: upstream: reported C repro on 2021/02/09 08:22
Reported-by: syzbot+ccfb42aa5b352bd23da9@syzkaller.appspotmail.com
First crash: 297d, last: 69d

Fix bisection: failed (bisect log)
similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in do_read_cache_page 10 1243d 1346d 0/22 auto-closed as invalid on 2019/02/22 10:09
upstream INFO: task hung in do_read_cache_page (3) C done 74 4d06h 676d 0/22 upstream: reported C repro on 2020/01/27 06:32
android-49 INFO: task hung in do_read_cache_page 1 1287d 1286d 0/3 auto-closed as invalid on 2019/02/22 13:59
upstream INFO: task hung in do_read_cache_page (2) 1 813d 813d 0/22 auto-closed as invalid on 2019/11/11 08:43
linux-4.19 INFO: task hung in do_read_cache_page C done 2 354d 414d 1/1 fixed on 2021/01/13 11:08
upstream INFO: task can't die in wait_on_page_bit_common C done 5 108d 461d 0/22 upstream: reported C repro on 2020/08/28 22:28

Sample crash report:

Crashes (10):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2021/09/11 20:25 linux-4.19.y b172b44fcb17 3ce60af8 .config log report syz C INFO: task hung in do_read_cache_page
ci2-linux-4-19 2021/09/24 21:47 linux-4.19.y 2950c9c5e0df 8cac236e .config log report info INFO: task hung in do_read_cache_page
ci2-linux-4-19 2021/09/11 13:24 linux-4.19.y b172b44fcb17 3ce60af8 .config log report info INFO: task hung in do_read_cache_page
ci2-linux-4-19 2021/08/11 07:24 linux-4.19.y 5c66974a6304 6972b106 .config log report info INFO: task hung in do_read_cache_page
ci2-linux-4-19 2021/07/16 15:24 linux-4.19.y fcfbdfe9626e f115ae98 .config log report info INFO: task hung in do_read_cache_page
ci2-linux-4-19 2021/07/07 20:10 linux-4.19.y 9f84340f012e 95793bce .config log report info INFO: task hung in do_read_cache_page
ci2-linux-4-19 2021/04/13 08:32 linux-4.19.y 830a059cbba6 6a81331a .config log report info INFO: task hung in do_read_cache_page
ci2-linux-4-19 2021/04/06 12:23 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in do_read_cache_page
ci2-linux-4-19 2021/03/04 03:41 linux-4.19.y 2d19be4653f5 06ed56cd .config log report info INFO: task hung in do_read_cache_page
ci2-linux-4-19 2021/02/09 08:21 linux-4.19.y 811218eceeaa 2bd9619f .config log report info INFO: task hung in do_read_cache_page