syzbot


assertion failed: rpi->gp_acked + 1 == READ_ONCE(rsp->gpnum)

Status: auto-closed as invalid on 2019/02/22 10:22
Reported-by: syzbot+9486bd339e12b3fe37c9@syzkaller.appspotmail.com
First crash: 2321d, last: 2313d
Duplicate bugs (2)
duplicates (2):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
assertion failed: rpi->gp_acked + 1 == READ_ONCE(rsp->gpnum)HW TRAP frame at ADDR on core 2 1 2320d 2320d 0/1 closed as dup on 2018/07/18 09:28
assertion failed: rpi->gp_acked + 1 == READ_ONCE(rsp->gpnum)HW TRAP frame at ADDR on core 3 1 2320d 2320d 0/1 closed as dup on 2018/07/18 09:27

Sample crash report:
kernel panic at kern/src/rcu.c:323, from core 3: assertion failed: rpi->gp_acked + 1 == READ_ONCE(rsp->gpnum)
Stack Backtrace on Core 3:
#01 [<0xffffffffc200a2bc>] in backtrace at src/kdebug.c:220
#02 [<0xffffffffc2009afd>] in _panic at src/init.c:268
#03 [<0xffffffffc20504fb>] in rcu_report_qs_rpi at src/rcu.c:323
#04 [<0xffffffffc2050edc>] in rcu_report_qs at src/rcu.c:338
#05 [<0xffffffffc204d21b>] in proc_restartcore at src/process.c:807
#06 [<0xffffffffc20ab390>] in sysenter_callwrapper at arch/x86/trap.c:856
kernel panic at kern/src/rcu.c:323, from core 2: assertion failed: rpi->gp_acked + 1 == READ_ONCE(rsp->gpnum)
Stack Backtrace on Core 2:
#01 [<0xffffffffc200a2bc>] in backtrace at src/kdebug.c:220
#02 [<0xffffffffc2009afd>] in _panic at src/init.c:268
#03 [<0xffffffffc20504fb>] in rcu_report_qs_rpi at src/rcu.c:323
#04 [<0xffffffffc2050edc>] in rcu_report_qs at src/rcu.c:338
#05 [<0xffffffffc2054633>] in __smp_idle at src/smp.c:75

Crashes (1353):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/07/23 18:44 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 17:46 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 17:20 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 16:19 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 15:23 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 14:57 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 13:56 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 13:26 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 12:20 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 11:35 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 11:29 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 10:27 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 09:26 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 09:22 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 08:20 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 08:06 akaros 9196d29ad275 f69c5fcd .config console log report ci-akaros-main
2018/07/23 07:00 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/23 06:36 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/23 05:28 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/23 04:50 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/23 03:50 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/23 03:36 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/23 02:22 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/23 01:58 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/23 00:54 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 23:53 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 23:44 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 22:42 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 22:18 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 20:59 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 20:46 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 19:44 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 18:35 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 18:09 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 17:00 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 16:47 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 15:42 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 14:55 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 13:49 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/22 13:34 akaros 9196d29ad275 8cc079c3 .config console log report ci-akaros-main
2018/07/16 16:02 akaros 93b9607ebeff 40cb0c9a .config console log report ci-akaros-main
* Struck through repros no longer work on HEAD.