BUG: scheduling while atomic in exit_to_user_mode

Date	Name	Commit	Repro	Result
2023/12/30	linux-6.1.y (ToT)	4aa6747d9352	C	[report] INFO: rcu detected stall in corrupted
2023/12/30	upstream (ToT)	f016f7547aee	C	Didn't crash

Date

Name

Commit

Repro

Result

2023/12/30

linux-6.1.y (ToT)

4aa6747d9352

[report] INFO: rcu detected stall in corrupted

2023/12/30

upstream (ToT)

f016f7547aee

Didn't crash

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	BUG: scheduling while atomic in exit_to_user_mode_loop ntfs3	syz	error	error	1	747d	774d	0/28	auto-obsoleted due to no activity on 2023/05/14 09:44
android-5-15	BUG: scheduling while atomic in exit_to_user_mode_loop origin:upstream	C		done	814	171d	327d	0/2	upstream: reported C repro on 2023/12/30 11:04
android-6-1	BUG: scheduling while atomic in exit_to_user_mode_loop	C		done	1087	145d	327d	0/2	auto-obsoleted due to no activity on 2024/09/07 07:43
linux-5.15	BUG: scheduling while atomic in exit_to_user_mode_loop origin:lts-only	syz		unreliable	2	276d	282d	0/3	auto-obsoleted due to no activity on 2024/10/07 06:36

Created	Duration	User	Patch	Repo	Result
2024/01/01 08:05	5h49m	fix candidate		upstream	OK (1) job log

Created

Duration

User

Patch

Repo

Result

2024/01/01 08:05

5h49m

fix candidate

upstream

OK (1) job log

BUG: scheduling while atomic: syz-executor289/6400/0x00000002 no locks held by syz-executor289/6400. Modules linked in: Preemption disabled at: [<ffffffff81f8d240>] rcu_read_lock_sched include/linux/rcupdate.h:849 [inline] [<ffffffff81f8d240>] fd_install+0x50/0x540 fs/file.c:607 Kernel panic - not syncing: scheduling while atomic: panic_on_warn set ... CPU: 1 PID: 6400 Comm: syz-executor289 Not tainted 6.1.78-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 panic+0x318/0x75d kernel/panic.c:339 check_panic_on_warn+0x7e/0xa0 kernel/panic.c:235 __schedule_bug+0x1ba/0x220 kernel/sched/core.c:5788 schedule_debug kernel/sched/core.c:5817 [inline] __schedule+0x14ed/0x4550 kernel/sched/core.c:6452 schedule+0xbf/0x180 kernel/sched/core.c:6634 exit_to_user_mode_loop+0x44/0x100 kernel/entry/common.c:159 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3f12adaf91 Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 49 80 3d fa a0 07 00 00 74 6d 89 da 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 93 00 00 00 48 8b 54 24 28 64 48 2b 14 25 RSP: 002b:00007ffcc7bea9b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: 0000000000000003 RBX: 0000000000080001 RCX: 00007f3f12adaf91 RDX: 0000000000080001 RSI: 00007f3f12b25022 RDI: 00000000ffffff9c RBP: 00007f3f12b25022 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcc7beaa50 R13: 00007ffcc7beaf2c R14: 00007ffcc7beaf40 R15: 00007ffcc7beaf30 </TASK> Kernel Offset: disabled Rebooting in 86400 seconds..

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Assets (help?)	Manager	Title
2024/02/21 13:29	linux-6.1.y	8b4118fabd6e	3af7dd65	.config	console log	report	syz	C	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-perf	BUG: scheduling while atomic in exit_to_user_mode_loop
2023/12/30 14:49	linux-6.1.y	4aa6747d9352	fb427a07	.config	console log	report	syz	C	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-perf	BUG: scheduling while atomic in exit_to_user_mode_loop
2024/02/13 00:08	linux-6.1.y	f1bb70486c9c	77b23aa1	.config	console log	report	syz		[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-perf	BUG: scheduling while atomic in exit_to_user_mode_loop

Crashes (3):

Assets (help?)