WARNING in ext4_da_update_reserve

Title	Replies (including bot)	Last reply
WARNING in ext4_da_update_reserve_space	3 (5)	2020/04/04 22:13

Title

Replies (including bot)

Last reply

WARNING in ext4_da_update_reserve_space

3 (5)

2020/04/04 22:13

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in ext4_da_update_reserve_space (2) ext4	-1	syz, C	error	error	9	1189d	1262d	0/29	auto-obsoleted due to no activity on 2023/09/27 10:25
linux-5.15	WARNING in ext4_da_update_reserve_space	-1				1	1242d	1242d	0/3	auto-obsoleted due to no activity on 2023/08/14 09:33

Rank 🛈

upstream

WARNING in ext4_da_update_reserve_space (2) ext4

-1

syz, C

error

1189d

1262d

0/29

auto-obsoleted due to no activity on 2023/09/27 10:25

linux-5.15

WARNING in ext4_da_update_reserve_space

-1

1242d

0/3

auto-obsoleted due to no activity on 2023/08/14 09:33


Created	Duration	User	Patch	Repo	Result
2022/09/07 03:27	18m	retest repro		net-next-old	no crash log
2020/04/04 18:37	17m	tytso@mit.edu		https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev	no crash

EXT4-fs warning (device sda1): ext4_da_update_reserve_space:344: ext4_da_update_reserve_space: ino 15722, used 1 with only 0 reserved data blocks ------------[ cut here ]------------ WARNING: CPU: 1 PID: 359 at fs/ext4/inode.c:348 ext4_da_update_reserve_space+0x622/0x7d0 fs/ext4/inode.c:344 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 359 Comm: kworker/u4:5 Not tainted 5.6.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: writeback wb_workfn (flush-8:0) Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x35 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [inline] do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:ext4_da_update_reserve_space+0x622/0x7d0 fs/ext4/inode.c:348 Code: 02 00 0f 85 94 01 00 00 48 8b 7d 28 49 c7 c0 20 72 3c 88 41 56 48 c7 c1 80 60 3c 88 53 ba 58 01 00 00 4c 89 c6 e8 1e 6d 0d 00 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 0f b6 04 RSP: 0018:ffffc90002197288 EFLAGS: 00010296 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff820bf066 RDI: fffff52000432e21 RBP: ffff888086b744c8 R08: 0000000000000091 R09: ffffed1015ce6659 R10: ffffed1015ce6658 R11: ffff8880ae7332c7 R12: 0000000000000001 R13: ffff888086b74990 R14: 0000000000000000 R15: ffff888086b74a40 ext4_ext_map_blocks+0x24aa/0x37d0 fs/ext4/extents.c:4500 ext4_map_blocks+0x4cb/0x1650 fs/ext4/inode.c:622 mpage_map_one_extent fs/ext4/inode.c:2365 [inline] mpage_map_and_submit_extent fs/ext4/inode.c:2418 [inline] ext4_writepages+0x19eb/0x3080 fs/ext4/inode.c:2772 do_writepages+0xfa/0x2a0 mm/page-writeback.c:2344 __writeback_single_inode+0x12a/0x1410 fs/fs-writeback.c:1452 writeback_sb_inodes+0x515/0xdd0 fs/fs-writeback.c:1716 wb_writeback+0x2a5/0xd90 fs/fs-writeback.c:1892 wb_do_writeback fs/fs-writeback.c:2037 [inline] wb_workfn+0x339/0x11c0 fs/fs-writeback.c:2078 process_one_work+0x94b/0x1690 kernel/workqueue.c:2266 worker_thread+0x96/0xe20 kernel/workqueue.c:2412 kthread+0x357/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2020/03/29 11:33	net-next-old	1a147b74c2fd	05736b29	.config	console log	report	syz	C			ci-upstream-net-kasan-gce
2020/03/29 10:55	net-next-old	1a147b74c2fd	05736b29	.config	console log	report					ci-upstream-net-kasan-gce

Crashes (2):

Assets (help?)