syzbot


WARNING in ext4_evict_inode (2)

Status: auto-closed as invalid on 2022/01/09 16:34
Reported-by: syzbot+80d413b5e0bdc4e192ba@syzkaller.appspotmail.com
First crash: 448d, last: 448d
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in ext4_evict_inode (3) 4 191d 289d 0/24 auto-obsoleted due to no activity on 2022/09/23 23:46
upstream WARNING in ext4_evict_inode 1 718d 714d 0/24 auto-closed as invalid on 2021/04/15 03:41

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9028 at fs/ext4/inode.c:230 ext4_evict_inode+0xf9a/0x1950 fs/ext4/inode.c:230
Modules linked in:
CPU: 1 PID: 9028 Comm: syz-executor.5 Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ext4_evict_inode+0xf9a/0x1950 fs/ext4/inode.c:230
Code: 28 41 bc 01 00 00 00 48 89 04 24 e9 60 f6 ff ff c7 44 24 24 06 00 00 00 c7 44 24 20 06 00 00 00 e9 df f6 ff ff e8 56 ad 62 ff <0f> 0b e9 c6 f5 ff ff e8 7a ee a9 ff e9 60 f1 ff ff 48 89 cf e8 6d
RSP: 0018:ffffc90000f2fca0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff920001e5f9a RCX: 0000000000000000
RDX: ffff88807ef11c80 RSI: ffffffff8213640a RDI: 0000000000000003
RBP: ffff888042a282a0 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff821359ce R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000001 R14: ffff88814050ab60 R15: ffff8880414e4038
FS:  000000000230a400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32643000 CR3: 000000005087c000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 evict+0x2ed/0x6b0 fs/inode.c:586
 iput_final fs/inode.c:1662 [inline]
 iput.part.0+0x539/0x850 fs/inode.c:1688
 iput+0x58/0x70 fs/inode.c:1678
 do_unlinkat+0x418/0x650 fs/namei.c:4176
 __do_sys_unlink fs/namei.c:4217 [inline]
 __se_sys_unlink fs/namei.c:4215 [inline]
 __x64_sys_unlink+0xc6/0x110 fs/namei.c:4215
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x465f37
Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd277ea528 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000465f37
RDX: 00007ffd277ea560 RSI: 00007ffd277ea560 RDI: 00007ffd277ea5f0
RBP: 00007ffd277ea5f0 R08: 0000000000000001 R09: 00007ffd277ea3c0
R10: 000000000230b89b R11: 0000000000000206 R12: 00000000004bee90
R13: 00007ffd277eb6c0 R14: 000000000230b810 R15: 00007ffd277eb700

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-this-kasan-gce 2021/09/11 16:33 net 08dad2f4d541 5ae8508a .config log report info WARNING in ext4_evict_inode
* Struck through repros no longer work on HEAD.