syzbot


WARNING in nilfs_rmdir

Status: upstream: reported C repro on 2024/11/20 17:47
Subsystems: nilfs
[Documentation on labels]
Reported-by: syzbot+9260555647a5132edd48@syzkaller.appspotmail.com
Fix commit: 901ce9705fbb nilfs2: prevent use of deleted inode
Patched on: [ci-qemu-gce-upstream-auto ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-snapshot-upstream-root ci-upstream-bpf-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-badwrites-root ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce-386-root ci-upstream-kmsan-gce-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu-native-arm64-kvm ci-qemu2-arm32 ci-qemu2-riscv64 ci-upstream-bpf-next-kasan-gce]
First crash: 59d, last: 12d
Cause bisection: failed (error log, bisect log)
  
Discussions (4)
Title Replies (including bot) Last reply
[PATCH] nilfs2: prevent use of deleted inode 1 (1) 2024/12/09 06:56
[PATCH] nilfs2: drop the inode which has been removed 8 (8) 2024/12/08 07:35
[syzbot] [nilfs?] WARNING in nilfs_rmdir 4 (9) 2024/12/08 03:19
[syzbot] Monthly nilfs report (Nov 2024) 0 (1) 2024/11/28 08:47
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in nilfs_rmdir C 42 28d 51d 0/3 upstream: reported C repro on 2024/11/28 20:36
linux-5.15 WARNING in nilfs_rmdir origin:lts-only C 4 27d 35d 0/3 upstream: reported C repro on 2024/12/15 02:00
Last patch testing requests (4)
Created Duration User Patch Repo Result
2024/12/08 02:38 35m eadavis@qq.com https://github.com/ea1davis/linux nilfs/syz_0163_v4 OK log
2024/12/05 11:13 18m eadavis@qq.com https://github.com/ea1davis/linux nilfs/syz_0163_v3 OK log
2024/12/04 13:42 20m eadavis@qq.com https://github.com/ea1davis/linux nilfs/syz_0163_v2 log
2024/12/04 11:53 18m eadavis@qq.com https://github.com/ea1davis/linux nilfs/syz_0163 OK log

Sample crash report:
NILFS (loop0): nilfs_palloc_commit_free_entry (ino=6): entry number 16 already freed
NILFS (loop0): nilfs_palloc_commit_free_entry (ino=6): entry number 17 already freed
NILFS (loop0): deleting nonexistent file (ino=11), 0
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5818 at fs/inode.c:407 drop_nlink+0xc4/0x110 fs/inode.c:407
Modules linked in:
CPU: 0 UID: 0 PID: 5818 Comm: syz-executor286 Not tainted 6.13.0-rc3-syzkaller-00209-g499551201b5f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:drop_nlink+0xc4/0x110 fs/inode.c:407
Code: bb 70 07 00 00 be 08 00 00 00 e8 07 3c e7 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 7d 63 83 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
RSP: 0018:ffffc90003c57c70 EFLAGS: 00010293
RAX: ffffffff821c1023 RBX: 1ffff1100e385694 RCX: ffff888033730000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff821c0fa3 R09: 1ffff1100f95b4ee
R10: dffffc0000000000 R11: ffffed100f95b4ef R12: ffff888071c2b4a0
R13: 1ffff1100e3855c4 R14: ffff888071c2b458 R15: dffffc0000000000
FS:  0000555576db8380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcd1ce0ba8 CR3: 0000000076d12000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_rmdir+0x1b0/0x250 fs/nilfs2/namei.c:342
 vfs_rmdir+0x3a3/0x510 fs/namei.c:4394
 do_rmdir+0x3b5/0x580 fs/namei.c:4453
 __do_sys_rmdir fs/namei.c:4472 [inline]
 __se_sys_rmdir fs/namei.c:4470 [inline]
 __x64_sys_rmdir+0x47/0x50 fs/namei.c:4470
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29571f4c07
Code: 73 01 c3 48 c7 c1 b8 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 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcd1ce1358 EFLAGS: 00000207 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f29571f4c07
RDX: 0000000000008890 RSI: 0000000000000000 RDI: 00007ffcd1ce2500
RBP: 0000000000000065 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffcd1ce2500
R13: 0000555576dc9740 R14: 431bde82d7b634db R15: 00007ffcd1ce4680
 </TASK>

Crashes (295):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/12/21 22:32 upstream 499551201b5f d7f584ee .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_rmdir
2024/12/01 21:09 upstream bcc8eda6d349 68914665 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_rmdir
2024/11/20 19:16 upstream bf9aa14fc523 4fca1650 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_rmdir
2024/11/20 17:35 upstream bf9aa14fc523 4fca1650 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_rmdir
2024/12/21 20:32 upstream a99b4a369a54 d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/21 15:12 upstream 499551201b5f d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/21 07:01 upstream 499551201b5f d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/21 07:01 upstream 499551201b5f d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/21 05:17 upstream e9b8ffafd20a d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_rmdir
2024/12/20 21:04 upstream e9b8ffafd20a 1ac6aa80 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/20 16:42 upstream 8faabc041a00 1ac6aa80 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/20 12:52 upstream 8faabc041a00 1d58202c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/20 12:52 upstream 8faabc041a00 1d58202c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/20 08:32 upstream 8faabc041a00 0f61b415 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_rmdir
2024/12/20 04:28 upstream 8faabc041a00 1d58202c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/20 03:10 upstream eabcdba3ad40 1d58202c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/19 13:43 upstream eabcdba3ad40 1d58202c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/19 13:43 upstream eabcdba3ad40 1d58202c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/19 11:34 upstream eabcdba3ad40 1432fc84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/19 10:22 upstream c061cf420ded 1432fc84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/19 08:40 upstream c061cf420ded 1432fc84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/18 22:04 upstream c061cf420ded 1432fc84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/18 16:04 upstream aef25be35d23 1432fc84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/18 15:48 upstream aef25be35d23 a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_rmdir
2024/12/18 05:33 upstream aef25be35d23 a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/18 04:11 upstream 59dbb9d81adf a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_rmdir
2024/12/17 19:53 upstream 59dbb9d81adf c8c15bb2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/17 15:15 upstream f44d154d6e3d c8c15bb2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/17 15:12 upstream f44d154d6e3d c8c15bb2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/17 05:05 upstream f44d154d6e3d f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/17 05:04 upstream f44d154d6e3d f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/17 03:08 upstream 78d4f34e2115 f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/17 00:57 upstream 78d4f34e2115 f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/16 23:52 upstream 78d4f34e2115 f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/16 22:51 upstream 78d4f34e2115 f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/16 21:40 upstream 78d4f34e2115 f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/16 21:40 upstream 78d4f34e2115 f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/16 19:37 upstream 78d4f34e2115 f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_rmdir
2024/12/16 18:08 upstream 78d4f34e2115 eec85da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_rmdir
2024/12/16 14:28 upstream 78d4f34e2115 eec85da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_rmdir
2024/12/16 13:09 upstream 78d4f34e2115 eec85da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_rmdir
2024/12/16 04:01 upstream 78d4f34e2115 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_rmdir
2024/12/15 08:41 upstream a0e3919a2df2 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_rmdir
2024/12/14 20:28 upstream a446e965a188 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_rmdir
2024/12/14 11:37 upstream a446e965a188 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_rmdir
2024/12/05 22:05 linux-next af2ea8ab7a54 6e50d07b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in nilfs_rmdir
2025/01/06 20:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 573067a5a685 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in nilfs_rmdir
2025/01/04 17:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 573067a5a685 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in nilfs_rmdir
2024/12/14 23:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e7aff49b5da 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in nilfs_rmdir
* Struck through repros no longer work on HEAD.