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WARNING in nilfs_btree_assign

Status: upstream: reported C repro on 2022/09/25 15:20
Subsystems: nilfs (incorrect?)
Reported-by: syzbot+31837fe952932efc8fb9@syzkaller.appspotmail.com
First crash: 188d, last: 8h26m

Cause bisection: failed (error log, bisect log)
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in nilfs_btree_assign syz 4 8d00h 8d21h 0/3 upstream: reported syz repro on 2023/03/22 07:45
linux-4.14 WARNING in nilfs_btree_assign nilfs2 C 7 41d 153d 0/1 upstream: reported C repro on 2022/10/28 16:42

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 10468 at fs/nilfs2/btree.c:2282 nilfs_btree_assign+0xa9f/0xd10
Modules linked in:
CPU: 0 PID: 10468 Comm: segctord Not tainted 6.3.0-rc3-syzkaller-00021-ga1effab7a3a3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:nilfs_btree_assign+0xa9f/0xd10 fs/nilfs2/btree.c:2282
Code: 00 0f 85 81 02 00 00 44 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 bd 55 41 fe 4c 8b 7c 24 38 eb a6 e8 b1 55 41 fe <0f> 0b 41 be fe ff ff ff eb 97 44 89 f1 80 e1 07 80 c1 03 38 c1 0f
RSP: 0018:ffffc900066a7580 EFLAGS: 00010293
RAX: ffffffff8349176f RBX: ffff88806fb3d360 RCX: ffff88801f769d40
RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 00000000fffffffe
RBP: ffffc900066a76b0 R08: ffffffff834910cb R09: ffffed100dda3aaf
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888070d22d00 R14: 00000000fffffffe R15: 1ffff92000cd4ec0
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556a1e668 CR3: 000000007f410000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_bmap_assign+0x8b/0x160 fs/nilfs2/bmap.c:382
 nilfs_segctor_update_payload_blocknr fs/nilfs2/segment.c:1597 [inline]
 nilfs_segctor_assign fs/nilfs2/segment.c:1631 [inline]
 nilfs_segctor_do_construct+0x3a11/0x6f70 fs/nilfs2/segment.c:2058
 nilfs_segctor_construct+0x145/0x8c0 fs/nilfs2/segment.c:2381
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2489 [inline]
 nilfs_segctor_thread+0x53a/0x1140 fs/nilfs2/segment.c:2572
 kthread+0x270/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Crashes (415):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci2-upstream-fs 2023/03/22 14:46 upstream a1effab7a3a3 8b4eb097 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-root 2023/03/17 06:44 upstream 0ddc84d2dd43 18b58603 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/02/15 05:13 upstream e1c04510f521 e62ba3c1 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-smack-root 2023/02/15 00:56 upstream f6feea56f66d 1d6b4af7 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/02/14 17:22 upstream f6feea56f66d 93ae7e0a .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/02/14 05:54 upstream f6feea56f66d 93ae7e0a .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/02/13 16:49 upstream ceaa837f96ad 957959cb .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/02/13 07:50 upstream 711e9a4d52bf 93e26d60 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/02/12 00:00 upstream d12aca5c0cee 93e26d60 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/02/08 20:23 upstream 0983f6bf2bfc fc9c934e .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/01/20 15:37 upstream d368967cb103 dd15ff29 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-root 2022/12/19 14:03 upstream f9ff5644bcc0 05494336 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/12/07 23:52 upstream 8ed710da2873 d88f3abb .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/12/04 08:14 upstream c2bf05db6c78 e080de16 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/09/24 06:09 upstream bf682942cd26 0042f2b4 .config console log report syz C [disk image] [vmlinux] WARNING in nilfs_btree_assign
ci-upstream-linux-next-kasan-gce-root 2023/01/24 10:11 linux-next 691781f561e9 9dfcf09c .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci-upstream-linux-next-kasan-gce-root 2023/01/16 00:46 linux-next 0a093b2893c7 a63719e7 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci-upstream-gce-arm64 2022/09/25 00:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config console log report syz C [disk image] [vmlinux] WARNING in nilfs_btree_assign
ci-upstream-gce-arm64 2022/09/24 04:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config console log report syz C [disk image] [vmlinux] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/02/21 14:23 upstream 89f5349e0673 f949448d .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/12/29 07:34 upstream 1b929c02afd3 44712fbc .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/09/25 04:33 upstream 3db61221f4e8 0042f2b4 .config console log report syz WARNING in nilfs_btree_assign
ci-upstream-linux-next-kasan-gce-root 2023/03/19 12:19 linux-next 6f08c1de13a9 7939252e .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci-upstream-linux-next-kasan-gce-root 2023/01/06 22:42 linux-next cc3c08b41a9c 1dac8c7a .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_btree_assign
ci-upstream-linux-next-kasan-gce-root 2022/09/24 02:18 linux-next aaa11ce2ffc8 0042f2b4 .config console log report syz WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/30 21:04 upstream 8bb95a1662f8 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2023/03/30 11:10 upstream ffe78bbd5121 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/30 01:52 upstream ffe78bbd5121 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2023/03/29 19:58 upstream ffe78bbd5121 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/29 11:39 upstream fcd476ea6a88 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2023/03/29 10:26 upstream fcd476ea6a88 fc067f05 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2023/03/29 07:41 upstream fcd476ea6a88 fc067f05 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-qemu-upstream 2023/03/29 06:24 upstream fcd476ea6a88 fc067f05 .config console log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/29 03:42 upstream fcd476ea6a88 fc067f05 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/28 03:22 upstream 3a93e40326c8 47f3aaf1 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/26 21:47 upstream 18940c888c85 fbf0499a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-smack-root 2023/03/26 11:57 upstream da8e7da11e4b fbf0499a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/25 22:32 upstream 65aca32efdcb fbf0499a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/25 08:39 upstream 65aca32efdcb 9700afae .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/25 07:11 upstream 65aca32efdcb 9700afae .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-smack-root 2023/03/24 13:26 upstream 1e760fa3596e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/23 22:11 upstream 9fd6ba5420ba f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2023/03/23 20:18 upstream 9fd6ba5420ba f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-smack-root 2023/03/23 17:40 upstream fff5a5e7f528 f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2023/03/23 12:14 upstream fff5a5e7f528 f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/23 04:07 upstream fff5a5e7f528 f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-root 2023/03/21 15:35 upstream 17214b70a159 03fb9538 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-root 2023/03/21 03:14 upstream 7d31677bb7b1 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2023/03/20 18:51 upstream e8d018dd0257 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2023/03/19 21:48 upstream 5cdfdd6da323 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-root 2023/03/19 14:23 upstream a3671bd86a97 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-qemu-upstream 2023/03/19 08:21 upstream 534293368afa 7939252e .config console log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/19 06:04 upstream 534293368afa 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-root 2023/03/18 21:59 upstream 478a351ce0d6 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-smack-root 2023/03/18 17:59 upstream 478a351ce0d6 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/18 06:50 upstream 38e04b3e4240 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/18 03:44 upstream 38e04b3e4240 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/17 21:25 upstream 38e04b3e4240 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-root 2023/03/17 11:03 upstream 38e04b3e4240 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2023/03/17 03:19 upstream 0ddc84d2dd43 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-root 2023/03/16 17:33 upstream 9c1bec9c0b08 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-smack-root 2023/03/15 22:12 upstream 6015b1aca1a2 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2023/03/15 15:54 upstream 6015b1aca1a2 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-qemu-upstream 2023/03/14 18:33 upstream fc89d7fb499b 0d5c4377 .config console log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/14 13:40 upstream fc89d7fb499b 0d5c4377 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/14 09:10 upstream fc89d7fb499b 0d5c4377 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2023/03/14 04:21 upstream fc89d7fb499b 026e2200 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/13 18:00 upstream eeac8ede1755 026e2200 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci2-upstream-fs 2023/03/13 12:19 upstream eeac8ede1755 026e2200 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-qemu-upstream-386 2023/03/26 23:31 upstream 18940c888c85 fbf0499a .config console log report info WARNING in nilfs_btree_assign
ci-qemu-upstream-386 2023/03/22 03:46 upstream 2faac9a98f01 8b4eb097 .config console log report info WARNING in nilfs_btree_assign
ci-qemu-upstream-386 2023/03/19 20:21 upstream a3671bd86a97 7939252e .config console log report info WARNING in nilfs_btree_assign
ci-qemu-upstream-386 2023/03/14 23:50 upstream 4979bf866825 0d5c4377 .config console log report info WARNING in nilfs_btree_assign
ci-upstream-linux-next-kasan-gce-root 2023/03/25 00:45 linux-next e5dbf24e8b9e 9700afae .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-linux-next-kasan-gce-root 2023/03/21 19:54 linux-next f3594f0204b7 03fb9538 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-linux-next-kasan-gce-root 2023/03/20 20:39 linux-next 73f2c2a7e1d2 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-gce-arm64 2023/03/24 10:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
ci-upstream-gce-arm64 2023/03/23 18:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_btree_assign
* Struck through repros no longer work on HEAD.