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WARNING in nilfs_btree_assign

Status: upstream: reported C repro on 2022/09/25 15:20
Labels: nilfs (incorrect?)
Reported-by: syzbot+31837fe952932efc8fb9@syzkaller.appspotmail.com
First crash: 248d, last: 3h45m

Cause bisection: failed (error log, bisect log)
▶ ▼ Discussions (4)
Title Replies (including bot) Last reply
[syzbot] Monthly nilfs report (May 2023) 0 (1) 2023/05/29 08:50
[syzbot] Monthly nilfs report (Apr 2023) 0 (1) 2023/04/27 10:39
[syzbot] Monthly nilfs report 0 (1) 2023/03/27 11:03
[syzbot] WARNING in nilfs_btree_assign 0 (1) 2022/09/25 15:20
▶ ▼ Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in nilfs_btree_assign origin:upstream C 12 11d 69d 0/3 upstream: reported C repro on 2023/03/22 07:45
linux-4.14 WARNING in nilfs_btree_assign nilfs2 C 7 101d 213d 0/1 upstream: reported C repro on 2022/10/28 16:42
linux-5.15 WARNING in nilfs_btree_assign origin:upstream C 21 1d06h 54d 0/3 upstream: reported C repro on 2023/04/05 21:10

Sample crash report:
NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5295 at fs/nilfs2/btree.c:2283 nilfs_btree_assign+0xab6/0xd20
Modules linked in:
CPU: 0 PID: 5295 Comm: segctord Not tainted 6.4.0-rc2-syzkaller-00163-g2d1bcbc6cd70 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
RIP: 0010:nilfs_btree_assign+0xab6/0xd20 fs/nilfs2/btree.c:2283
Code: 00 0f 85 7e 02 00 00 44 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 f6 4f 3e fe 4c 8b 7c 24 38 eb a6 e8 ea 4f 3e 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:ffffc9000486f580 EFLAGS: 00010293
RAX: ffffffff834d2cb6 RBX: ffff888071b0acf0 RCX: ffff88801ee59dc0
RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 00000000fffffffe
RBP: ffffc9000486f6b0 R08: ffffffff834d25fb R09: ffffed100e7dcf23
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8880704f0780 R14: 00000000fffffffe R15: 1ffff9200090dec0
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020056000 CR3: 0000000077d0d000 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:390
 nilfs_segctor_update_payload_blocknr fs/nilfs2/segment.c:1617 [inline]
 nilfs_segctor_assign fs/nilfs2/segment.c:1651 [inline]
 nilfs_segctor_do_construct+0x37aa/0x6d30 fs/nilfs2/segment.c:2081
 nilfs_segctor_construct+0x145/0x8c0 fs/nilfs2/segment.c:2404
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2512 [inline]
 nilfs_segctor_thread+0x53a/0x1140 fs/nilfs2/segment.c:2595
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Crashes (723):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2023/05/19 19:13 upstream 2d1bcbc6cd70 96689200 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/16 10:58 upstream f1fcbaa18b28 71b00cfb .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in nilfs_btree_assign
2023/05/14 04:45 upstream d4d58949a6ea 2b9ba477 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in nilfs_btree_assign
2023/05/09 11:27 upstream ba0ad6ed89fd f4168103 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in nilfs_btree_assign
2023/05/08 12:56 upstream ac9a78681b92 90c93c40 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/04/01 19:14 upstream 7b50567bdcad f325deb0 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in nilfs_btree_assign
2023/03/22 14:46 upstream a1effab7a3a3 8b4eb097 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/03/17 06:44 upstream 0ddc84d2dd43 18b58603 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in nilfs_btree_assign
2023/02/15 05:13 upstream e1c04510f521 e62ba3c1 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/02/15 00:56 upstream f6feea56f66d 1d6b4af7 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in nilfs_btree_assign
2023/02/14 17:22 upstream f6feea56f66d 93ae7e0a .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/02/14 05:54 upstream f6feea56f66d 93ae7e0a .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/02/13 16:49 upstream ceaa837f96ad 957959cb .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/02/13 07:50 upstream 711e9a4d52bf 93e26d60 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/02/12 00:00 upstream d12aca5c0cee 93e26d60 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/02/08 20:23 upstream 0983f6bf2bfc fc9c934e .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/01/20 15:37 upstream d368967cb103 dd15ff29 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2022/12/19 14:03 upstream f9ff5644bcc0 05494336 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in nilfs_btree_assign
2022/12/07 23:52 upstream 8ed710da2873 d88f3abb .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2022/12/04 08:14 upstream c2bf05db6c78 e080de16 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2022/09/24 06:09 upstream bf682942cd26 0042f2b4 .config console log report syz C [disk image] [vmlinux] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/30 05:13 linux-next 715abedee4cd cf184559 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in nilfs_btree_assign
2023/01/24 10:11 linux-next 691781f561e9 9dfcf09c .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in nilfs_btree_assign
2023/01/16 00:46 linux-next 0a093b2893c7 a63719e7 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in nilfs_btree_assign
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] ci-upstream-gce-arm64 WARNING in nilfs_btree_assign
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] ci-upstream-gce-arm64 WARNING in nilfs_btree_assign
2023/05/08 09:38 upstream ac9a78681b92 90c93c40 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in nilfs_btree_assign
2023/05/04 21:28 upstream 1a5304fecee5 3a560463 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root WARNING in nilfs_btree_assign
2023/02/21 14:23 upstream 89f5349e0673 f949448d .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2022/12/29 07:34 upstream 1b929c02afd3 44712fbc .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in nilfs_btree_assign
2022/09/25 04:33 upstream 3db61221f4e8 0042f2b4 .config console log report syz ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/21 23:21 linux-next 715abedee4cd 4bce1a3e .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in nilfs_btree_assign
2023/03/19 12:19 linux-next 6f08c1de13a9 7939252e .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in nilfs_btree_assign
2023/01/06 22:42 linux-next cc3c08b41a9c 1dac8c7a .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in nilfs_btree_assign
2022/09/24 02:18 linux-next aaa11ce2ffc8 0042f2b4 .config console log report syz ci-upstream-linux-next-kasan-gce-root WARNING in nilfs_btree_assign
2023/05/06 09:45 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 90c93c40 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in nilfs_btree_assign
2023/05/05 09:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 518a39a6 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in nilfs_btree_assign
2023/05/30 01:19 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/29 22:32 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/29 18:56 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/29 13:22 upstream e338142b39cf cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in nilfs_btree_assign
2023/05/29 04:04 upstream e338142b39cf cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in nilfs_btree_assign
2023/05/28 23:05 upstream 416839029e38 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/28 00:14 upstream 4e893b5aa4ac cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/27 04:39 upstream 91a304340a22 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_btree_assign
2023/05/26 21:25 upstream 0d85b27b0cc6 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/26 13:23 upstream 9db898594c54 b40ef614 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in nilfs_btree_assign
2023/05/25 15:31 upstream 933174ae28ba 0513b3e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/25 11:17 upstream 933174ae28ba 0513b3e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/24 10:59 upstream 27e462c8fad4 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/23 11:45 upstream 421ca22e3138 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/23 05:48 upstream 421ca22e3138 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/22 15:05 upstream 44c026a73be8 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/22 09:53 upstream 44c026a73be8 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/21 07:42 upstream 0dd2a6fb1e34 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in nilfs_btree_assign
2023/05/20 13:21 upstream d635f6cc934b 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/19 13:38 upstream 2d1bcbc6cd70 3bb7af1d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in nilfs_btree_assign
2023/05/19 12:11 upstream 2d1bcbc6cd70 3bb7af1d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/18 01:34 upstream 1b66c114d161 3bb7af1d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in nilfs_btree_assign
2023/05/17 21:57 upstream 1b66c114d161 3bb7af1d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/17 20:56 upstream 1b66c114d161 3bb7af1d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/17 14:31 upstream f1fcbaa18b28 eaac4681 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/17 13:25 upstream f1fcbaa18b28 eaac4681 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/17 02:50 upstream f1fcbaa18b28 11c89444 .config console log report info ci-qemu-upstream WARNING in nilfs_btree_assign
2023/05/16 22:31 upstream f1fcbaa18b28 11c89444 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in nilfs_btree_assign
2023/05/16 20:50 upstream f1fcbaa18b28 11c89444 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/16 18:01 upstream f1fcbaa18b28 11c89444 .config console log report info ci-qemu-upstream WARNING in nilfs_btree_assign
2023/05/16 14:19 upstream f1fcbaa18b28 71b00cfb .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/16 10:44 upstream f1fcbaa18b28 71b00cfb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_btree_assign
2023/05/15 18:55 upstream f1fcbaa18b28 c4d362e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/15 05:15 upstream f1fcbaa18b28 2b9ba477 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/15 03:26 upstream f1fcbaa18b28 2b9ba477 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/14 02:56 upstream d4d58949a6ea 2b9ba477 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in nilfs_btree_assign
2023/05/12 15:20 upstream cc3c44c9fda2 ecca8a24 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/12 13:51 upstream cc3c44c9fda2 ecca8a24 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in nilfs_btree_assign
2023/05/12 06:03 upstream 105131df9c3b adb9a3cd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in nilfs_btree_assign
2023/05/11 15:35 upstream 80e62bc8487b 0fbd49f4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in nilfs_btree_assign
2023/05/28 08:55 upstream 416839029e38 cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in nilfs_btree_assign
2023/05/27 07:20 upstream a92c9ab69f66 cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in nilfs_btree_assign
2023/05/24 21:10 upstream 9d646009f65d 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in nilfs_btree_assign
2023/05/27 00:47 linux-next 715abedee4cd cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in nilfs_btree_assign
2023/05/26 01:57 linux-next 715abedee4cd 0513b3e6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in nilfs_btree_assign
2023/05/23 19:14 linux-next 715abedee4cd 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in nilfs_btree_assign
2023/05/19 21:38 linux-next 715abedee4cd 96689200 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in nilfs_btree_assign
2023/05/19 03:29 linux-next 715abedee4cd 3bb7af1d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in nilfs_btree_assign
2023/05/14 18:38 linux-next e922ba281a8d 2b9ba477 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in nilfs_btree_assign
* Struck through repros no longer work on HEAD.