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WARNING in nilfs_sufile_set_segment_usage

Status: upstream: reported C repro on 2022/09/30 22:26
Subsystems: nilfs (incorrect?)
Reported-by: syzbot+14e9f834f6ddecece094@syzkaller.appspotmail.com
First crash: 177d, last: 7d07h

Cause bisection: failed (error log, bisect log)
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING in nilfs_sufile_set_segment_usage C 1 23d 23d 0/1 upstream: reported C repro on 2023/03/02 13:59
linux-5.15 WARNING in nilfs_sufile_set_segment_usage C 1 13d 13d 0/3 upstream: reported C repro on 2023/03/13 03:07
linux-6.1 WARNING in nilfs_sufile_set_segment_usage C 2 13d 13d 0/3 upstream: reported C repro on 2023/03/12 23:55

Sample crash report:
NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5069 at fs/nilfs2/sufile.c:539 nilfs_sufile_set_segment_usage+0x501/0x5f0
Modules linked in:
CPU: 0 PID: 5069 Comm: segctord Not tainted 6.3.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:nilfs_sufile_set_segment_usage+0x501/0x5f0 fs/nilfs2/sufile.c:539
Code: 04 25 28 00 00 00 48 3b 84 24 a0 00 00 00 0f 85 f3 00 00 00 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 8f b6 38 fe <0f> 0b e9 0f fe ff ff e8 83 b6 38 fe e8 9e 06 ae fd e9 be fe ff ff
RSP: 0000:ffffc90003d5f600 EFLAGS: 00010293
RAX: ffffffff835290f1 RBX: 0000000000000004 RCX: ffff88801efd3a80
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc90003d5f6f0 R08: ffffffff83528ef4 R09: ffffffff834dbe1b
R10: 0000000000000002 R11: ffff88801efd3a80 R12: dffffc0000000000
R13: ffff8880767c2000 R14: ffff8880749025e8 R15: 0000000000000060
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fed07ae0880 CR3: 000000007cf31000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_segctor_update_segusage fs/nilfs2/segment.c:1449 [inline]
 nilfs_segctor_do_construct+0x4b09/0x6f70 fs/nilfs2/segment.c:2073
 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>

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci2-upstream-fs 2023/01/28 15:05 upstream 5af6ce704936 feb56351 .config console log report syz C
* Struck through repros no longer work on HEAD.
Crashes (316):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci2-upstream-fs 2023/03/13 15:14 upstream eeac8ede1755 026e2200 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2023/03/01 14:11 upstream c0927a7a5391 ef65e6cb .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-kasan-gce-root 2022/10/09 16:20 upstream a6afa4199d3d aea5da89 .config strace log report syz C [disk image] [vmlinux] [mounted in repro] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-kasan-gce-root 2022/10/07 07:37 upstream ffb39098bf87 8a212197 .config strace log report syz C [disk image] [vmlinux] [mounted in repro] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-kasan-gce-root 2022/10/05 19:22 upstream 2bca25eaeba6 267e3bb1 .config strace log report syz C [disk image] [vmlinux] [mounted in repro] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/10/03 23:30 upstream 4fe89d07dcc2 feb56351 .config strace log report syz C [disk image] [vmlinux] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/10/01 21:38 upstream ffb4d94b4314 feb56351 .config strace log report syz C [disk image] [vmlinux] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/09/30 11:16 upstream 987a926c1d8a 45fd7169 .config strace log report syz C [disk image] [vmlinux] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-linux-next-kasan-gce-root 2022/11/05 07:00 linux-next 0cdb3579f1ee 6d752409 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-linux-next-kasan-gce-root 2022/10/31 23:11 linux-next 4d48f589d294 2a71366b .config strace log report syz C [disk image] [vmlinux] [mounted in repro] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-linux-next-kasan-gce-root 2022/10/31 09:58 linux-next 4d48f589d294 2a71366b .config strace log report syz C [disk image] [vmlinux] [mounted in repro] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-gce-arm64 2023/03/13 00:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 5205ef30 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-gce-arm64 2022/10/01 14:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 feb56351 .config console log report syz C [disk image] [vmlinux] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-gce-arm64 2022/09/30 20:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 feb56351 .config console log report syz C [disk image] [vmlinux] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2023/03/19 05:47 upstream 534293368afa 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2023/03/14 15:59 upstream fc89d7fb499b 0d5c4377 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2023/03/14 08:20 upstream fc89d7fb499b 026e2200 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2023/03/06 04:31 upstream f915322fe014 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2023/03/05 13:19 upstream b01fe98d34f3 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2023/03/01 13:50 upstream c0927a7a5391 ef65e6cb .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci-qemu-upstream 2023/02/27 15:39 upstream f3a2439f20d9 95aee97a .config console log report info WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/21 17:24 upstream eb7081409f94 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/20 20:29 upstream 77c51ba552a1 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/20 12:43 upstream fe24a97cf254 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/20 06:45 upstream fe24a97cf254 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/20 04:03 upstream fe24a97cf254 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/20 02:14 upstream fe24a97cf254 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/19 20:00 upstream fe24a97cf254 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/19 17:00 upstream ab290eaddc4c 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/19 13:48 upstream ab290eaddc4c 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/19 11:16 upstream ab290eaddc4c 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/19 01:49 upstream ab290eaddc4c 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/18 21:57 upstream ab290eaddc4c 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/18 11:19 upstream 84368d882b96 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/17 14:46 upstream cc675d22e422 3a127a31 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/17 02:36 upstream 59d0d52c30d4 3a127a31 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/16 13:40 upstream 81e7cfa3a9eb 3a127a31 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/16 03:19 upstream 81e7cfa3a9eb 3a127a31 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/15 11:07 upstream e01d50cbd6ee 97de9cfc .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/15 08:18 upstream e01d50cbd6ee 97de9cfc .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/15 01:40 upstream e01d50cbd6ee 97de9cfc .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/14 20:57 upstream 094226ad94f4 943f4cb8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/14 15:40 upstream 094226ad94f4 943f4cb8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/14 00:02 upstream af7a05689189 7ba4d859 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/13 13:50 upstream fef7fd48922d f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/13 08:33 upstream fef7fd48922d f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/13 06:25 upstream fef7fd48922d f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-kasan-gce-root 2022/11/12 20:40 upstream 8f2975c2bb4c 3ead01ad .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/12 14:21 upstream 8f2975c2bb4c f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/12 12:29 upstream 8f2975c2bb4c f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/12 11:09 upstream 8f2975c2bb4c f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/11 23:50 upstream eb037f16f7e8 f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/11 21:58 upstream eb037f16f7e8 f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/11/11 07:21 upstream 4bbf3422df78 f42ee5d8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-kasan-gce-smack-root 2022/11/06 17:33 upstream 2f5065a0bc9d 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-kasan-gce-selinux-root 2022/11/01 11:31 upstream b229b6ca5abb a1d8560a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci2-upstream-fs 2022/09/30 10:57 upstream 987a926c1d8a 45fd7169 .config console log report info [disk image] [vmlinux] WARNING in nilfs_sufile_set_segment_usage
ci-qemu-upstream-386 2023/03/18 15:35 upstream 478a351ce0d6 7939252e .config console log report info WARNING in nilfs_sufile_set_segment_usage
ci-upstream-linux-next-kasan-gce-root 2022/11/17 11:07 linux-next 15f3bff12cf6 3a127a31 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-gce-arm64 2022/11/20 13:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-gce-arm64 2022/11/19 04:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-gce-arm64 2022/11/18 17:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-gce-arm64 2022/11/16 20:44 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 3a127a31 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-gce-arm64 2022/11/14 18:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1621b6eaebf7 943f4cb8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
ci-upstream-gce-arm64 2022/11/11 05:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1621b6eaebf7 3ead01ad .config console log report info [disk image] [vmlinux] [kernel image] WARNING in nilfs_sufile_set_segment_usage
* Struck through repros no longer work on HEAD.