syzbot


WARNING in nilfs_btree_assign

Status: upstream: reported C repro on 2022/09/25 15:20
Reported-by: syzbot+31837fe952932efc8fb9@syzkaller.appspotmail.com
First crash: 75d, last: 5h19m

Cause bisection: failed (bisect log)
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING in nilfs_btree_assign C 2 40d 40d 0/1 upstream: reported C repro on 2022/10/28 16:42

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3980 at fs/nilfs2/btree.c:2273 nilfs_btree_assign+0xa75/0xd00
Modules linked in:
CPU: 0 PID: 3980 Comm: segctord Not tainted 6.1.0-rc8-syzkaller-00014-g8ed710da2873 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:nilfs_btree_assign+0xa75/0xd00 fs/nilfs2/btree.c:2273
Code: 00 0f 85 a4 02 00 00 44 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 07 ee 3e fe 4c 8b 74 24 38 eb a5 e8 fb ed 3e fe <0f> 0b 41 bf fe ff ff ff 4c 8b 74 24 38 eb 91 44 89 f9 80 e1 07 80
RSP: 0018:ffffc90004507540 EFLAGS: 00010293
RAX: ffffffff834bb2a5 RBX: ffff8880715ed360 RCX: ffff888028523a80
RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 00000000fffffffe
RBP: ffffc90004507670 R08: ffffffff834bac0f R09: ffffed100e7add40
R10: ffffed100e7add40 R11: 1ffff1100e7add3f R12: ffff88806e4acb00
R13: dffffc0000000000 R14: 0000000000000001 R15: 00000000fffffffe
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000002884c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_bmap_assign+0x87/0x150 fs/nilfs2/bmap.c:382
 nilfs_segctor_update_payload_blocknr fs/nilfs2/segment.c:1595 [inline]
 nilfs_segctor_assign fs/nilfs2/segment.c:1629 [inline]
 nilfs_segctor_do_construct+0x38c2/0x6f80 fs/nilfs2/segment.c:2056
 nilfs_segctor_construct+0x143/0x8d0 fs/nilfs2/segment.c:2379
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2487 [inline]
 nilfs_segctor_thread+0x59e/0x11c0 fs/nilfs2/segment.c:2570
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Crashes (116):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-upstream-fs 2022/12/07 23:52 upstream 8ed710da2873 d88f3abb .config log report syz C WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/12/04 08:14 upstream c2bf05db6c78 e080de16 .config log report syz C WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/09/24 06:09 upstream bf682942cd26 0042f2b4 .config log report syz C 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 log report syz C 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 log report syz C WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/09/25 04:33 upstream 3db61221f4e8 0042f2b4 .config log report syz WARNING in nilfs_btree_assign
ci-upstream-linux-next-kasan-gce-root 2022/09/24 02:18 linux-next aaa11ce2ffc8 0042f2b4 .config log report syz WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-root 2022/12/07 21:43 upstream 8ed710da2873 d88f3abb .config log report info WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-root 2022/12/07 03:05 upstream bce9332220bd d88f3abb .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/12/07 01:52 upstream 8ed710da2873 d88f3abb .config log report info WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2022/12/06 05:33 upstream 76dcd734eca2 045cbb84 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/12/06 02:20 upstream 76dcd734eca2 045cbb84 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/12/05 17:01 upstream 76dcd734eca2 045cbb84 .config log report info WARNING in nilfs_btree_assign
ci-qemu-upstream 2022/12/05 13:12 upstream 76dcd734eca2 dff7de3a .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/12/05 05:51 upstream 0ba09b173387 e080de16 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/12/04 05:31 upstream c2bf05db6c78 e080de16 .config log report info WARNING in nilfs_btree_assign
ci-qemu-upstream 2022/12/04 01:45 upstream c2bf05db6c78 e080de16 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/12/03 07:22 upstream 97ee9d1c1696 e080de16 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/12/01 03:26 upstream 04aa64375f48 4c2a66e8 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/30 04:38 upstream 01f856ae6d0c 579a3740 .config log report info WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-root 2022/11/29 17:27 upstream ca57f02295f1 05dc7993 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/29 15:44 upstream ca57f02295f1 ca9683b8 .config log report info WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-smack-root 2022/11/29 10:40 upstream ca57f02295f1 ca9683b8 .config log report info WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-smack-root 2022/11/28 11:19 upstream bf82d38c91f8 74a66371 .config log report info WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2022/11/27 11:54 upstream faf68e3523c2 74a66371 .config log report info WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2022/11/26 20:57 upstream 644e9524388a 74a66371 .config log report info WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-smack-root 2022/11/26 19:23 upstream 644e9524388a 74a66371 .config log report info WARNING in nilfs_btree_assign
ci-qemu-upstream 2022/11/26 16:43 upstream 644e9524388a f4470a7b .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/26 12:19 upstream 08ad43d554ba f4470a7b .config log report info WARNING in nilfs_btree_assign
ci-qemu-upstream 2022/11/26 10:21 upstream 0b1dcc2cf55a f4470a7b .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/26 06:32 upstream 08ad43d554ba f4470a7b .config log report info WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-smack-root 2022/11/25 22:18 upstream 0b1dcc2cf55a 74a66371 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/25 05:37 upstream c3eb11fbb826 74a66371 .config log report info WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-smack-root 2022/11/25 02:50 upstream c3eb11fbb826 62e26685 .config log report info WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-root 2022/11/24 23:18 upstream c3eb11fbb826 62e26685 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/24 11:26 upstream 4312098baf37 ff68ff8f .config log report info WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-smack-root 2022/11/24 09:54 upstream 4312098baf37 12c66417 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/24 06:41 upstream 4312098baf37 ff68ff8f .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/23 21:17 upstream eb7081409f94 52fdf57a .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/23 11:57 upstream eb7081409f94 52fdf57a .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/18 19:38 upstream 84368d882b96 5bb70014 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/17 18:59 upstream 81ac25651a62 4ba8ab94 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/17 09:01 upstream cc675d22e422 3a127a31 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/14 20:00 upstream 094226ad94f4 943f4cb8 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/11 19:38 upstream eb037f16f7e8 f42ee5d8 .config log report info WARNING in nilfs_btree_assign
ci-upstream-kasan-gce-selinux-root 2022/11/07 04:06 upstream 089d1c31224e 6d752409 .config log report info WARNING in nilfs_btree_assign
ci2-upstream-fs 2022/11/04 13:03 upstream ee6050c8af96 6d752409 .config log report info WARNING in nilfs_btree_assign
ci-qemu-upstream-386 2022/12/01 05:11 upstream 04aa64375f48 4c2a66e8 .config log report info WARNING in nilfs_btree_assign
ci-qemu-upstream-386 2022/11/07 19:26 upstream f0c4d9fc9cc9 a779b11a .config log report info WARNING in nilfs_btree_assign
ci-upstream-linux-next-kasan-gce-root 2022/12/05 11:20 linux-next 9e46a7996732 e080de16 .config log report info WARNING in nilfs_btree_assign
ci-upstream-linux-next-kasan-gce-root 2022/12/02 16:54 linux-next 9e46a7996732 e080de16 .config log report info WARNING in nilfs_btree_assign
ci-upstream-linux-next-kasan-gce-root 2022/11/26 14:25 linux-next 9e46a7996732 74a66371 .config log report info WARNING in nilfs_btree_assign
ci-upstream-linux-next-kasan-gce-root 2022/11/13 05:16 linux-next f8f60f322f06 3ead01ad .config log report info WARNING in nilfs_btree_assign
ci-upstream-gce-arm64 2022/12/01 20:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci cdb931b58ff5 e080de16 .config log report info WARNING in nilfs_btree_assign
ci-upstream-gce-arm64 2022/11/30 12:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci cdb931b58ff5 4c2a66e8 .config log report info WARNING in nilfs_btree_assign
ci-upstream-gce-arm64 2022/11/19 07:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9500fc6e9e60 5bb70014 .config log report info WARNING in nilfs_btree_assign
ci-upstream-gce-arm64 2022/11/14 12:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1621b6eaebf7 943f4cb8 .config log report info WARNING in nilfs_btree_assign
ci-upstream-gce-arm64 2022/11/13 09:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1621b6eaebf7 3ead01ad .config log report info WARNING in nilfs_btree_assign
* Struck through repros no longer work on HEAD.