syzbot


WARNING in gfs2_check_blk_type

Status: upstream: reported C repro on 2022/12/12 07:03
Labels: gfs2 (incorrect?)
Reported-by: syzbot+092b28923eb79e0f3c41@syzkaller.appspotmail.com
First crash: 172d, last: 9d05h

Cause bisection: failed (error log, bisect log)
Discussions (4)
Title Replies (including bot) Last reply
[syzbot] Monthly gfs2 report (May 2023) 0 (1) 2023/05/31 08:44
[syzbot] Monthly gfs2 report (Apr 2023) 0 (1) 2023/04/30 08:01
[syzbot] Monthly cluster report 1 (2) 2023/03/30 10:09
[syzbot] WARNING in gfs2_check_blk_type 0 (1) 2022/12/12 07:03

Sample crash report:
gfs2: fsid=syz:syz.0: first mount done, others may mount
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4991 at fs/gfs2/rgrp.c:2628 gfs2_rbm_from_block fs/gfs2/rgrp.c:279 [inline]
WARNING: CPU: 1 PID: 4991 at fs/gfs2/rgrp.c:2628 gfs2_check_blk_type+0x449/0x670 fs/gfs2/rgrp.c:2627
Modules linked in:
CPU: 1 PID: 4991 Comm: syz-executor421 Not tainted 6.4.0-rc3-syzkaller-00008-gae8373a5add4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
RIP: 0010:gfs2_check_blk_type+0x449/0x670 fs/gfs2/rgrp.c:2628
Code: 85 d2 01 00 00 8b 1b 89 df 44 89 f6 e8 70 7b cf fd 4c 89 74 24 10 44 39 f3 76 21 e8 e1 79 cf fd 45 31 ed eb 6e e8 d7 79 cf fd <0f> 0b 41 bf f9 ff ff ff 48 8b 5c 24 18 e9 46 01 00 00 e8 c0 79 cf
RSP: 0018:ffffc9000398f8c0 EFLAGS: 00010293
RAX: ffffffff83bc0218 RBX: ffff88807cbec028 RCX: ffff888021570000
RDX: 0000000000000000 RSI: 0000000000000012 RDI: 0000000000000013
RBP: ffffc9000398f9d0 R08: ffffffff83bc020e R09: ffffed100ec36579
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100f97d806
R13: ffff88807cbec000 R14: 0000000000000012 R15: 0000000000000013
FS:  000055555717d300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005593d4247008 CR3: 0000000073740000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_inode_lookup+0xb01/0xc50 fs/gfs2/inode.c:178
 gfs2_lookup_by_inum+0x51/0xf0 fs/gfs2/inode.c:250
 gfs2_get_dentry fs/gfs2/export.c:139 [inline]
 gfs2_fh_to_dentry+0x135/0x200 fs/gfs2/export.c:162
 exportfs_decode_fh_raw+0x144/0x590 fs/exportfs/expfs.c:435
 exportfs_decode_fh+0x3c/0x70 fs/exportfs/expfs.c:575
 do_handle_to_path fs/fhandle.c:152 [inline]
 handle_to_path fs/fhandle.c:207 [inline]
 do_handle_open+0x450/0x960 fs/fhandle.c:223
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f80733eb7b9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd20a75c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f80733eb7b9
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007f80733ab050 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000124d6 R11: 0000000000000246 R12: 00007f80733ab0e0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>

Crashes (34):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2023/05/23 22:33 upstream ae8373a5add4 4bce1a3e .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in gfs2_check_blk_type
2022/12/12 00:22 upstream 4cee37b3a4e6 67be1ae7 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/05/24 09:07 upstream 27e462c8fad4 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/05/23 16:58 upstream ae8373a5add4 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/05/20 00:54 upstream cbd6ac3837cd 96689200 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/05/12 10:49 upstream 105131df9c3b adb9a3cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/04/24 10:38 upstream 457391b03803 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/04/19 04:50 upstream af67688dca57 d931e9f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/04/11 14:51 upstream 0d3eb744aed4 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/04/05 06:17 upstream 76f598ba7d8e 831373d3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/04/03 04:49 upstream 6ab608fe852b f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/03/31 20:06 upstream 62bad54b26db f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/03/14 21:41 upstream 4979bf866825 0d5c4377 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/03/06 04:44 upstream f915322fe014 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/02/28 03:30 upstream 982818426a0f 95aee97a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/02/20 16:03 upstream c9c3395d5e3d bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/02/09 08:06 upstream 0983f6bf2bfc 14a312c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/01/30 12:18 upstream 6d796c50f84c b68fb8d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/01/28 05:25 upstream 83abd4d4c4be 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/01/24 11:57 upstream 7bf70dbb1882 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/01/23 15:15 upstream 2475bf0250de 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/01/22 16:26 upstream 2241ab53cbb5 cc0f9968 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/01/16 07:45 upstream 5dc4c995db9e a63719e7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in gfs2_check_blk_type
2023/01/15 13:17 upstream 7c6984405241 a63719e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/01/10 04:05 upstream 1fe4fd6f5cad 48bc529a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/01/02 03:04 upstream e4cf7c25bae5 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2022/12/26 18:44 upstream 1b929c02afd3 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2022/12/22 11:12 upstream b6bb9676f216 4067838e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2022/12/12 00:06 upstream 4cee37b3a4e6 67be1ae7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in gfs2_check_blk_type
2023/05/06 10:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in gfs2_check_blk_type
2023/03/31 20:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 59caa87f9dfb f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in gfs2_check_blk_type
2023/03/28 06:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e8d018dd0257 47f3aaf1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in gfs2_check_blk_type
2023/03/14 21:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 0d5c4377 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in gfs2_check_blk_type
2023/02/20 18:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2d3827b3f393 4f5f5209 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in gfs2_check_blk_type
* Struck through repros no longer work on HEAD.