syzbot


WARNING in invalidate_bh_lru

Status: upstream: reported C repro on 2022/12/22 02:57
Subsystems: udf
[Documentation on labels]
Reported-by: syzbot+9743a41f74f00e50fc77@syzkaller.appspotmail.com
First crash: 351d, last: 22d
Cause bisection: introduced by (bisect log) :
commit f6e2c20ca7604e6a267c93a511d19dda72573be1
Author: Liu Shixin <liushixin2@huawei.com>
Date: Fri Apr 29 21:38:04 2022 +0000

  fs: sysv: check sbi->s_firstdatazone in complete_read_super

Crash: WARNING in invalidate_bh_lru (log)
Repro: C syz .config
  
Discussions (3)
Title Replies (including bot) Last reply
[syzbot] Monthly udf report (Nov 2023) 0 (1) 2023/11/09 18:23
[syzbot] Monthly udf report (Oct 2023) 0 (1) 2023/10/09 09:23
[syzbot] [sysv?] [vfs?] WARNING in invalidate_bh_lru 4 (7) 2023/06/03 17:35
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in invalidate_bh_lru (2) origin:lts-only C 3 11d 51d 0/3 upstream: reported C repro on 2023/10/14 00:04
linux-5.15 WARNING in invalidate_bh_lru 2 235d 238d 0/3 auto-obsoleted due to no activity on 2023/08/11 11:15
linux-5.15 WARNING in invalidate_bh_lru (2) origin:lts-only C done 4 14d 106d 0/3 upstream: reported C repro on 2023/08/19 22:31
linux-6.1 WARNING in invalidate_bh_lru 1 226d 226d 0/3 auto-obsoleted due to no activity on 2023/08/20 02:46
Last patch testing requests (7)
Created Duration User Patch Repo Result
2023/11/12 18:09 19m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2023/11/12 18:09 18m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2023/10/29 14:19 13m retest repro upstream report log
2023/10/07 09:33 14m retest repro upstream report log
2023/08/24 03:53 18m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2023/05/15 21:48 23m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci OK log
2023/05/15 21:48 24m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/07/17 06:07 1h39m bisect fix upstream job log (0) log

Sample crash report:
syz-executor106[5027]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
loop0: detected capacity change from 0 to 128
oldfs: cannot read superblock
------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 1 PID: 5027 at fs/buffer.c:1247 __brelse fs/buffer.c:1247 [inline]
WARNING: CPU: 1 PID: 5027 at fs/buffer.c:1247 brelse include/linux/buffer_head.h:314 [inline]
WARNING: CPU: 1 PID: 5027 at fs/buffer.c:1247 __invalidate_bh_lrus fs/buffer.c:1486 [inline]
WARNING: CPU: 1 PID: 5027 at fs/buffer.c:1247 invalidate_bh_lru+0xfc/0x1b0 fs/buffer.c:1499
Modules linked in:
CPU: 1 PID: 5027 Comm: syz-executor106 Not tainted 6.6.0-rc5-syzkaller-00267-g9a3dad63edbe #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:__brelse fs/buffer.c:1247 [inline]
RIP: 0010:brelse include/linux/buffer_head.h:314 [inline]
RIP: 0010:__invalidate_bh_lrus fs/buffer.c:1486 [inline]
RIP: 0010:invalidate_bh_lru+0xfc/0x1b0 fs/buffer.c:1499
Code: 00 e8 d8 3e df ff f0 ff 0b eb 21 e8 ae bd 84 ff 41 80 3c 2e 00 75 26 eb 2c e8 a0 bd 84 ff 48 c7 c7 c0 20 18 8b e8 54 e0 4a ff <0f> 0b 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c 89 ff
RSP: 0018:ffffc90003d0f0a8 EFLAGS: 00010046
RAX: dc65b73cccd3ad00 RBX: ffff8880759b87a0 RCX: ffff8880208a0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81543302 R09: 1ffff1101732516a
R10: dffffc0000000000 R11: ffffed101732516b R12: ffff8880b9937f38
R13: 0000000000000000 R14: 1ffff11017326fe7 R15: ffff8880b9937f38
FS:  000055555718f380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000066c7e0 CR3: 000000002741c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 csd_do_func kernel/smp.c:133 [inline]
 smp_call_function_many_cond+0x1581/0x2890 kernel/smp.c:835
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1012
 invalidate_bdev+0x8e/0xc0 block/bdev.c:85
 invalidate_disk+0x45/0xe0 block/genhd.c:737
 __loop_clr_fd+0x251/0x690 drivers/block/loop.c:1164
 loop_clr_fd drivers/block/loop.c:1257 [inline]
 lo_ioctl+0x16d3/0x2080 drivers/block/loop.c:1563
 blkdev_ioctl+0x5cf/0x730 block/ioctl.c:630
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857
 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: 0033:0x7f5ff24474bb
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007ffd1882b0a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5ff24474bb
RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000004
RBP: 0000000000000004 R08: 00007ffd1882b150 R09: 0000000000009e47
R10: 0000000000000404 R11: 0000000000000246 R12: 0000000000000404
R13: 00007ffd1882b150 R14: 0000000000000003 R15: 0000000000010000
 </TASK>

Crashes (15):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/10/15 14:04 upstream 9a3dad63edbe f757a323 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in invalidate_bh_lru
2023/06/03 11:07 upstream 4ecd704a4c51 a4ae4f42 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in invalidate_bh_lru
2023/09/23 08:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe4469582053 0b6a67ac .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in invalidate_bh_lru
2022/12/18 02:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 05494336 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in invalidate_bh_lru
2023/02/25 17:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2ebd1fbb946d ee50e71c .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in invalidate_bh_lru
2023/02/08 16:05 upstream 0983f6bf2bfc fc9c934e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in invalidate_bh_lru
2023/09/23 08:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe4469582053 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in invalidate_bh_lru
2023/03/01 04:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2ebd1fbb946d 95aee97a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in invalidate_bh_lru
2023/02/28 01:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2ebd1fbb946d e792ae78 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in invalidate_bh_lru
2023/02/26 12:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2ebd1fbb946d ee50e71c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in invalidate_bh_lru
2023/02/24 11:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a9b06ec42c0f 9e2ebb3c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in invalidate_bh_lru
2023/02/18 13:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2d3827b3f393 d02e9a70 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in invalidate_bh_lru
2023/02/13 17:44 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2d3827b3f393 4d66ad72 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in invalidate_bh_lru
2022/12/24 10:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in invalidate_bh_lru
2022/12/18 18:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 05494336 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in invalidate_bh_lru
* Struck through repros no longer work on HEAD.