syzbot


possible deadlock in mi_read

Status: upstream: reported C repro on 2022/10/01 13:47
Subsystems: ntfs3
[Documentation on labels]
Reported-by: syzbot+bc7ca0ae4591cb2550f9@syzkaller.appspotmail.com
First crash: 535d, last: 10h43m
Cause bisection: failed (error log, bisect log)
  
Discussions (13)
Title Replies (including bot) Last reply
[syzbot] Monthly ntfs3 report (Mar 2024) 0 (1) 2024/03/05 11:09
[syzbot] Monthly ntfs3 report (Feb 2024) 0 (1) 2024/02/02 21:04
[syzbot] Monthly ntfs3 report (Jan 2024) 0 (1) 2024/01/02 13:36
[syzbot] Monthly ntfs3 report (Dec 2023) 0 (1) 2023/12/02 14:45
[syzbot] Monthly ntfs3 report (Oct 2023) 0 (1) 2023/11/01 10:13
[syzbot] Monthly ntfs3 report (Sep 2023) 0 (1) 2023/10/02 09:42
[syzbot] Monthly ntfs3 report (Aug 2023) 0 (1) 2023/08/30 12:45
[syzbot] Monthly ntfs3 report (Jul 2023) 0 (1) 2023/07/30 13:16
[syzbot] Monthly ntfs3 report (Jun 2023) 0 (1) 2023/06/29 09:21
[syzbot] Monthly ntfs3 report (May 2023) 0 (1) 2023/05/29 08:47
[syzbot] Monthly ntfs3 report (Apr 2023) 0 (1) 2023/04/28 08:47
[syzbot] Monthly ntfs3 report 0 (1) 2023/03/27 17:38
[syzbot] possible deadlock in mi_read 0 (1) 2022/10/01 13:47
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 possible deadlock in mi_read origin:upstream C 219 1d10h 371d 0/3 upstream: reported C repro on 2023/03/14 03:50
linux-6.1 possible deadlock in mi_read origin:upstream C 293 1d08h 368d 0/3 upstream: reported C repro on 2023/03/17 09:05
Last patch testing requests (6)
Created Duration User Patch Repo Result
2023/09/12 19:28 18m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2023/09/12 19:28 42m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2023/09/12 19:28 19m retest repro upstream OK log
2023/09/12 19:28 22m retest repro upstream OK log
2023/09/12 19:28 19m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2023/09/11 08:02 15m retest repro upstream report log
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2022/11/04 11:48 36m bisect fix upstream job log (0) log

Sample crash report:
ntfs3: loop0: Mark volume as dirty due to NTFS errors
============================================
WARNING: possible recursive locking detected
6.7.0-syzkaller-13004-g4fbbed787267 #0 Not tainted
--------------------------------------------
syz-executor372/5050 is trying to acquire lock:
ffff888071650860 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline]
ffff888071650860 (&ni->ni_lock/4){+.+.}-{3:3}, at: mi_read+0x2e1/0x5a0 fs/ntfs3/record.c:148

but task is already holding lock:
ffff888071655220 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline]
ffff888071655220 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_lookup+0xf9/0x1f0 fs/ntfs3/namei.c:84

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&ni->ni_lock/4);
  lock(&ni->ni_lock/4);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

2 locks held by syz-executor372/5050:
 #0: ffff8880716554c0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
 #0: ffff8880716554c0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1709
 #1: ffff888071655220 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline]
 #1: ffff888071655220 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_lookup+0xf9/0x1f0 fs/ntfs3/namei.c:84

stack backtrace:
CPU: 0 PID: 5050 Comm: syz-executor372 Not tainted 6.7.0-syzkaller-13004-g4fbbed787267 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 check_deadlock kernel/locking/lockdep.c:3062 [inline]
 validate_chain+0x15dd/0x5ab0 kernel/locking/lockdep.c:3856
 __lock_acquire+0x1345/0x1fd0 kernel/locking/lockdep.c:5137
 lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
 __mutex_lock_common kernel/locking/mutex.c:608 [inline]
 __mutex_lock+0x136/0xd60 kernel/locking/mutex.c:752
 ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline]
 mi_read+0x2e1/0x5a0 fs/ntfs3/record.c:148
 ntfs_read_mft fs/ntfs3/inode.c:70 [inline]
 ntfs_iget5+0x4d1/0x3b70 fs/ntfs3/inode.c:534
 dir_search_u+0x2fa/0x3a0 fs/ntfs3/dir.c:264
 ntfs_lookup+0x106/0x1f0 fs/ntfs3/namei.c:85
 __lookup_slow+0x282/0x3e0 fs/namei.c:1693
 lookup_slow+0x53/0x70 fs/namei.c:1710
 walk_component+0x2d0/0x400 fs/namei.c:2001
 lookup_last fs/namei.c:2458 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2482
 do_o_path+0x95/0x230 fs/namei.c:3769
 path_openat+0x2a63/0x31e0 fs/namei.c:3791
 do_filp_open+0x234/0x490 fs/namei.c:3825
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1404
 do_sys_open fs/open.c:1419 [inline]
 __do_sys_open fs/open.c:1427 [inline]
 __se_sys_open fs/open.c:1423 [inline]
 __x64_sys_open+0x225/0x270 fs/open.c:1423
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fa789c96a59
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff2d91ad18 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fa789c96a59
RDX: 0000000000000030 RSI: 0000000000220bc3 RDI: 0000000020000080
RBP: 00007fa789d285f0 R08: 00005555564874c0 R09: 00005555564874c0
R10: 000000000001f196 R11: 0000000000000246 R12: 00007fff2d91ad40
R13: 00007fff2d91af68 R14: 431bde82d7b634db R15: 00007fa789cdf03b
 </TASK>

Crashes (1032):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/01/22 08:44 upstream 4fbbed787267 9bd8dcda .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs possible deadlock in mi_read
2024/01/06 23:05 upstream 95c8a35f1c01 d0304e9c .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-badwrites-root possible deadlock in mi_read
2023/12/09 09:37 upstream f2e8a57ee903 28b24332 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root possible deadlock in mi_read
2023/10/09 20:20 upstream 94f6f0550c62 3c53c7d9 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs possible deadlock in mi_read
2023/09/24 08:02 upstream 3aba70aed91f 0b6a67ac .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root possible deadlock in mi_read
2022/10/01 20:29 upstream ffb4d94b4314 feb56351 .config strace log report syz C [disk image] [vmlinux] ci2-upstream-fs possible deadlock in mi_read
2024/01/05 04:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0802e17d9aca 28c42cff .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 possible deadlock in mi_read
2024/01/05 03:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0802e17d9aca 28c42cff .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 possible deadlock in mi_read
2024/01/05 01:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0802e17d9aca 28c42cff .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 possible deadlock in mi_read
2023/10/30 10:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c 3c418d72 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 possible deadlock in mi_read
2023/05/06 10:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 90c93c40 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 possible deadlock in mi_read
2023/05/05 11:52 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 518a39a6 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 possible deadlock in mi_read
2022/10/01 09:49 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] ci-upstream-gce-arm64 possible deadlock in mi_read
2023/07/26 22:12 linux-next 0ba5d0720577 41fe1bae .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root possible deadlock in mi_read
2023/07/26 01:04 linux-next 1e25dd777248 6756545c .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root possible deadlock in mi_read
2023/06/18 05:05 upstream 1b29d271614a f3921d4d .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root possible deadlock in mi_read
2023/06/17 15:01 upstream 1639fae5132b f3921d4d .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root possible deadlock in mi_read
2024/03/18 23:01 upstream fe46a7dd189e baa80228 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/18 07:04 upstream fe46a7dd189e d615901c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/17 04:33 upstream fe46a7dd189e d615901c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root possible deadlock in mi_read
2024/03/16 11:55 upstream fe46a7dd189e d615901c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root possible deadlock in mi_read
2024/03/16 08:51 upstream fe46a7dd189e d615901c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/15 04:36 upstream fe46a7dd189e d615901c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/11 21:13 upstream e8f897f4afef 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/11 17:59 upstream e8f897f4afef 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/10 10:07 upstream 005f6f34bd47 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/10 04:26 upstream 09e5c48fea17 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/10 03:20 upstream 09e5c48fea17 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/09 22:17 upstream 09e5c48fea17 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/09 07:40 upstream 10d48d70e82d 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/07 23:49 upstream 135288b73cef 2b789849 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/07 08:30 upstream 67be068d31d4 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/07 06:36 upstream 67be068d31d4 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/06 22:25 upstream 5847c9777c30 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/05 13:27 upstream 90d35da658da 5fc53669 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/05 10:06 upstream 90d35da658da 5fc53669 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/05 06:11 upstream 90d35da658da 5fc53669 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/04 20:15 upstream 90d35da658da 3717835d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/04 19:02 upstream 90d35da658da 3717835d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/03 08:07 upstream 04b8076df253 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/01 12:53 upstream 87adedeba51a 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/01 08:13 upstream 87adedeba51a 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/03/01 01:47 upstream 805d849d7c3c 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/29 22:12 upstream 805d849d7c3c 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/29 17:23 upstream 805d849d7c3c 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/27 16:47 upstream 45ec2f5f6ed3 05e69c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/27 13:17 upstream 45ec2f5f6ed3 05e69c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/27 11:29 upstream 45ec2f5f6ed3 05e69c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/27 06:36 upstream 45ec2f5f6ed3 05e69c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/25 05:00 upstream f2e367d6ad3b 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/24 22:40 upstream f2e367d6ad3b 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/23 11:34 upstream ffd2cb6b718e 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/23 02:48 upstream 1c892cdd8fe0 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/21 17:12 upstream 9fc1ccccfd8d 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/21 15:00 upstream 9fc1ccccfd8d 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/21 01:50 upstream fca7526b7d89 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/20 14:55 upstream b401b621758e 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/20 05:07 upstream b401b621758e 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/19 16:04 upstream b401b621758e 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/02/19 01:12 upstream c02197fc9076 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root possible deadlock in mi_read
2024/02/18 09:26 upstream ced590523156 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs possible deadlock in mi_read
2024/01/04 23:33 upstream 5eff55d725a4 28c42cff .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream possible deadlock in mi_read
2024/01/18 12:06 upstream 296455ade1fd 239abf84 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 possible deadlock in mi_read
2024/02/06 11:31 linux-next 23e11d031852 4e988e80 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root possible deadlock in mi_read
2024/03/18 18:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 baa80228 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 possible deadlock in mi_read
2024/03/18 16:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 baa80228 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 possible deadlock in mi_read
2024/03/17 22:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 d615901c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 possible deadlock in mi_read
2022/10/01 09:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 feb56351 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 possible deadlock in mi_read
* Struck through repros no longer work on HEAD.