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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.19 | possible deadlock in filename_create reiserfs | 1 | 45d | 45d | 0/1 | upstream: reported on 2023/02/13 11:59 | |||
linux-5.15 | possible deadlock in filename_create | 1 | 13d | 13d | 0/3 | upstream: reported on 2023/03/17 01:33 | |||
linux-6.1 | possible deadlock in filename_create | 1 | 1d23h | 1d22h | 0/3 | upstream: reported on 2023/03/28 17:00 | |||
linux-4.14 | possible deadlock in filename_create reiserfs | 1 | 79d | 79d | 0/1 | upstream: reported on 2023/01/10 15:41 |
REISERFS warning (device loop5): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. ====================================================== WARNING: possible circular locking dependency detected 6.3.0-rc4-syzkaller-00025-g3a93e40326c8 #0 Not tainted ------------------------------------------------------ syz-executor.5/25844 is trying to acquire lock: ffff888034ee6090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27 but task is already holding lock: ffff888036782400 (&type->i_mutex_dir_key#21/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline] ffff888036782400 (&type->i_mutex_dir_key#21/1){+.+.}-{3:3}, at: filename_create+0x25a/0x530 fs/namei.c:3808 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&type->i_mutex_dir_key#21/1){+.+.}-{3:3}: lock_acquire+0x1e1/0x520 kernel/locking/lockdep.c:5669 down_write_nested+0x3d/0x50 kernel/locking/rwsem.c:1689 inode_lock_nested include/linux/fs.h:793 [inline] filename_create+0x25a/0x530 fs/namei.c:3808 do_mknodat+0x1ac/0x6e0 fs/namei.c:3953 __do_sys_mknod fs/namei.c:3999 [inline] __se_sys_mknod fs/namei.c:3997 [inline] __x64_sys_mknod+0x8e/0xa0 fs/namei.c:3997 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 -> #1 (sb_writers#31){.+.+}-{0:0}: lock_acquire+0x1e1/0x520 kernel/locking/lockdep.c:5669 percpu_down_read include/linux/percpu-rwsem.h:51 [inline] __sb_start_write include/linux/fs.h:1477 [inline] sb_start_write+0x4d/0x1c0 include/linux/fs.h:1552 mnt_want_write_file+0x5e/0x1f0 fs/namespace.c:438 reiserfs_ioctl+0x174/0x340 fs/reiserfs/ioctl.c:103 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856 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 -> #0 (&sbi->lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3098 [inline] check_prevs_add kernel/locking/lockdep.c:3217 [inline] validate_chain+0x166b/0x58e0 kernel/locking/lockdep.c:3832 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5056 lock_acquire+0x1e1/0x520 kernel/locking/lockdep.c:5669 __mutex_lock_common+0x1d8/0x2530 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799 reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27 reiserfs_lookup+0x160/0x4b0 fs/reiserfs/namei.c:364 __lookup_hash+0x117/0x240 fs/namei.c:1602 filename_create+0x291/0x530 fs/namei.c:3809 do_mknodat+0x1ac/0x6e0 fs/namei.c:3953 __do_sys_mknod fs/namei.c:3999 [inline] __se_sys_mknod fs/namei.c:3997 [inline] __x64_sys_mknod+0x8e/0xa0 fs/namei.c:3997 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 other info that might help us debug this: Chain exists of: &sbi->lock --> sb_writers#31 --> &type->i_mutex_dir_key#21/1 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&type->i_mutex_dir_key #21/1); lock(sb_writers#31); lock(&type->i_mutex_dir_key#21/1); lock(&sbi->lock); *** DEADLOCK *** 2 locks held by syz-executor.5/25844: #0: ffff88801da1a460 (sb_writers#31){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:394 #1: ffff888036782400 (&type->i_mutex_dir_key#21/1){+.+.}-{3:3} , at: inode_lock_nested include/linux/fs.h:793 [inline] , at: filename_create+0x25a/0x530 fs/namei.c:3808 stack backtrace: CPU: 0 PID: 25844 Comm: syz-executor.5 Not tainted 6.3.0-rc4-syzkaller-00025-g3a93e40326c8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 check_noncircular+0x2fe/0x3b0 kernel/locking/lockdep.c:2178 check_prev_add kernel/locking/lockdep.c:3098 [inline] check_prevs_add kernel/locking/lockdep.c:3217 [inline] validate_chain+0x166b/0x58e0 kernel/locking/lockdep.c:3832 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5056 lock_acquire+0x1e1/0x520 kernel/locking/lockdep.c:5669 __mutex_lock_common+0x1d8/0x2530 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799 reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27 reiserfs_lookup+0x160/0x4b0 fs/reiserfs/namei.c:364 __lookup_hash+0x117/0x240 fs/namei.c:1602 filename_create+0x291/0x530 fs/namei.c:3809 do_mknodat+0x1ac/0x6e0 fs/namei.c:3953 __do_sys_mknod fs/namei.c:3999 [inline] __se_sys_mknod fs/namei.c:3997 [inline] __x64_sys_mknod+0x8e/0xa0 fs/namei.c:3997 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: 0033:0x7f4a9e88c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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:00007f4a9f524168 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 RAX: ffffffffffffffda RBX: 00007f4a9e9abf80 RCX: 00007f4a9e88c0f9 RDX: 000000000000070a RSI: 0000000000002000 RDI: 0000000020001640 RBP: 00007f4a9e8e7b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe973480ff R14: 00007f4a9f524300 R15: 0000000000022000 </TASK>
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-fs | 2023/03/28 14:18 | upstream | 3a93e40326c8 | 47f3aaf1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci2-upstream-fs | 2023/03/22 05:36 | upstream | 2faac9a98f01 | 8b4eb097 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci-upstream-kasan-gce-root | 2023/03/18 00:10 | upstream | 8d3c682a5e3d | 7939252e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci2-upstream-fs | 2023/03/15 09:25 | upstream | 6015b1aca1a2 | 18b58603 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci-upstream-kasan-gce-root | 2023/03/14 22:13 | upstream | 4979bf866825 | 0d5c4377 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci2-upstream-fs | 2023/03/14 02:18 | upstream | fc89d7fb499b | 026e2200 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci2-upstream-fs | 2023/03/13 13:07 | upstream | eeac8ede1755 | 026e2200 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci2-upstream-fs | 2023/03/05 21:51 | upstream | f915322fe014 | f8902b57 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci-upstream-kasan-gce-root | 2023/03/04 04:45 | upstream | 0a3f9a6b0265 | f8902b57 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci2-upstream-fs | 2023/03/01 22:08 | upstream | ee3f96b16468 | f8902b57 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci2-upstream-fs | 2023/03/01 01:37 | upstream | e492250d5252 | 95aee97a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci2-upstream-fs | 2023/02/27 20:40 | upstream | 982818426a0f | 9189cb53 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci2-upstream-fs | 2023/02/20 19:37 | upstream | c9c3395d5e3d | 2414209c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci2-upstream-fs | 2023/02/19 07:49 | upstream | 5e725d112e1a | bcdf85f8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci2-upstream-fs | 2023/02/18 22:40 | upstream | 5e725d112e1a | bcdf85f8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci2-upstream-fs | 2023/02/18 21:29 | upstream | 5e725d112e1a | d02e9a70 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci2-upstream-fs | 2023/02/17 12:03 | upstream | ec35307e18ba | 3e7039f4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci-upstream-kasan-gce-root | 2023/02/11 10:18 | upstream | 420b2d431d18 | 93e26d60 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci-upstream-kasan-gce-root | 2023/01/18 07:51 | upstream | c1649ec55708 | 42660d9e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci-upstream-kasan-gce-root | 2022/12/18 08:34 | upstream | f9ff5644bcc0 | 05494336 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci-upstream-kasan-gce-root | 2022/12/15 00:30 | upstream | 6f1f5caed5bf | b18f0a64 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci-upstream-kasan-gce-root | 2022/12/14 09:39 | upstream | e2ca6ba6ba01 | f6511626 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci2-upstream-fs | 2022/11/09 13:13 | upstream | f141df371335 | 5fa28208 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci-qemu-upstream-386 | 2022/12/03 15:02 | upstream | 97ee9d1c1696 | e080de16 | .config | console log | report | info | possible deadlock in filename_create | |||
ci-qemu-upstream-386 | 2022/12/03 02:35 | upstream | bdaa78c6aa86 | e080de16 | .config | console log | report | info | possible deadlock in filename_create | |||
ci-qemu-upstream-386 | 2022/11/28 14:37 | upstream | b7b275e60bcd | 950c3e02 | .config | console log | report | info | possible deadlock in filename_create | |||
ci-qemu-upstream-386 | 2022/11/26 00:38 | upstream | 0b1dcc2cf55a | f4470a7b | .config | console log | report | info | possible deadlock in filename_create | |||
ci-upstream-gce-arm64 | 2023/02/15 11:03 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 2d3827b3f393 | 6be0f1f5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci-upstream-gce-arm64 | 2023/01/11 19:41 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 358a161a6a9e | 96166539 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci-upstream-gce-arm64 | 2023/01/03 19:22 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | a5541c0811a0 | 1dac8c7a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | possible deadlock in filename_create | ||
ci-upstream-gce-arm64 | 2022/12/23 00:09 | 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] | possible deadlock in filename_create |