Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2025/06/15 | linux-5.15.y (ToT) | 1c700860e8bc | C | [report] possible deadlock in filename_create |
2025/06/15 | upstream (ToT) | 8c6bc74c7f89 | C | Didn't crash |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2025/06/15 | linux-5.15.y (ToT) | 1c700860e8bc | C | [report] possible deadlock in filename_create |
2025/06/15 | upstream (ToT) | 8c6bc74c7f89 | C | Didn't crash |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.19 | possible deadlock in filename_create reiserfs | 1 | 862d | 862d | 0/1 | upstream: reported on 2023/02/13 11:59 | |||
linux-5.15 | possible deadlock in filename_create | 23 | 608d | 831d | 0/3 | auto-obsoleted due to no activity on 2024/02/02 20:22 | |||
linux-6.1 | possible deadlock in filename_create | 15 | 618d | 819d | 0/3 | auto-obsoleted due to no activity on 2024/01/23 21:11 | |||
linux-6.1 | possible deadlock in filename_create (2) origin:upstream missing-backport | C | done | 19 | 14d | 479d | 0/3 | upstream: reported C repro on 2024/03/02 21:45 | |
linux-4.14 | possible deadlock in filename_create reiserfs | 1 | 896d | 896d | 0/1 | upstream: reported on 2023/01/10 15:41 | |||
upstream | possible deadlock in filename_create reiserfs | C | 97 | 527d | 958d | 0/29 | auto-obsoleted due to no activity on 2024/03/25 04:40 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2025/05/11 15:59 | 27m | retest repro | linux-5.15.y | report log | |
2025/05/11 15:59 | 29m | retest repro | linux-5.15.y | report log | |
2025/04/06 01:03 | 13m | retest repro | linux-5.15.y | report log | |
2025/04/06 01:03 | 11m | retest repro | linux-5.15.y | report log | |
2025/02/24 10:14 | 58m | retest repro | linux-5.15.y | report log | |
2025/02/24 10:14 | 13m | retest repro | linux-5.15.y | report log |
REISERFS (device loop3): checking transaction log (loop3) REISERFS (device loop3): Using tea hash to sort names REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. ====================================================== WARNING: possible circular locking dependency detected 5.15.185-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor739/4205 is trying to acquire lock: ffff88806f51c520 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline] ffff88806f51c520 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x1f2/0x450 fs/namei.c:3835 but task is already holding lock: ffff888023118460 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 fs/namespace.c:377 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (sb_writers#9){.+.+}-{0:0}: percpu_down_read include/linux/percpu-rwsem.h:51 [inline] __sb_start_write include/linux/fs.h:1811 [inline] sb_start_write+0x4f/0x1c0 include/linux/fs.h:1881 mnt_want_write_file+0x5c/0x200 fs/namespace.c:421 reiserfs_ioctl+0x10a/0x330 fs/reiserfs/ioctl.c:103 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #1 (&sbi->lock){+.+.}-{3:3}: __mutex_lock_common+0x1eb/0x2390 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 reiserfs_write_lock+0x75/0xd0 fs/reiserfs/lock.c:27 reiserfs_lookup+0x137/0x420 fs/reiserfs/namei.c:364 lookup_one_qstr_excl+0x10e/0x240 fs/namei.c:1563 filename_create+0x21e/0x450 fs/namei.c:3836 do_mkdirat+0x9d/0x5a0 fs/namei.c:4080 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #0 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623 down_write_nested+0x3b/0x60 kernel/locking/rwsem.c:1667 inode_lock_nested include/linux/fs.h:822 [inline] filename_create+0x1f2/0x450 fs/namei.c:3835 do_mkdirat+0x9d/0x5a0 fs/namei.c:4080 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 other info that might help us debug this: Chain exists of: &type->i_mutex_dir_key#6/1 --> &sbi->lock --> sb_writers#9 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sb_writers#9); lock(&sbi->lock); lock(sb_writers#9); lock(&type->i_mutex_dir_key#6/1); *** DEADLOCK *** 1 lock held by syz-executor739/4205: #0: ffff888023118460 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 fs/namespace.c:377 stack backtrace: CPU: 1 PID: 4205 Comm: syz-executor739 Not tainted 5.15.185-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: <TASK> dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 check_noncircular+0x274/0x310 kernel/locking/lockdep.c:2133 check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x2c33/0x7c60 kernel/locking/lockdep.c:5012 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623 down_write_nested+0x3b/0x60 kernel/locking/rwsem.c:1667 inode_lock_nested include/linux/fs.h:822 [inline] filename_create+0x1f2/0x450 fs/namei.c:3835 do_mkdirat+0x9d/0x5a0 fs/namei.c:4080 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fa15e8a0459 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 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:00007fff82debce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa15e8a0459 RDX: 0000000000000000 RSI: 0000200000000180 RDI: 00000000ffffff9c RBP: 0000000000000000 R08: 0000000000001119 R09: 0000200000002300 R10: 00007fff82debbb0 R11: 0000000000000246 R12: 00007fff82debd1c R13: 0000000000000002 R14: 431bde82d7b634db R15: 00007fff82debd50 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/06/09 11:03 | linux-5.15.y | 1c700860e8bc | 4826c28e | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro #1 (corrupt fs)] [mounted in repro #2 (corrupt fs)] | ci2-linux-5-15-kasan | possible deadlock in filename_create | |
2025/03/05 06:11 | linux-5.15.y | c16c81c81336 | c3901742 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | |
2025/02/10 02:34 | linux-5.15.y | c16c81c81336 | ef44b750 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro #1 (corrupt fs)] [mounted in repro #2 (corrupt fs)] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | |
2024/04/20 18:33 | linux-5.15.y | c52b9710c83d | af24b050 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | |
2024/03/30 14:27 | linux-5.15.y | 9465fef4ae35 | 6baf5069 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | |
2025/03/21 21:19 | linux-5.15.y | 0c935c049b5c | c6512ef7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in filename_create | ||
2025/03/20 20:02 | linux-5.15.y | 0c935c049b5c | 62330552 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in filename_create | ||
2025/03/19 07:56 | linux-5.15.y | 0c935c049b5c | 8d0a2921 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in filename_create | ||
2025/03/18 15:45 | linux-5.15.y | 0c935c049b5c | 22a6c2b1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in filename_create | ||
2025/03/18 15:45 | linux-5.15.y | 0c935c049b5c | 22a6c2b1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in filename_create | ||
2024/04/30 23:43 | linux-5.15.y | b925f60c6ee7 | 3ce4924c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in filename_create | ||
2025/06/08 11:27 | linux-5.15.y | 1c700860e8bc | 4826c28e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | ||
2025/06/08 11:25 | linux-5.15.y | 1c700860e8bc | 4826c28e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | ||
2025/04/25 05:42 | linux-5.15.y | f7347f400572 | e3715315 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | ||
2025/04/25 05:42 | linux-5.15.y | f7347f400572 | e3715315 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | ||
2025/04/24 19:47 | linux-5.15.y | f7347f400572 | 9882047a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | ||
2025/04/24 19:46 | linux-5.15.y | f7347f400572 | 9882047a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | ||
2024/05/13 05:04 | linux-5.15.y | 284087d4f7d5 | 9026e142 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | ||
2024/05/12 15:10 | linux-5.15.y | 284087d4f7d5 | 9026e142 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | ||
2024/04/23 02:18 | linux-5.15.y | c52b9710c83d | 36c961ad | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | ||
2024/04/21 09:04 | linux-5.15.y | c52b9710c83d | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | ||
2024/03/31 17:57 | linux-5.15.y | 9465fef4ae35 | 6baf5069 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | ||
2024/03/30 13:41 | linux-5.15.y | 9465fef4ae35 | 6baf5069 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create | ||
2024/03/30 13:41 | linux-5.15.y | 9465fef4ae35 | 6baf5069 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in filename_create |