syzbot |
sign-in | mailing list | source | docs |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-5.15 | possible deadlock in hfs_find_init origin:upstream | C | error | 85 | 5d19h | 631d | 0/3 | upstream: reported C repro on 2023/03/22 23:14 | |
linux-4.14 | possible deadlock in hfs_find_init hfs | C | 1 | 654d | 687d | 0/1 | upstream: reported C repro on 2023/01/26 19:14 | ||
linux-4.19 | possible deadlock in hfs_find_init hfs | C | error | 7 | 648d | 714d | 0/1 | upstream: reported C repro on 2022/12/30 06:08 | |
upstream | possible deadlock in hfs_find_init (2) hfs | C | error | 2025 | 10m | 717d | 0/28 | upstream: reported C repro on 2022/12/27 00:59 | |
linux-6.1 | possible deadlock in hfs_find_init origin:upstream | C | 104 | 10h51m | 634d | 0/3 | upstream: reported C repro on 2023/03/20 17:38 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2021/06/29 13:59 | 13m | desmondcheongzx@gmail.com | patch | upstream | OK |
2021/06/29 10:48 | 14m | desmondcheongzx@gmail.com | patch | upstream | OK |
2021/06/29 07:16 | 8m | desmondcheongzx@gmail.com | patch | upstream | report log |
2021/06/29 06:56 | 8m | desmondcheongzx@gmail.com | patch | upstream | report log |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2021/03/01 06:05 | 0m | bisect fix | upstream | error job log | |
2021/02/06 14:26 | 1m | bisect fix | upstream | error job log | |
2021/01/07 13:12 | 15m | bisect fix | upstream | OK (0) job log log | |
2020/12/07 11:44 | 15m | bisect fix | upstream | OK (0) job log log | |
2020/11/07 02:12 | 15m | bisect fix | upstream | OK (0) job log log | |
2020/10/07 04:43 | 16m | bisect fix | upstream | OK (0) job log log | |
2020/08/27 03:27 | 15m | bisect fix | upstream | OK (0) job log log | |
2020/07/26 13:57 | 15m | bisect fix | upstream | OK (0) job log log | |
2020/06/15 14:44 | 17m | bisect fix | upstream | OK (0) job log log | |
2020/05/16 13:37 | 17m | bisect fix | upstream | OK (0) job log log | |
2020/04/16 13:20 | 16m | bisect fix | upstream | OK (0) job log log | |
2020/03/16 22:33 | 17m | bisect fix | upstream | OK (0) job log log | |
2020/02/11 21:34 | 17m | bisect fix | upstream | OK (0) job log log | |
2020/01/12 21:07 | 17m | bisect fix | upstream | OK (0) job log log | |
2019/12/10 14:13 | 17m | bisect fix | upstream | OK (0) job log log | |
2019/08/01 07:19 | 18m | bisect fix | upstream | OK (0) job log log |
hfs: unable to locate alternate MDB hfs: continuing without an alternate MDB ============================================ WARNING: possible recursive locking detected 4.17.0-rc1+ #9 Not tainted -------------------------------------------- syzkaller905163/4505 is trying to acquire lock: 00000000cf71528f (&tree->tree_lock){+.+.}, at: hfs_find_init+0x11c/0x180 fs/hfs/bfind.c:28 but task is already holding lock: 000000007d108cde (&tree->tree_lock){+.+.}, at: hfs_find_init+0x11c/0x180 fs/hfs/bfind.c:28 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&tree->tree_lock); lock(&tree->tree_lock); *** DEADLOCK *** May be due to missing lock nesting notation 3 locks held by syzkaller905163/4505: #0: 000000005253f77a (&type->s_umount_key#36/1){+.+.}, at: alloc_super fs/super.c:212 [inline] #0: 000000005253f77a (&type->s_umount_key#36/1){+.+.}, at: sget_userns+0x2dd/0xf20 fs/super.c:503 #1: 000000007d108cde (&tree->tree_lock){+.+.}, at: hfs_find_init+0x11c/0x180 fs/hfs/bfind.c:28 #2: 00000000d9af4d52 (&HFS_I(tree->inode)->extents_lock){+.+.}, at: hfs_get_block+0x56c/0x850 fs/hfs/extent.c:359 stack backtrace: CPU: 1 PID: 4505 Comm: syzkaller905163 Not tainted 4.17.0-rc1+ #9 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 print_deadlock_bug kernel/locking/lockdep.c:1761 [inline] check_deadlock kernel/locking/lockdep.c:1805 [inline] validate_chain kernel/locking/lockdep.c:2401 [inline] __lock_acquire.cold.62+0x18c/0x55b kernel/locking/lockdep.c:3431 lock_acquire+0x1dc/0x520 kernel/locking/lockdep.c:3920 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16d/0x17f0 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 hfs_find_init+0x11c/0x180 fs/hfs/bfind.c:28 hfs_ext_read_extent+0x1b9/0xc20 fs/hfs/extent.c:196 hfs_get_block+0x578/0x850 fs/hfs/extent.c:360 block_read_full_page+0x2c7/0xab0 fs/buffer.c:2236 hfs_readpage+0x1c/0x20 fs/hfs/inode.c:38 do_read_cache_page+0x778/0x13b0 mm/filemap.c:2806 read_cache_page+0x61/0x80 mm/filemap.c:2894 read_mapping_page include/linux/pagemap.h:402 [inline] __hfs_bnode_create+0x601/0x9f0 fs/hfs/bnode.c:281 hfs_bnode_find+0x2b8/0xb80 fs/hfs/bnode.c:330 hfs_brec_find+0x2f3/0x5b0 fs/hfs/bfind.c:114 hfs_brec_read+0x27/0x120 fs/hfs/bfind.c:153 hfs_cat_find_brec+0x14a/0x400 fs/hfs/catalog.c:186 hfs_fill_super+0x11f4/0x18c0 fs/hfs/super.c:426 mount_bdev+0x30c/0x3e0 fs/super.c:1165 hfs_mount+0x34/0x40 fs/hfs/super.c:463 mount_fs+0xae/0x328 fs/super.c:1268 vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037 vfs_kern_mount fs/namespace.c:1027 [inline] do_new_mount fs/namespace.c:2517 [inline] do_mount+0x564/0x3070 fs/namespace.c:2847 ksys_mount+0x12d/0x140 fs/namespace.c:3063 __do_sys_mount fs/namespace.c:3077 [inline] __se_sys_mount fs/namespace.c:3074 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3074 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x442e4a RSP: 002b:00007ffe9b4269d8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000258 RCX: 0000000000442e4a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffe9b4269e0
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2018/04/20 19:30 | upstream | 43f70c960180 | cc402841 | .config | console log | report | syz | C | ci-upstream-kasan-gce-root |