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[syzbot] [ocfs2?] WARNING: bad unlock balance in ocfs2_inode_cache_io_unlock | 1 (3) | 2024/09/21 02:28 |
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[syzbot] [ocfs2?] WARNING: bad unlock balance in ocfs2_inode_cache_io_unlock | 1 (3) | 2024/09/21 02:28 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/09/21 01:54 | 24m | eadavis@qq.com | patch | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | OK log |
option from the mount to silence this warning. ======================================================= (syz-executor347,6405,1):ocfs2_read_blocks:240 ERROR: status = -12 ===================================== WARNING: bad unlock balance detected! 6.11.0-rc7-syzkaller-g5f5673607153 #0 Not tainted ------------------------------------- syz-executor347/6405 is trying to release lock (&oi->ip_io_mutex) at: [<ffff80008201e0dc>] ocfs2_inode_cache_io_unlock+0x20/0x30 fs/ocfs2/inode.c:1650 but there are no more locks to release! other info that might help us debug this: 1 lock held by syz-executor347/6405: #0: ffff0000c26140e0 (&type->s_umount_key#43/1){+.+.}-{3:3}, at: alloc_super+0x1b0/0x83c fs/super.c:344 stack backtrace: CPU: 1 UID: 0 PID: 6405 Comm: syz-executor347 Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:319 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:326 __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:119 dump_stack+0x1c/0x28 lib/dump_stack.c:128 print_unlock_imbalance_bug+0x250/0x2a4 kernel/locking/lockdep.c:5199 __lock_release kernel/locking/lockdep.c:5436 [inline] lock_release+0x4ec/0x9e8 kernel/locking/lockdep.c:5780 __mutex_unlock_slowpath+0xe0/0x6b4 kernel/locking/mutex.c:912 mutex_unlock+0x18/0x24 kernel/locking/mutex.c:548 ocfs2_inode_cache_io_unlock+0x20/0x30 fs/ocfs2/inode.c:1650 ocfs2_metadata_cache_io_unlock+0x6c/0x90 fs/ocfs2/uptodate.c:95 ocfs2_read_blocks+0x1164/0x1638 fs/ocfs2/buffer_head_io.c:394 ocfs2_map_slot_buffers fs/ocfs2/slot_map.c:385 [inline] ocfs2_init_slot_info+0x904/0x1214 fs/ocfs2/slot_map.c:424 ocfs2_initialize_super fs/ocfs2/super.c:2274 [inline] ocfs2_fill_super+0x2668/0x4740 fs/ocfs2/super.c:994 mount_bdev+0x1d4/0x2a0 fs/super.c:1679 ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1188 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662 vfs_get_tree+0x90/0x28c fs/super.c:1800 do_new_mount+0x278/0x900 fs/namespace.c:3472 path_mount+0x590/0xe04 fs/namespace.c:3799 do_mount fs/namespace.c:3812 [inline] __do_sys_mount fs/namespace.c:4020 [inline] __se_sys_mount fs/namespace.c:3997 [inline] __arm64_sys_mount+0x45c/0x5a8 fs/namespace.c:3997 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 (syz-executor347,6405,1):ocfs2_map_slot_buffers:388 ERROR: status = -12 (syz-executor347,6405,1):ocfs2_init_slot_info:426 ERROR: status = -12 (syz-executor347,6405,1):ocfs2_initialize_super:2276 ERROR: status = -12 (syz-executor347,6405,0):ocfs2_fill_super:1178 ERROR: status = -12
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/09/17 07:09 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 5f5673607153 | c673ca06 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci-upstream-gce-arm64 | WARNING: bad unlock balance in ocfs2_inode_cache_io_unlock | |
2024/10/02 14:45 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 5f5673607153 | a4c7fd36 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | WARNING: bad unlock balance in ocfs2_inode_cache_io_unlock | ||
2024/09/20 07:20 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 5f5673607153 | 6f888b75 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | WARNING: bad unlock balance in ocfs2_inode_cache_io_unlock | ||
2024/09/19 12:46 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 5f5673607153 | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | WARNING: bad unlock balance in ocfs2_inode_cache_io_unlock | ||
2024/09/17 05:25 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 5f5673607153 | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | WARNING: bad unlock balance in ocfs2_inode_cache_io_unlock | ||
2024/09/17 05:24 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 5f5673607153 | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | WARNING: bad unlock balance in ocfs2_inode_cache_io_unlock | ||
2024/09/16 17:20 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 5f5673607153 | 49cf0773 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | WARNING: bad unlock balance in ocfs2_inode_cache_io_unlock |