F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 ------------[ cut here ]------------ Looking for class "ock" with key __key.0, but found a different class "&c->lock" with the same key WARNING: CPU: 0 PID: 7991 at kernel/locking/lockdep.c:932 look_up_lock_class+0x133/0x140 kernel/locking/lockdep.c:932 Modules linked in: CPU: 0 PID: 7991 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00366-g771ed66105de #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:look_up_lock_class+0x133/0x140 kernel/locking/lockdep.c:932 Code: c7 c7 20 b9 2c 8b e8 ec 63 74 f6 90 0f 0b 90 90 90 31 db eb be c6 05 95 91 ef 04 01 90 48 c7 c7 40 bc 2c 8b e8 ce 63 74 f6 90 <0f> 0b 90 90 e9 62 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003ee7348 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffffffff941fc940 RCX: ffffc9000c001000 RDX: 0000000000040000 RSI: ffffffff81511296 RDI: 0000000000000001 RBP: ffffffff94af0d50 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 5f2079656b206f4c R12: ffffe8ffad06a890 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff94ad8be0 FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000f5e47b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000003292a000 CR3: 0000000000692000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: fffffffffffffffe DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: register_lock_class+0xb1/0x1230 kernel/locking/lockdep.c:1284 __lock_acquire+0x111/0x3b30 kernel/locking/lockdep.c:5014 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 local_lock_acquire include/linux/local_lock_internal.h:29 [inline] ___slab_alloc+0x7bb/0x1870 mm/slub.c:3716 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3757 __slab_alloc_node mm/slub.c:3810 [inline] slab_alloc_node mm/slub.c:3989 [inline] kmem_cache_alloc_noprof+0x2ae/0x2f0 mm/slub.c:4008 f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2830 [inline] xattr_alloc fs/f2fs/xattr.c:30 [inline] lookup_all_xattrs fs/f2fs/xattr.c:333 [inline] f2fs_getxattr+0x46d/0x11e0 fs/f2fs/xattr.c:533 f2fs_xattr_generic_get+0x138/0x170 fs/f2fs/xattr.c:63 __vfs_getxattr+0x13b/0x1a0 fs/xattr.c:423 cap_inode_need_killpriv+0x40/0x60 security/commoncap.c:302 security_inode_need_killpriv+0x65/0xb0 security/security.c:2504 dentry_needs_remove_privs fs/inode.c:2015 [inline] file_remove_privs_flags+0x3a6/0x5d0 fs/inode.c:2046 file_modified_flags fs/inode.c:2167 [inline] file_modified+0x47/0x200 fs/inode.c:2196 f2fs_write_checks fs/f2fs/file.c:4599 [inline] f2fs_file_write_iter+0x457/0x2220 fs/f2fs/file.c:4890 new_sync_write fs/read_write.c:497 [inline] vfs_write+0x6b6/0x1140 fs/read_write.c:590 ksys_write+0x12f/0x260 fs/read_write.c:643 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7255579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f5e475ac EFLAGS: 00000292 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000380 RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi