ptrace attach of "/syz-executor.3 exec"[5236] was attempted by "/syz-executor.3 exec"[5932] ------------[ cut here ]------------ Looking for class "c->lock" with key __key.0, but found a different class "&c->lock" with the same key WARNING: CPU: 0 PID: 5932 at kernel/locking/lockdep.c:932 look_up_lock_class+0x133/0x140 kernel/locking/lockdep.c:932 Modules linked in: CPU: 0 PID: 5932 Comm: syz-executor.3 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #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 cc 53 74 f6 90 0f 0b 90 90 90 31 db eb be c6 05 f5 86 ef 04 01 90 48 c7 c7 40 bc 2c 8b e8 ae 53 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:ffffc90007ec7388 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffffffff941fc940 RCX: ffffc9000c202000 RDX: 0000000000040000 RSI: ffffffff81511296 RDI: 0000000000000001 RBP: ffffffff94af0d50 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 000000006b6f6f4c R12: ffffe8ffad0692b0 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff94ad8be0 FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000f5e98b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f7403794 CR3: 0000000057d5c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 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_get_acl+0x5a/0x890 fs/f2fs/acl.c:179 f2fs_acl_create fs/f2fs/acl.c:377 [inline] f2fs_init_acl+0x164/0xb40 fs/f2fs/acl.c:420 f2fs_init_inode_metadata+0x159/0x1210 fs/f2fs/dir.c:558 f2fs_add_inline_entry+0x3c6/0x960 fs/f2fs/inline.c:646 f2fs_add_dentry+0xa6/0x240 fs/f2fs/dir.c:784 f2fs_do_add_link+0x18f/0x290 fs/f2fs/dir.c:827 f2fs_add_link fs/f2fs/f2fs.h:3586 [inline] f2fs_mkdir+0x37b/0x620 fs/f2fs/namei.c:779 vfs_mkdir+0x57d/0x860 fs/namei.c:4131 do_mkdirat+0x301/0x3a0 fs/namei.c:4154 __do_sys_mkdir fs/namei.c:4174 [inline] __se_sys_mkdir fs/namei.c:4172 [inline] __ia32_sys_mkdir+0xf0/0x140 fs/namei.c:4172 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: 0023:0xf72c7579 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:00000000f5e985ac EFLAGS: 00000292 ORIG_RAX: 0000000000000027 RAX: ffffffffffffffda RBX: 00000000200002c0 RCX: 0000000000000000 RDX: 0000000000000000 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