------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(l->owner) WARNING: CPU: 3 PID: 14155 at include/linux/local_lock_internal.h:30 local_lock_acquire include/linux/local_lock_internal.h:30 [inline] WARNING: CPU: 3 PID: 14155 at include/linux/local_lock_internal.h:30 ___slab_alloc+0x16c2/0x1870 mm/slub.c:3715 Modules linked in: CPU: 3 PID: 14155 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00022-g32f88d65f01b #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:local_lock_acquire include/linux/local_lock_internal.h:30 [inline] RIP: 0010:___slab_alloc+0x16c2/0x1870 mm/slub.c:3715 Code: 9a 02 85 c0 74 09 83 3d ff 4c 01 0e 00 74 21 90 e9 30 ff ff ff 90 48 c7 c6 ef 90 37 8d 48 c7 c7 38 5c 37 8d e8 1f 5a 6f ff 90 <0f> 0b 90 90 eb c6 90 48 c7 c6 f8 90 37 8d 48 c7 c7 38 5c 37 8d e8 RSP: 0018:ffffc90002e8f5e0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000246 RCX: ffffc90025c3b000 RDX: 0000000000040000 RSI: ffffffff81510236 RDI: 0000000000000001 RBP: ffffc90002e8f6c0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 000000002d2d2d2d R12: ffff88801c7f2440 R13: ffff888064650f00 R14: ffffe8ffad36f3e0 R15: ffffe8ffad36f3c0 FS: 0000000000000000(0000) GS:ffff88802c300000(0063) knlGS:00000000f5ebfb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020000080 CR3: 0000000027362000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3756 __slab_alloc_node mm/slub.c:3809 [inline] slab_alloc_node mm/slub.c:3988 [inline] kmem_cache_alloc_noprof+0x2ae/0x2f0 mm/slub.c:4007 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+0xae/0x100 fs/inode.c:2015 do_truncate+0xea/0x220 fs/open.c:57 handle_truncate fs/namei.c:3308 [inline] do_open fs/namei.c:3654 [inline] path_openat+0x2505/0x29f0 fs/namei.c:3807 do_filp_open+0x1dc/0x430 fs/namei.c:3834 do_sys_openat2+0x17a/0x1e0 fs/open.c:1405 do_sys_open fs/open.c:1420 [inline] __do_compat_sys_openat fs/open.c:1480 [inline] __se_compat_sys_openat fs/open.c:1478 [inline] __ia32_compat_sys_openat+0x16e/0x210 fs/open.c:1478 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: 0023:0xf72cd579 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:00000000f5ebf5ac EFLAGS: 00000292 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000080 RDX: 0000000000007a05 RSI: 0000000000001700 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