BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 PID: 6984 Comm: syz-executor.1 Not tainted 5.8.0-rc5-syzkaller #0 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+0x18f/0x20d lib/dump_stack.c:118 add_chain_cache kernel/locking/lockdep.c:3063 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3162 [inline] validate_chain kernel/locking/lockdep.c:3183 [inline] __lock_acquire.cold+0x11/0x3f8 kernel/locking/lockdep.c:4380 lock_acquire+0x1f1/0xad0 kernel/locking/lockdep.c:4959 seqcount_lockdep_reader_access include/linux/seqlock.h:97 [inline] read_seqcount_begin include/linux/seqlock.h:182 [inline] read_seqbegin include/linux/seqlock.h:466 [inline] zone_span_seqbegin include/linux/memory_hotplug.h:80 [inline] page_outside_zone_boundaries+0xbb/0x310 mm/page_alloc.c:568 bad_range mm/page_alloc.c:597 [inline] rmqueue mm/page_alloc.c:3408 [inline] get_page_from_freelist+0xb7f/0x36b0 mm/page_alloc.c:3791 __alloc_pages_nodemask+0x2cd/0x930 mm/page_alloc.c:4844 alloc_pages_current+0x187/0x280 mm/mempolicy.c:2292 alloc_pages include/linux/gfp.h:545 [inline] __get_free_pages+0x8/0x40 mm/page_alloc.c:4887 kfree_call_rcu_add_ptr_to_bulk kernel/rcu/tree.c:3206 [inline] kfree_call_rcu+0x66d/0x7e0 kernel/rcu/tree.c:3269 posix_acl_release include/linux/posix_acl.h:56 [inline] posix_acl_release include/linux/posix_acl.h:53 [inline] __destroy_inode+0x52b/0x6a0 fs/inode.c:267 destroy_inode+0x91/0x1b0 fs/inode.c:280 iput_final fs/inode.c:1652 [inline] iput.part.0+0x424/0x850 fs/inode.c:1678 iput+0x58/0x70 fs/inode.c:1668 dentry_unlink_inode+0x2b1/0x3d0 fs/dcache.c:374 d_delete fs/dcache.c:2470 [inline] d_delete+0x16b/0x1c0 fs/dcache.c:2459 vfs_rmdir.part.0+0x38e/0x430 fs/namei.c:3718 vfs_rmdir fs/namei.c:3690 [inline] do_rmdir+0x3fd/0x490 fs/namei.c:3766 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45c977 Code: Bad RIP value. RSP: 002b:00007ffebae43fe8 EFLAGS: 00000207 ORIG_RAX: 0000000000000054 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 000000000045c977 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffebae45180 RBP: 000000000000090a R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000005 R11: 0000000000000207 R12: 00007ffebae45180 R13: 0000000000dc3980 R14: 0000000000000000 R15: 00007ffebae46210