BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 PID: 16790 Comm: syz-executor.0 Not tainted 5.15.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106 lookup_chain_cache_add kernel/locking/lockdep.c:3736 [inline] validate_chain+0x7e8/0x8240 kernel/locking/lockdep.c:3757 __lock_acquire+0x1382/0x2b00 kernel/locking/lockdep.c:5015 lock_acquire+0x19f/0x4d0 kernel/locking/lockdep.c:5625 local_lock_acquire+0x1d/0x70 include/linux/local_lock_internal.h:29 put_cpu_partial+0x6b/0x1a0 mm/slub.c:2551 do_slab_free mm/slub.c:3480 [inline] ___cache_free+0xe6/0x120 mm/slub.c:3499 qlist_free_all mm/kasan/quarantine.c:165 [inline] kasan_quarantine_reduce+0x151/0x1c0 mm/kasan/quarantine.c:272 __kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:444 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook mm/slab.h:519 [inline] slab_alloc_node mm/slub.c:3213 [inline] slab_alloc mm/slub.c:3221 [inline] __kmalloc+0x1e7/0x370 mm/slub.c:4396 kmalloc include/linux/slab.h:596 [inline] kzalloc include/linux/slab.h:721 [inline] smk_parse_smack+0x18e/0x220 security/smack/smack_access.c:468 smk_fill_rule+0xa0/0x2c0 security/smack/smackfs.c:331 smk_parse_long_rule+0x60f/0x7c0 security/smack/smackfs.c:417 smk_user_access security/smack/smackfs.c:2308 [inline] smk_write_access2+0xd8/0x2b0 security/smack/smackfs.c:2499 vfs_write+0x327/0xe90 fs/read_write.c:592 ksys_write+0x18f/0x2c0 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f139f866ae9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f139cddc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f139f979f60 RCX: 00007f139f866ae9 RDX: 000000000000000e RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00007f139f8c0f25 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcb834d89f R14: 00007f139cddc300 R15: 0000000000022000