BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 14801 Comm: syz.3.2537 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026
Call trace:
 dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3844 [inline]
 validate_chain kernel/locking/lockdep.c:3865 [inline]
 __lock_acquire+0x2618/0x7280 kernel/locking/lockdep.c:5171
 lock_acquire+0x210/0x63c kernel/locking/lockdep.c:5790
 seqcount_lockdep_reader_access include/linux/seqlock.h:102 [inline]
 read_seqbegin+0x60/0x158 include/linux/seqlock.h:893
 zone_span_seqbegin include/linux/memory_hotplug.h:132 [inline]
 page_outside_zone_boundaries mm/page_alloc.c:654 [inline]
 bad_range+0xa4/0x250 mm/page_alloc.c:681
 rmqueue mm/page_alloc.c:3917 [inline]
 get_page_from_freelist+0x1ffc/0x2174 mm/page_alloc.c:4355
 __alloc_pages+0x1d0/0x544 mm/page_alloc.c:5658
 alloc_pages+0x434/0x6fc mm/mempolicy.c:-1
 __pte_alloc_one include/asm-generic/pgalloc.h:63 [inline]
 pte_alloc_one+0x2c/0x254 include/asm-generic/pgalloc.h:85
 __pte_alloc+0x30/0xac mm/memory.c:468
 do_anonymous_page mm/memory.c:4157 [inline]
 handle_pte_fault mm/memory.c:5027 [inline]
 __handle_mm_fault mm/memory.c:5171 [inline]
 handle_mm_fault+0x25d8/0x3018 mm/memory.c:5292
 faultin_page mm/gup.c:1026 [inline]
 __get_user_pages+0x340/0x770 mm/gup.c:1250
 __get_user_pages_locked mm/gup.c:1454 [inline]
 get_user_pages_unlocked+0x1b4/0x62c mm/gup.c:2371
 __gup_longterm_unlocked mm/gup.c:2982 [inline]
 internal_get_user_pages_fast+0x1694/0x1a4c mm/gup.c:3072
 get_user_pages_fast+0x60/0x94 mm/gup.c:3164
 __iov_iter_get_pages_alloc+0x2e0/0x808 lib/iov_iter.c:1460
 iov_iter_get_pages2+0x74/0xbc lib/iov_iter.c:1503
 sk_msg_zerocopy_from_iter+0x1d0/0x6d0 net/core/skmsg.c:329
 tls_sw_sendmsg+0x6c4/0x14d4 net/tls/tls_sw.c:1111
 inet6_sendmsg+0xb4/0xd8 net/ipv6/af_inet6.c:668
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 __sys_sendto+0x324/0x440 net/socket.c:2153
 __do_sys_sendto net/socket.c:2165 [inline]
 __se_sys_sendto net/socket.c:2161 [inline]
 __arm64_sys_sendto+0xe4/0x104 net/socket.c:2161
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585