loop9: detected capacity change from 0 to 2048
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 11895 Comm: syz.9.1793 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call trace:
 dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 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:3735 [inline]
 validate_chain kernel/locking/lockdep.c:3756 [inline]
 __lock_acquire+0x1b30/0x651c kernel/locking/lockdep.c:5012
 lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0xb0/0x10c kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:363 [inline]
 purge_fragmented_blocks mm/vmalloc.c:1954 [inline]
 purge_fragmented_blocks_allcpus+0x2b0/0x81c mm/vmalloc.c:1981
 _vm_unmap_aliases+0x3f4/0x510 mm/vmalloc.c:2106
 vm_unmap_aliases+0x20/0x2c mm/vmalloc.c:2130
 change_memory_common+0x374/0x4a8 arch/arm64/mm/pageattr.c:111
 set_memory_ro+0x30/0x40 arch/arm64/mm/pageattr.c:118
 bpf_jit_binary_lock_ro+0x7c/0xdc include/linux/filter.h:899
 bpf_int_jit_compile+0x620/0xa44 arch/arm64/net/bpf_jit_comp.c:1122
 bpf_prog_select_runtime+0x634/0x8fc kernel/bpf/core.c:1934
 bpf_migrate_filter net/core/filter.c:1307 [inline]
 bpf_prepare_filter+0xd58/0xeb4 net/core/filter.c:1355
 bpf_prog_create_from_user+0x2f0/0x490 net/core/filter.c:1449
 seccomp_prepare_filter kernel/seccomp.c:669 [inline]
 seccomp_prepare_user_filter kernel/seccomp.c:706 [inline]
 seccomp_set_mode_filter kernel/seccomp.c:1834 [inline]
 do_seccomp+0x9b8/0x15cc kernel/seccomp.c:1954
 __do_sys_seccomp kernel/seccomp.c:1973 [inline]
 __se_sys_seccomp kernel/seccomp.c:1970 [inline]
 __arm64_sys_seccomp+0x7c/0x90 kernel/seccomp.c:1970
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584